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Paulson School of Engineering and Applied Sciences">  <script async src="https://www.googletagmanager.com/gtag/js?id=G-GMEVN96PYN&l=beehiveDataLayer"></script> <script> window.beehiveDataLayer = window.beehiveDataLayer || []; function gaplusu() {beehiveDataLayer.push(arguments);} gaplusu('js', new Date()) gaplusu('config', 'G-GMEVN96PYN', { 'anonymize_ip': false, 'allow_google_signals': false, }) </script> <style type="text/css"> /* <![CDATA[ */ img.latex { vertical-align: middle; border: none; } /* ]]> */ </style> <style type="text/css">#wp-admin-bar-abm-login{display:block!important}body .wp-video-shortcode video,body video.wp-video-shortcode{margin:0;padding:0;background:0 0;border:none;box-shadow:none;min-width:0;height:auto;min-height:0}.screen-reader-text:not(button){clip:rect(1px,1px,1px,1px);position:absolute!important;height:1px;width:1px;overflow:hidden}</style><style id="kirki-inline-styles">.logo-font{font-family:inter;}.container{max-width:1170px;}:root{--site-width:1170px;--content-width:1170px;--body-font-size:100;--roundness:3px;--shadows:4px;--color-bg:#ffffff;--color-bg-alt:#eeeeec;--color-bg-contrast:#000000;--color-bg-accent:#24639e;--color-bg-accent-a:rgba(36,99,158,0.5);--color-bg-accent-contrast:#ffffff;--color-bg-accent-hl:#24639e;--color-bg-accent-hl-a:rgba(36,99,158,0.5);--color-bg-accent-hl-contrast:#ffffff;--color-bg-alt-contrast:#000000;--color-bg-alt-accent:#205b92;--color-bg-alt-accent-a:rgba(32,91,146,0.5);--color-bg-alt-accent-contrast:#ffffff;--color-bg-alt-accent-hl:#205b92;--color-bg-alt-accent-hl-a:rgba(32,91,146,0.5);--color-bg-alt-accent-hl-contrast:#ffffff;--header-main-height:117.91px;--header-main-gap-height:0px;--header-main-padding-v:100;--header-main-logo-font-size:100;--header-main-font-size:100;--header-secondary-font-size:100;--header-secondary-padding-v:0;--hero-main-bg-color:#24639e;--hero-main-bg-color-contrast:#ffffff;--hero-main-bg-color-accent:#fafcfe;--hero-main-bg-color-accent-a:rgba(250,252,254,0.5);--hero-main-bg-color-accent-contrast:#000000;--hero-main-bg-color-accent-hl:#fafcfe;--hero-main-bg-color-accent-hl-a:rgba(250,252,254,0.5);--hero-main-bg-color-accent-hl-contrast:#000000;--hero-main-img-opacity:0.2;--hero-main-header-main-opacity:1;--headers-font-size:100;}body{font-family:inter;}#navbar-main .nav{font-family:inherit;}.h1,.h2,.h3,.h4,.h5,.h6,h1,h2,h3,h4,h5,h6{font-family:inter;}</style></head> <body class="home page-template-default page page-id-617 wp-embed-responsive h-style-separator-bottom sidebars-check-sticky singular main-wrapper-margin-top-disabled"> <div class="site" id="page"> <a class="skip-link sr-only sr-only-focusable" href="#content">Skip to content</a> <div id="branding_header"> <div class="branding-container clearfix container"> <div class="branding-left"> <a href="https://www.harvard.edu/"> <img src="https://madhu.seas.harvard.edu/wp-content/themes/harvard-flex/img/harvard-logo.svg" alt="Harvard University homepage" width="235" height="32"> </a> </div> <div class="branding-right"> <a href="https://www.harvard.edu/">HARVARD.EDU</a> </div> </div> </div> <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://madhu.seas.harvard.edu/" title="Madhu Sudan" itemprop="url"> <span class="navbar-brand-text">Madhu Sudan</span> </a> <a rel="home" href="https://madhu.seas.harvard.edu/" title="Madhu Sudan" class="navbar-brand-subtext"> Gordon McKay Professor of Computer Science Harvard John A. Paulson School of Engineering and Applied Sciences </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-3207" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-home current-menu-item page_item page-item-617 current_page_item active menu-item-3207 nav-item"><a class="nav-link" title="Home" href="https://madhu.seas.harvard.edu/"><span class="menu-item-text">Home</span></a></li> <li itemscope="itemscope" itemtype="https://www.schema.org/SiteNavigationElement" id="menu-item-menu-main-desktop-3204" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-3204 nav-item"><a class="nav-link" title="Teaching" href="https://madhu.seas.harvard.edu/teaching/"><span class="menu-item-text">Teaching</span></a></li> <li itemscope="itemscope" itemtype="https://www.schema.org/SiteNavigationElement" id="menu-item-menu-main-desktop-3213" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-3213 nav-item"><a class="nav-link" title="Students" href="https://madhu.seas.harvard.edu/students/"><span class="menu-item-text">Students</span></a></li> <li itemscope="itemscope" itemtype="https://www.schema.org/SiteNavigationElement" id="menu-item-menu-main-desktop-3209" class="menu-item menu-item-type-custom menu-item-object-custom menu-item-3209 nav-item"><a class="nav-link" title="Papers" href="https://sites.google.com/g.harvard.edu/madhu-sudans-papers"><span class="menu-item-text">Papers</span></a></li> <li itemscope="itemscope" itemtype="https://www.schema.org/SiteNavigationElement" id="menu-item-menu-main-desktop-3203" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-3203 nav-item"><a class="nav-link" title="Talks" href="https://madhu.seas.harvard.edu/talks/"><span class="menu-item-text">Talks</span></a></li> <li itemscope="itemscope" itemtype="https://www.schema.org/SiteNavigationElement" id="menu-item-menu-main-desktop-3214" class="menu-item menu-item-type-custom menu-item-object-custom menu-item-has-children dropdown menu-item-3214 nav-item"><a class="dropdown-toggle nav-link" title="Bio" href="#" id="menu-item-dropdown-menu-main-desktop-3214" data-toggle="dropdown" aria-expanded="false" role="button"><span class="menu-item-text">Bio</span></a> <ul id="menu-item-dropdown-menu-main-desktop-3214-dropdown" class="dropdown-menu" aria-labelledby="menu-item-dropdown-menu-main-desktop-3214"> <li itemscope="itemscope" itemtype="https://www.schema.org/SiteNavigationElement" id="menu-item-menu-main-desktop-3215" class="menu-item menu-item-type-custom menu-item-object-custom menu-item-3215 nav-item"><a class="dropdown-item" title="Short CV" href="https://madhu.seas.harvard.edu/short-cv.pdf"><span class="menu-item-text">Short CV</span></a></li> <li itemscope="itemscope" itemtype="https://www.schema.org/SiteNavigationElement" id="menu-item-menu-main-desktop-3216" class="menu-item menu-item-type-custom menu-item-object-custom menu-item-3216 nav-item"><a class="dropdown-item" title="Long CV" href="https://madhu.seas.harvard.edu/long-cv.pdf"><span class="menu-item-text">Long CV</span></a></li> </ul> </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="page-wrapper"> <div class="container" id="content"> <div class="row">  <div class="col-md-12 col-xl-12 content-area" id="primary"> <main class="site-main" id="main"> <article class="post-617 page type-page status-publish hentry" id="post-617"> <div class="entry-content"> <p class="has-text-align-left is-style-info">I am a Professor of Computer Science at Harvard. My research is in the theories of computation and communication. I am very interested in understanding the many ways in which communication or computation can go wrong (i.e., have errors), and how to correct all such errors.</p> <p class="has-text-align-left is-style-success"><strong>My Bulletin Board</strong>:<br> • I am co-teaching <a href="https://docs.google.com/spreadsheets/d/1mfTIqq0wuuGXudPWy8cbPrNvrFwrS14BIP-1ds6oR8U/">Data Structures and Algorithms (CS1240)</a> with <a href="https://sitanchen.com/">Sitan Chen</a> in Spring 2025. <br> • I am running a <a href="http://behnezhad.com/gs/">Reading Group on Graph Simplification</a> at MIT with <a href="http://behnezhad.com/">Soheil Behnezhad</a> and <a href="https://people.csail.mit.edu/ronitt/">Ronitt Rubinfeld</a> in Spring 2025. <br> • I am the Director of Graduate Studies for Computer Science at Harvard. Here’s a <a href="https://docs.google.com/document/d/1va4BEfNEblyuYRU6uxkpL_86vqFFq9283V_qa9T9bII/edit">FAQ</a>.<br> • My open office hours for Spring 2025 are on Friday mornings. See <a href="https://calendar.google.com/calendar/embed?src=c_a5589123dc5b2469fbb52160d158f1abf48e0bc3ec1e1c36e74f6606b6e4cb13%40group.calendar.google.com&ctz=America%2FNew_York">this</a> calendar for week-by-week availability. See <a href="https://docs.google.com/spreadsheets/d/1mfTIqq0wuuGXudPWy8cbPrNvrFwrS14BIP-1ds6oR8U/">1240 site</a> for 1240 OH.</p> <p></p> <p></p> <div class="wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9 wp-block-columns-is-layout-flex"> <div class="wp-block-column is-layout-flow wp-block-column-is-layout-flow" style="flex-basis:33.33%"><div class="wp-block-image"> <figure class="aligncenter size-large is-resized"><img decoding="async" src="https://sites.harvard.edu/ux-seas/files/2024/08/img-sudan-683x1024.jpg" alt="Madhu Sudan" class="wp-image-783" style="width:200px"/></figure></div> <h2 class="wp-block-heading has-custom-weight" style="font-weight:bold;font-size:24px">Madhu Sudan</h2> <h3 class="wp-block-heading" style="font-size:16px">Gordon McKay Professor of Computer Science Harvard John A. Poulson School of Engineering and Applied Sciences</h3> <p>Member of <a href="http://toc.seas.harvard.edu/">Theory of Computation Group</a></p> <p>Some TOC pointers :</p> <ul class="wp-block-list"> <li><a href="http://toc.seas.harvard.edu/events-seminars">Theory of Computing Seminars</a></li> </ul> <p>Address:<br>Harvard SEC #3.434,<br>150 Western Ave,<br>Boston, MA 02134.<br>madhu at cs dot harvard dot edu</p> </div> <div class="wp-block-column is-layout-flow wp-block-column-is-layout-flow" style="flex-basis:66.66%"> <div class="wp-block-columns is-layout-flex wp-container-core-columns-is-layout-1 wp-block-columns-is-layout-flex"> <div class="wp-block-column is-layout-flow wp-block-column-is-layout-flow" style="flex-basis:33.33%"> <h3 class="wp-block-heading has-custom-weight" style="font-weight:bold;font-size:20px">Research interests</h3> </div> <div class="wp-block-column is-layout-flow wp-block-column-is-layout-flow" style="flex-basis:66.66%"> <p>Communication & Computing, Coding theory, Property Testing, Algebra in Computation. </p> </div> </div> <div class="wp-block-columns is-layout-flex wp-container-core-columns-is-layout-2 wp-block-columns-is-layout-flex"> <div class="wp-block-column is-layout-flow wp-block-column-is-layout-flow" style="flex-basis:33.33%"> <h3 class="wp-block-heading has-custom-weight" style="font-weight:bold;font-size:20px">Teaching</h3> </div> <div class="wp-block-column is-layout-flow wp-block-column-is-layout-flow" style="flex-basis:66.66%"> <p>I am co-teaching <a href="https://docs.google.com/spreadsheets/d/1mfTIqq0wuuGXudPWy8cbPrNvrFwrS14BIP-1ds6oR8U/">Data Structures and Algorithms (CS 1240)</a> in Spring 2025. Here are <a href="https://madhu.seas.harvard.edu/teaching/">courses I’ve taught previously</a>.</p> </div> </div> <div class="wp-block-columns is-layout-flex wp-container-core-columns-is-layout-3 wp-block-columns-is-layout-flex"> <div class="wp-block-column is-layout-flow wp-block-column-is-layout-flow" style="flex-basis:33.33%"> <h3 class="wp-block-heading has-custom-weight" style="font-weight:bold;font-size:20px">Books/Monographs</h3> </div> <div class="wp-block-column is-layout-flow wp-block-column-is-layout-flow" style="flex-basis:66.66%"> <ul class="wp-block-list"> <li><a href="http://www.springer.com/gp/book/9783540606154">Efficient checking of polynomials …</a>, (Ph.D. Thesis)</li> <li><a href="https://epubs.siam.org/doi/book/10.1137/1.9780898718546">Complexity Classification of Boolean Constraint Satisfaction Problems</a> (with Nadia Creignou and Sanjeev Khanna)</li> <li><a href="https://cse.buffalo.edu/faculty/atri/courses/coding-theory/book/">Essential Coding Theory</a> (with Venkatesan Guruswami and Atri Rudra)</li> </ul> </div> </div> <div class="wp-block-columns is-layout-flex wp-container-core-columns-is-layout-4 wp-block-columns-is-layout-flex"> <div class="wp-block-column is-layout-flow wp-block-column-is-layout-flow" style="flex-basis:33.33%"> <h3 class="wp-block-heading has-custom-weight" style="font-weight:bold;font-size:20px">Course notes</h3> </div> <div class="wp-block-column is-layout-flow wp-block-column-is-layout-flow" style="flex-basis:66.66%"> <ul class="wp-block-list"> <li><a href="https://madhu.seas.harvard.edu/courses-fall1998/">Algebra and Computation</a></li> <li><a href="https://madhu.seas.harvard.edu/courses-fall1999/">Approximability of Optimization Problems</a></li> <li><a href="https://madhu.seas.harvard.edu/courses-coding/">Coding theory</a></li> <li><a href="https://madhu.seas.harvard.edu/courses-pcp/">PCP</a></li> </ul> </div> </div> <div class="wp-block-columns is-layout-flex wp-container-core-columns-is-layout-5 wp-block-columns-is-layout-flex"> <div class="wp-block-column is-layout-flow wp-block-column-is-layout-flow" style="flex-basis:33.33%"> <h3 class="wp-block-heading has-custom-weight" style="font-weight:bold;font-size:20px">Other online stuff</h3> </div> <div class="wp-block-column is-layout-flow wp-block-column-is-layout-flow" style="flex-basis:66.66%"> <ul class="wp-block-list"> <li><a href="https://madhu.seas.harvard.edu/papers/">Papers</a></li> <li><a href="https://madhu.seas.harvard.edu/talks/">Talks</a></li> </ul> </div> </div> <div class="wp-block-columns is-layout-flex wp-container-core-columns-is-layout-6 wp-block-columns-is-layout-flex"> <div class="wp-block-column is-layout-flow wp-block-column-is-layout-flow" style="flex-basis:33.33%"> <h3 class="wp-block-heading has-custom-weight" style="font-weight:bold;font-size:20px">Professional activities</h3> </div> <div class="wp-block-column is-layout-flow wp-block-column-is-layout-flow" style="flex-basis:66.66%"> <ul class="wp-block-list"> <li><a href="http://www.nowpublishers.com/tcs">Foundations and Trends in Theoretical Computer Science</a> (Founding Editor)</li> <li><a href="http://theoryofcomputing.org/">Theory of Computing</a> (Editor)</li> <li><a href="http://www.eccc.uni-trier.de/eccc/">Electronic Colloquium on Computational Complexity</a> (Scientific Committee)</li> <li><a href="https://starkware.co/">Starkware</a> (Scientific Advisor)</li> </ul> </div> </div> <div class="wp-block-columns is-layout-flex wp-container-core-columns-is-layout-7 wp-block-columns-is-layout-flex"> <div class="wp-block-column is-layout-flow wp-block-column-is-layout-flow" style="flex-basis:33.33%"> <h3 class="wp-block-heading has-custom-weight" style="font-weight:bold;font-size:24px">Students</h3> </div> <div class="wp-block-column is-layout-flow wp-block-column-is-layout-flow" style="flex-basis:66.66%"> <div class="wp-block-coblocks-accordion"> <div class="wp-block-coblocks-accordion-item"><details><summary class="wp-block-coblocks-accordion-item__title">Current Students</summary><div class="wp-block-coblocks-accordion-item__content"> <ul class="wp-block-list"> <li><a href="https://people.math.harvard.edu/%7Ejkaufmann/index.html">Jenny Kaufmann</a> (co-advised with Virginia Williams)</li> <li><a href="https://sites.google.com/view/prashanth-amireddy">Prashanth Amireddy</a> (co-advised with Salil Vadhan)</li> <li><a href="https://cassmarcussen.github.io/">Cassandra Marcussen</a></li> <li><a href="https://www.louieputterman.com/">Aaron (Louie) Putterman</a> (co-advised with Salil Vadhan).</li> </ul> </div></details></div> <div class="wp-block-coblocks-accordion-item"><details><summary class="wp-block-coblocks-accordion-item__title">Former Students</summary><div class="wp-block-coblocks-accordion-item__content"> <ul class="wp-block-list"> <li><a href="http://www.cs.nyu.edu/%7Edodis">Yevgeniy Dodis</a> (2000)</li> <li><a href="https://people.eecs.berkeley.edu/%7Evenkatg/">Venkatesan Guruswami</a> (2001)</li> <li>Eric Lehman (2002)</li> <li><a href="http://www.cs.cmu.edu/%7Eodonnell/">Ryan O’Donnell</a> (2003)</li> <li><a href="http://www.math.ias.edu/%7Emisha">Misha Alekhnovich</a> (2003)</li> <li><a href="https://www.tcs.tifr.res.in/%7Eprahladh/">Prahladh Harsha</a> (2004)</li> <li><a href="https://cs-people.bu.edu/ads22/">Adam Smith</a> (2004)</li> <li><a href="http://theory.csail.mit.edu/%7Earasala">April Rasala Lehman</a> (2005)</li> <li><a href="http://research.microsoft.com/en-us/people/yekhanin/">Sergey Yekhanin</a> (2007)</li> <li><a href="http://people.csail.mit.edu/victor/">Victor Chen</a> (2009)</li> <li><a href="https://www.cs.purdue.edu/homes/egrigore/">Elena Grigorescu</a> (2010)</li> <li><a href="https://www.cse.wustl.edu/%7Ebjuba/">Brendan Juba</a> (2010)</li> <li><a href="https://www.math.toronto.edu/swastik/">Swastik Kopparty</a> (2010)</li> <li><a href="https://users.cs.duke.edu/%7Ebr148/">Ben Rossman</a> (2010)</li> <li><a href="http://www.math.toronto.edu/ssaraf/">Shubhangi Saraf</a> (2011)</li> <li><a href="http://people.csail.mit.edu/aguo/">Alan Guo</a> (2015)</li> <li><a href="https://bavarian.dev/">Mohammad Bavarian</a> (2017)</li> <li><a href="http://people.csail.mit.edu/badih/">Badih Ghazi</a> (2018)</li> <li><a href="https://pritishkamath.github.io/">Pritish Kamath</a> (2019)</li> <li><a href="http://preetum.nakkiran.org/">Preetum Nakkiran</a> (2021)</li> <li><a href="https://mitalibafna.github.io/">Mitali Bafna</a> (2022)</li> <li><a href="https://sites.google.com/view/santhoshinivelusamy">Santhoshini Velusamy</a> (2023)</li> </ul> </div></details></div> <div class="wp-block-coblocks-accordion-item"><details><summary class="wp-block-coblocks-accordion-item__title">Postdocs</summary><div class="wp-block-coblocks-accordion-item__content"> <ul class="wp-block-list"> <li><a href="http://cs.stanford.edu/people/trevisan/">Luca Trevisan</a> (1997)</li> <li><a href="http://www.eecs.harvard.edu/%7Esalil">Salil Vadhan</a> (1998)</li> <li><a href="http://www.nada.kth.se/%7Eenge">Lars Engebretsen</a> (2000)</li> <li><a href="http://www.cs.technion.ac.il/%7Eeli/">Eli Ben-Sasson</a> (2001-2003)</li> <li><a href="http://www.cs.technion.ac.il/%7Eshpilka/">Amir Shpilka</a> (2002)</li> <li><a href="http://ttic.uchicago.edu/%7Ecjulia/">Julia Chuzhoy</a> (2004-2006)</li> <li>Tali Kaufman (2007-2009)</li> <li><a href="http://people.csail.mit.edu/jakobn/">Jakob Nordström</a> (2008-2010)</li> <li><a href="https://sites.google.com/site/eladharamaty/">Elad Haramaty</a> (2016-2017)</li> <li><a href="https://mrinalkr.bitbucket.io/">Mrinal Kumar</a> (2017-2018)</li> <li><a href="https://www.cs.princeton.edu/%7Ehy2/">Huacheng Yu</a> (2017-2019)</li> <li><a href="http://math.mit.edu/%7Eomrib/">Omri Ben-Eliezer</a> (2020-2021)</li> <li><a href="https://shahrasbi.github.io/">Amirbehshad Shahrasbi</a> (2020-2021)</li> <li><a href="https://sites.google.com/view/sumegha-garg/home">Sumegha Garg</a> (2020-2022)</li> </ul> </div></details></div> </div> </div> </div> <div class="wp-block-columns is-layout-flex wp-container-core-columns-is-layout-8 wp-block-columns-is-layout-flex"> <div class="wp-block-column is-layout-flow wp-block-column-is-layout-flow" style="flex-basis:33.33%"> <h3 class="wp-block-heading"><strong>CV+Bio</strong></h3> </div> <div class="wp-block-column is-layout-flow wp-block-column-is-layout-flow" style="flex-basis:66.66%"> <ul class="wp-block-list"> <li><a href="https://madhu.seas.harvard.edu/bio/">Bio</a></li> <li><a href="https://madhu.seas.harvard.edu/files/2025/01/short-cv.pdf">Short CV</a></li> <li><a href="https://madhu.seas.harvard.edu/files/2025/01/long-cv.pdf">Long CV</a></li> </ul> </div> </div> </div> </div> <style> /* Custom CSS only for this web page for Madhu Sudan */ /* Main content - top margin */ div#content { margin-top: 3em; } /* Smaller width of left column 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