A new approach to the Monge-Ampère eigenvalue problem
Fuente:
arXiv
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| Autores principales: | , |
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| Formato: | Preprint |
| Publicado: |
2025
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| _version_ | 1866912499848183808 |
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| author | Lu, Chinh H. Zeriahi, Ahmed |
| author_facet | Lu, Chinh H. Zeriahi, Ahmed |
| contents | We study the eigenvalue problem for the complex Monge-Ampère operator in bounded hyperconvex domains in $\C^n$, where the right-hand side is a non-pluripolar positive Borel measure. We establish the uniqueness of eigenfunctions in the finite energy class introduced by Cegrell, up to positive multiplicative constants, and provide a Rayleigh quotient type formula for computing the eigenvalue.
Under a natural continuity assumption on the measure, we further show that both the eigenvalue and eigenfunctions can be obtained via an iterative procedure starting from any negative finite energy function.
Our approach relies on the fine properties of plurisubharmonic envelopes, which allow a partial sublinearization of the nonlinear problem. As far as we know, this method is new, even in the linear case, and not only yields new results but also significantly simplifies existing arguments in the literature. Moreover, it extends naturally to the setting of complex Hessian operators.
Finally, by translating our results from the complex Monge-Ampère setting via a logarithmic transformation, we also obtain several interesting analogues for the real Monge-Ampère operator. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2507_18409 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | A new approach to the Monge-Ampère eigenvalue problem Lu, Chinh H. Zeriahi, Ahmed Complex Variables Analysis of PDEs 31C45, 2U15, 32U40, 32W20, 35J66, 35J96 We study the eigenvalue problem for the complex Monge-Ampère operator in bounded hyperconvex domains in $\C^n$, where the right-hand side is a non-pluripolar positive Borel measure. We establish the uniqueness of eigenfunctions in the finite energy class introduced by Cegrell, up to positive multiplicative constants, and provide a Rayleigh quotient type formula for computing the eigenvalue. Under a natural continuity assumption on the measure, we further show that both the eigenvalue and eigenfunctions can be obtained via an iterative procedure starting from any negative finite energy function. Our approach relies on the fine properties of plurisubharmonic envelopes, which allow a partial sublinearization of the nonlinear problem. As far as we know, this method is new, even in the linear case, and not only yields new results but also significantly simplifies existing arguments in the literature. Moreover, it extends naturally to the setting of complex Hessian operators. Finally, by translating our results from the complex Monge-Ampère setting via a logarithmic transformation, we also obtain several interesting analogues for the real Monge-Ampère operator. |
| title | A new approach to the Monge-Ampère eigenvalue problem |
| topic | Complex Variables Analysis of PDEs 31C45, 2U15, 32U40, 32W20, 35J66, 35J96 |
| url | https://arxiv.org/abs/2507.18409 |