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arXiv math/0202095math.QAmath-phmath.MP
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有边界和无边界可积系统的量子群对称性

Quantum group symmetry of integrable systems with or without boundary

E. Ragoucy

摘要:

从单个R-矩阵出发,或等价地从ZF代数出发,给出了无边界或有边界可积族的构造。我们给出了该族的哈密顿量和运动积分在ZF代数中的显式表达式。在无边界的情况下,运动积分构成一个量子群,而在有边界的情况下,运动积分构成该量子群的一个Hopf余理想子代数.

英文摘要:

We present a construction of integrable hierarchies without or with boundary, starting from a single R-matrix, or equivalently from a ZF algebra. We give explicit expressions for the Hamiltonians and the integrals of motion of the hierarchy in term of the ZF algebra. In the case without boundary, the integrals of motion form a quantum group, while in the case with boundary they form a Hopf coideal subalgebra of the quantum group.

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