Contents Online

# Homology, Homotopy and Applications

## Volume 4 (2002)

### Number 1

### Contents

Cohomology of groups with operators

pp. 1-23

Addendum to: “Introduction to $A$-infinity algebras and modules” [HHA, v. 3 (2001) No. 1, pp. 1-35]

pp. 25-28

Simplicial and crossed Lie algebras

pp. 43-57

A higher dimensional homotopy sequence

pp. 59-69

Extensions of symmetric cat-groups

pp. 103-162

Semi-abelian exact completions

pp. 175-189

Topology with monoidal control

pp. 213-234