A note on major sequences and external activity in trees
Copyright policy ) Janet Simpson Beissinger; Uri N. Peled;
A note on major sequences and external activity in trees
A bijection is given from major sequences of length $n$ (a variant of parking functions) to trees on $\{0,\ldots,n\}$ that maps a sequence with sum ${{n+1}\choose 2} + k$ to a tree with external activity $k$.
- University of Illinois at Chicago United States
- University of Illinois System United States
external activity, major sequences, bijection, parking function, Exact enumeration problems, generating functions, Enumeration in graph theory, Combinatorial identities, bijective combinatorics, Trees
external activity, major sequences, bijection, parking function, Exact enumeration problems, generating functions, Enumeration in graph theory, Combinatorial identities, bijective combinatorics, Trees
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selected citations
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These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
Citations provided by BIP!popularityPopularity provided by BIP!
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
Popularity provided by BIP! 2
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