1. Cohomology of groups with operators

A. M. Cegarra, J. M. García-Calcines and J. A. Ortega, 1-23

2. Addendum to "Introduction to A-infinity algebras and modules"
[HHA, v. 3 (2001) No. 1, pp. 1-35]

Bernhard Keller, 25-28

3. Some results on central extensions of crossed modules

A. M. Vieites and J. M. Casas, 29-42

4. Simplicial and Crossed Lie Algebras

I. Akca and Z. Arvasi, 43-57

5. A higher dimensional homotopy sequence

M. Grandis and E. M. Vitale, 59-69

6. Metrizable Shape And Strong Shape Equivalences

L. Stramaccia, 71-85

7. Module derivations and non triviality of an evaluation fibration

Katsuhiko Kuribayashi, 87-101

8. Extensions of symmetric cat-groups

D. Bourn and E.M. Vitale, 103-162

9. Brave new Hopf algebroids and extensions of MU-algebras

Andrew Baker and Alain Jeanneret, 163-173

10. Semi-abelian exact completions

Marino Gran, 175-189

11. The Taylor towers for rational algebraic K-theory and Hochschild homology

Miriam Ruth Kantorovitz and Randy McCarthy, 191-212

12. Topology with Monoidal Control

René dePont Christensen and Hans Jørgen Munkholm, 213-234

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