[Turkmath:7402] ODTU-Bilkent Algebraic Geometry Seminar-Zoom-579

[Ali Sinan Sertöz]

*Welcome to the 2026 Spring talks of ODTÜ-Bilkent Algebraic Geometry 
Seminars**
*
/since 2000/
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This week the ODTÜ-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=20260227T1540&p1=19&ah=1>
*=================================================================

*

/Ben Viegers (1886-1947)
/
/
/
/
/
**Speaker: Meral Tosun <https://math.gsu.edu.tr/tosun/>**
******Affiliation: /Galatasaray

/**
**Title:  McKay Quivers Beyond ADE
**
**Abstract:** The classical McKay correspondence relates finite 
subgroups of SL(2,C) to affine ADE Dynkin diagrams and Du Val surface 
singularities. In this talk, we extend this perspective to small finite 
subgroups of GL(2,C) whose quotients produce isolated surface 
singularities. Using character theory and a product formula for McKay 
quivers, we give an explicit description of the quivers associated with 
the natural two-dimensional representation.

*Date: 27 February 2026, Friday*
*Time: 15:40 /(GMT+3)/*
*Place: **Zoom*

    /*Participants who have registered will receive the Zoom link via
    email one day before the seminar.*/

    /*If you registered for a previous talk in this series, there's no
    need to register again—you'll automatically receive the link for
    this session.*/

    /*If you haven't registered yet, please contact
    sertoz at bilkent.edu.tr to be added to the mailing list.*/

You are most cordially invited to attend.

Ali Sinan Sertöz

*/*/This seminar series is organized by a joint team from ODTÜ and Bilkent

Alexander Degtyarev (Bilkent)
Ali Sinan Sertöz (Bilkent) contact person
Ali Ulaş Özgür Kişisel (ODTÜ)
Yıldıray Ozan (ODTÜ)
/*/*

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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
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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