[Turkmath] Gebze Teknik Üniversitesi (eski ismiyle GYTE) genel seminer

[Seher Tutdere]

*Sayın liste üyeleri,*

*Gebze Teknik Üniversitesi (GTU) Matematik Bölümü Genel Seminerleri
kapsamında, 3 Aralık Çarşamba günü  Semra Pamuk (ODTU) ve Stefan Hellbusch
(Oldenburg University, Almanya)   seminer verecekler. *

*Seminerlerin detayları aşağıda olup tüm  ilgililer davetlidir.*

*Saygılarımızla,*
*Seher Tutdere & İpek Tuvay*


*Dear All,*

*There will be two seminars in Gebze Technical University  on 3rd of
December  by Semra Pamuk  **(METU)  and Stefan Hellbusch (Oldenburg
University, Germany). *

*Time  and  place:**  December  3, in Department of Mathematics, Building
I, Seminar room.*

*1) 13:00,   S. Hellbusch,  **The picard group of a graph - Efficient
arithmetic,                                                   discrete
logarithm and cryptography*

*2) 14:00,   S. Pamuk, *    *Group Actions on Products of Spheres *



*Abstracts:*

*S. Hellbusch, * In this talk we will discuss some  details about the
picard  group of a graph and their applicability in cryptography. We
 illustrate the group with an unconstrained chip firing game and by using
Dhar's Burning Algorithm we get an efficient arithmetic. We will see some
examples and conclude, contrary to F. Shokrieh in [1], that there are
graphs suitable for cryptography.

[1] Farbod Shokrieh, The monodromy pairing and discrete logarithm on the
Jacobian of finite graphs, 2010


*S. Pamuk,*   This general talk will be about classifying free group
actions on spheres and products of spheres. We will give an overview of the
current knowledge about it and talk about still unresolved questions in
this area.

All interested are kindly invited,
Best regards,
Seher Tutdere & İpek Tuvay
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