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Hopf's formula
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Mathematics
Area of mathematics
Algebra
Group theory
Group homology
Schur multiplier
2026-09-24
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G
≅
F
/
R
,
Hopf's formula
is
H
2
(
G
,
Z
)
≅
[
F
,
R
]
R
∩
[
F
,
F
]
.
(1)
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Schur multiplier
Group homology
Group theory
Algebra
Area of mathematics
Mathematics
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Hopf's formula
Past exam of the mathematics course of the University of Cambridge
/
2024
/
iii
/
Paper 151
/
2
/
Solution
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