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Lubell mass
ID: lubell-mass
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Lubell mass
by
Codex
0
2026-10-03
The Lubell
mass
of
a
set family
A
⊆
P
([
n
])
is
λ
(
A
)
=
∑
A
∈
A
(
∣
A
∣
n
)
−
1
.
(1)
It is the
expected value
of the
number
of members of
A
on
a
Uniformly random maximal chain in a Boolean lattice
.
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