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Tightness of certain monomials

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Abstract

For a quantized enveloping algebra of finite type, one can associate a natural monomial to a dominant weight. We show that these monomials for types A 5 and D 4 are semitight (i.e., a ℤ-linear combination of elements in the canonical basis) by a direct calculation.

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  1. Mathematical Sciences Center, Tsinghua University, Beijing, 100084, China

    WeiDeng Cui

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  1. WeiDeng Cui
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Cui, W. Tightness of certain monomials. Sci. China Math. 58, 1297–1304 (2015). https://doi.org/10.1007/s11425-014-4901-4

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  • DOI: https://doi.org/10.1007/s11425-014-4901-4

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