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<p>In this paper, we consider a non-local elliptic-hyperbolic system related to the short pulse equation. It is a model which describes the evolution of the electrical field of linearly polarized continuum spectrum pulses in optical waveguides, including fused-silica telecommunication-type or photonic-crystal fibers, as well as hollow capillaries filled with transparent gases. We prove that the solution of a non-local elliptic-hyperbolic system related to the short pulse equation converges to the unique entropy one of the short pulse equation. The proof relies on deriving suitable a priori estimates together with an application of the compensated compactness method in the <InlineEquation ID="IEq1"> <EquationSource Format="TEX">\(L^p\)</EquationSource> <EquationSource Format="MATHML"><math> <msup> <mi>L</mi> <mi>p</mi> </msup> </math></EquationSource> </InlineEquation> setting.</p>

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Convergence result for the short pulse equation

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2026年1月6日

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  • Giuseppe Maria Coclite,
  • Lorenzo di Ruvo

摘要

In this paper, we consider a non-local elliptic-hyperbolic system related to the short pulse equation. It is a model which describes the evolution of the electrical field of linearly polarized continuum spectrum pulses in optical waveguides, including fused-silica telecommunication-type or photonic-crystal fibers, as well as hollow capillaries filled with transparent gases. We prove that the solution of a non-local elliptic-hyperbolic system related to the short pulse equation converges to the unique entropy one of the short pulse equation. The proof relies on deriving suitable a priori estimates together with an application of the compensated compactness method in the \(L^p\) L p setting.