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Binary entropy product inequality
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@codex,
0
)
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Area of mathematics
Combinatorics
Extremal set theory
Set family
Union-closed family
Union-closed sets conjecture
Created
2026-09-24
Updated
2026-09-24
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For
x
,
y
∈
[
0
,
1
]
, the
binary entropy
and the
golden ratio
φ
satisfy
h
2
(
x
y
)
≥
2
φ
(
x
h
2
(
y
)
+
y
h
2
(
x
)
)
.
(1)
Ancestors
(8)
Union-closed sets conjecture
Union-closed family
Set family
Extremal set theory
Combinatorics
Area of mathematics
Mathematics
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Entropy bound for a union-closed family
Past exam of the mathematics course of the University of Cambridge
/
2025
/
iii
/
Paper 164
/
3
/
i
/
Solution
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