Derivation of non-local conserved charges
Posted by Lohengramm, at physics.stackexchange.com,
Consider a 2D sigma model with a symmetry group $G$ and whose generators obey $$[T_A, T_B] = f^C_{AB} T_C$$ and whose conserved…
Non-local charges and quantum integrability of sigma models on the symmetric spaces SO(2n)/SO(n)×SO(n) and Sp(2n)/Sp(n)×Sp(n)
Overview of attention for article published in Physics Letters B, September 2004