What is a double central extension ? (the question was asked by Ronald Brown)

George Janelidze

Cahiers de Topologie et Géométrie Différentielle Catégoriques (1991)

  • Volume: 32, Issue: 3, page 191-201
  • ISSN: 1245-530X

How to cite

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Janelidze, George. "What is a double central extension ? (the question was asked by Ronald Brown)." Cahiers de Topologie et Géométrie Différentielle Catégoriques 32.3 (1991): 191-201. <http://eudml.org/doc/91479>.

@article{Janelidze1991,
author = {Janelidze, George},
journal = {Cahiers de Topologie et Géométrie Différentielle Catégoriques},
keywords = {central extension; Galois theory in general categories; arrow category of the category of groups},
language = {eng},
number = {3},
pages = {191-201},
publisher = {Dunod éditeur, publié avec le concours du CNRS},
title = {What is a double central extension ? (the question was asked by Ronald Brown)},
url = {http://eudml.org/doc/91479},
volume = {32},
year = {1991},
}

TY - JOUR
AU - Janelidze, George
TI - What is a double central extension ? (the question was asked by Ronald Brown)
JO - Cahiers de Topologie et Géométrie Différentielle Catégoriques
PY - 1991
PB - Dunod éditeur, publié avec le concours du CNRS
VL - 32
IS - 3
SP - 191
EP - 201
LA - eng
KW - central extension; Galois theory in general categories; arrow category of the category of groups
UR - http://eudml.org/doc/91479
ER -

References

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  1. 1 R. Brown & G.J. Ellis, 'Hopf formulae for the higher homology of a group', Bull. London Math. Soc.20 (1988) 124-128. Zbl0611.20032MR924238
  2. 2 G. Janalidze, 'Pure Galois theory in categories', J. Algebra132 (1990) 270-286. (First version was available as UCNW Preprint 87.20, Bangor, 1987.) MR1061480

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