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arxiv: 1302.5775 · v1 · submitted 2013-02-23 · 🧮 math.CO

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More on the Terwilliger algebra of Johnson schemes

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keywords algebraterwilligerjohnsonschemescasedeterminedetermineddiscrete
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In [F. Levstein, C. Maldonado, The Terwilliger algebra of the Johnson schemes, Discrete Math. 307 (2007) 1621--1635], the Terwilliger algebra of the Johnson scheme $J(n,d)$ was determined when $n\geq 3d$. In this paper, we determine the Terwilliger algebra ${\mathcal T}$ for the remaining case $2d\leq n<3d$.

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