
<html><head>

<meta http-equiv="Content-Type" content="text/html; charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class="">皆さま，<div class=""><br class=""></div><div class="">下記のセミナーの案内をさせていただきます．</div><div class="">奮ってご参加ください．</div><div class=""><br class=""></div><div class="">中央大学・理工学部</div><div class="">芥川和雄</div><div class=""><br class=""></div><div class=""><br class=""><blockquote type="cite" class=""><div class="" style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;"><div class=""><div class="">%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%<br class=""><div class=""><br class=""></div><div class="">中央大学・幾何トポロジーセミナー</div><div class=""><div class="page" title="Page 1"><div class="layoutArea"><div class="column"><p class=""><span class="" style="font-size: 12pt; font-family: IPAexMincho;">日程: </span><span class="" style="font-size: 12pt; font-family: CMR12;">2023 </span><span class="" style="font-size: 12pt; font-family: IPAexMincho;">年 </span><span class="" style="font-size: 12pt; font-family: CMR12;">8 </span><span class="" style="font-size: 12pt; font-family: IPAexMincho;">月 </span><span class="" style="font-size: 12pt; font-family: CMR12;">25</span><span class="" style="font-size: 12pt; font-family: IPAexMincho;">日 </span><span class="" style="font-size: 12pt; font-family: CMR12;">(</span><span class="" style="font-size: 12pt;"><font face="IPAexMincho" class="">金</font></span><span class="" style="font-size: 12pt; font-family: CMR12;">) </span><span class="" style="font-size: 12pt; font-family: IPAexMincho;"></span><span class="" style="font-size: 12pt; font-family: CMR12;">17:00–18:00 </span><span class="" style="font-size: 12pt; font-family: IPAexMincho;">場所: 後楽園キャンパス </span><span class="" style="font-size: 12pt; font-family: CMR12;">6 </span><span class="" style="font-size: 12pt; font-family: IPAexMincho;">号館 </span><span class="" style="font-size: 12pt; font-family: CMR12;">12 </span><span class="" style="font-size: 12pt; font-family: IPAexMincho;">階 </span><span class="" style="font-size: 12pt; font-family: CMR12;">61225 </span><span class="" style="font-size: 12pt; font-family: IPAexMincho;">室</span></p><p class=""><span class="" style="font-size: 12pt; font-family: IPAexMincho;">講演者: Boris Vertman</span><span class="" style="font-size: 12pt; font-family: CMR12;"> </span><span class="" style="font-size: 12pt; font-family: IPAexMincho;">氏 </span><span class="" style="font-size: 12pt; font-family: CMR12;">(</span><span class="" style="font-family: "Nunito Sans", "Segoe UI Light", sans-serif, "Open Sans", "Calibri Light", Calibri, Verdana; font-size: 15px; background-color: rgb(242, 242, 242);">Universität Oldenburg, Germany)</span><span class="" style="font-size: 12pt; font-family: CMR12;"><br class=""></span><span class="" style="font-size: 12pt; font-family: IPAexMincho;">題目: </span><span class="" style="font-family: Calibri, Helvetica, sans-serif; font-size: 12pt;">Ricci flow and Perelman entropy functionals for manifolds with conical singularities</span><span class="" style="font-family: CMR12; font-size: 12pt;"> </span></p><p class=""><span class="" style="font-size: 12pt; font-family: IPAexMincho;">アブストラクト: </span><span class="" style="font-family: Calibri, Helvetica, sans-serif; font-size: 12pt;">We discuss Ricci flow in the setting of manifolds with conical singularities and introduce various Perelman entropies in this singular setting. </span><span class="" style="font-family: Calibri, Helvetica, sans-serif; font-size: 12pt;">We show how they are used to study properties of Ricci solitons and end the talk with some open questions. </span><span class="" style="font-family: CMR12; font-size: 12pt;"> </span></p></div></div></div></div></div></div></div></blockquote><div class=""><div class="" style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;"><div class=""><div class=""><div class=""><div class="page" title="Page 1"><div class="layoutArea"><div class="column"><p class=""><br class=""></p></div></div></div></div></div></div></div></div></div></body></html>