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- W4375958093 abstract "The use of nonlinear PDEs has led to significant advancements in various fields, such as physics, biology, ecology, and quantum mechanics. However, finding multiple solutions for nonlinear PDEs can be a challenging task, especially when suitable initial guesses are difficult to obtain. In this paper, we introduce a novel approach called the Companion-Based Multilevel finite element method (CBMFEM), which can efficiently and accurately generate multiple initial guesses for solving nonlinear elliptic semi-linear equations with polynomial nonlinear terms using finite element methods with conforming elements. We provide a theoretical analysis of the error estimate of finite element methods using an appropriate notion of isolated solutions, for the nonlinear elliptic equation with multiple solutions and present numerical results obtained using CBMFEM which are consistent with the theoretical analysis." @default.
- W4375958093 created "2023-05-10" @default.
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- W4375958093 date "2023-05-06" @default.
- W4375958093 modified "2023-10-18" @default.
- W4375958093 title "Companion-Based Multi-Level Finite Element Method for Computing Multiple Solutions of Nonlinear Differential Equations" @default.
- W4375958093 doi "https://doi.org/10.48550/arxiv.2305.04162" @default.
- W4375958093 hasPublicationYear "2023" @default.
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