TY - GEN AU - Gómez Rocha, María AU - Ruiz Arriola, Enrique PY - 2021 UR - http://hdl.handle.net/10481/73114 AB - We consider the 7r7r-scattering problem in the context of the Kadyshevsky equation. In this scheme, we introduce a momentum grid and provide an isospectral definition of the phase shift based on the spectral shift of a Chebyshev angle. We address the... LA - eng PB - Jagiellonian University TI - Renormalization group and scattering-equivalent Hamiltonians on a coarse momentum grid DO - 10.5506/APhysPolBSupp.14.101 ER -