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Theorems · Definition · order theory

IncidenceAlgebra.zeta

(𝕜 : Type u_2) → {α : Type u_5} → [inst : Zero 𝕜] → [One 𝕜] → [inst_2 : LE α] → [DecidableLE α] → IncidenceAlgebra 𝕜 α

The zeta function of the incidence algebra is the function that assigns 1 to every nonempty interval, convolution with this function sums functions over intervals.

Defined in
Mathlib.Combinatorics.Enumerative.IncidenceAlgebra
Cited by
11 results in Mathlib
Foundations
Depth 8 from the axioms · uses no axioms
Assumes
ZeroOneLEDecidableLE

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