[Turkmath:6441] ODTU-Bilkent Algebraic Geometry Seminar-Zoom-547

[Ali Sinan Sertöz]

*Welcome to the 2024 Spring talks of ODTU-Bilkent Algebraic Geometry 
Seminars**
*
/since 2000/
**=================================================================**

This week the ODTU-Bilkent Algebraic Geometry Seminar 
<http://www.bilkent.edu.tr/~sertoz/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=20240419T1540&p1=19&ah=1>
*=================================================================*
*
*/Edgar Degas (1834-1917)
Millinery shop (1885)/
**Speaker: Ichiro Shimada <https://home.hiroshima-u.ac.jp/ichiro-shimada/>
****Affiliation: /Hiroshima University
/**
**/
/**
**Title:Real line arrangements and vanishing cycles****
**
**
**
**Abstract: **We investigate the topology of a double cover of a complex 
affine plane branching along a nodal real line arrangement.We define 
certain topological 2-cycles in the double plane using the real 
structure of the arrangement.These cycles resemble vanishing cycles of 
Lefschetz.We then  calculate their intersection numbers.

*Date:19 April 2024*, *Friday*
*Time: 15:40 /(GMT+3)/*
*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 at
    sertoz at bilkent.edu.tr
    <mailto:sertoz at bilkent.edu.tr?subject=Zoom%20Seminar%20Address%20Request>.**


You are most cordially invited to attend.

Ali Sinan Sertöz
/(PS: To unsubscribe from this list please send me a note.)/
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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  <mailto:sertoz at bilkent.edu.tr>  
Web:sertoz.bilkent.edu.tr  <http://sertoz.bilkent.edu.tr>  
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