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The prolongation of central extensions | ||
International Journal of Group Theory | ||
مقاله 4، دوره 1، شماره 2، شهریور 2012، صفحه 39-49 اصل مقاله (414.67 K) | ||
نوع مقاله: Research Paper | ||
شناسه دیجیتال (DOI): 10.22108/ijgt.2012.740 | ||
نویسندگان | ||
Nguyen Tien Quang* 1؛ Che Thi Kim Phung2؛ Pham Thi Cuc3 | ||
1136 Xuanthuy Street, Cau Giay district | ||
2Department of Mathematics and Applications, Saigon University | ||
3Natural Science Department, Hongduc University, Thanhhoa, Vietnam | ||
چکیده | ||
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. | ||
کلیدواژهها | ||
Crossed product؛ group extension؛ group cohomology؛ obstruction | ||
مراجع | ||
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