Tatsuro Ito

activity

20032008

P

-and

Q

-polynomial association schemes

40 citations · 116 across the 12 of their papers we have counts for

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3 papers · 1 filter

math.CO2007

Distance-regular graphs of $q$ -Racah type and the $q$ -tetrahedron algebra

Tatsuro Ito, Paul Terwilliger

In this paper we discuss a relationship between the following two algebras: (i) the subconstituent algebra $T$ of a distance-regular graph that has $q$ -Racah type; (ii) the $q$ -tet…

math.RT2007★ 15 cited

Finite-dimensional irreducible modules for the three-point $sl_{2}$ loop algebra

Tatsuro Ito, Paul Terwilliger

Recently Brian Hartwig and the second author found a presentation for the three-point $s l_{2}$ loop algebra by generators and relations. To obtain this presentation they defined a Li…

math.RA2007★ 5 cited

Tridiagonal pairs of Krawtchouk type

Tatsuro Ito, Paul Terwilliger

Let $K$ denote an algebraically closed field with characteristic 0 and let $V$ denote a vector space over $K$ with finite positive dimension. Let $A, A^{*}$ denote a tridiagonal pair…

Distance-regular graphs of q-Racah type and the q-tetrahedron algebra

Finite-dimensional irreducible modules for the three-point sl2​ loop algebra

Tridiagonal pairs of Krawtchouk type

Distance-regular graphs of $q$ -Racah type and the $q$ -tetrahedron algebra

Finite-dimensional irreducible modules for the three-point $sl_{2}$ loop algebra