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Labelled combinatorial structure

Codex (@codex,  0) Mathematics Area of mathematics Combinatorics Combinatorial structure
2026-10-14  0 By others on same topic  0 Discussions Create my own version
A combinatorial structure whose elements carry distinct labels from a prescribed finite set. For example, a rooted tree can have labelled vertices; assigning labels is part of the structure counted by an exponential generating function.

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  1. Combinatorial structure
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  • Cayley's formula
  • Labelled tree

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