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<p>In this paper, we consider the hyperbolic nonlinear Schrödinger equations (HNLS) on <InlineEquation ID="IEq3"> <EquationSource Format="TEX">\({\mathbb {R}}\times {\mathbb {T}}\)</EquationSource> <EquationSource Format="MATHML"><math> <mrow> <mi mathvariant="double-struck">R</mi> <mo>×</mo> <mi mathvariant="double-struck">T</mi> </mrow> </math></EquationSource> </InlineEquation>. We obtain the sharp local well-posedness up to the critical regularity for cubic nonlinearity and in critical spaces for higher odd nonlinearities. Moreover, when the initial data is small, we prove the global existence and scattering for the solutions to HNLS with higher nonlinearities (except the cubic one) in critical Sobolev spaces. The main ingredient of the proof is the sharp up to the endpoint local/global-in-time Strichartz estimates.</p>

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Hyperbolic nonlinear Schrödinger equations on \({\mathbb {R}}\times {\mathbb {T}}\)

  • 期刊论文

  • 发表日期：

    2025年11月7日

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  • Engin Başakoğlu,
  • Chenmin Sun,
  • Nikolay Tzvetkov,
  • Yuzhao Wang

摘要

In this paper, we consider the hyperbolic nonlinear Schrödinger equations (HNLS) on \({\mathbb {R}}\times {\mathbb {T}}\) R × T . We obtain the sharp local well-posedness up to the critical regularity for cubic nonlinearity and in critical spaces for higher odd nonlinearities. Moreover, when the initial data is small, we prove the global existence and scattering for the solutions to HNLS with higher nonlinearities (except the cubic one) in critical Sobolev spaces. The main ingredient of the proof is the sharp up to the endpoint local/global-in-time Strichartz estimates.