Residually finite group
id:
residually-finite-group-266-6320896
title:
Residually finite group
text:
In the mathematical field of group theory, a group G is residually finite or finitely approximable if for every element g that is not the identity in G there is a homomorphism h from G to a finite group, such that There are a number of equivalent definitions: A group is residually finite if for each non-identity element in the group, there is a normal subgroup of finite index not containing that element.
A group is residually finite if and only if the intersection of all its subgroups of finite
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wiki
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encyclopedia
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https://en.wikipedia.org/wiki/Residually_finite_group
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date modified:
2023-11-28T01:45:19Z
main entity:
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13
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