Cohomology operations and the Deligne conjecture

2005/06/09 by Martin Markl, Markl, Martin
Mathematics · #Algebraic Geometry (math.AG) #Algebraic Topology (math.AT) #FOS: Mathematics #math.AG #math.AT

paper · pdf · doi:10.48550/arxiv.math/0506170

23 pages

arxiv created 2005/06/09 · arxiv updated 2009/12/01

Abstract

The aim of this note, which raises more questions than it answers, is to study natural operations acting on the cohomology of various types of algebras. It contains a lot of very surprising partial results and examples.

Related

• Brace operations and Deligne's Conjecture for module-algebras
• Explicit Deligne pairing
• Notes on Cohomology
• Four multiplicative cohomology theorems
• Cohomological and Combinatorial Methods in the Study of Symbolic Powers and Equations defining Varieties