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math.AP2026
A model of a multiphase medium based on the closure of moment chains for the Vlasov-Poisson equations
Olga S. Rozanova
We propose a method for closing moment chains for the Vlasov-Poisson kinetic system (the Landau fluid model), which yields a hyperbolic system of equations at each subsequent step.…
math.AP2026
Euler-Poisson equations with velocity-dependent damping
Olga S. Rozanova
We consider repulsive Euler-Poisson equations in both one-dimensional space and in the multidimensional case with radial symmetry, assuming a power-law velocity-dependent damping c…