[Turkmath:5140] ODTU-Bilkent Algebraic Geometry Seminar-Zoom-489

[Ali Sinan Sertöz]

*
*
*Welcome to the 2021 Fall talks of ODTU-Bilkent Algebraic Geometry 
Seminars**
*****
**
/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 _*16:00*__(GMT+3)_/

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**//
/Paul Gauguin (1848-1903)
/

**Speaker: İzzet Coşkun*
*Affiliation: University of Illinois Chicago
Title:The cohomology of a general stable sheaf on a K3 surface

**
**Abstract:**In this talk, I will describe joint work with Howard Nuer 
and Kota Yoshioka on computing the cohomology of the general stable 
sheaf in a moduli space of semistable sheaves on a K3 surface of Picard 
rank 1. We find sharp bounds on the Mukai vector that guarantees that 
the cohomology can be determined from the Euler characteristic and 
classify all the Mukai vectors up to rank 20 where the generic sheaf 
does not exhibit the expected behavior.  We make critical use of 
Bridgeland stability conditions in our computation.

*Date:1 October 2021*, Friday
*Time: 16:00* (GMT+3) <======= Notice the new time for this talk
*Place: **Zoom
*
*
*

    **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
    atsertoz 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
**
*PS: /As this is the first announcement of this semester, please let me 
know if you want to drop out of this mailing list: just send me an email 
saying "unsubscribe", no questions asked, no explanation is necessary./*
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*/Also feel free to forward this message to anyone whom you think might 
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on the list yourself, again please send me an email./*
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/*
*/Thank you all! We could not have done it without your support./*

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Ali Sinan Sertöz
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:sertoz at bilkent.edu.tr  
Web: sertoz.bilkent.edu.tr
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