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Bordisms of manifolds with proper action of discrete groupдоклад на конференции
- Автор: Мищенко А.С.
- Конференция : C*-algebras and elliptic theory. III
- Даты проведения конференции: 2009
- Тип доклада: не указан
- Докладчик: Мищенко А.С.
- Место проведения: Banach Center, Bedlewo, Poland, Poland
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Аннотация доклада:
There is a combinatorial construction of non-commutative signature of the manifolds with proper action of a discrete group. On the other hand one can de ned a proper bordism relation between oriented manifolds with proper action. The non-commutative signature turns out to be homotopy invariant and invariant of oriented bordism. As a consequence the bordism group of proper action is not trivial. The Hirzebruch type formula will be presented.
- Добавил в систему: Мищенко Александр Сергеевич