Abstract
In this paper, we study the bifurcation problem from a line soliton for a stationary nonlinear Schrödinger equation on the product space \({\mathbb {R}}\times {\mathbb {T}}\). We extend earlier results to a larger class of the nonlinearity in the equation. The salient point of our analysis relies on a lower bound of solution to the “auxiliary equation” and then on the application of the Crandall–Rabinowitz argument.
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Acknowledgements
TA was supported by JSPS KAKENHI Grant Number (20K03697). YB was supported by PIMS grant and NSERC grant (371637-2019). SI was supported by NSERC grant (371637-2019). HK was supported by JSPS KAKENHI Grant Number JP20K03706.
Funding
Canadian Network for Research and Innovation in Machining Technology, Natural Sciences and Engineering Research Council of Canada (371637-2019).
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Communicated by Claude-Alain Pillet.
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Akahori, T., Bahri, Y., Ibrahim, S. et al. Pitchfork Bifurcation at Line Solitons for Nonlinear Schrödinger Equations on the Product Space \({\mathbb {R}}\times {\mathbb {T}}\). Ann. Henri Poincaré (2023). https://doi.org/10.1007/s00023-023-01370-6
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DOI: https://doi.org/10.1007/s00023-023-01370-6