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Entropy solutions of non-local scalar conservation laws with congestion via deterministic particle method

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arxiv 2107.10760 v2 pith:ARLHLBCL submitted 2021-07-22 math.AP cs.NAmath.NA

classification math.APcs.NAmath.NA
keywords congestionconservationdeterministicentropylawsnon-localparticlescalar
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We develop deterministic particle schemes to solve non-local scalar conservation laws with congestion. We show that the discrete approximations converge to the unique entropy solution with an explicit rate of convergence under more general assumptions that the existing literature: the velocity fields are less regular (in particular the interaction force can have a discontinuity at the origin) with no prescribed attractive/repulsive regime and the mobility can have unbounded support. We complement our results with some numerical simulations, among which we show the applicability of the schemes to the multi-species setting.

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  1. The Cauchy Problem for Symmetric Hyperbolic Systems with Nonlocal Potentials

    math.AP 2025-07 conditional novelty 7.0 of 10

    Under smallness and decay conditions on nonlocal potentials, symmetric hyperbolic systems on curved spacetimes admit strong solutions to the Cauchy problem, with a sharp threshold beyond which solutions fail.

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