On the global regularity of subcritical Euler–Poisson equations with pressure

Eitan Tadmor; Dongming Wei

Journal of the European Mathematical Society (2008)

  • Volume: 010, Issue: 3, page 757-769
  • ISSN: 1435-9855

Abstract

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We prove that the one-dimensional Euler–Poisson system driven by the Poisson forcing together with the usual γ -law pressure, γ 1 , admits global solutions for a large class of initial data. Thus, the Poisson forcing regularizes the generic finite-time breakdown in the 2 × 2 p -system. Global regularity is shown to depend on whether or not the initial configuration of the Riemann invariants and density crosses an intrinsic critical threshold.

How to cite

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Tadmor, Eitan, and Wei, Dongming. "On the global regularity of subcritical Euler–Poisson equations with pressure." Journal of the European Mathematical Society 010.3 (2008): 757-769. <http://eudml.org/doc/277239>.

@article{Tadmor2008,
abstract = {We prove that the one-dimensional Euler–Poisson system driven by the Poisson forcing together with the usual $\gamma $-law pressure, $\gamma \ge 1$, admits global solutions for a large class of initial data. Thus, the Poisson forcing regularizes the generic finite-time breakdown in the $2\times 2$$p$-system. Global regularity is shown to depend on whether or not the initial configuration of the Riemann invariants and density crosses an intrinsic critical threshold.},
author = {Tadmor, Eitan, Wei, Dongming},
journal = {Journal of the European Mathematical Society},
keywords = {Euler–Poisson equations; Riemann Invariants; critical thresholds; global regularity; Euler-Poisson equations; Riemann invariants; critical thresholds; global regularity},
language = {eng},
number = {3},
pages = {757-769},
publisher = {European Mathematical Society Publishing House},
title = {On the global regularity of subcritical Euler–Poisson equations with pressure},
url = {http://eudml.org/doc/277239},
volume = {010},
year = {2008},
}

TY - JOUR
AU - Tadmor, Eitan
AU - Wei, Dongming
TI - On the global regularity of subcritical Euler–Poisson equations with pressure
JO - Journal of the European Mathematical Society
PY - 2008
PB - European Mathematical Society Publishing House
VL - 010
IS - 3
SP - 757
EP - 769
AB - We prove that the one-dimensional Euler–Poisson system driven by the Poisson forcing together with the usual $\gamma $-law pressure, $\gamma \ge 1$, admits global solutions for a large class of initial data. Thus, the Poisson forcing regularizes the generic finite-time breakdown in the $2\times 2$$p$-system. Global regularity is shown to depend on whether or not the initial configuration of the Riemann invariants and density crosses an intrinsic critical threshold.
LA - eng
KW - Euler–Poisson equations; Riemann Invariants; critical thresholds; global regularity; Euler-Poisson equations; Riemann invariants; critical thresholds; global regularity
UR - http://eudml.org/doc/277239
ER -

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