Monotonicity of the set of zeros of the Lyapunov exponent with respect to shift embeddings
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arXiv
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| Format: | Preprint |
| Veröffentlicht: |
2024
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| _version_ | 1866910615557111808 |
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| author | Safronov, Oleg |
| author_facet | Safronov, Oleg |
| contents | We consider the discrete Schrödinger operators with potentials whose values are read along the orbits of a shift of finite type. We study a certain subset of the collection of energies at which the Lyapunov exponent is zero and prove monotonicity of this set with respect to the shift embeddings. Then we introduce a certain function ${\mathcal J}(A,μ)$ determined by the position of these zeros and prove monotonicity of ${\mathcal J}(A,μ)$ with respect to embeddings. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2407_05373 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Monotonicity of the set of zeros of the Lyapunov exponent with respect to shift embeddings Safronov, Oleg Mathematical Physics 34L05 We consider the discrete Schrödinger operators with potentials whose values are read along the orbits of a shift of finite type. We study a certain subset of the collection of energies at which the Lyapunov exponent is zero and prove monotonicity of this set with respect to the shift embeddings. Then we introduce a certain function ${\mathcal J}(A,μ)$ determined by the position of these zeros and prove monotonicity of ${\mathcal J}(A,μ)$ with respect to embeddings. |
| title | Monotonicity of the set of zeros of the Lyapunov exponent with respect to shift embeddings |
| topic | Mathematical Physics 34L05 |
| url | https://arxiv.org/abs/2407.05373 |