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Math. Phys.</a> <a href="/?q=in%3A467196" title="Articles in this Issue">386, No. 1, 253-268 (2021)</a>. </div> <div class="abstract">An initial data set \((M^n, g, K)\) is a Riemannian manifold \((M, g)\) equipped with the symmetric \((0, 2)\)-tensor \(K\). Initial data sets have had an important role in solving the Einstein constraint equations, in geometric measure theory and in mathematical physics. Several authors study the initial data sets [<span class="zbmathjax-textit">D. A. Lee</span>, Geometric relativity. Providence, RI: American Mathematical Society (AMS) (2019; <a href="/07124831">Zbl 07124831</a>); the third author, Trans. Am. Math. Soc., (8) 372, 5851–5868 (2019; <a href="/1439.53043">Zbl 1439.53043</a>); the second author, Gen. Relativity Gravit. (3) 50, Art. 32, 7 p. (2018; <a href="/1392.83005">Zbl 1392.83005</a>); <span class="zbmathjax-textit">E. Bryden</span> et al., J. Geom. Anal. 31, No. 4, 4191–4239 (2021; <a href="/1466.83022">Zbl 1466.83022</a>); <span class="zbmathjax-textit">E. Bryden</span>, Pac. J. Math., 305, 89–152 (2020; <a href="/1435.53033">Zbl 1435.53033</a>); the first author et al., J. Eur. Math. Soc. (JEMS) 18, No. 1, 83–121 (2016; <a href="/1341.53067">Zbl 1341.53067</a>)].<br class="zbmathjax-paragraph">The principal objective in this paper is to prove rigidity results for the spacetime positive mass theorem. The authors investigate the rigidity result for the marginally outer trapped surface in \(n\)-dimensional, \(3\leq n \leq 7\), compact-with-boundary initial data sets (Theorem 1.2, Theorem 1.3 and Corollary 1.4).<div class="reviewer"> Reviewer: <a href="/authors/?q=rv%3A18008">Lakehal Belarbi (Mostaganem)</a></div> <div class="clearfix"></div></div> <div class="clear"></div> <br> <div class="citations"><div class="clear"><a href="/?q=ci%3A7376274">Cited in <strong>1</strong> Review</a></div><div class="clear"><a href="/?q=rf%3A7376274">Cited in <strong>11</strong> Documents</a></div></div> <div class="classification"> <h3>MSC:</h3> <table><tr> <td> <a class="mono" href="/classification/?q=cc%3A53C20" title="MSC2020">53C20</a> </td> <td class="space"> Global Riemannian geometry, including pinching </td> </tr><tr> <td> <a class="mono" href="/classification/?q=cc%3A53B30" title="MSC2020">53B30</a> </td> <td class="space"> Local differential geometry of Lorentz metrics, indefinite metrics </td> </tr></table> </div><div class="keywords"> <h3>Keywords:</h3><a href="/?q=ut%3Apositive+mass+theorem">positive mass theorem</a>; <a href="/?q=ut%3Alocal+energy+density">local energy density</a>; <a href="/?q=ut%3Alocal+current+density">local current density</a>; <a href="/?q=ut%3AADM+energy-momentum+vector">ADM energy-momentum vector</a>; <a href="/?q=ut%3Adominant+energy+condition">dominant energy condition</a>; <a href="/?q=ut%3AMinkowski+space">Minkowski space</a></div><div class="keywords"> <h3>Citations:</h3><a href="/1439.53043">Zbl 1439.53043</a>; <a href="/1392.83005">Zbl 1392.83005</a>; <a href="/1466.83022">Zbl 1466.83022</a>; <a href="/1435.53033">Zbl 1435.53033</a>; <a href="/1341.53067">Zbl 1341.53067</a>; <a href="/07124831">Zbl 07124831</a></div> <!-- Modal used to show zbmath metadata in different output formats--> <div class="modal fade" id="metadataModal" tabindex="-1" role="dialog" aria-labelledby="myModalLabel"> <div class="modal-dialog" role="document"> <div class="modal-content"> <div class="modal-header"> <button type="button" class="close" data-dismiss="modal" aria-label="Close"><span aria-hidden="true">×</span></button> <h4 class="modal-title" id="myModalLabel">Cite</h4> </div> <div class="modal-body"> <div class="form-group"> <label for="select-output" class="control-label">Format</label> <select id="select-output" class="form-control" aria-label="Select Metadata format"></select> </div> <div class="form-group"> <label for="metadataText" class="control-label">Result</label> <textarea class="form-control" id="metadataText" rows="10" style="min-width: 100%;max-width: 100%"></textarea> </div> <div id="metadata-alert" class="alert alert-danger" role="alert" style="display: none;"> <!-- alert for connection errors etc --> </div> </div> <div class="modal-footer"> <button type="button" class="btn btn-primary" onclick="copyMetadata()">Copy to clipboard</button> <button type="button" class="btn btn-default" data-dismiss="modal">Close</button> </div> </div> </div> </div> <div class="functions clearfix"> <div class="function"> <!-- Button trigger metadata modal --> <a type="button" class="btn btn-default btn-xs pdf" data-toggle="modal" data-target="#metadataModal" data-itemtype="Zbl" data-itemname="Zbl 1481.53047" data-ciurl="/ci/07376274" data-biburl="/bibtex/07376274.bib" data-amsurl="/amsrefs/07376274.bib" data-xmlurl="/xml/07376274.xml" > Cite </a> <a class="btn btn-default btn-xs pdf" data-container="body" type="button" href="/pdf/07376274.pdf" title="Zbl 1481.53047 as PDF">Review PDF</a> </div> <div class="fulltexts"> <span class="fulltext">Full Text:</span> <a class="btn btn-default btn-xs" type="button" href="https://doi.org/10.1007/s00220-021-04033-x" aria-label="DOI for “Initial data rigidity results”" title="10.1007/s00220-021-04033-x">DOI</a> <a class="btn btn-default btn-xs" type="button" href="https://arxiv.org/abs/2009.09527"title="Note: arXiv document may differ from published version">arXiv</a> </div> <div class="sfx" style="float: right;"> <a href="https://creativecommons.org/licenses/by/4.0/" target="_blank" title="Open Access License" class="cc-license-link no-new-tab-icon"> <img src="https://static.zbmath.org/contrib/img/cc/svg/icons/cc.svg" alt="Creative Commons CC license icon" class="cc-license-icon"> <img src="https://static.zbmath.org/contrib/img/cc/svg/icons/by.svg" alt="Creative Commons BY license icon" class="cc-license-icon"> </a> </div> </div> <div class="references"> <h3>References:</h3> <table><tr> <td>[1]</td> <td class="space">Alaee, A., Lesourd, M., Yau, S.-T.: Stable Surfaces and Free Boundary Marginally Outer Trapped Surfaces (preprint). arXiv:2009.07933 (2020)</td> </tr><tr> <td>[2]</td> <td class="space">Andersson, L.; Cai, M-L; Galloway, GJ, Rigidity and positivity of mass for asymptotically hyperbolic manifolds, Ann. 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