IMAS   23417
INSTITUTO DE INVESTIGACIONES MATEMATICAS "LUIS A. SANTALO"
Unidad Ejecutora - UE
artículos
Título:
An explicit description of the second cohomology group of a quandle
Autor/es:
VENDRAMIN, LEANDRO; GARCÍA IGLESIAS, AGUSTÍN
Revista:
MATHEMATISCHE ZEITSCHRIFT
Editorial:
SPRINGER
Referencias:
Año: 2016 p. 1 - 23
ISSN:
0025-5874
Resumen:
We use the inflation-restriction sequence and a result of Etingof and Graña on the rack cohomology to give a explicit description of 2-cocycles of finite indecomposable quandles with values in an abelian group. Several applications are given.