968 citations
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5 papers · 1 filter
Quantum group symmetry of integrable models on the half-line
Gustav W Delius, Alan George
This contribution to the Proceedings of the Workshop on Integrable Theories, Solitons and Duality in Sao Paulo in July 2002 summarizes results from the papers hep-th/0112023 and ma…
Diophantine approximation and the solubility of the Schroedinger equation
Simon Kristensen
We characterise the set of periods for which number theoretical obstructions prevent us from finding periodic solutions of the Schroedinger equation on a two dimensional torus as w…
Semigroups of left quotients: existence, straightness and locality
Victoria Gould
A subsemigroup S of a semigroup Q is a local left order in Q if, for every maximal subgroup H of Q, the intersection of S with H is a local left order in the sense of group theory.…
Semigroups of left quotients - the layered approach
Victoria Gould
A subsemigroup S of a semigroup Q is a left order in Q and Q is a semigroup of left quotients of S if every element of Q can be expressed as a# b where a and b are elements of S an…
Representations of twisted Yangians associated with skew Young diagrams
Maxim Nazarov
Let be one of the complex Lie groups and . The irreducible finite-dimensional representations of the group are labeled by partitions satisfying certain…