<div dir="ltr"><div class="gmail-gs" style="margin:0px;padding:0px 0px 20px;width:1290.67px;font-family:Roboto,RobotoDraft,Helvetica,Arial,sans-serif;font-size:medium"><div class="gmail-"><div id="gmail-:136" class="gmail-ii gmail-gt" style="font-size:0.875rem;direction:ltr;margin:8px 0px 0px;padding:0px"><div id="gmail-:135" class="gmail-a3s gmail-aiL" style="overflow:hidden;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:small;line-height:1.5;font-family:Arial,Helvetica,sans-serif"><div dir="ltr">Merhabalar,<div><br></div><div>17.03.2021 tarihinde saat 13.15 te Koç Üniversitesinden Dr. Rıza Seçkin Adalı başlık ve özeti </div><div>aşağıda verilen bir konuşma yapacaktır. Seminer Zoom programı üzerinden online yapılacaktır. </div><div>Katılmak isteyenlerin katılım bilgilerini alabilmeleri için "<a href="mailto:huseyinuysal@istanbul.edu.tr" target="_blank">huseyinuysal@istanbul.edu.tr</a> " adresine</div><div>mail atmaları gerekmektedir.<span style="font-family:tahoma,sans-serif"> </span></div><div><br></div><div><span style="font-family:tahoma,sans-serif"><br class="gmail-Apple-interchange-newline">------------------------------</span><span style="font-family:tahoma,sans-serif">------------------------------</span> <br></div><div><div><div style="color:rgb(0,0,0)"><b>Başlık:</b>Singularities of Restriction Varieties in OG(k,n)<br><br><b>Özet: </b> Restriction varieties in the orthogonal Grassmannian are subvarieties of OG(k, n) defined</div><div style="color:rgb(0,0,0)">by rank conditions given by a flag that is not necessarily isotropic with respect to the relevant </div><div style="color:rgb(0,0,0)">symmetric bilinear form. In particular orthogonal Schubert varieties are examples of restriction varieties.</div><div style="color:rgb(0,0,0)">In this talk, I will describe a resolution of singularities for restriction varieties which is inspired by the </div><div style="color:rgb(0,0,0)">Bott-Samelson/Zelevinsky resolution and describe their singular locus. I will also discuss the relation</div><div style="color:rgb(0,0,0)">between the singular locus and the image of the resolution of singularities.</div><div style="color:rgb(0,0,0)"><p class="MsoNormal" style="margin:0cm 0cm 0.0001pt;text-align:justify;line-height:normal;background-image:initial;background-position:initial;background-size:initial;background-repeat:initial;background-origin:initial;background-clip:initial;vertical-align:baseline;font-size:11pt;font-family:Calibri,sans-serif"><span style="font-size:11pt"> </span><br></p></div><div style="color:rgb(0,0,0)"><span style="color:rgb(34,34,34);font-family:tahoma,sans-serif">------------------------------</span><span style="color:rgb(34,34,34);font-family:tahoma,sans-serif">------------------------------</span><br>.</div><div></div><div style="color:rgb(0,0,0)"><br></div></div><div>İyi günler dileğiyle,</div><div><br></div><div>Temha</div></div></div><div class="gmail-yj6qo"></div><div class="gmail-adL"></div></div></div><div class="gmail-hi" style="border-bottom-left-radius:1px;border-bottom-right-radius:1px;padding:0px;width:auto;background:rgb(242,242,242);margin:0px"></div></div></div><br class="gmail-Apple-interchange-newline"></div>
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