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arXiv 0707.3129math.QAmath.CO
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变形Macdonald-Ruijsenaars算子与超Macdonald多项式

Deformed Macdonald-Ruijsenaars operators and super Macdonald polynomials

A. N. Sergeev, A. P. Veselov

摘要:

证明了变形Macdonald-Ruijsenaars算子可以描述为无穷多个变量对通常Macdonald-Ruijsenaars算子的某些仿射子簇的限制.这些品种的理想示出所产生的麦克唐纳多项式与特殊几何的杨氏图。介绍了超Macdonald多项式及其移位形式,给出了它们的组合公式。

英文摘要:

It is shown that the deformed Macdonald-Ruijsenaars operators can be described as the restrictions on certain affine subvarieties of the usual Macdonald-Ruijsenaars operator in infinite number of variables. The ideals of these varieties are shown to be generated by the Macdonald polynomials related to Young diagrams with special geometry. The super Macdonald polynomials and their shifted version are introduced, the combinatorial formulas for them are given.

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