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Farber M. — Topology of closed one-forms
Farber M. — Topology of closed one-forms

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Название: Topology of closed one-forms

Автор: Farber M.


This monograph is an introduction to the fascinating field of the topology, geometry and dynamics of closed one-forms. The subject was initiated by S. P. Novikov in 1981 as a study of Morse type zeros of closed one-forms. The first two chapters of the book, written in textbook style, give a detailed exposition of Novikov theory, which plays a fundamental role in geometry and topology. Subsequent chapters of the book present a variety of topics where closed one-forms play a central role. The most significant results are the following: The solution of the problem of exactness of the Novikov inequalities for manifolds with the infinite cyclic fundamental group. The solution of a problem raised by E. Calabi about intrinsically harmonic closed one-forms and their Morse numbers. The construction of a universal chain complex which bridges the topology of the underlying manifold with information about zeros of closed one-forms. This complex implies many interesting inequalities including Bott-type inequalities, equivariant inequalities, and inequalities involving von Neumann Betti numbers. The construction of a novel Lusternik-Schnirelman-type theory for dynamical systems. Closed one-forms appear in dynamics through the concept of a Lyapunov one-form of a flow. As is shown in the book, homotopy theory may be used to predict the existence of homoclinic orbits and homoclinic cycles in dynamical systems (""focusing effect"").

Язык: en

Рубрика: Разное/

Статус предметного указателя: Неизвестно

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Год издания: 2004

Количество страниц: 247

Добавлена в каталог: 20.08.2016

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