Pseudo-direct sums and wreath products of loose-coherent algebras with applications to coherent configurations

DOI10.1016/j.laa.2017.05.009zbMath1368.16038OpenAlexW2612079868MaRDI QIDQ2013186

Bangteng Xu

Publication date: 3 August 2017

Published in: Linear Algebra and its Applications (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1016/j.laa.2017.05.009

zbMATH Keywords

wreath productscoherent configurationsTerwilliger algebrasloose-coherent algebraspseudo-direct sums

Mathematics Subject Classification ID

Endomorphism rings; matrix rings (16S50) Association schemes, strongly regular graphs (05E30)

Related Items (2)

On symmetric association schemes and associated quotient-polynomial graphs ⋮ Varietal Terwilliger algebras arising from wreath products of rank two association schemes

Cites Work

• On semisimple varietal Terwilliger algebras whose non-primary ideals are 1-dimensional
• Combinatorial extensions of Terwilliger algebras and wreath products of association schemes
• Terwilliger algebras of direct and wreath products of association schemes
• The subconstituent algebra of an association scheme. I
• New upper bounds for nonbinary codes based on the Terwilliger algebra and semidefinite programming
• Terwilliger algebras of wreath products of association schemes
• Terwilliger algebras of wreath products of one-class association schemes
• Coherent algebras
• Terwilliger algebras of wreath products by quasi-thin schemes
• More on the Terwilliger algebra of Johnson schemes
• New Code Upper Bounds From the Terwilliger Algebra and Semidefinite Programming
• THE TERWILLIGER ALGEBRAS OF GROUP ASSOCIATION SCHEMES
• On quasi-thin association schemes

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