collaborators

2 papers

math.AT2009

Cohomology Rings of Precubical Sets

Lopatkin Viktor

The aim of this paper is to define the structure of a ring on a graded cohomology group of a precubical set in coefficients in a ring with unit.

math.AT2008

The Torsion of Homology Groups of M(E,I)-sets

Lopatkin Viktor

We consider the torsion of homology groups of right pointed sets over a partially commutative monoid M(E,I)