[Turkmath:5626] Gebze Teknik Üniversitesi Matematik Bölümü Genel Seminerleri

[GTU Mathematics]

Sayın Liste Üyeleri,

20 Mayıs Cuma günü saat 15:30'da *Doç Dr. Aslı Güçlükan İlhan *(Dokuz Eylül
Üniversitesi- Türkiye) *"* *Spin Structures on Small Covers* *” *başlıklı
bir seminer verecektir. Seminerin detayları aşağıda olup tüm ilgilenenler
davetlidir.

Seminer için Microsoft Teams platformu kullanılacaktır. Seminere katılmak
için aşağıdaki linki kullanabilirsiniz:

https://teams.microsoft.com/l/meetup-join/19%3a0ae91f7b86a24e8fa1d818a6f74b22a1%40thread.tacv2/1652598779071?context=%7b%22Tid%22%3a%22066690f2-a8a6-4889-852e-124371dcbd6f%22%2c%22Oid%22%3a%22a343f6fd-86f8-4abe-95cf-3c7f4ad5f0ca%22%7d

Seminere bağlanırken aşağıdaki pencereyi görürseniz,


[image: image.png]


lütfen* Allow (İzin ver) *seçeneğine tıklayınız. Bu sizin toplantıya kamera
ve mikrofonunuzla bağlanabilmenizi sağlar.


Seminere giriş yaparken lütfen gerçek ve tam adınızı kullanınız.


Konuşmadığınız sürece lütfen mikrofonunuzu kapalı tutunuz.

Saygılarımızla.


Dear all,

*Assoc.Prof.Dr. Aslı Güçlükan İlhan* from Dokuz Eylül University (Turkey) will
give a talk titled  *"* *Spin Structures on Small Covers "*  on May 20th at
15:30. All interested are invited.

Abstract:  Let P be an n-dimensional simple convex polytope. A small cover
over P is a smooth closed manifold with a locally standard
$\mathbb{Z}_2^n$-action
whose orbit space can be identified with P. In this talk, we give necessary
conditions for a small cover to have a Spin structure.  Then we consider
the case where P is a product of simplices. It turns out that when the
simplices in the product have dimensions greater than 1, these conditions
are also sufficient. We give necessary and sufficient conditions for the
existence of a Spin structure when the product contains simplices of
dimension 1. To very small cover over a product of simplices, there is an
associated digraph. We also give an interpretation of this result in terms
of the associated digraphs. This is a joint work with S. Kaan Gürbüzer.

Microsoft Teams platform will be used for the seminar. To join the seminar,
please use the following link:

https://teams.microsoft.com/l/meetup-join/19%3a0ae91f7b86a24e8fa1d818a6f74b22a1%40thread.tacv2/1652598779071?context=%7b%22Tid%22%3a%22066690f2-a8a6-4889-852e-124371dcbd6f%22%2c%22Oid%22%3a%22a343f6fd-86f8-4abe-95cf-3c7f4ad5f0ca%22%7d

If you see the following window when connecting to the seminar,
[image: image.png]



please select *Allow**. *Then you will be able to use your microphone and
camera during the seminar.


Please use your real and complete name when you enter the system.

Please switch your microphone off unless you are speaking.


Sincerely
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