Eğri grafının otomorfizmaları

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2017

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Mathematics
(2000)
The Atılım University Department of Mathematics was founded in 2000 and it offers education in English. The Department offers students the opportunity to obtain a certificate in Mathematical Finance or Cryptography, aside from their undergraduate diploma. Our students may obtain a diploma secondary to their diploma in Mathematics with the Double-Major Program; as well as a certificate in their minor alongside their diploma in Mathematics through the Minor Program. Our graduates may pursue a career in academics at universities, as well as be hired in sectors such as finance, education, banking, and informatics. Our Department has been accredited by the evaluation and accreditation organization FEDEK for a duration of 5 years (until September 30th, 2025), the maximum FEDEK accreditation period achievable. Our Department is globally and nationally among the leading Mathematics departments with a program that suits international standards and a qualified academic staff; even more so for the last five years with our rankings in the field rankings of URAP, THE, USNEWS and WEBOFMETRIC.

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Bu tezde, yüzeyler üzerindeki ayırmayan eğrilerin belli bir grafının otomorfizmalarını ve iki-taraflı eğrilerin komplekslerinin otomorfizmalarını çalışacağız. Üçüncü bölümde, cins sayısı g >= 1 ve n delikli yönlendirilebilen yüzeyler için P. S. Schaller'ın hiperbolik yüzeylerin gönderim sınıf grupları ve grafların otomorfizma grupları üzerine yaptığı çalışmasını ele alacağız. Daha açık olarak, Schaller tarafından ispat edilen belli bir grafın otomorfizma grubunun yönlendirilebilen yüzeyin genişletilmiş gönderim sınıf grubuna izomorfik olduğu gösterilmektedir. Bu tezin son bölümünde, cins sayısı g ve n delikli yönlendirilemeyen yüzeyler üzerindeki iki-taraflı basit kapalı eğrilerin komplekslerinin otomorfizmalarını çalışacağız.
In this thesis, we study the automorphisms of a certain graph of nonseparating curves and automorphisms of complexes of two-sided curves on surfaces. In Chapter 3, we deal with the work of P. S. Schaller on mapping class groups of hyperbolic surfaces and automorphism groups of graphs for orientable surfaces of genus g >= 1 with n punctures. More precisely, it is shown that the automorphism group of the certain graph is isomorphic to the extended mapping class group of the orientable surface proved by Schaller. In the last chapter of this thesis, we study the automorphisms of the complexes of two-sided simple closed curves on nonorientable surfaces of genus g with n holes.

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Matematik, Mathematics

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43