A.A. Agrachev, Quadratic cohomology

Title: Quadratic cohomology
Authors: A.A. Agrachev
Journal title: Arnold Math.
Year: 2015
Volume: 1
Pages: 37-58
Abstract:

We study homological invariants of smooth families of real quadratic forms as a step towards a “ Lagrange multipliers rule in the large” that intends to describe topology of smooth vector functions in terms of scalar Lagrange functions.

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ArXiv ID (ENG): 1301.2059