[Turkmath:5831] ODTU-Bilkent Algebraic Geometry Seminar-Zoom-516

[Ali Sinan Sertöz]

*Welcome to the 2022 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/~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=20221118T1540&p1=19>
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image.png
**
/Kate Lycett/
**Speaker:Müfit Sezer
****Affiliation: /Bilkent/****
Title:Vector invariants of a permutation group over characteristic zero

**
**Abstract:**We consider a finite permutation group acting naturally on 
a vector space V over a field k. A well known theorem of Göbel asserts 
that the corresponding ring of invariants k[V]^G  is generated by 
invariants of degree at most dim V choose 2.  We point out that if the 
characteristic of k is zero then the top degree of the vector 
coinvariants k[mV]_G  is also bounded above by n choose 2 implying that 
Göbel's bound almost holds for vector invariants as well in 
characteristic zero.
This work is joint with F. Reimers.

*Date:18 November 2022*, *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  
Web:sertoz.bilkent.edu.tr  <http://sertoz.bilkent.edu.tr>  
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