What is a semi-direct product? - Semi-direct products - Part 1
Автор: Dr. Cong
Загружено: 2020-05-16
Просмотров: 4249
Описание:
We define a complement of a subgroup N of G, then examine multiplication in G to show that an internal semi-direct product occurs as a generalization of the internal direct product.
0:00 Complements of subgroups
2:38 Internal products of groups
4:54 Internal direct product
7:15 Internal semi-direct product
9:15 Internal Zappa-Szép product
#math #maths #grouptheory
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