Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
1992-05-14
J.Math.Phys.34:286-304,1993
Physics
High Energy Physics
High Energy Physics - Theory
31 pages
Scientific paper
10.1063/1.530382
To the Yang-Baxter equation an additional relation can be added. This is the reflection equation which appears in various places, with or without spectral parameter. For example, in factorizable scattering on a half-line, integrable lattice models with non-periodic boundary conditions, non-commutative differential geometry on quantum groups, etc. We study two forms of spectral parameter independent reflection equations, chosen by the requirement that their solutions be comodules with respect to the quantum group coaction leaving invariant the reflection equations. For a variety of known solutions of the Yang-Baxter equation we give the constant solutions of the reflection equations. Various quadratic algebras defined by the reflection equations are also given explicitly.
Kulish Petr P.
Sasaki Rei
Schwiebert C.
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