
arXiv: 1007.1547
We prove that the Hopf algebra of parking functions and the Hopf algebra of ordered forests are isomorphic, using a rigidity theorem for a particular type of bialgebras.
22 pages, revised version
dendriform coalgebras, [MATH.MATH-RA]Mathematics [math]/Rings and Algebras [math.RA], duplicial algebras, Hopf algebra of ordered forests, Mathematics - Rings and Algebras, Hopf algebra of parking functions, 510, 004, 05C05, Rings and Algebras (math.RA), FOS: Mathematics, 16W30
dendriform coalgebras, [MATH.MATH-RA]Mathematics [math]/Rings and Algebras [math.RA], duplicial algebras, Hopf algebra of ordered forests, Mathematics - Rings and Algebras, Hopf algebra of parking functions, 510, 004, 05C05, Rings and Algebras (math.RA), FOS: Mathematics, 16W30
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