1. Cohomology operations and the Deligne conjecture Creator: Markl, Martin Format: bez média and svazek Type: model:article and TEXT Subject: cohomology and natural operation Language: English Description: 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. Rights: http://creativecommons.org/publicdomain/mark/1.0/ and policy:public