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Co-prolongations of a group extension | ||
International Journal of Group Theory | ||
مقاله 5، دوره 3، شماره 1، خرداد 2014، صفحه 57-64 اصل مقاله (603.07 K) | ||
نوع مقاله: Research Paper | ||
شناسه دیجیتال (DOI): 10.22108/ijgt.2014.3225 | ||
نویسندگان | ||
Nguyen Tien Quang1؛ Doan Trong Tuyen2؛ Nguyen Thi Thu Thuy3 | ||
1Hanoi National University of Education | ||
2National Economics University | ||
3Hanoi University of Science and Technology | ||
چکیده | ||
The aim of this paper is to study co-prolongations of central extensions. We construct the obstruction theory for co-prolongations and classify the equivalence classes of these by kernels of homomorphisms between 2-dimensional cohomology groups of groups. | ||
کلیدواژهها | ||
group extension؛ cohomology of groups؛ prolongation؛ obstruction | ||
مراجع | ||
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