Nested Bethe ansatz for "all" closed spin chains

Understand

We present in an unified and detailed way the Nested Bethe Ansatz for closed spin chains based on Y(gl(n)), Y(gl(m|n)), U_q(gl(n)) or U_q(gl(m|n)) (super)algebras, with arbitrary representations (i.e.

• `spins') on each site of the chain.
• In particular, the case of indecomposable representations of superalgebras is studied.
• The construction extends and unifies the results already obtained for spin chains based on Y(gl(n)) or U_q(gl(n)) and for some particular super-spin chains.