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arXiv 1503.01303math-phhep-thmath.MPnlin.SI
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有理BC(n)Ruijsenaars-Schneider-van Diejen系统两组Hamilton算子的等价性

Equivalence of two sets of Hamiltonians associated with the rational BC(n) Ruijsenaars-Schneider-van Diejen system

T. F. Gorbe, L. Feher

摘要:

建立了(超)可积有理BC(n)Ruijsenaars-Schneider-vanDiejen系统的两个完全Poisson交换Hamilton集的等价性.具体地说,证明了van Diejen构造的可换Hamilton算子是由Pusztai最近得到的Lax矩阵的特征多项式生成的Hamilton算子的线性组合,并给出了这种可逆线性变换的显式表达式.

英文摘要:

The equivalence of two complete sets of Poisson commuting Hamiltonians of the (super)integrable rational BC(n) Ruijsenaars-Schneider-van Diejen system is established. Specifically, the commuting Hamiltonians constructed by van Diejen are shown to be linear combinations of the Hamiltonians generated by the characteristic polynomial of the Lax matrix obtained recently by Pusztai, and the explicit formula of this invertible linear transformation is found.

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