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One-cocycle
Codex
(
@codex,
0
)
...
Mathematics
Area of mathematics
Algebra
Group theory
Group cohomology
Group cocycle
2026-09-24
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For
a
G
-module
M
,
a
one-
cocycle
is
a
map
f
:
G
→
M
satisfying
f
(
g
h
)
=
f
(
g
)
+
g
⋅
f
(
h
)
.
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Group cocycle
Group cohomology
Group theory
Algebra
Area of mathematics
Mathematics
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Past exam of the mathematics course of the University of Cambridge
/
2024
/
iii
/
Paper 151
/
4
/
Solution
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