<div dir="ltr"><div><font size="4" face="times new roman, serif"><span style="color:inherit;font-style:inherit;font-variant:inherit;font-weight:inherit;margin:0px;padding:0px;border:0px;font-stretch:inherit;line-height:normal;vertical-align:baseline">Sayın Liste Üyeleri,</span><span style="color:inherit;font-style:inherit;font-variant:inherit;font-weight:inherit;margin:0px;padding:0px;border:0px;font-stretch:inherit;line-height:normal;vertical-align:baseline"> </span></font></div><div><font size="4" face="times new roman, serif"><span style="color:inherit;font-style:inherit;font-variant:inherit;font-weight:inherit;margin:0px;padding:0px;border:0px;font-stretch:inherit;line-height:normal;vertical-align:baseline">1</span></font><font face="times new roman, serif" size="4" style="text-align:justify"><span style="color:inherit;margin:0px;padding:0px;border:0px;font-style:inherit;font-variant:inherit;font-weight:inherit;font-stretch:inherit;line-height:normal;vertical-align:baseline"> Nisan Cuma günü saat 17:00'da<span style="margin:0px;padding:0px;border:0px;font-style:inherit;font-variant:inherit;font-weight:inherit;font-stretch:inherit;line-height:inherit;vertical-align:baseline;color:inherit"> </span></span><span style="color:inherit;margin:0px;padding:0px;border:0px;font-style:inherit;font-variant:inherit;font-stretch:inherit;line-height:normal;vertical-align:baseline"><b> Dr. Burak Hatinoğlu  </b><span style="font-weight:inherit">(UCSC- Amerika Birleşik Devletleri</span></span><span style="color:inherit;margin:0px;padding:0px;border:0px;font-variant:inherit;font-weight:inherit;font-stretch:inherit;line-height:normal;vertical-align:baseline"><span style="font-style:inherit">) </span><span style="margin:0px;padding:0px;border:0px;font-variant:inherit;font-weight:inherit;font-stretch:inherit;line-height:inherit;vertical-align:baseline;color:inherit"><i>"</i></span></span></font><span style="text-align:justify">  </span><span style="color:inherit;font-variant:inherit;font-weight:inherit;margin:0px;padding:0px;border:0px;font-stretch:inherit;line-height:normal;vertical-align:baseline"><span style="color:rgb(32,31,30)"><i style=""><font size="4" face="times new roman, serif">A complex analytic approach to inverse spectral problems</font></i></span> <i style="font-size:large;font-family:"Times New Roman",Times,serif">”</i></span><font face="times new roman, serif" size="4" style="text-align:justify"><span style="font-variant:inherit;color:inherit;margin:0px;padding:0px;border:0px;font-stretch:inherit;line-height:normal;vertical-align:baseline"><i style="font-weight:inherit"> </i></span><span style="font-style:inherit;font-variant:inherit;font-weight:inherit;color:inherit;margin:0px;padding:0px;border:0px;font-stretch:inherit;line-height:normal;vertical-align:baseline">başlıklı bir seminer verecektir. Seminerin detayları aşağıda olup tüm ilgilenenler davetlidir. </span><span style="font-style:inherit;font-variant:inherit;font-weight:inherit;color:inherit;margin:0px;padding:0px;border:0px;font-stretch:inherit;line-height:normal;vertical-align:baseline"> </span></font></div><div><p style="margin:0cm 0cm 8pt;color:rgb(32,31,30);line-height:22px"><span style="margin:0px;padding:0px;border:0px;font-style:inherit;font-variant:inherit;font-weight:inherit;font-stretch:inherit;line-height:normal;vertical-align:baseline;color:inherit"><font size="4" face="times new roman, serif">Seminer için Microsoft Teams platformu kullanılacaktır. Seminere katılmak için aşağıdaki linki kullanabilirsiniz:</font></span></p><p style="margin:0cm 0cm 8pt;color:rgb(32,31,30);line-height:22px"><a href="https://teams.microsoft.com/l/meetup-join/19%3a0ae91f7b86a24e8fa1d818a6f74b22a1%40thread.tacv2/1648490119949?context=%7b%22Tid%22%3a%22066690f2-a8a6-4889-852e-124371dcbd6f%22%2c%22Oid%22%3a%22a49a1949-9464-4e2b-861d-221a6985322e%22%7d" target="_blank" rel="noopener noreferrer" id="gmail-LPlnkOWALinkPreview" style="margin:0px;padding:0px;border:0px;font-variant-numeric:inherit;font-variant-east-asian:inherit;font-stretch:inherit;line-height:inherit;vertical-align:baseline;outline:0px"><font face="times new roman, serif" style="" size="4">https://teams.microsoft.com/l/meetup-join/19%3a0ae91f7b86a24e8fa1d818a6f74b22a1%40thread.tacv2/1648490119949?context=%7b%22Tid%22%3a%22066690f2-a8a6-4889-852e-124371dcbd6f%22%2c%22Oid%22%3a%22a49a1949-9464-4e2b-861d-221a6985322e%22%7d</font></a><font face="times new roman, serif" size="4"><br></font></p><p style="margin:0cm 0cm 8pt;color:rgb(32,31,30);line-height:22px"><font face="times new roman, serif" size="4"><span style="color:black;font-style:inherit;font-variant-ligatures:inherit;font-variant-caps:inherit;font-weight:inherit">Seminere bağlanırken aşağıdaki pencereyi görürseniz,  </span><br></font></p><div><div style="margin:0px;padding:0px 0px 20px;width:1292.01px"><div><div id="gmail-m_-5579924115673701571gmail-m_-9192166314807377313gmail-m_-6564398631029376806gmail-m_2738258699330394105gmail-m_-9113426807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;font-variant:inherit;font-weight:inherit;font-stretch:inherit;line-height:inherit;vertical-align:baseline;color:black"><font size="4" face="times new roman, serif">Seminere giriş yaparken lütfen gerçek ve tam adınızı kullanınız.</font></span></p><p style="margin:0cm 0cm 0pt;color:rgb(32,31,30);background-image:initial;background-position:initial;background-size:initial;background-repeat:initial;background-origin:initial;background-clip:initial"><span lang="EN-US" style="margin:0px;padding:0px;border:0px;font-style:inherit;font-variant:inherit;font-weight:inherit;font-stretch:inherit;line-height:inherit;vertical-align:baseline;color:black"><font size="4" face="times new roman, serif"><br></font></span></p><p style="margin:0cm 0cm 0pt;color:rgb(32,31,30);background-image:initial;background-position:initial;background-size:initial;background-repeat:initial;background-origin:initial;background-clip:initial"><font color="#000000" size="4" face="times new roman, serif"><span style="margin:0px;padding:0px;border:0px;font-style:inherit;font-variant:inherit;font-weight:inherit;font-stretch:inherit;line-height:inherit;vertical-align:baseline;color:inherit">Konuşmadığınız sürece lütfen mikrofonunuzu kapalı tutunuz.</span></font></p><font face="times new roman, serif" size="4"><br style="color:rgb(32,31,30)"></font><p style="margin-top:0px;margin-bottom:0px;color:rgb(32,31,30)"></p><p style="margin:0cm 0cm 8pt;color:rgb(32,31,30);line-height:22px"><font size="4" face="times new roman, serif"><span style="margin:0px;padding:0px;border:0px;font-style:inherit;font-variant:inherit;font-weight:inherit;font-stretch:inherit;line-height:normal;vertical-align:baseline;color:inherit">Saygılarımızla.</span><span style="margin:0px;padding:0px;border:0px;font-style:inherit;font-variant:inherit;font-weight:inherit;font-stretch:inherit;line-height:normal;vertical-align:baseline;color:inherit"> </span></font></p><p style="margin:0cm 0cm 8pt;color:rgb(32,31,30);line-height:22px"><font size="4" face="times new roman, serif"><br></font></p><p style="margin:0cm 0cm 8pt;color:rgb(32,31,30);line-height:22px"><font size="4" face="times new roman, serif"><span style="margin:0px;padding:0px;border:0px;font-style:inherit;font-variant:inherit;font-weight:inherit;font-stretch:inherit;line-height:normal;vertical-align:baseline;color:inherit">Dear all,</span><span style="margin:0px;padding:0px;border:0px;font-style:inherit;font-variant:inherit;font-weight:inherit;font-stretch:inherit;line-height:normal;vertical-align:baseline;color:inherit"> </span></font></p><p style="margin:0cm 0cm 8pt;line-height:22px"><span style="color:inherit;font-style:inherit;font-variant:inherit;font-family:"times new roman",serif;font-size:large;margin:0px;padding:0px;border:0px;font-stretch:inherit;line-height:normal;vertical-align:baseline"><span style="font-style:inherit;font-variant:inherit;color:inherit;text-align:justify;margin:0px;padding:0px;border:0px;font-stretch:inherit;line-height:normal;vertical-align:baseline"><b>Dr. Burak Hatinoğlu</b><b> </b></span></span><span style="color:inherit;font-style:inherit;font-variant:inherit;margin:0px;padding:0px;border:0px;font-stretch:inherit;line-height:normal;vertical-align:baseline"><span style="font-weight:inherit"><font face="times new roman, serif" size="4">from</font> <font face="times new roman, serif" size="4">UCSC</font></span></span><font face="times new roman, serif" size="4" style="color:rgb(32,31,30)"> (USA<span style="color:rgb(34,34,34)">) </span><span style="margin:0px;padding:0px;border:0px;font-style:inherit;font-variant:inherit;font-stretch:inherit;line-height:normal;vertical-align:baseline;color:inherit"><font style="font-weight:inherit">will give a talk titled</font></span></font><font face="times new roman, serif" size="4" style="text-align:justify"><span style="color:inherit;margin:0px;padding:0px;border:0px;font-variant:inherit;font-weight:inherit;font-stretch:inherit;line-height:normal;vertical-align:baseline"><span style="font-style:inherit"> </span></span></font><font face="times new roman, serif" size="4" style="text-align:justify"><span style="color:inherit;margin:0px;padding:0px;border:0px;font-variant:inherit;font-weight:inherit;font-stretch:inherit;line-height:normal;vertical-align:baseline"><span style="margin:0px;padding:0px;border:0px;font-variant:inherit;font-weight:inherit;font-stretch:inherit;line-height:inherit;vertical-align:baseline;color:inherit"><i>"</i></span></span></font><span style="color:inherit;font-variant:inherit;font-weight:inherit;margin:0px;padding:0px;border:0px;font-stretch:inherit;line-height:normal;vertical-align:baseline"> <span style="color:rgb(32,31,30)"><i><font size="4" face="times new roman, serif">A complex analytic approach to inverse spectral problems</font></i></span> <i style="font-size:large;font-family:"Times New Roman",Times,serif">”</i></span>  <font face="times new roman, serif" size="4" style="color:rgb(32,31,30)"><span style="color:inherit;font-variant:inherit;font-weight:inherit;margin:0px;padding:0px;border:0px;font-stretch:inherit;line-height:normal;vertical-align:baseline"><span style="font-style:inherit">on April 1st at 17:00. </span></span><span style="color:inherit;font-style:inherit;font-variant:inherit;font-weight:inherit;margin:0px;padding:0px;border:0px;font-stretch:inherit;line-height:normal;vertical-align:baseline">All interested are invited.</span></font></p><p style="margin:0cm 0cm 8pt;color:rgb(32,31,30);line-height:22px"><font size="4"><font face="times new roman, serif"><span style="color:inherit;font-style:inherit;font-variant:inherit;margin:0px;padding:0px;border:0px;font-stretch:inherit;line-height:normal;vertical-align:baseline"><span style="color:rgb(0,0,0)">Abstract: </span></span></font></font><font face="times new roman, serif" style="" size="4">In this talk we will consider the Schroedinger operator on a finite interval with an L^1-potential. Borg’s two spectra theorem says that the potential can be uniquely recovered from two spectra. By another classical result of Marchenko, the potential can be uniquely recovered from the spectral measure or Weyl m-function. After a brief review of inverse spectral theory of one dimensional Schroedinger operators, we will discuss the following mixed spectral problem as a complex analysis problem: Can one spectrum together with subsets of another spectrum and norming constants uniquely determine the potential?</font></p><br></div><div><p style="margin:0cm 0cm 8pt;color:rgb(32,31,30);line-height:22px"><span style="margin:0px;padding:0px;border:0px;font-style:inherit;font-variant:inherit;font-weight:inherit;font-stretch:inherit;line-height:normal;vertical-align:baseline;color:inherit"><font size="4" face="times new roman, serif">Microsoft Teams platform will be used for the seminar. To join the seminar, please use the following link:</font></span></p><p style="margin:0cm 0cm 8pt;color:rgb(32,31,30);line-height:22px"><a href="https://teams.microsoft.com/l/meetup-join/19%3a0ae91f7b86a24e8fa1d818a6f74b22a1%40thread.tacv2/1648490119949?context=%7b%22Tid%22%3a%22066690f2-a8a6-4889-852e-124371dcbd6f%22%2c%22Oid%22%3a%22a49a1949-9464-4e2b-861d-221a6985322e%22%7d" target="_blank" rel="noopener noreferrer" id="gmail-LPlnkOWALinkPreview" style="margin:0px;padding:0px;border:0px;font-variant-numeric:inherit;font-variant-east-asian:inherit;font-stretch:inherit;line-height:inherit;vertical-align:baseline;outline:0px"><font face="times new roman, serif" size="4">https://teams.microsoft.com/l/meetup-join/19%3a0ae91f7b86a24e8fa1d818a6f74b22a1%40thread.tacv2/1648490119949?context=%7b%22Tid%22%3a%22066690f2-a8a6-4889-852e-124371dcbd6f%22%2c%22Oid%22%3a%22a49a1949-9464-4e2b-861d-221a6985322e%22%7d</font></a><font face="times new roman, serif" size="4"><br></font></p><p style="margin:0cm 0cm 8pt;color:rgb(32,31,30);line-height:22px"><font size="4" face="times new roman, serif"><span style="margin:0px;padding:0px;border:0px;font-style:inherit;font-variant:inherit;font-weight:inherit;font-stretch:inherit;line-height:inherit;vertical-align:baseline;color:inherit"><span lang="EN-US" style="margin:0px;padding:0px;border:0px;font-style:inherit;font-variant:inherit;font-weight:inherit;font-stretch:inherit;line-height:inherit;vertical-align:baseline;color:black">If you see the following window when connecting to the seminar,  </span></span><br></font></p><div><font size="4" face="times new roman, serif"><img src="cid:ii_kfs6ydpv1" alt="image.png" width="327" height="165" class="gmail-CToWUd gmail-a6T" tabindex="0" style="cursor: pointer; outline: 0px;"><br></font></div><p align="center" style="margin:0cm 0cm 0pt;color:rgb(32,31,30);background-image:initial;background-position:initial;background-size:initial;background-repeat:initial;background-origin:initial;background-clip:initial;text-align:center"><b><font size="4" face="times new roman, serif"><span style="margin:0px;padding:0px;border:0px;font-style:inherit;font-variant:inherit;font-weight:inherit;font-stretch:inherit;line-height:inherit;vertical-align:baseline;color:inherit"></span><span lang="EN-US" style="margin:0px;padding:0px;border:0px;font-style:inherit;font-variant:inherit;font-weight:inherit;font-stretch:inherit;line-height:inherit;vertical-align:baseline;color:black"></span><span lang="EN-US" style="margin:0px;padding:0px;border:0px;font-style:inherit;font-variant:inherit;font-weight:inherit;font-stretch:inherit;line-height:inherit;vertical-align:baseline;color:black"> </span></font></b></p><p style="margin:0cm 0cm 0pt;color:rgb(32,31,30);background-image:initial;background-position:initial;background-size:initial;background-repeat:initial;background-origin:initial;background-clip:initial"><font size="4" face="times new roman, serif"><span lang="EN-US" style="margin:0px;padding:0px;border:0px;font-style:inherit;font-variant:inherit;font-weight:inherit;font-stretch:inherit;line-height:inherit;vertical-align:baseline;color:black">please select</span><span lang="EN-US" style="margin:0px;padding:0px;border:0px;font-style:inherit;font-variant:inherit;font-weight:bold;font-stretch:inherit;line-height:inherit;vertical-align:baseline;color:black"><span style="margin:0px;padding:0px;border:0px;font-style:inherit;font-variant:inherit;font-weight:inherit;font-stretch:inherit;line-height:inherit;vertical-align:baseline;color:inherit"> </span></span><span lang="EN-US" style="margin:0px;padding:0px;border:0px;font-style:inherit;font-variant:inherit;font-weight:bold;font-stretch:inherit;line-height:inherit;vertical-align:baseline;color:black"><b>Allow</b></span><span lang="EN-US" style="margin:0px;padding:0px;border:0px;font-style:inherit;font-variant:inherit;font-weight:inherit;font-stretch:inherit;line-height:inherit;vertical-align:baseline;color:black"><b>.<span style="margin:0px;padding:0px;border:0px;font-style:inherit;font-variant:inherit;font-weight:inherit;font-stretch:inherit;line-height:inherit;vertical-align:baseline;color:inherit"> </span></b>Then you will be able to use your microphone and camera during the seminar. </span></font></p><p style="margin:0cm 0cm 0pt;color:rgb(32,31,30);background-image:initial;background-position:initial;background-size:initial;background-repeat:initial;background-origin:initial;background-clip:initial"><span lang="EN-US" style="margin:0px;padding:0px;border:0px;font-style:inherit;font-variant:inherit;font-weight:inherit;font-stretch:inherit;line-height:inherit;vertical-align:baseline;color:black"><font size="4" face="times new roman, serif"><br></font></span></p><p style="margin-top:0px;margin-bottom:0px;color:rgb(32,31,30)"></p><p style="margin:0cm 0cm 8pt;color:rgb(32,31,30);line-height:22px"><span style="margin:0px;padding:0px;border:0px;font-style:inherit;font-variant:inherit;font-weight:inherit;font-stretch:inherit;line-height:normal;vertical-align:baseline;color:rgb(0,0,0)"><font size="4" face="times new roman, serif">Please use your real and complete name when you enter the system.</font></span></p><p style="margin:0cm 0cm 8pt;color:rgb(32,31,30);line-height:22px"><span style="margin:0px;padding:0px;border:0px;font-style:inherit;font-variant:inherit;font-weight:inherit;font-stretch:inherit;line-height:normal;vertical-align:baseline;color:inherit"><font size="4" face="times new roman, serif">Please switch your microphone off unless you are speaking.</font></span></p><p style="margin:0cm 0cm 8pt;color:rgb(32,31,30);line-height:22px"><span style="margin:0px;padding:0px;border:0px;font-style:inherit;font-variant:inherit;font-weight:inherit;font-stretch:inherit;line-height:inherit;vertical-align:baseline;color:inherit"><font size="4" face="times new roman, serif"><br></font></span></p><p style="margin:0cm 0cm 8pt;color:rgb(32,31,30);line-height:22px"><span style="margin:0px;padding:0px;border:0px;font-style:inherit;font-variant:inherit;font-weight:inherit;font-stretch:inherit;line-height:inherit;vertical-align:baseline;color:inherit"><font size="4" face="times new roman, serif">Sincerely</font></span></p></div></div>