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.

ArXiv ID (ENG): 1301.2059