Jimmy Vineyard

collaborators

2 papers

math.CO2026

The Terwilliger algebra for the distance-regular graphs with valency three

Kevin Kauflin, Paul Terwilliger, BarnabÃ¡s ValkÃ³ +2

In this paper, we discuss a family of highly regular graphs, said to be distance-regular. We are particularly interested in the distance-regular graphs with valency three. It is kn…

math.RA2025

Concrete Billiard Arrays of Polynomial Type and Leonard Systems

Jimmy Vineyard

Let $d$ denote a nonnegative integer and let $F$ denote a field. Let $V$ denote a $d + 1$ dimensional vector space over $F$ . Given an ordering ${I^¸_{i}}_{i = 0}^{d}$ of…