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physics.chem-ph2025
Manning-type potential induced by kink scatterings with phonons in molecular chains with hyperbolic double-well substrates
Alain M. Dikande
A rescaled Manning potential is obtained in the analysis of scatterings of small- amplitude excitations with a kink defect. The generic model is a nonlinear Klein- Gordon Hamiltoni…
math.DG2025
Flat Convergence of Pushforwards of Rectifiable Currents Under Diffeomorphism Limits
Steéphane Tchuiaga
We study the action on currents and differential forms on compact Riemannian manifolds under -limits of diffeomorphisms. Using tools from geometric analysis, measure theory, a…
math.SG2025
Hofer-Like Geometry Revisited
Stéphane Tchuiaga
We prove a semidirect-product formula for the Hofer-like norm on the identity component \(G_ω(M)\) of the symplectic diffeomorphism group, expressing it as an infimum over the harm…