ROMP 92/3 Polska

Magnetic Neumann Laplacian on a domain with a hole
On construction of Darboux integrable discrete models
A categorical view on the principle of relativity
Gradient Gibbs measures of an SOS model with alternating magnetism on Cayley trees
Stackel representations of stationary KdV systems
Nonequilibrium thermodynamics as a symplectocontact reduction relative information entropy