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hep-th2000★ 16 cited
Hidden Virasoro Symmetry of (Soliton Solutions of) the Sine Gordon Theory
D. Fioravanti, M. Stanishkov
We present a construction of a Virasoro symmetry of the sine-Gordon (SG) theory. It is a dynamical one and has nothing to do with the space-time Virasoro symmetry of 2D CFT. Althou…
hep-th2000★ 8 cited
Hidden local, quasi-local and non-local Symmetries in Integrable Systems
Davide Fioravanti, Marian Stanishkov
The knowledge of {\it non usual} and sometimes {\it hidden} symmetries of (classical) integrable systems provides a very powerful setting-out of solutions of these models. Primaril…