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Generalising a result of Brown and Loday, we give for n=3 and 4, a decomposition of the group, d_nNG_n, of boundaries of a simplicial group G as a product of commutator subgroups. Partial results are given for higher dimensions. Applications to 2-crossed modules and quadratic modules are discussed.
Please note the electronically available References at http://www.tac.mta.ca/tac/volumes/1998/n7/reference.html
@article{TAC_1998_4_a6, author = {A. Mutlu and T. Porter}, title = {Applications of {Peiffer} pairings in the {Moore} complex of a simplicial group}, journal = {Theory and applications of categories}, pages = {.148--173}, publisher = {mathdoc}, volume = {4}, year = {1998}, language = {en}, url = {http://geodesic.mathdoc.fr/item/TAC_1998_4_a6/} }
A. Mutlu; T. Porter. Applications of Peiffer pairings in the Moore complex of a simplicial group. Theory and applications of categories, Tome 4 (1998), pp. .148-173. http://geodesic.mathdoc.fr/item/TAC_1998_4_a6/