The prolongation of central extensions

Document Type : Research Paper


1 136 Xuanthuy Street, Cau Giay district

2 Department of Mathematics and Applications, Saigon University

3 Natural Science Department, Hongduc University, Thanhhoa, Vietnam


The aim of this paper is to study the $(\alpha‎, ‎\gamma)$-prolongation of central extensions‎. ‎We obtain the obstruction theory for $(\alpha‎, ‎\gamma)$-prolongations and classify $(\alpha‎, ‎\gamma)$-prolongations thanks to low-dimensional cohomology groups of groups‎.


Main Subjects

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