H2(T, G, ∂) and central extensions for crossed modules

Proceedings of the Edinburgh Mathematical Society

Volumn 42, Issue 1, 1999, Pages 169-177

  R Grandjean, A ^a   Ladra, M ^a  

^a UNIVERSITY OF SANTIAGO DE COMPOSTELA   (Spain)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 22444455077     PISSN: 00130915     EISSN: None     Source Type: Journal    
DOI: 10.1017/s0013091500020095     Document Type: Article

References (13)

1. R. BROWN, g-perfect groups and universal g-central extensions, Publ. Math. 34 (1990), 291-297.
2. R. BROWN and P. J. HIGGINS, On the connection between the second relative homotopy groups of some related spaces, Proc. London Math. Soc (3) 36 (1978), 193-212.
3. R. BROWN and J. L. LODAY, Van Kämpen theorems for diagrams of spaces, Topology 26 (1987), 311-335.
4. J. L. DONCEL-JUâREZ and A. R. GRANDJEâN, g-perfect crossed modules, J. Pure Appl. Algebra 81 (1992), 279-292.
5. G. J. ELLIS, Homology of 2-types, J. London Math. Soc. (2) 46 (1992), 1-27.
6. P. J. HILTON AND U. STAMMBACH, A course in Homological Algebra (Springer, Berlin, 1971).
7. H. HOFF, Fundamentalgruppe und zweite Bettische Gruppe, Comment. Math. Helv. 14 (1941/42), 257-309.
8. M. LADRA, Modulas Cruzados y Extensiones de Grupos (Ph. D. Thesis, Alxebra 39 Universidad de Santiago de Compostela, 1984).
9. M. LADRA and A. R. GRANDJEâN, Crossed modules and homology, J. Pure Appl Aleebra 95 (1994), 41-55.
10. K. J. NORRIE, Crossed Modules and analogues of Group theorems (Ph. D. Thesis, University of London, 1987).
11. K. J. NORRIE, Actions and automorphisms of crossed modules, Bull. Soc. Math. France 118 (1990), 129-146.
12. U. STAMMBACH, Homology in Group Theory (Lecture Note in Mathematics, 359, Springer, Berlin, 1973).
13. J. H. C. WHITEHEAD, Combinatorial Homotopy II, Bull. Amer. Math. Soc. 55 (1949), 453-496.