A quick guide to ordinary state-dependent delay differential equations
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arXiv
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| Format: | Preprint |
| Published: |
2024
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| _version_ | 1866909367818780672 |
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| author | Aigner, Bernhard Waurick, Marcus |
| author_facet | Aigner, Bernhard Waurick, Marcus |
| contents | We review $H^{1}$-well-posedness for initial value problems of ordinary differential equations with state-dependent right-hand side. We streamline known approaches to infer existence and uniqueness of solutions for small times given a Lipschitz-continuous prehistory. The paramount feature is a reduction of the differential equation to a fixed point problem that admits a unique solution appealing to the contraction mapping principle. The use of exponentially weighted Sobolev spaces in this endeavor proves to be as powerful as for ordinary differential equations without delay. Our result includes a blow-up criterium for global existence of solutions. The discussion of well-posedness is concluded by new results covering continuous dependence on initial prehistories and on the right-hand sides. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2410_20613 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | A quick guide to ordinary state-dependent delay differential equations Aigner, Bernhard Waurick, Marcus Classical Analysis and ODEs We review $H^{1}$-well-posedness for initial value problems of ordinary differential equations with state-dependent right-hand side. We streamline known approaches to infer existence and uniqueness of solutions for small times given a Lipschitz-continuous prehistory. The paramount feature is a reduction of the differential equation to a fixed point problem that admits a unique solution appealing to the contraction mapping principle. The use of exponentially weighted Sobolev spaces in this endeavor proves to be as powerful as for ordinary differential equations without delay. Our result includes a blow-up criterium for global existence of solutions. The discussion of well-posedness is concluded by new results covering continuous dependence on initial prehistories and on the right-hand sides. |
| title | A quick guide to ordinary state-dependent delay differential equations |
| topic | Classical Analysis and ODEs |
| url | https://arxiv.org/abs/2410.20613 |