[Turkmath:5307] ODTU-Bilkent Algebraic Geometry Seminar-Zoom-499

[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 _*15:40*__(GMT+3)_/

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*image.jpeg *//
/Paul Gauguin (1848-1903)
/

**Speaker:Ichiro Shimada
**
**Affiliation: Hiroshima
Title:Computation of automorphism groups of Enriques surfaces

**
**Abstract:**By Torelli's theorem for K3 surfaces, the automorphism 
group of a complex Enriques surface is determined by the Hodge structure 
of the covering K3 surface. However, in many cases, explicit 
computations are very heavy and practically infeasible.
We give a method by which one can compute a finitely generated set of 
automorphism groups of various Enriques surfaces
and their nef cones.
/This is a joint work with Simon Brandhorst.//
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*Date:17 December 2021*, 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, 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  <http://sertoz.bilkent.edu.tr>  
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