Ruijsenaars’ commuting difference operators and invariant subspace spanned by theta functions

Ruijsenaars’ commuting difference operators and invariant subspace spanned by theta functions
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Ruijsenaars 的通勤差分算子和 theta 函数跨越的不变子空间

DOI:
10.1063/1.1387449
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发表时间:
2001
影响因子:
1.3
通讯作者:
Y. Komori
Y. Komori
中科院分区:
物理与天体物理3区
文献类型:
--
作者:
Y. Komori

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本文研究了一类由Ruijsenaars提出的可交换差分算子族。这些算符与适当函数的共轭给出了某些相对论量子系统的哈密顿量。这些算子可以看作是Macdonald算子的椭圆型类似物,它们的系数由Jacobi θ函数组成。我们证明了这些算子作用在仿射李代数的Cartan子代数上的亚纯函数空间上,并且在这些算子的作用下,由固定正水平的特征标所构成的空间是不变的.
We study a family of mutually commutative difference operators introduced by Ruijsenaars. The conjugations of these operators with an appropriate function give the Hamiltonians of some relativistic quantum systems. These operators can be regarded as elliptic analogs of the Macdonald operators and their coefficients consist of the Jacobi theta functions. We show that these operators act on the space of meromorphic functions on the Cartan subalgebra of affine Lie algebras and that the space spanned by characters of a fixed positive level is invariant under the action of these operators.
DOI: 10.1090/s0894-0347-1989-0991016-9
发表时间: 1989-09
影响因子: 3.9
作者:
G. Lusztig
通讯作者: G. Lusztig
DOI: --
发表时间: 1993-06
影响因子: 1.8
作者:
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通讯作者: J. F. van Diejen
“共形场论和切雷德尼克代数”
DOI: --
发表时间: 2009
期刊:
影响因子: --
作者:
K. Iohara;Y. Koga;Yoshiyuki Koga;Atsushi Ichino;Atsushi Ichino;Kazuo Matsuno;Kazuo Matsuno;M. Kawazoe and T. Takahashi;Takeshi Suzuki;Takeshi Suzuki;鈴木武史
通讯作者: 鈴木武史