Reports on Mathematical Physics 89 nr 2/2022

Signature-causality reflection in an imperfect fluid with vorticity generated by tetrad Abelian gauge transformations
An unbounded generalization of Tomita's observable algebras
Bargmann representation of quantum absorption refrigerators
Solutions to integrable space-time sfifted nonlocal equations
Solutions of the Hamilton equations for time-dependent Hamiltonian systems by means of solvable Lie algebras of symmetries
Bidimensional honeycomb materials: a graph model through Dirac operator
On the far field patterns for electromagnetic scattering in two dimensions