CINXE.COM

<!DOCTYPE html> <html lang="en-CA"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no"> <link rel="profile" href="http://gmpg.org/xfn/11"> <title>arXiv blog – Page 3 – News from arXiv.org</title> <meta name='robots' content='max-image-preview:large' /> <style>img:is([sizes="auto" i], [sizes^="auto," i]) { contain-intrinsic-size: 3000px 1500px }</style> <link rel="alternate" type="application/rss+xml" title="arXiv blog » Feed" href="https://blog.arxiv.org/feed/" /> <link rel="alternate" type="application/rss+xml" title="arXiv blog » Comments Feed" href="https://blog.arxiv.org/comments/feed/" /> <script type="text/javascript"> /* <![CDATA[ */ window._wpemojiSettings = {"baseUrl":"https:\/\/s.w.org\/images\/core\/emoji\/15.0.3\/72x72\/","ext":".png","svgUrl":"https:\/\/s.w.org\/images\/core\/emoji\/15.0.3\/svg\/","svgExt":".svg","source":{"concatemoji":"https:\/\/blogs.cornell.edu\/arxiv\/wp-includes\/js\/wp-emoji-release.min.js?ver=6.7.2"}}; /*! This file is auto-generated */ !function(i,n){var o,s,e;function c(e){try{var t={supportTests:e,timestamp:(new Date).valueOf()};sessionStorage.setItem(o,JSON.stringify(t))}catch(e){}}function p(e,t,n){e.clearRect(0,0,e.canvas.width,e.canvas.height),e.fillText(t,0,0);var t=new Uint32Array(e.getImageData(0,0,e.canvas.width,e.canvas.height).data),r=(e.clearRect(0,0,e.canvas.width,e.canvas.height),e.fillText(n,0,0),new Uint32Array(e.getImageData(0,0,e.canvas.width,e.canvas.height).data));return t.every(function(e,t){return e===r[t]})}function u(e,t,n){switch(t){case"flag":return n(e,"\ud83c\udff3\ufe0f\u200d\u26a7\ufe0f","\ud83c\udff3\ufe0f\u200b\u26a7\ufe0f")?!1:!n(e,"\ud83c\uddfa\ud83c\uddf3","\ud83c\uddfa\u200b\ud83c\uddf3")&&!n(e,"\ud83c\udff4\udb40\udc67\udb40\udc62\udb40\udc65\udb40\udc6e\udb40\udc67\udb40\udc7f","\ud83c\udff4\u200b\udb40\udc67\u200b\udb40\udc62\u200b\udb40\udc65\u200b\udb40\udc6e\u200b\udb40\udc67\u200b\udb40\udc7f");case"emoji":return!n(e,"\ud83d\udc26\u200d\u2b1b","\ud83d\udc26\u200b\u2b1b")}return!1}function f(e,t,n){var r="undefined"!=typeof WorkerGlobalScope&&self instanceof WorkerGlobalScope?new OffscreenCanvas(300,150):i.createElement("canvas"),a=r.getContext("2d",{willReadFrequently:!0}),o=(a.textBaseline="top",a.font="600 32px Arial",{});return e.forEach(function(e){o[e]=t(a,e,n)}),o}function t(e){var t=i.createElement("script");t.src=e,t.defer=!0,i.head.appendChild(t)}"undefined"!=typeof Promise&&(o="wpEmojiSettingsSupports",s=["flag","emoji"],n.supports={everything:!0,everythingExceptFlag:!0},e=new Promise(function(e){i.addEventListener("DOMContentLoaded",e,{once:!0})}),new Promise(function(t){var n=function(){try{var e=JSON.parse(sessionStorage.getItem(o));if("object"==typeof e&&"number"==typeof e.timestamp&&(new Date).valueOf()<e.timestamp+604800&&"object"==typeof e.supportTests)return e.supportTests}catch(e){}return null}();if(!n){if("undefined"!=typeof Worker&&"undefined"!=typeof OffscreenCanvas&&"undefined"!=typeof URL&&URL.createObjectURL&&"undefined"!=typeof Blob)try{var e="postMessage("+f.toString()+"("+[JSON.stringify(s),u.toString(),p.toString()].join(",")+"));",r=new Blob([e],{type:"text/javascript"}),a=new Worker(URL.createObjectURL(r),{name:"wpTestEmojiSupports"});return void(a.onmessage=function(e){c(n=e.data),a.terminate(),t(n)})}catch(e){}c(n=f(s,u,p))}t(n)}).then(function(e){for(var t in e)n.supports[t]=e[t],n.supports.everything=n.supports.everything&&n.supports[t],"flag"!==t&&(n.supports.everythingExceptFlag=n.supports.everythingExceptFlag&&n.supports[t]);n.supports.everythingExceptFlag=n.supports.everythingExceptFlag&&!n.supports.flag,n.DOMReady=!1,n.readyCallback=function(){n.DOMReady=!0}}).then(function(){return e}).then(function(){var e;n.supports.everything||(n.readyCallback(),(e=n.source||{}).concatemoji?t(e.concatemoji):e.wpemoji&&e.twemoji&&(t(e.twemoji),t(e.wpemoji)))}))}((window,document),window._wpemojiSettings); /* ]]> */ </script> <link rel='stylesheet' id='dashicons-css' href='https://blog.arxiv.org/wp-includes/css/dashicons.min.css?ver=6.7.2' type='text/css' media='all' /> <link rel='stylesheet' id='admin-bar-css' href='https://blog.arxiv.org/wp-includes/css/admin-bar.min.css?ver=6.7.2' type='text/css' media='all' /> <style id='admin-bar-inline-css' type='text/css'> @media screen { html { margin-top: 32px !important; } } @media screen and ( max-width: 782px ) { html { margin-top: 46px !important; } } @media print { #wpadminbar { display:none; } } </style> <style id='wp-emoji-styles-inline-css' type='text/css'> img.wp-smiley, img.emoji { display: inline !important; border: none !important; box-shadow: none !important; height: 1em !important; width: 1em !important; margin: 0 0.07em !important; vertical-align: -0.1em !important; background: none !important; padding: 0 !important; } </style> <link rel='stylesheet' id='wp-block-library-css' href='https://blog.arxiv.org/wp-includes/css/dist/block-library/style.min.css?ver=6.7.2' type='text/css' media='all' /> <style id='safe-svg-svg-icon-style-inline-css' type='text/css'> .safe-svg-cover{text-align:center}.safe-svg-cover .safe-svg-inside{display:inline-block;max-width:100%}.safe-svg-cover svg{height:100%;max-height:100%;max-width:100%;width:100%} </style> <style id='classic-theme-styles-inline-css' type='text/css'> /*! This file is auto-generated */ .wp-block-button__link{color:#fff;background-color:#32373c;border-radius:9999px;box-shadow:none;text-decoration:none;padding:calc(.667em + 2px) calc(1.333em + 2px);font-size:1.125em}.wp-block-file__button{background:#32373c;color:#fff;text-decoration:none} </style> <style id='global-styles-inline-css' type='text/css'> :root{--wp--preset--aspect-ratio--square: 1;--wp--preset--aspect-ratio--4-3: 4/3;--wp--preset--aspect-ratio--3-4: 3/4;--wp--preset--aspect-ratio--3-2: 3/2;--wp--preset--aspect-ratio--2-3: 2/3;--wp--preset--aspect-ratio--16-9: 16/9;--wp--preset--aspect-ratio--9-16: 9/16;--wp--preset--color--black: #000;--wp--preset--color--cyan-bluish-gray: #abb8c3;--wp--preset--color--white: white;--wp--preset--color--pale-pink: #f78da7;--wp--preset--color--vivid-red: #cf2e2e;--wp--preset--color--luminous-vivid-orange: #ff6900;--wp--preset--color--luminous-vivid-amber: #fcb900;--wp--preset--color--light-green-cyan: #7bdcb5;--wp--preset--color--vivid-green-cyan: #00d084;--wp--preset--color--pale-cyan-blue: #8ed1fc;--wp--preset--color--vivid-cyan-blue: #0693e3;--wp--preset--color--vivid-purple: #9b51e0;--wp--preset--color--color-bg-alt: #f9f7f7;--wp--preset--color--color-boxes: #f9f7f7;--wp--preset--color--color-bg: #ffffff;--wp--preset--gradient--vivid-cyan-blue-to-vivid-purple: linear-gradient(135deg,rgba(6,147,227,1) 0%,rgb(155,81,224) 100%);--wp--preset--gradient--light-green-cyan-to-vivid-green-cyan: linear-gradient(135deg,rgb(122,220,180) 0%,rgb(0,208,130) 100%);--wp--preset--gradient--luminous-vivid-amber-to-luminous-vivid-orange: linear-gradient(135deg,rgba(252,185,0,1) 0%,rgba(255,105,0,1) 100%);--wp--preset--gradient--luminous-vivid-orange-to-vivid-red: linear-gradient(135deg,rgba(255,105,0,1) 0%,rgb(207,46,46) 100%);--wp--preset--gradient--very-light-gray-to-cyan-bluish-gray: linear-gradient(135deg,rgb(238,238,238) 0%,rgb(169,184,195) 100%);--wp--preset--gradient--cool-to-warm-spectrum: linear-gradient(135deg,rgb(74,234,220) 0%,rgb(151,120,209) 20%,rgb(207,42,186) 40%,rgb(238,44,130) 60%,rgb(251,105,98) 80%,rgb(254,248,76) 100%);--wp--preset--gradient--blush-light-purple: linear-gradient(135deg,rgb(255,206,236) 0%,rgb(152,150,240) 100%);--wp--preset--gradient--blush-bordeaux: linear-gradient(135deg,rgb(254,205,165) 0%,rgb(254,45,45) 50%,rgb(107,0,62) 100%);--wp--preset--gradient--luminous-dusk: linear-gradient(135deg,rgb(255,203,112) 0%,rgb(199,81,192) 50%,rgb(65,88,208) 100%);--wp--preset--gradient--pale-ocean: linear-gradient(135deg,rgb(255,245,203) 0%,rgb(182,227,212) 50%,rgb(51,167,181) 100%);--wp--preset--gradient--electric-grass: linear-gradient(135deg,rgb(202,248,128) 0%,rgb(113,206,126) 100%);--wp--preset--gradient--midnight: linear-gradient(135deg,rgb(2,3,129) 0%,rgb(40,116,252) 100%);--wp--preset--font-size--small: 13px;--wp--preset--font-size--medium: 20px;--wp--preset--font-size--large: 36px;--wp--preset--font-size--x-large: 42px;--wp--preset--font-size--larger: 48px;--wp--preset--spacing--20: 0.44rem;--wp--preset--spacing--30: 0.67rem;--wp--preset--spacing--40: 1rem;--wp--preset--spacing--50: 1.5rem;--wp--preset--spacing--60: 2.25rem;--wp--preset--spacing--70: 3.38rem;--wp--preset--spacing--80: 5.06rem;--wp--preset--shadow--natural: 6px 6px 9px rgba(0, 0, 0, 0.2);--wp--preset--shadow--deep: 12px 12px 50px rgba(0, 0, 0, 0.4);--wp--preset--shadow--sharp: 6px 6px 0px rgba(0, 0, 0, 0.2);--wp--preset--shadow--outlined: 6px 6px 0px -3px rgba(255, 255, 255, 1), 6px 6px rgba(0, 0, 0, 1);--wp--preset--shadow--crisp: 6px 6px 0px rgba(0, 0, 0, 1);}:where(.is-layout-flex){gap: 0.5em;}:where(.is-layout-grid){gap: 0.5em;}body .is-layout-flex{display: flex;}.is-layout-flex{flex-wrap: wrap;align-items: center;}.is-layout-flex > :is(*, div){margin: 0;}body .is-layout-grid{display: grid;}.is-layout-grid > :is(*, div){margin: 0;}:where(.wp-block-columns.is-layout-flex){gap: 2em;}:where(.wp-block-columns.is-layout-grid){gap: 2em;}:where(.wp-block-post-template.is-layout-flex){gap: 1.25em;}:where(.wp-block-post-template.is-layout-grid){gap: 1.25em;}.has-black-color{color: var(--wp--preset--color--black) !important;}.has-cyan-bluish-gray-color{color: var(--wp--preset--color--cyan-bluish-gray) !important;}.has-white-color{color: var(--wp--preset--color--white) !important;}.has-pale-pink-color{color: var(--wp--preset--color--pale-pink) !important;}.has-vivid-red-color{color: var(--wp--preset--color--vivid-red) !important;}.has-luminous-vivid-orange-color{color: var(--wp--preset--color--luminous-vivid-orange) !important;}.has-luminous-vivid-amber-color{color: var(--wp--preset--color--luminous-vivid-amber) !important;}.has-light-green-cyan-color{color: var(--wp--preset--color--light-green-cyan) !important;}.has-vivid-green-cyan-color{color: var(--wp--preset--color--vivid-green-cyan) !important;}.has-pale-cyan-blue-color{color: var(--wp--preset--color--pale-cyan-blue) !important;}.has-vivid-cyan-blue-color{color: var(--wp--preset--color--vivid-cyan-blue) !important;}.has-vivid-purple-color{color: var(--wp--preset--color--vivid-purple) !important;}.has-black-background-color{background-color: var(--wp--preset--color--black) !important;}.has-cyan-bluish-gray-background-color{background-color: var(--wp--preset--color--cyan-bluish-gray) !important;}.has-white-background-color{background-color: var(--wp--preset--color--white) !important;}.has-pale-pink-background-color{background-color: var(--wp--preset--color--pale-pink) !important;}.has-vivid-red-background-color{background-color: var(--wp--preset--color--vivid-red) !important;}.has-luminous-vivid-orange-background-color{background-color: var(--wp--preset--color--luminous-vivid-orange) !important;}.has-luminous-vivid-amber-background-color{background-color: var(--wp--preset--color--luminous-vivid-amber) !important;}.has-light-green-cyan-background-color{background-color: var(--wp--preset--color--light-green-cyan) !important;}.has-vivid-green-cyan-background-color{background-color: var(--wp--preset--color--vivid-green-cyan) !important;}.has-pale-cyan-blue-background-color{background-color: var(--wp--preset--color--pale-cyan-blue) !important;}.has-vivid-cyan-blue-background-color{background-color: var(--wp--preset--color--vivid-cyan-blue) !important;}.has-vivid-purple-background-color{background-color: var(--wp--preset--color--vivid-purple) !important;}.has-black-border-color{border-color: var(--wp--preset--color--black) !important;}.has-cyan-bluish-gray-border-color{border-color: var(--wp--preset--color--cyan-bluish-gray) !important;}.has-white-border-color{border-color: var(--wp--preset--color--white) !important;}.has-pale-pink-border-color{border-color: var(--wp--preset--color--pale-pink) !important;}.has-vivid-red-border-color{border-color: var(--wp--preset--color--vivid-red) !important;}.has-luminous-vivid-orange-border-color{border-color: var(--wp--preset--color--luminous-vivid-orange) !important;}.has-luminous-vivid-amber-border-color{border-color: var(--wp--preset--color--luminous-vivid-amber) !important;}.has-light-green-cyan-border-color{border-color: var(--wp--preset--color--light-green-cyan) !important;}.has-vivid-green-cyan-border-color{border-color: var(--wp--preset--color--vivid-green-cyan) !important;}.has-pale-cyan-blue-border-color{border-color: var(--wp--preset--color--pale-cyan-blue) !important;}.has-vivid-cyan-blue-border-color{border-color: var(--wp--preset--color--vivid-cyan-blue) !important;}.has-vivid-purple-border-color{border-color: var(--wp--preset--color--vivid-purple) !important;}.has-vivid-cyan-blue-to-vivid-purple-gradient-background{background: var(--wp--preset--gradient--vivid-cyan-blue-to-vivid-purple) !important;}.has-light-green-cyan-to-vivid-green-cyan-gradient-background{background: var(--wp--preset--gradient--light-green-cyan-to-vivid-green-cyan) !important;}.has-luminous-vivid-amber-to-luminous-vivid-orange-gradient-background{background: var(--wp--preset--gradient--luminous-vivid-amber-to-luminous-vivid-orange) !important;}.has-luminous-vivid-orange-to-vivid-red-gradient-background{background: var(--wp--preset--gradient--luminous-vivid-orange-to-vivid-red) !important;}.has-very-light-gray-to-cyan-bluish-gray-gradient-background{background: var(--wp--preset--gradient--very-light-gray-to-cyan-bluish-gray) !important;}.has-cool-to-warm-spectrum-gradient-background{background: var(--wp--preset--gradient--cool-to-warm-spectrum) !important;}.has-blush-light-purple-gradient-background{background: var(--wp--preset--gradient--blush-light-purple) !important;}.has-blush-bordeaux-gradient-background{background: var(--wp--preset--gradient--blush-bordeaux) !important;}.has-luminous-dusk-gradient-background{background: var(--wp--preset--gradient--luminous-dusk) !important;}.has-pale-ocean-gradient-background{background: var(--wp--preset--gradient--pale-ocean) !important;}.has-electric-grass-gradient-background{background: var(--wp--preset--gradient--electric-grass) !important;}.has-midnight-gradient-background{background: var(--wp--preset--gradient--midnight) !important;}.has-small-font-size{font-size: var(--wp--preset--font-size--small) !important;}.has-medium-font-size{font-size: var(--wp--preset--font-size--medium) !important;}.has-large-font-size{font-size: var(--wp--preset--font-size--large) !important;}.has-x-large-font-size{font-size: var(--wp--preset--font-size--x-large) !important;} :where(.wp-block-post-template.is-layout-flex){gap: 1.25em;}:where(.wp-block-post-template.is-layout-grid){gap: 1.25em;} :where(.wp-block-columns.is-layout-flex){gap: 2em;}:where(.wp-block-columns.is-layout-grid){gap: 2em;} :root :where(.wp-block-pullquote){font-size: 1.5em;line-height: 1.6;} </style> <link rel='stylesheet' id='cpschool-styles-css' href='https://blog.arxiv.org/wp-content/themes/cpschool/css/theme.min.css?ver=0.9.10.1733816539' type='text/css' media='all' /> <link rel='stylesheet' id='aos-css' href='https://blog.arxiv.org/wp-content/themes/cpschool/css/aos.css?ver=0.9.10.1582726456' type='text/css' media='all' /> <script type="text/javascript" src="https://blog.arxiv.org/wp-includes/js/jquery/jquery.min.js?ver=3.7.1" id="jquery-core-js"></script> <script type="text/javascript" src="https://blog.arxiv.org/wp-includes/js/jquery/jquery-migrate.min.js?ver=3.4.1" id="jquery-migrate-js"></script> <link rel="https://api.w.org/" href="https://blog.arxiv.org/wp-json/" /><link rel="EditURI" type="application/rsd+xml" title="RSD" href="https://blog.arxiv.org/xmlrpc.php?rsd" /> <meta name="generator" content="arXiv blog 6.7.2 - https://blog.arxiv.org" /> <style> @media screen and (max-width: 782px) { #wpadminbar li#wp-admin-bar-log-in, #wpadminbar li#wp-admin-bar-register { display: block; } #wpadminbar li#wp-admin-bar-log-in a, #wpadminbar li#wp-admin-bar-register a { padding: 0 8px; } } </style> <style id="simpler-css-style" type="text/css"> h1 { line-height: 1.8; } h1, h2, h3, h4 { font-weight: 600; } p, article li { margin-left: 15px; font-size: 1em; } h3.widget-title { font-size: 1.4em; } .widget li { display: flex; } .widget li span.post-date { float: none; flex-shrink: 0; } .widget li a { flex-grow: 1; font-size: 1em; }</style> <script type="text/javascript"> var jQueryMigrateHelperHasSentDowngrade = false; window.onerror = function( msg, url, line, col, error ) { // Break out early, do not processing if a downgrade reqeust was already sent. if ( jQueryMigrateHelperHasSentDowngrade ) { return true; } var xhr = new XMLHttpRequest(); var nonce = 'b5741e3fef'; var jQueryFunctions = [ 'andSelf', 'browser', 'live', 'boxModel', 'support.boxModel', 'size', 'swap', 'clean', 'sub', ]; var match_pattern = /\)\.(.+?) is not a function/; var erroredFunction = msg.match( match_pattern ); // If there was no matching functions, do not try to downgrade. if ( null === erroredFunction || typeof erroredFunction !== 'object' || typeof erroredFunction[1] === "undefined" || -1 === jQueryFunctions.indexOf( erroredFunction[1] ) ) { return true; } // Set that we've now attempted a downgrade request. jQueryMigrateHelperHasSentDowngrade = true; xhr.open( 'POST', 'https://blog.arxiv.org/wp-admin/admin-ajax.php' ); xhr.setRequestHeader( 'Content-Type', 'application/x-www-form-urlencoded' ); xhr.onload = function () { var response, reload = false; if ( 200 === xhr.status ) { try { response = JSON.parse( xhr.response ); reload = response.data.reload; } catch ( e ) { reload = false; } } // Automatically reload the page if a deprecation caused an automatic downgrade, ensure visitors get the best possible experience. if ( reload ) { location.reload(); } }; xhr.send( encodeURI( 'action=jquery-migrate-downgrade-version&_wpnonce=' + nonce ) ); // Suppress error alerts in older browsers return true; } </script> <meta name="mobile-web-app-capable" content="yes"> <meta name="apple-mobile-web-app-capable" content="yes"> <meta name="apple-mobile-web-app-title" content="arXiv blog - News from arXiv.org">  <script async src="https://www.googletagmanager.com/gtag/js?id=G-PVFQG5SSG0&l=beehiveDataLayer"></script> <script> window.beehiveDataLayer = window.beehiveDataLayer || []; function gaplusu() {beehiveDataLayer.push(arguments);} gaplusu('js', new Date()) gaplusu('config', 'G-PVFQG5SSG0', { 'anonymize_ip': false, 'allow_google_signals': false, }) </script> <style type="text/css"> /* <![CDATA[ */ img.latex { vertical-align: middle; border: none; } /* ]]> */ </style> <link rel="icon" href="https://blog.arxiv.org/files/2023/03/favicon.png" sizes="32x32" /> <link rel="icon" href="https://blog.arxiv.org/files/2023/03/favicon.png" sizes="192x192" /> <link rel="apple-touch-icon" href="https://blog.arxiv.org/files/2023/03/favicon.png" /> <meta name="msapplication-TileImage" content="https://blog.arxiv.org/files/2023/03/favicon.png" /> <style id="kirki-inline-styles">.container{max-width:1140px;}:root{--site-width:1140px;--content-width:1140px;--body-font-size:100;--roundness:3px;--shadows:4px;--color-bg:#ffffff;--color-bg-alt:#f9f7f7;--color-bg-contrast:#000000;--color-bg-accent:#1f5e96;--color-bg-accent-a:rgba(31,94,150,0.5);--color-bg-accent-contrast:#ffffff;--color-bg-accent-hl:#0d63a9;--color-bg-accent-hl-a:rgba(13,99,169,0.5);--color-bg-accent-hl-contrast:#ffffff;--color-bg-alt-contrast:#000000;--color-bg-alt-accent:#645e53;--color-bg-alt-accent-a:rgba(100,94,83,0.5);--color-bg-alt-accent-contrast:#ffffff;--color-bg-alt-accent-hl:#0c60a6;--color-bg-alt-accent-hl-a:rgba(12,96,166,0.5);--color-bg-alt-accent-hl-contrast:#ffffff;--color-boxes:#f9f7f7;--color-boxes-contrast:#000000;--color-boxes-accent:#1f5e96;--color-boxes-accent-a:rgba(31,94,150,0.5);--color-boxes-accent-contrast:#ffffff;--color-boxes-accent-hl:#0c60a6;--color-boxes-accent-hl-a:rgba(12,96,166,0.5);--color-boxes-accent-hl-contrast:#ffffff;--header-main-height:110.688px;--header-main-logo-image-width:138px;--header-main-gap-height:0px;--header-main-padding-v:40;--header-main-font-size:100;--header-secondary-font-size:100;--header-secondary-padding-v:0;--hero-main-img-opacity:0.1;--hero-main-header-main-opacity:1;--headers-font-size:86;}body{font-family:public_sans;}#navbar-main .nav{font-family:inherit;}.h1,.h2,.h3,.h4,.h5,.h6,h1,h2,h3,h4,h5,h6{font-family:inherit;}</style></head> <body class="home blog paged admin-bar no-customize-support wp-custom-logo wp-embed-responsive paged-3 animations-enabled h-style-separator h-style-separator-bottom h-style-separator-hl sidebars-check-sticky group-blog has-sidebar hfeed entries-list"> <div id="wpadminbar" class="nojq nojs"> <div class="quicklinks" id="wp-toolbar" role="navigation" aria-label="Toolbar"> <ul role='menu' id='wp-admin-bar-top-secondary' class="ab-top-secondary ab-top-menu"><li role='group' id='wp-admin-bar-log-in'><a class='ab-item' role="menuitem" href='https://blogs.cornell.edu/arxiv/wp-login.php'>Log In</a></li><li role='group' id='wp-admin-bar-search' class="admin-bar-search"><div class="ab-item ab-empty-item" tabindex="-1" role="menuitem"><form action="https://blog.arxiv.org/" method="get" id="adminbarsearch"><input class="adminbar-input" name="s" id="adminbar-search" type="text" value="" maxlength="150" /><label for="adminbar-search" class="screen-reader-text">Search</label><input type="submit" class="adminbar-button" value="Search" /></form></div></li></ul> </div> </div> <div class="site" id="page"> <a class="skip-link sr-only sr-only-focusable" href="#content">Skip to content</a> <div id="wrapper-navbar-main-top" ></div> <div id="wrapper-navbar-main" class="wrapper-navbar" itemscope itemtype="http://schema.org/WebSite"> <nav id="navbar-main" class="navbar navbar-expand-md nav-styling-underline has-background has-header-main-bg-color-background-color" aria-label="main"> <div class="navbar-container container">  <div class="navbar-brand-holder"> <a class="navbar-brand logo-font custom-bg-disabled" rel="home" href="https://arxiv.org" title="arXiv blog" itemprop="url"> <img width="1030" height="464" src="https://blog.arxiv.org/files/2021/02/arxiv-logo-1.png" class="img-fluid" alt="arXiv's logo" title="arxiv-logo" decoding="async" fetchpriority="high" srcset="https://blog.arxiv.org/files/2021/02/arxiv-logo-1.png 1030w, https://blog.arxiv.org/files/2021/02/arxiv-logo-1-300x135.png 300w, https://blog.arxiv.org/files/2021/02/arxiv-logo-1-1024x461.png 1024w, https://blog.arxiv.org/files/2021/02/arxiv-logo-1-768x346.png 768w" sizes="(max-width: 1030px) 100vw, 1030px" /> </a> </div>  <div class="navbar-navs-container"> <div id="navbar-main-nav-desktop" class="navbar-nav-container"><ul id="menu-main-desktop" class="nav navbar-nav"><li itemscope="itemscope" itemtype="https://www.schema.org/SiteNavigationElement" id="menu-item-menu-main-desktop-9" class="menu-item menu-item-type-custom menu-item-object-custom menu-item-9 nav-item"><a class="nav-link" title="Blog Home" href="https://blogs.cornell.edu/arxiv/"><span class="menu-item-text">Blog Home</span></a></li> <li itemscope="itemscope" itemtype="https://www.schema.org/SiteNavigationElement" id="menu-item-menu-main-desktop-10" class="menu-item menu-item-type-custom menu-item-object-custom menu-item-10 nav-item"><a class="nav-link" title="arXiv Home" target="_blank" rel="noopener noreferrer" href="https://arxiv.org/"><span class="menu-item-text">arXiv Home</span></a></li> <li itemscope="itemscope" itemtype="https://www.schema.org/SiteNavigationElement" id="menu-item-menu-main-desktop-11" class="menu-item menu-item-type-custom menu-item-object-custom menu-item-11 nav-item"><a class="nav-link" title="About" target="_blank" rel="noopener noreferrer" href="https://info.arxiv.org/"><span class="menu-item-text">About</span></a></li> </ul></div> <div id="navbar-main-nav-buttons"> <ul class="nav navbar-nav navbar-button-nav-right"> <li id="navbar-main-btn-search" > <button type="button" class="btn btn-secondary nav-link has-styling" data-toggle="modal" data-target="#modal-search"> <i aria-hidden="true" class="cps-icon cps-icon-search"></i> <span aria-hidden="true" class="d-none">Search</span> <span class="sr-only">Toggle search interface</span> </button> </li> <li id="navbar-main-btn-slide-in-menu" class="btn-modal-slide-in-menu-holder has-mobile"> <button type="button" class="btn btn-secondary nav-link has-styling" data-toggle="modal" data-target="#modal-slide-in-menu"> <i aria-hidden="true" class="cps-icon cps-icon-menu"></i> <span aria-hidden="true" class="d-none">Menu</span> <span class="sr-only">Toggle extended navigation</span> </button> </li> </ul> </div> </div> </div> </nav> </div> <div class="main-wrapper wrapper" id="index-wrapper"> <div class="container" id="content"> <div class="row">  <div class="col-md-8 col-xl-9 content-area" id="primary"> <main class="site-main" id="main"> <div class="entries-row row image-on-top"> <div class="entry-col col-12"> <article class="post-1529 post type-post status-publish format-standard hentry category-about-arxiv category-arxiv-development category-arxiv-updates category-arxivlabs" id="post-1529"> <header class="entry-header"> <h2 class="entry-title"><a href="https://blog.arxiv.org/2023/12/21/accessibility-update-arxiv-now-offers-papers-in-html-format/" rel="bookmark">Accessibility update: arXiv now offers papers in HTML format</a></h2> <div class="entry-meta"> <ul class="list-inline"> <li class="post-date list-inline-item"> <span class="sr-only">Publication date</span> <span class="meta-icon" aria-hidden="true"> <i class="cps-icon cps-icon-calendar"></i> </span> <span class="meta-text"> December 21, 2023 </span> </li> </ul> </div> </header> <div class="entry-content"> <p>arXiv’s goal is equitable access to scientific research for all – and to achieve this, we have been working to make research papers more accessible for arXiv users with disabilities. We are happy to announce that as of Monday, December 18th, arXiv is now generating an HTML formatted version of all papers submitted in TeX/LaTeX…<span class="cpschool-read-more-link-holder"><a class="btn btn-secondary cpschool-read-more-link" href="https://blog.arxiv.org/2023/12/21/accessibility-update-arxiv-now-offers-papers-in-html-format/">Continue Reading <span class="sr-only">Accessibility update: arXiv now offers papers in HTML format</span></a></span></p> </div> </article> </div> <div class="entry-col col-12"> <article class="post-1522 post type-post status-publish format-standard hentry category-arxiv-development category-arxiv-support category-arxiv-updates" id="post-1522"> <header class="entry-header"> <h2 class="entry-title"><a href="https://blog.arxiv.org/2023/12/18/faster-arxiv-with-fastly/" rel="bookmark">Faster arXiv with Fastly</a></h2> <div class="entry-meta"> <ul class="list-inline"> <li class="post-date list-inline-item"> <span class="sr-only">Publication date</span> <span class="meta-icon" aria-hidden="true"> <i class="cps-icon cps-icon-calendar"></i> </span> <span class="meta-text"> December 18, 2023 </span> </li> </ul> </div> </header> <div class="entry-content"> <p>A few weeks ago, the folks at https://fastly.com generously offered arXiv an in-kind donation of CDN services (see Content delivery network – Wikipedia). Yesterday, we turned it on for all content served from https://arxiv.org. That includes our home page, listings, abstracts, and papers — both PDF and HTML (more on that soon). Fastly uses around…<span class="cpschool-read-more-link-holder"><a class="btn btn-secondary cpschool-read-more-link" href="https://blog.arxiv.org/2023/12/18/faster-arxiv-with-fastly/">Continue Reading <span class="sr-only">Faster arXiv with Fastly</span></a></span></p> </div> </article> </div> <div class="entry-col col-12"> <article class="post-1515 post type-post status-publish format-standard hentry category-about-arxiv category-arxiv-support category-arxiv-updates" id="post-1515"> <header class="entry-header"> <h2 class="entry-title"><a href="https://blog.arxiv.org/2023/11/21/new-submission-holiday-delays/" rel="bookmark">Attention Authors: Temporary changes to announcement schedule due to end-of-year holidays</a></h2> <div class="entry-meta"> <ul class="list-inline"> <li class="post-date list-inline-item"> <span class="sr-only">Publication date</span> <span class="meta-icon" aria-hidden="true"> <i class="cps-icon cps-icon-calendar"></i> </span> <span class="meta-text"> November 21, 2023 </span> </li> </ul> </div> </header> <div class="entry-content"> <p>Planning a submission to arXiv in the next few weeks? The 2023 end-of-the-year holiday stretch will be temporarily impacting arXiv’s mailings, help desk, and announcement schedule. This temporary change only affects the announcement of new submissions; arXiv servers will otherwise remain in operation, existing papers will still be available to browse, and arXiv will be…<span class="cpschool-read-more-link-holder"><a class="btn btn-secondary cpschool-read-more-link" href="https://blog.arxiv.org/2023/11/21/new-submission-holiday-delays/">Continue Reading <span class="sr-only">Attention Authors: Temporary changes to announcement schedule due to end-of-year holidays</span></a></span></p> </div> </article> </div> <div class="entry-col col-12"> <article class="post-1512 post type-post status-publish format-standard hentry category-about-arxiv category-arxiv-repository-news category-arxiv-updates" id="post-1512"> <header class="entry-header"> <h2 class="entry-title"><a href="https://blog.arxiv.org/2023/11/03/arxiv-sets-new-record-for-monthly-submissions/" rel="bookmark">arXiv sets new record for monthly submissions</a></h2> <div class="entry-meta"> <ul class="list-inline"> <li class="post-date list-inline-item"> <span class="sr-only">Publication date</span> <span class="meta-icon" aria-hidden="true"> <i class="cps-icon cps-icon-calendar"></i> </span> <span class="meta-text"> November 3, 2023 </span> </li> </ul> </div> </header> <div class="entry-content"> <p>Since its founding in 1991, arXiv has been growing exponentially – and in October, we hit a new milestone! arXiv has tracked the number of new submissions we receive every month from our very first submission in August 1991, and we share our monthly submission data on our stats page (which houses lots of interesting…<span class="cpschool-read-more-link-holder"><a class="btn btn-secondary cpschool-read-more-link" href="https://blog.arxiv.org/2023/11/03/arxiv-sets-new-record-for-monthly-submissions/">Continue Reading <span class="sr-only">arXiv sets new record for monthly submissions</span></a></span></p> </div> </article> </div> <div class="entry-col col-12"> <article class="post-1509 post type-post status-publish format-standard hentry category-about-arxiv category-arxiv-development category-arxiv-fundraising" id="post-1509"> <header class="entry-header"> <h2 class="entry-title"><a href="https://blog.arxiv.org/2023/10/29/support-arxiv-openaccess/" rel="bookmark">Share your thoughts and support arXiv during Open Access Giving Week</a></h2> <div class="entry-meta"> <ul class="list-inline"> <li class="post-date list-inline-item"> <span class="sr-only">Publication date</span> <span class="meta-icon" aria-hidden="true"> <i class="cps-icon cps-icon-calendar"></i> </span> <span class="meta-text"> October 29, 2023 </span> </li> </ul> </div> </header> <div class="entry-content"> <p>International Open Access Week is drawing to a close – have you shown your support for #openaccess and arXiv yet? We believe that free access to knowledge is an essential human right. Open access infrastructures are cornerstones for equitable access to research and the advancement of science for the global good. While open access infrastructures,…<span class="cpschool-read-more-link-holder"><a class="btn btn-secondary cpschool-read-more-link" href="https://blog.arxiv.org/2023/10/29/support-arxiv-openaccess/">Continue Reading <span class="sr-only">Share your thoughts and support arXiv during Open Access Giving Week</span></a></span></p> </div> </article> </div> <div class="entry-col col-12"> <article class="post-1503 post type-post status-publish format-standard hentry category-about-arxiv category-arxiv-fundraising" id="post-1503"> <header class="entry-header"> <h2 class="entry-title"><a href="https://blog.arxiv.org/2023/10/20/arxiv-receives-10-million-in-gifts-and-grants-from-simons-foundation-and-national-science-foundation/" rel="bookmark">arXiv receives $10 million in gifts and grants from Simons Foundation and National Science Foundation</a></h2> <div class="entry-meta"> <ul class="list-inline"> <li class="post-date list-inline-item"> <span class="sr-only">Publication date</span> <span class="meta-icon" aria-hidden="true"> <i class="cps-icon cps-icon-calendar"></i> </span> <span class="meta-text"> October 20, 2023 </span> </li> </ul> </div> </header> <div class="entry-content"> <p>We are proud and grateful to announce that the Simons Foundation and the National Science Foundation (NSF) have generously dedicated a total of more than $10 million in gifts and grants, respectively, to the support of arXiv. Over 30 years since its founding, arXiv has grown exponentially – arxiv.org is now home to more than…<span class="cpschool-read-more-link-holder"><a class="btn btn-secondary cpschool-read-more-link" href="https://blog.arxiv.org/2023/10/20/arxiv-receives-10-million-in-gifts-and-grants-from-simons-foundation-and-national-science-foundation/">Continue Reading <span class="sr-only">arXiv receives $10 million in gifts and grants from Simons Foundation and National Science Foundation</span></a></span></p> </div> </article> </div> <div class="entry-col col-12"> <article class="post-1501 post type-post status-publish format-standard hentry category-about-arxiv category-arxiv-events category-arxiv-updates" id="post-1501"> <header class="entry-header"> <h2 class="entry-title"><a href="https://blog.arxiv.org/2023/10/18/open-access-week-with-arxiv/" rel="bookmark">Save the Date: October 24th! Open Access Webinar with arXiv</a></h2> <div class="entry-meta"> <ul class="list-inline"> <li class="post-date list-inline-item"> <span class="sr-only">Publication date</span> <span class="meta-icon" aria-hidden="true"> <i class="cps-icon cps-icon-calendar"></i> </span> <span class="meta-text"> October 18, 2023 </span> </li> </ul> </div> </header> <div class="entry-content"> <p>Open Access Week is almost here – join arXiv in discussing the importance of open access science, the changing digital landscape, and what robust and sustainable open access infrastructures mean for researchers and the global community. On Tuesday, October 24th, 2023 at 1PM (EDT) arXiv will be hosting a virtual panel to talk about arXiv’s…<span class="cpschool-read-more-link-holder"><a class="btn btn-secondary cpschool-read-more-link" href="https://blog.arxiv.org/2023/10/18/open-access-week-with-arxiv/">Continue Reading <span class="sr-only">Save the Date: October 24th! Open Access Webinar with arXiv</span></a></span></p> </div> </article> </div> <div class="entry-col col-12"> <article class="post-1497 post type-post status-publish format-standard hentry category-arxiv-jobs" id="post-1497"> <header class="entry-header"> <h2 class="entry-title"><a href="https://blog.arxiv.org/2023/10/13/were-hiring-production-editor/" rel="bookmark">We’re hiring! Production Editor</a></h2> <div class="entry-meta"> <ul class="list-inline"> <li class="post-date list-inline-item"> <span class="sr-only">Publication date</span> <span class="meta-icon" aria-hidden="true"> <i class="cps-icon cps-icon-calendar"></i> </span> <span class="meta-text"> October 13, 2023 </span> </li> </ul> </div> </header> <div class="entry-content"> <p>Join arXiv! We’re searching for a Production Editor to add to our team of open access enthusiasts. The production editor reports to the Head of Content and User Support and is part of a fast-paced team. arXiv receives over 15,000 submissions each month, which amounts to 700 – 1,500 papers processed per day. The production…<span class="cpschool-read-more-link-holder"><a class="btn btn-secondary cpschool-read-more-link" href="https://blog.arxiv.org/2023/10/13/were-hiring-production-editor/">Continue Reading <span class="sr-only">We’re hiring! Production Editor</span></a></span></p> </div> </article> </div> <div class="entry-col col-12"> <article class="post-1494 post type-post status-publish format-standard hentry category-arxiv-development category-arxiv-updates" id="post-1494"> <header class="entry-header"> <h2 class="entry-title"><a href="https://blog.arxiv.org/2023/10/10/recent-service-interruption-on-arxiv/" rel="bookmark">Recent service interruption on arXiv</a></h2> <div class="entry-meta"> <ul class="list-inline"> <li class="post-date list-inline-item"> <span class="sr-only">Publication date</span> <span class="meta-icon" aria-hidden="true"> <i class="cps-icon cps-icon-calendar"></i> </span> <span class="meta-text"> October 10, 2023 </span> </li> </ul> </div> </header> <div class="entry-content"> <p>Authors and readers on arXiv may have noticed some interruptions to arXiv service over the weekend and Monday night. We have recently been running tests related to shifting the infrastructure arXiv uses to serve articles. These tests resulted in unexpected glitches that caused some newly announced PDFs to be temporarily unavailable. We have terminated the…<span class="cpschool-read-more-link-holder"><a class="btn btn-secondary cpschool-read-more-link" href="https://blog.arxiv.org/2023/10/10/recent-service-interruption-on-arxiv/">Continue Reading <span class="sr-only">Recent service interruption on arXiv</span></a></span></p> </div> </article> </div> <div class="entry-col col-12"> <article class="post-1483 post type-post status-publish format-standard hentry category-arxiv-development category-arxiv-updates" id="post-1483"> <header class="entry-header"> <h2 class="entry-title"><a href="https://blog.arxiv.org/2023/09/11/arxiv-org-is-experiencing-a-ddos-attack/" rel="bookmark">arXiv.org is experiencing a DDOS attack</a></h2> <div class="entry-meta"> <ul class="list-inline"> <li class="post-date list-inline-item"> <span class="sr-only">Publication date</span> <span class="meta-icon" aria-hidden="true"> <i class="cps-icon cps-icon-calendar"></i> </span> <span class="meta-text"> September 11, 2023 </span> </li> </ul> </div> </header> <div class="entry-content"> <p>arXiv users may be experiencing email disruption due to a DDOS attack. Over the past few days, a small number of users issued over a million email change requests. These requests originated from over 200 IP addresses – almost all owned by an ISP for a particular province in China. The confirmation emails for this…<span class="cpschool-read-more-link-holder"><a class="btn btn-secondary cpschool-read-more-link" href="https://blog.arxiv.org/2023/09/11/arxiv-org-is-experiencing-a-ddos-attack/">Continue Reading <span class="sr-only">arXiv.org is experiencing a DDOS attack</span></a></span></p> </div> </article> </div> </div> </main>  <nav aria-label="Posts pagination"> <ul class="pagination"> <li class="page-item"> <a class="prev page-link" href="https://blog.arxiv.org/page/2/"><span class="sr-only">Previous page</span><span aria-hidden="true">«</span></a> </li> <li class="page-item"> <a class="page-link" href="https://blog.arxiv.org/"><span class="sr-only">Page</span>1</a> </li> <li class="page-item"> <a class="page-link" href="https://blog.arxiv.org/page/2/"><span class="sr-only">Page</span>2</a> </li> <li class="page-item active"> <span aria-current="page" class="page-link current"><span class="sr-only">Page</span>3</span> </li> <li class="page-item"> <a class="page-link" href="https://blog.arxiv.org/page/4/"><span class="sr-only">Page</span>4</a> </li> <li class="page-item"> <a class="page-link" href="https://blog.arxiv.org/page/5/"><span class="sr-only">Page</span>5</a> </li> <li class="page-item"> <span class="page-link dots">…</span> </li> <li class="page-item"> <a class="page-link" href="https://blog.arxiv.org/page/21/"><span class="sr-only">Page</span>21</a> </li> <li class="page-item"> <a class="next page-link" href="https://blog.arxiv.org/page/4/"><span class="sr-only">Next page</span><span aria-hidden="true">»</span></a> </li> </ul> </nav>  </div> <aside class="col-md-4 col-xl-3 widget-area sidebar-widget-area sidebar-widget-area-boxed" id="right-sidebar"> <div class="sidebar-widget-area-content"> <div id="search-3" class="sidebar-widget widget widget_search"> <form method="get" id="searchform" action="https://blog.arxiv.org/" role="search"> <label class="sr-only" for="searchform-s">Search</label> <div class="input-group"> <input class="field form-control" id="searchform-s" name="s" type="text" placeholder="Search..." value=""> <span class="input-group-append"> <button class="submit btn btn-primary" id="searchform-submit" type="submit"> <i aria-hidden="true" class="cps-icon cps-icon-search"></i> <span class="sr-only">Search Site</span> </button> </span> </div> </form> </div><div id="categories-5" class="sidebar-widget widget widget_categories"><h2 class="widget-title h h3">Categories</h2><form action="https://blog.arxiv.org" method="get"><label class="screen-reader-text" for="cat">Categories</label><select name='cat' id='cat' class='postform'> <option value='-1'>Select Category</option> <option class="level-0" value="600913">about arXiv</option> <option class="level-0" value="600934">arXiv accessibility</option> <option class="level-0" value="600909">arXiv development</option> <option class="level-0" value="600927">arXiv events</option> <option class="level-0" value="600929">arXiv fundraising</option> <option class="level-0" value="600910">arXiv jobs</option> <option class="level-0" value="600930">arXiv membership</option> <option class="level-0" value="600905">arXiv people</option> <option class="level-0" value="600914">arXiv repository news</option> <option class="level-0" value="600907">arXiv support</option> <option class="level-0" value="600917">arXiv updates</option> <option class="level-0" value="600918">arXiv UX</option> <option class="level-0" value="600906">arXiv-NG</option> <option class="level-0" value="600928">arXivLabs</option> <option class="level-0" value="600931">Governance</option> <option class="level-0" value="600915">Member Advisory Board</option> <option class="level-0" value="97520">moderation</option> <option class="level-0" value="600911">preprints</option> <option class="level-0" value="600916">Scientific Advisory Board</option> <option class="level-0" value="1">Uncategorized</option> </select> </form><script type="text/javascript"> /* <![CDATA[ */ (function() { var dropdown = document.getElementById( "cat" ); function onCatChange() { if ( dropdown.options[ dropdown.selectedIndex ].value > 0 ) { dropdown.parentNode.submit(); } } dropdown.onchange = onCatChange; })(); /* ]]> */ </script> </div> <div id="recent-posts-7" class="sidebar-widget widget widget_recent_entries"> <h2 class="widget-title h h3">Recent</h2> <ul> <li> <a href="https://blog.arxiv.org/2025/03/13/march-13th-is-arxivs-giving-day/">March 13th is Giving Day for arXiv</a> </li> <li> <a href="https://blog.arxiv.org/2025/01/21/were-hiring-user-support-specialist/">We’re Hiring! User Support Specialist</a> </li> <li> <a href="https://blog.arxiv.org/2025/01/16/attention-authors-temporary-change-to-announcement-schedule-due-to-mlk-jr-holiday-2/">Attention Authors: Temporary change to announcement schedule due to MLK Jr. Holiday</a> </li> <li> <a href="https://blog.arxiv.org/2024/12/17/attention-arxiv-users-arxiv-privacy-policy-updated/">Attention arXiv users: arXiv privacy policy updated</a> </li> </ul> </div><div id="search-3" class="sidebar-widget widget widget_search"> <form method="get" id="searchform" action="https://blog.arxiv.org/" role="search"> <label class="sr-only" for="searchform-s">Search</label> <div class="input-group"> <input class="field form-control" id="searchform-s" name="s" type="text" placeholder="Search..." value=""> <span class="input-group-append"> <button class="submit btn btn-primary" id="searchform-submit" type="submit"> <i aria-hidden="true" class="cps-icon cps-icon-search"></i> <span class="sr-only">Search Site</span> </button> </span> </div> </form> </div><div id="meta-2" class="sidebar-widget widget widget_meta"><h2 class="widget-title h h3">Subscribe</h2> <ul> <li><a href="https://blogs.cornell.edu/arxiv/wp-login.php">Log in</a></li> <li><a href="https://blog.arxiv.org/feed/" title="Syndicate this site using RSS 2.0">Entries <abbr title="Really Simple Syndication">RSS</abbr></a></li> <li><a href="https://blog.arxiv.org/comments/feed/" title="The latest comments to all posts in RSS">Comments <abbr title="Really Simple Syndication">RSS</abbr></a></li> <li><a href="http://blogs.cornell.edu/" title="Powered by CU Blog Service">CU Blog Service</a></li> </ul> </div><div id="categories-5" class="sidebar-widget widget widget_categories"><h2 class="widget-title h h3">Categories</h2><form action="https://blog.arxiv.org" method="get"><label class="screen-reader-text" for="categories-dropdown-5">Categories</label><select name='cat' id='categories-dropdown-5' class='postform'> <option value='-1'>Select Category</option> <option class="level-0" value="600913">about arXiv</option> <option class="level-0" value="600934">arXiv accessibility</option> <option class="level-0" value="600909">arXiv development</option> <option class="level-0" value="600927">arXiv events</option> <option class="level-0" value="600929">arXiv fundraising</option> <option class="level-0" value="600910">arXiv jobs</option> <option class="level-0" value="600930">arXiv membership</option> <option class="level-0" value="600905">arXiv people</option> <option class="level-0" value="600914">arXiv repository news</option> <option class="level-0" value="600907">arXiv support</option> <option class="level-0" value="600917">arXiv updates</option> <option class="level-0" value="600918">arXiv UX</option> <option class="level-0" value="600906">arXiv-NG</option> <option class="level-0" value="600928">arXivLabs</option> <option class="level-0" value="600931">Governance</option> <option class="level-0" value="600915">Member Advisory Board</option> <option class="level-0" value="97520">moderation</option> <option class="level-0" value="600911">preprints</option> <option class="level-0" value="600916">Scientific Advisory Board</option> <option class="level-0" value="1">Uncategorized</option> </select> </form><script type="text/javascript"> /* <![CDATA[ */ (function() { var dropdown = document.getElementById( "categories-dropdown-5" ); function onCatChange() { if ( dropdown.options[ dropdown.selectedIndex ].value > 0 ) { dropdown.parentNode.submit(); } } dropdown.onchange = onCatChange; })(); /* ]]> */ </script> </div><div id="search-4" class="sidebar-widget widget widget_search"> <form method="get" id="searchform" action="https://blog.arxiv.org/" role="search"> <label class="sr-only" for="searchform-s">Search</label> <div class="input-group"> <input class="field form-control" id="searchform-s" name="s" type="text" placeholder="Search..." value=""> <span class="input-group-append"> <button class="submit btn btn-primary" id="searchform-submit" type="submit"> <i aria-hidden="true" class="cps-icon cps-icon-search"></i> <span class="sr-only">Search Site</span> </button> </span> </div> </form> </div><div id="categories-3" class="sidebar-widget widget widget_categories"><h2 class="widget-title h h3">Categories</h2> <ul> <li class="cat-item cat-item-600913"><a href="https://blog.arxiv.org/category/about-arxiv/">about arXiv</a> (52) </li> <li class="cat-item cat-item-600934"><a href="https://blog.arxiv.org/category/arxiv-accessibility/">arXiv accessibility</a> (1) </li> <li class="cat-item cat-item-600909"><a href="https://blog.arxiv.org/category/arxiv-development/">arXiv development</a> (35) </li> <li class="cat-item cat-item-600927"><a href="https://blog.arxiv.org/category/arxiv-events/">arXiv events</a> (15) </li> <li class="cat-item cat-item-600929"><a href="https://blog.arxiv.org/category/arxiv-fundraising/">arXiv fundraising</a> (17) </li> <li class="cat-item cat-item-600910"><a href="https://blog.arxiv.org/category/arxiv-jobs/">arXiv jobs</a> (18) </li> <li class="cat-item cat-item-600930"><a href="https://blog.arxiv.org/category/arxiv-membership/">arXiv membership</a> (6) </li> <li class="cat-item cat-item-600905"><a href="https://blog.arxiv.org/category/arxiv-people/">arXiv people</a> (17) </li> <li class="cat-item cat-item-600914"><a href="https://blog.arxiv.org/category/arxiv-repository-news/">arXiv repository news</a> (15) </li> <li class="cat-item cat-item-600907"><a href="https://blog.arxiv.org/category/arxiv-support/">arXiv support</a> (17) </li> <li class="cat-item cat-item-600917"><a href="https://blog.arxiv.org/category/arxiv-updates/">arXiv updates</a> (75) </li> <li class="cat-item cat-item-600918"><a href="https://blog.arxiv.org/tag/arxiv-ux/">arXiv UX</a> (1) </li> <li class="cat-item cat-item-600906"><a href="https://blog.arxiv.org/category/arxiv-ng/">arXiv-NG</a> (24) </li> <li class="cat-item cat-item-600928"><a href="https://blog.arxiv.org/category/arxivlabs/">arXivLabs</a> (16) </li> <li class="cat-item cat-item-600931"><a href="https://blog.arxiv.org/category/governance/">Governance</a> (1) </li> <li class="cat-item cat-item-600915"><a href="https://blog.arxiv.org/category/member-advisory-board/">Member Advisory Board</a> (2) </li> <li class="cat-item cat-item-97520"><a href="https://blog.arxiv.org/category/moderation/">moderation</a> (8) </li> <li class="cat-item cat-item-600911"><a href="https://blog.arxiv.org/category/preprints/">preprints</a> (7) </li> <li class="cat-item cat-item-600916"><a href="https://blog.arxiv.org/category/scientific-advisory-board/">Scientific Advisory Board</a> (3) </li> <li class="cat-item cat-item-1"><a href="https://blog.arxiv.org/category/uncategorized/">Uncategorized</a> (3) </li> </ul> </div> <div id="recent-posts-3" class="sidebar-widget widget widget_recent_entries"> <h2 class="widget-title h h3">Recent Posts</h2> <ul> <li> <a href="https://blog.arxiv.org/2025/03/13/march-13th-is-arxivs-giving-day/">March 13th is Giving Day for arXiv</a> <span class="post-date">March 13, 2025</span> </li> <li> <a href="https://blog.arxiv.org/2025/01/21/were-hiring-user-support-specialist/">We’re Hiring! User Support Specialist</a> <span class="post-date">January 21, 2025</span> </li> <li> <a href="https://blog.arxiv.org/2025/01/16/attention-authors-temporary-change-to-announcement-schedule-due-to-mlk-jr-holiday-2/">Attention Authors: Temporary change to announcement schedule due to MLK Jr. Holiday</a> <span class="post-date">January 16, 2025</span> </li> <li> <a href="https://blog.arxiv.org/2024/12/17/attention-arxiv-users-arxiv-privacy-policy-updated/">Attention arXiv users: arXiv privacy policy updated</a> <span class="post-date">December 17, 2024</span> </li> <li> <a href="https://blog.arxiv.org/2024/11/21/attention-authors-temporary-changes-to-announcement-schedule-due-to-end-of-year-holidays/">Attention Authors: Temporary changes to announcement schedule due to end-of-year holidays</a> <span class="post-date">November 21, 2024</span> </li> <li> <a href="https://blog.arxiv.org/2024/11/04/arxiv-sets-new-record-for-monthly-submissions-again/">arXiv sets new record for monthly submissions (again)!</a> <span class="post-date">November 4, 2024</span> </li> <li> <a href="https://blog.arxiv.org/2024/10/22/celebrate-open-access-week-with-arxiv/">Celebrate Open Access Week with arXiv!</a> <span class="post-date">October 22, 2024</span> </li> <li> <a href="https://blog.arxiv.org/2024/10/04/attention-authors-temporary-changes-to-announcement-schedule-due-to-staff-development/">Attention Authors: Temporary changes to announcement schedule due to staff development</a> <span class="post-date">October 4, 2024</span> </li> </ul> </div><div id="custom_html-2" class="widget_text sidebar-widget widget widget_custom_html"><h2 class="widget-title h h3">More arXiv…</h2><div class="textwidget custom-html-widget"><a href="https://arxiv.org/">arXiv.org</a> || <a href="https://twitter.com/arxiv">@arXiv</a> || <a href="https://blogs.cornell.edu/arxiv/feed">Blog RSS</a></div></div> </div> </aside> </div> </div> </div> <footer class="wrapper has-background has-footer-main-bg-color-background-color" id="wrapper-footer"> <div id="footer-content"> <div class="container" id="footer-site-info"> <div class="row"> <div class="col-md-12"> <div class="site-footer" id="colophon"> <div class="site-info"> All content © arXiv.org. Learn more <a href="https://info.arxiv.org/about/index.html" target="_blank">about arXiv</a>, or visit our <a href="https://info.arxiv.org/help/index.html" target="_blank">help pages</a>. </div> </div> </div> </div> </div> </div> <div id="footer-image-holder"> </div> </footer> </div> <div id="modal-slide-in-menu" class="modal fade modal-slide-in-right modal-full-height nav-styling-underline" tabindex="-1" role="dialog" aria-label="slide-in menu" aria-hidden="true"> <div class="modal-dialog" role="document"> <div class="modal-content has-background has-header-main-bg-color-background-color"> <div class="modal-header"> <button type="button" class="close" data-dismiss="modal"> <i aria-hidden="true" class="cps-icon cps-icon-close"></i> <span class="sr-only">close menu</span> </button> </div> <div class="modal-body"> <nav class="menu-mobile" aria-label="Mobile" role="navigation"> <div class="menu-top-menu-container"><ul id="menu-main-mobile" class="nav flex-column"><li itemscope="itemscope" itemtype="https://www.schema.org/SiteNavigationElement" class="menu-item menu-item-type-custom menu-item-object-custom menu-item-9 nav-item"><a class="nav-link" title="Blog Home" href="https://blogs.cornell.edu/arxiv/"><span class="menu-item-text">Blog Home</span></a></li> <li itemscope="itemscope" itemtype="https://www.schema.org/SiteNavigationElement" class="menu-item menu-item-type-custom menu-item-object-custom menu-item-10 nav-item"><a class="nav-link" title="arXiv Home" target="_blank" rel="noopener noreferrer" href="https://arxiv.org/"><span class="menu-item-text">arXiv Home</span></a></li> <li itemscope="itemscope" itemtype="https://www.schema.org/SiteNavigationElement" class="menu-item menu-item-type-custom menu-item-object-custom menu-item-11 nav-item"><a class="nav-link" title="About" target="_blank" rel="noopener noreferrer" href="https://info.arxiv.org/"><span class="menu-item-text">About</span></a></li> </ul></div> </nav> </div> </div> </div> </div> <div id="modal-search" class="modal fade modal-slide-in-top modal-close-inline modal-site-width modal-padding-lg" tabindex="-1" role="dialog" aria-label="search" aria-hidden="true"> <div class="modal-dialog site-width-max" role="document"> <div class="modal-content has-background has-header-main-bg-color-background-color"> <div class="modal-header pb-0"> <button type="button" class="close" data-dismiss="modal"> <i aria-hidden="true" class="cps-icon cps-icon-close"></i> <span class="sr-only">close search</span> </button> </div> <div class="modal-body"> <form method="get" id="searchform" action="https://blog.arxiv.org/" role="search"> <label class="sr-only" for="searchform-s">Search</label> <div class="input-group"> <input class="field form-control form-control-lg" id="searchform-s" name="s" type="text" placeholder="Search..." value=""> <span class="input-group-append"> <button class="submit btn btn-primary btn-lg" id="searchform-submit" type="submit"> <i aria-hidden="true" class="cps-icon cps-icon-search"></i> <span class="sr-only">Search Site</span> </button> </span> </div> </form> </div> </div> </div> </div> <div aria-hidden="true" role="dialog" tabindex="-1" aria-labelledby="sbe-follow-dialog-label" aria-describedby="sbe-follow-dialog-desc" id="sbe-follow" style="bottom:-1500px" class=""> <a aria-hidden="true" class="sbe-follow-link" href="#sbe-follow-wrap"><span>Subscribe</span></a> <div id="sbe-follow-wrap"> <button type="button" class="sbe-screen-reader-text sbe-follow-dialog-close-sr">Close</button> <h2 id="sbe-follow-dialog-label">Subscribe By Email</h2> <form action="" method="post" id="subscribe-by-email-button-form"> <p id="sbe-follow-dialog-desc">Get every new post delivered right to your inbox.</p> <p> <label class="sbe-screen-reader-text" for="sbe-follow-email">Your Email</label> <input type="email" name="email" id="sbe-follow-email" class="sbe-follow-email" placeholder="Your email" required/> <label aria-hidden="true" class="sbe-screen-reader-text" for="security-check">Leave this field blank</label> <input aria-hidden="true" type="text" class="screen-reader-text sbe-screen-reader-text" name="security-check" id="security-check" /> </p> <div class="sbe-recaptcha-holder"> <input name="g-recaptcha-response" type="hidden" class="g-recaptcha-response"> <p class="sbe-recaptcha-privacy"><small>This form is protected by reCAPTCHA and the Google <a href="https://policies.google.com/privacy" rel="nofollow">Privacy Policy</a> and <a href="https://policies.google.com/terms" rel="nofollow">Terms of Service</a> apply.</small></p> </div> <input type="hidden" name="sbe-blog-id" value="7752" /> <input type="hidden" name="action" value="sbe-subscribe" /> <input type="hidden" id="_wpnonce" name="_wpnonce" value="a1f9a729d6" /><input type="hidden" name="_wp_http_referer" value="/page/3/" /> <p><input type="submit" value="Subscribe me!" /></p> </form> </div> </div> <link rel='stylesheet' id='follow-button-styles-css' href='https://blog.arxiv.org/wp-content/plugins/subscribe-by-email/subscribe-by-email/assets//css/follow-button.css?ver=3' type='text/css' media='all' /> <script type="text/javascript" src="https://blog.arxiv.org/wp-includes/js/hoverintent-js.min.js?ver=2.2.1" id="hoverintent-js-js"></script> <script type="text/javascript" src="https://blog.arxiv.org/wp-includes/js/admin-bar.min.js?ver=6.7.2" id="admin-bar-js"></script> <script type="text/javascript" id="blog_templates_front-js-extra"> /* <![CDATA[ */ var blog_templates_params = {"type":"0"}; /* ]]> */ </script> <script type="text/javascript" src="https://blog.arxiv.org/wp-content/plugins/blogtemplates//blogtemplatesfiles/assets/js/front.js?ver=2.6.8.2" id="blog_templates_front-js"></script> <script type="text/javascript" src="https://blog.arxiv.org/wp-content/themes/cpschool/js/aos.js?ver=0.9.10.1582726456" id="aos-js"></script> <script type="text/javascript" id="cpschool-scripts-js-extra"> /* <![CDATA[ */ var cpSchoolData = {"parallaxHeader":"","animations":"1"}; /* ]]> */ </script> <script type="text/javascript" src="https://blog.arxiv.org/wp-content/themes/cpschool/js/theme.min.js?ver=0.9.10.1733816540" id="cpschool-scripts-js"></script> <script type="text/javascript" src="https://www.google.com/recaptcha/api.js?render=6LcAfaYUAAAAAAuAEkXUQOoRK5PTc_fhc8uKrSy5&ver=6.7.2" id="google-recaptcha-cp-v3-js"></script> <script type="text/javascript" id="follow-button-scripts-js-extra"> /* <![CDATA[ */ var sbe_button = {"recaptcha_v3_site_key":"6LcAfaYUAAAAAAuAEkXUQOoRK5PTc_fhc8uKrSy5"}; /* ]]> */ </script> <script type="text/javascript" src="https://blog.arxiv.org/wp-content/plugins/subscribe-by-email/subscribe-by-email/assets//js/follow-button.js?ver=4" id="follow-button-scripts-js"></script> </body> </html>