3 papers
math.KT2020
On a generalization of the topological Brauer group
Andrei V. Ershov
In the present paper we propose some generalization of the topological Brauer group that includes higher homotopical information and contains the classical one as a direct summand.…
math.AT2003
A generalization of the topological Brauer group
A. V. Ershov
In the present paper we study some homotopy invariants which can be defined by means of bundles with fiber a matrix algebra. We also introduce some generalization of the Brauer gro…
math.AT2001
Supplement 2 to the paper "Floating bundles and their applications"
A. V. Ershov
This paper is the supplement to the section 2 of the paper "Floating bundles and their applications" (math.AT/0102054). Below we study some properties of category, connected with c…