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Measure solutions to perturbed structured population models - differentiability with respect to perturbation parameter
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- معلومة اضافية
- الموضوع:
2018
- Collection:
ArXiv.org (Cornell University Library)
- نبذة مختصرة :
This paper is devoted to study measure solutions $\mu_t^h$ to perturbed nonlinear structured population models where $t$ denotes time and $h$ controlls the size of perturbation. We address differentiability of the map $h \mapsto \mu_t^h$. After showing that this type of results cannot be expected in the space of bounded Radon measures $\mathcal{M}(\mathbb{R}^+)$ equipped with the flat metric, we move to the slightly bigger spaces $Z = \overline{\mathcal{M}(\mathbb{R}^+)}^{(C^{1+\alpha})^*}$. We prove that when $\alpha > \frac{1}{2}$, the map $h \mapsto \mu_t^h$ is differentiable in $Z$. The proof exploits approximation scheme of a nonlinear problem from previous studies and is based on the iteration of an implicit integral equations obtained from study of the linear equation. The result shows that space $Z$ is a promising setting for optimal control of phenomena governed by such type of models. ; Comment: 42 pages + 13 pages of Appendix
- Relation:
http://arxiv.org/abs/1812.01747; Journal of Differential Equations, 268 (8), 4119-4182, 2020
- الرقم المعرف:
10.1016/j.jde.2019.10.024
- الرقم المعرف:
edsbas.9B652411
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