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arXiv 1105.0701math-phmath.MP
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薛定谔群的表示与矩阵正交多项式

Representations of the Schrödinger group and matrix orthogonal polynomials

Luc Vinet, Alexei Zhedanov

摘要:

薛定谔群在一维空间中的表示是在谐振子态的基础上明确构造的。这些表示被认为涉及离散变量中的矩阵正交多项式,其具有Charlier和Meixner多项式作为构建块。潜在的李理论框架允许系统地推导结构公式(递归关系,差分方程,罗德里格斯公式等)。这些矩阵正交多项式满足。

英文摘要:

The representations of the Schrödinger group in one space dimension are explicitly constructed in the basis of the harmonic oscillator states. These representations are seen to involve matrix orthogonal polynomials in a discrete variable that have Charlier and Meixner polynomials as building blocks. The underlying Lie-theoretic framework allows for a systematic derivation of the structural formulas (recurrence relations, difference equations, Rodrigues' formula etc.) that these matrix orthogonal polynomials satisfy.

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