On the characterization of the Dirichlet and Fucik spectra of the one-dimensional anisotropic p-Laplace operator
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arXiv
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| Format: | Preprint |
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2025
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| _version_ | 1866909630079172608 |
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| author | Horta, Raul Fernandes Montenegro, Marcos |
| author_facet | Horta, Raul Fernandes Montenegro, Marcos |
| contents | The paper is concerned with the Dirichlet spectrum $Λ^{a,b}_p(0,L)$ of the anisotropic $p$-Laplace operator $- Δ^{a,b}_{p}$ on an interval $(0,L)$ where
\[ Δ^{a,b}_p u:= \left(a^{p}[(u')^{+}]^{p-1}-b^{p}[(u')^{-}]^{p-1}\right)', \ \ a, b > 0. \] The set $Λ^{a,b}_p(0,L)$ and the respective eigenfunctions are completely characterized for $a \neq b$ in terms of the corresponding ones within the isotropic context. As an interesting application, we derive a new optimal Poincaré inequality that is stronger than the classical counterpart. The leading ideas are based on glue arguments of conveniently modified eigenfunctions and maximum type principles. More generally, our approach allows to characterize the Fu\v cík spectrum $Σ^{a,b}_p(0,L)$ of $- Δ^{a,b}_{p}$ on $(0,L)$ and mainly the corresponding solutions. All results are novelty even for the nonlinear operator $Δ^{a,b}_2$. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2501_10599 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | On the characterization of the Dirichlet and Fucik spectra of the one-dimensional anisotropic p-Laplace operator Horta, Raul Fernandes Montenegro, Marcos Spectral Theory Analysis of PDEs Classical Analysis and ODEs The paper is concerned with the Dirichlet spectrum $Λ^{a,b}_p(0,L)$ of the anisotropic $p$-Laplace operator $- Δ^{a,b}_{p}$ on an interval $(0,L)$ where \[ Δ^{a,b}_p u:= \left(a^{p}[(u')^{+}]^{p-1}-b^{p}[(u')^{-}]^{p-1}\right)', \ \ a, b > 0. \] The set $Λ^{a,b}_p(0,L)$ and the respective eigenfunctions are completely characterized for $a \neq b$ in terms of the corresponding ones within the isotropic context. As an interesting application, we derive a new optimal Poincaré inequality that is stronger than the classical counterpart. The leading ideas are based on glue arguments of conveniently modified eigenfunctions and maximum type principles. More generally, our approach allows to characterize the Fu\v cík spectrum $Σ^{a,b}_p(0,L)$ of $- Δ^{a,b}_{p}$ on $(0,L)$ and mainly the corresponding solutions. All results are novelty even for the nonlinear operator $Δ^{a,b}_2$. |
| title | On the characterization of the Dirichlet and Fucik spectra of the one-dimensional anisotropic p-Laplace operator |
| topic | Spectral Theory Analysis of PDEs Classical Analysis and ODEs |
| url | https://arxiv.org/abs/2501.10599 |