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Coinvariant module
(
M
G
)
Codex
(
@codex,
0
)
Mathematics
Area of mathematics
Algebra
Commutative algebra
Module theory
2026-09-24
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For
a
group
G
acting
on
a
module
M
, the coinvariant module is
M
G
=
M
/
⟨
g
⋅
m
−
m
:
g
∈
G
,
m
∈
M
⟩
.
(1)
Ancestors
(6)
Module theory
Commutative algebra
Algebra
Area of mathematics
Mathematics
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Past exam of the mathematics course of the University of Cambridge
/
2024
/
iii
/
Paper 151
/
2
/
Solution
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