Planar trees, free nonassociative algebras, invariants, and elliptic integrals

• Published in: Algebra and Discrete Mathematics
• Date: 2008
• Main Authors: Drensky, V., Holtkamp, R.
• Format: Article
• Language: English
• Published: Інститут прикладної математики і механіки НАН України 2008
• Online Access: https://nasplib.isofts.kiev.ua/handle/123456789/152390
• Journal Title: Digital Library of Periodicals of National Academy of Sciences of Ukraine
• Cite this: Planar trees, free nonassociative algebras, invariants, and elliptic integrals / V. Drensky, R. Holtkamp // Algebra and Discrete Mathematics. — 2008. — Vol. 7, № 2. — С. 1–41. — Бібліогр.: 48 назв. — англ

We consider absolutely free algebras with (maybe infinitely) many multilinear operations. Such multioperator algebras were introduced by Kurosh in 1960. Multioperator algebras satisfy the Nielsen-Schreier property and subalgebras of free algebras are also free. Free multioperator algebras are descri...