Abstract
In this chapter, we discuss the maximum principle for the linear equation and the sign-changing solutions of the semilinear equation with the Higgs potential. Numerical simulations indicate that the bubbles for the semilinear Klein–Gordon equation in the de Sitter spacetime are created and apparently exist for all times.
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Acknowledgements
The authors acknowledge the Texas Advanced Computing Center (TACC) at the University of Texas at Austin for providing high-performance computing and visualization resources that have contributed to the research results reported within this paper. URL: http://www.tacc.utexas.edu. We also gratefully acknowledge the support of NVIDIA Corporation with the donation of the Tesla K40 GPU used for this research. K.Y. was supported by the University of Texas Rio Grande Valley College of Sciences 2016–17 Research Enhancement Seed Grant.
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Yagdjian, K., Balogh, A. (2019). The Maximum Principle and Sign-Changing Solutions of the Klein–Gordon Equation with the Higgs Potential in the de Sitter Spacetime. In: Lindahl, K., Lindström, T., Rodino, L., Toft, J., Wahlberg, P. (eds) Analysis, Probability, Applications, and Computation. Trends in Mathematics(). Birkhäuser, Cham. https://doi.org/10.1007/978-3-030-04459-6_36
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