17 citations · 37 across the 7 of their papers we have counts for
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math.RA2007★ 17 cited
Planar trees, free nonassociative algebras, invariants, and elliptic integrals
Vesselin Drensky, Ralf Holtkamp
We consider absolutely free nonassociative algebras and, more generally, absolutely free algebras with (maybe infinitely) many multilinear operations. Such algebras are described i…
math.RA2007★ 1 cited
Partial magmatic bialgebras
Emily Burgunder, Ralf Holtkamp
A partial magmatic bialgebra, (T;S)-magmatic bialgebra where T \subset S are subsets of the set of positive integers, is a vector space endowed with an n-ary operation for each n i…