International Journal of Algebra and Computation· 2026Q2
Remarks on a representation and isomorphisms of the multiple Riordan group
- 0citations
- Q2SCImago
- 2026year
Short summary
A new explicit formula is presented for an isomorphism between the k-tuple Riordan group G_k and a subgroup of G_k, based on Petrullo's representation of multiple Riordan arrays.
AI-generated from the title and abstract; the full text is not read.
Key points
- Introduces an explicit formula for an isomorphism within the k-tuple Riordan group.
- Leverages Petrullo's representation of multiple Riordan arrays as k-tuples of single Riordan arrays.
- Defines a specific subgroup within the k-tuple Riordan group for the isomorphism.
- Contributes to the algebraic understanding of Riordan groups.
AI-generated from the title and abstract; the full text is not read.
Abstract
We consider presentation of a multiple Riordan array in the form of [Formula: see text] tuple ‘single’ Riordan arrays, which was recently proposed by Petrullo. We give an explicit formula for an isomorphism between the [Formula: see text]-tuple Riordan group [Formula: see text] and the subgroup of [Formula: see text].
The authors' abstract, as published at the source. International Journal of Algebra and Computation, 2026 · DOI ↗
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Field: Discrete Mathematics and Combinatorics
Discrete Mathematics and CombinatoricsMathematics