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math.AT2012
Coxeter Cochain Complexes
Michael Larsen, Ayelet Lindenstrauss
We define the Coxeter cochain complex of a Coxeter group (G,S) with coefficients in a Z[G]-module A. This is closely related to the complex of simplicial cochains on the abstract s…
math.AT2005
The Higher Connectivity of Intersections of Real Quadrics
Michael Larsen, Ayelet Lindenstrauss
A linear system of real quadratic forms defines a real projective variety. The real non-singular locus of this variety (more precisely of the underlying scheme) has a highly connec…