[Turkmath:5539] ODTU-Bilkent Algebraic Geometry Seminar-Zoom-508

[Ali Sinan Sertöz]

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*Welcome to the 2022 Spring talks of ODTU-Bilkent Algebraic Geometry 
Seminars**
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/since 2000/
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This week the ODTU-Bilkent Algebraic Geometry Seminar 
<http://www.bilkent.edu.tr/%7Esertoz/agseminar.htm>  is *Online.*

/This talk will begin at _*15:40*__(GMT+3)_/
Please check your time difference between Ankara and your city here 
<https://www.timeanddate.com/worldclock/fixedtime.html?msg=ODT%C3%9C-Bilkent+Algebraic+Geometry+Seminar&iso=20220408T1540&p1=19>
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*image.png *//
Georgi Petrov
Trigrad
/(from the artist's homepage)/
**Speaker:Yıldıray Ozan
**
**Affiliation:/ODTÜ/
Title:Picard Groups of the Moduli Spaces of Riemann Surfaces with 
Certain Finite Abelian Symmetry Groups

**
**Abstract:**In 2021, H. Chen determined all finite abelian regular 
branched covers of the 2-sphere with the property that all 
homeomorphisms of the base preserving the branch set lift to the cover, 
extending the previous works of Ghaswala-Winarski and 
Atalan-Medettoğulları-Ozan. In this talk, we will present a consequence 
of this classification to the computation of Picard groups of moduli 
spaces of complex projective curves with certain symmetries. Indeed, we 
will use the work by K. Kordek already used by him for similar 
computations. During the talk we will try to explain the necessary 
concepts and tools following Kordek's work.
*Date:8 April 2022*, Friday
*Time: 15:40 /(GMT+3)/*
*Place: **Zoom
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    **One day before the seminar, an announcement with the Zoom meeting
    link will be sent to those who registered with Sertöz.
    **

    **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.
    **

    **If you have not registered before, please contact him at
    sertoz at bilkent.edu.tr
    <mailto:sertoz at bilkent.edu.tr?subject=Zoom%20Seminar%20Address%20Request>.**

**


Please bring your own tea and cookies and self-serve at the convenience 
of your own home! 😁

You are most cordially invited to attend.

Ali Sinan Sertöz
**

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Ali Sinan Sertöz
Bilkent University, Department of Mathematics, 06800 Ankara, Türkiye
Office: (90)-(312) - 290 1490
Department: (90)-(312) - 266 4377
Fax: (90)-(312) - 290 1797
e-mail:sertoz at bilkent.edu.tr  
Web:sertoz.bilkent.edu.tr  <http://sertoz.bilkent.edu.tr>  
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