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    <div align="center"><big> <b><big><br>
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    <div align="center"><big><b><big>Welcome to the 2021 Spring talks of
            ODTU-Bilkent Algebraic Geometry Seminars</big></b></big><b><br>
      </b><b> </b><b> </b></div>
    <b> </b>
    <div align="center"><i>since 2000</i><br>
      <b> </b> </div>
    <div align="center"><b> </b><b> </b><b><b>=================================================================</b>
      </b><br>
      <b> </b><br>
      This week the <a
        href="http://www.bilkent.edu.tr/%7Esertoz/agseminar.htm"
        target="_blank" moz-do-not-send="true">ODTU-Bilkent Algebraic
        Geometry Seminar</a>  is <b>Online.</b>    <br>
      <br>
      <i><font color="#ff00ff">This talk will begin at <u><b>15:40</b></u><u>
            (GMT+3)</u></font></i><br>
      <br>
      <b>=================================================================</b></div>
    <div align="center"><br>
      <br>
      <div align="center"><b><img
            src="cid:part2.F91528B1.4AFA2DCE@bilkent.edu.tr" alt=""
            class="" width="471" height="357"> </b><font size="-1"><i> </i></font></div>
      <div align="center"><font size="-1"><i>Fikret Muallâ (1903-1967)<br>
            Üstünel Collection<br>
          </i></font></div>
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        <b><b><font color="#ff0000">Speaker: <font color="#000000">Özhan
                Çelik</font></font></b><br>
          <span lang="tr"></span><b><font color="#ff0000">Affiliation: <font
                color="#000000">Jagiellonian<br>
              </font></font></b></b></div>
    </div>
    <div align="left"><b><b><font color="#ff0000"><br>
            Title:<font color="#000000"> Instanton Bundles on P1xF1</font><br>
          </font></b></b></div>
    <div align="left"><b><b><font color="#ff0000">Abstract:</font></b></b><font
        color="#ff0000"><font color="#000000"> A μ-stable vector bundle
          E of rank 2 with c1(E)=0 on P3 is called mathematical
          instanton bundle if H1(P3,E(−2))=0. In this talk, we will
          study the definiton of mathematical instanton bundles on Fano
          3-folds and the construction of them on P1×F1 where F1 is the
          del Pezzo surface of degree 8. This talk is based on the joint
          work with Vincenzo Antonelli and Gianfranco Casnati.<br>
          <br>
        </font></font></div>
    <div align="left"><font color="#ff0000"><font color="#000000"><b><font
              color="#ff0000">Date:<font color="#000000"> 2 April 2021</font></font></b>,
          Friday</font></font><br>
    </div>
    <div align="left"><font color="#ff0000"><font color="#000000"><b> <font
              color="#ff0000">Time: </font>15:40</b> (GMT+3) <br>
          <b><font color="#ff0000">Place: </font></b><font
            color="#ff0000"><font color="#000000"><b>Zoom</b></font></font></font></font></div>
    <div align="left"><font color="#ff0000"><font color="#000000"><font
            color="#ff0000"><font color="#000000"><b><br>
              </b></font></font></font></font></div>
    <blockquote>
      <p><font color="#ff0000"><font color="#000000"><font
              color="#ff0000"><font color="#000000"><b><b style="color:
                    rgb(51, 51, 51); font-family: arial, verdana,
                    sans-serif; font-size: 14px; font-style: normal;
                    font-variant-ligatures: normal; font-variant-caps:
                    normal; letter-spacing: normal; orphans: 2;
                    text-align: start; text-indent: 0px; text-transform:
                    none; white-space: normal; widows: 2; word-spacing:
                    0px; -webkit-text-stroke-width: 0px;
                    background-color: rgb(255, 255, 255);
                    text-decoration-style: initial;
                    text-decoration-color: initial;">One day before the
                    seminar, an announcement with the Zoom link will be
                    sent to those who registered with Sertöz. <br>
                  </b></b></font></font></font></font></p>
      <p><font color="#ff0000"><font color="#000000"><font
              color="#ff0000"><font color="#000000"><b><b style="color:
                    rgb(51, 51, 51); font-family: arial, verdana,
                    sans-serif; font-size: 14px; font-style: normal;
                    font-variant-ligatures: normal; font-variant-caps:
                    normal; letter-spacing: normal; orphans: 2;
                    text-align: start; text-indent: 0px; text-transform:
                    none; white-space: normal; widows: 2; word-spacing:
                    0px; -webkit-text-stroke-width: 0px;
                    background-color: rgb(255, 255, 255);
                    text-decoration-style: initial;
                    text-decoration-color: initial;">If you have
                    registered before for one of the previous talks,
                    there is no need to register again; you will
                    automatically receive a link for this talk too.<br>
                  </b></b></font></font></font></font></p>
      <p><font color="#ff0000"><font color="#000000"><font
              color="#ff0000"><font color="#000000"><b><b style="color:
                    rgb(51, 51, 51); font-family: arial, verdana,
                    sans-serif; font-size: 14px; font-style: normal;
                    font-variant-ligatures: normal; font-variant-caps:
                    normal; letter-spacing: normal; orphans: 2;
                    text-align: start; text-indent: 0px; text-transform:
                    none; white-space: normal; widows: 2; word-spacing:
                    0px; -webkit-text-stroke-width: 0px;
                    background-color: rgb(255, 255, 255);
                    text-decoration-style: initial;
                    text-decoration-color: initial;">If you have not
                    registered before, please contact him at<span> <a
                        moz-do-not-send="true"
href="mailto:sertoz@bilkent.edu.tr?subject=Zoom%20Seminar%20Address%20Request">sertoz@bilkent.edu.tr</a></span>.</b></b></font></font></font></font></p>
    </blockquote>
    <p><font color="#ff0000"><font color="#000000"><font color="#ff0000"><font
              color="#000000"><b> </b></font></font></font></font></p>
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    <div align="left">Please bring your own tea and cookies and 
      self-serve at the convenience of your own home! 😁<span
        class="moz-smiley-s1"><span></span></span></div>
    <div align="left"><br>
    </div>
    <div align="left">You are most cordially invited to attend.</div>
    <div align="left"><br>
    </div>
    <div align="left">Ali Sinan Sertöz<br>
      <font color="#ff0000"><font color="#000000"><b><font
              color="#ff0000"> </font></b></font></font></div>
    <div align="left"><font color="#ff0000"><font color="#000000"><br>
        </font></font></div>
    <pre class="moz-signature" signature-switch-id="07ffc569-c388-4f65-9311-87f39bd235fa" cols="72">---------------------------------------------------------------------------- 
Ali Sinan Sertoz
Bilkent University, Department of Mathematics, 06800 Ankara, Turkey
Office: (90)-(312) - 290 1490
Department: (90)-(312) - 266 4377
Fax: (90)-(312) - 290 1797
e-mail: <a class="moz-txt-link-abbreviated" href="mailto:sertoz@bilkent.edu.tr" moz-do-not-send="true">sertoz@bilkent.edu.tr</a> 
Web: sertoz.bilkent.edu.tr 
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