Distribution of the Number of Fixed Points of Elements of a Symmetric Semigroup under the Condition $\sigma ^{h + 1} = \sigma ^h $ and the Number of Trees of Height Not Exceeding h
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Publication:5668503
DOI10.1137/1116072zbMath0255.05116OpenAlexW2036870286MaRDI QIDQ5668503
Publication date: 1971
Published in: Theory of Probability & Its Applications (Search for Journal in Brave)
Full work available at URL: https://doi.org/10.1137/1116072
Trees (05C05) Semigroups of transformations, relations, partitions, etc. (20M20) Enumeration in graph theory (05C30) Combinatorial probability (60C05)
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