# Q-perfect groups and universal Q-central extensions.

Publicacions Matemàtiques (1990)

- Volume: 34, Issue: 2, page 291-297
- ISSN: 0214-1493

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topBrown, Ronald. "Q-perfect groups and universal Q-central extensions.." Publicacions Matemàtiques 34.2 (1990): 291-297. <http://eudml.org/doc/41135>.

@article{Brown1990,

abstract = {Using results of Ellis-Rodríguez Fernández, an explicit description by generators and relations is given of the mod q Schur multiplier, and this is shown to be the kernel of a universal q-central extension in the case of a q-perfect group, i.e. one which is generated by commutators and q-th powers. These results generalise earlier work [by] K. Dennis and Brown-Loday.},

author = {Brown, Ronald},

journal = {Publicacions Matemàtiques},

keywords = {Teoría de grupos; Grupos; universal coefficient theorem; homology of groups; cohomology of groups; commutator subgroup; q-perfect group; universal q-central extensions},

language = {eng},

number = {2},

pages = {291-297},

title = {Q-perfect groups and universal Q-central extensions.},

url = {http://eudml.org/doc/41135},

volume = {34},

year = {1990},

}

TY - JOUR

AU - Brown, Ronald

TI - Q-perfect groups and universal Q-central extensions.

JO - Publicacions Matemàtiques

PY - 1990

VL - 34

IS - 2

SP - 291

EP - 297

AB - Using results of Ellis-Rodríguez Fernández, an explicit description by generators and relations is given of the mod q Schur multiplier, and this is shown to be the kernel of a universal q-central extension in the case of a q-perfect group, i.e. one which is generated by commutators and q-th powers. These results generalise earlier work [by] K. Dennis and Brown-Loday.

LA - eng

KW - Teoría de grupos; Grupos; universal coefficient theorem; homology of groups; cohomology of groups; commutator subgroup; q-perfect group; universal q-central extensions

UR - http://eudml.org/doc/41135

ER -

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