For any rational number p0 ≥ 1 we prove an identity of Rogers–Ramanujan– Gordon–Andrews ’ type. Bijection between the space of states for XXZ model and that of XXX model is constructed. 1
For any rational number p0≥1 we prove an identity of Rogers-Ramanujan-Gordon-Andrews' type. Bijection between the space of states for XXZ model and that of XXX model is constructed.
Completeness of Bethe's states for generalized XXZ model, II
For any rational number p0≥2 we prove an identity of Rogers-Ramanujan's type. Bijection between the space od states for XXZ model and that of XXX model is constructed
One-point functions for the XXZ model and Ramanujan's 1Ψ1 sum