An averaging principle for fast diffusions in domains separated by semi-permeable membranes
Artykuł w czasopiśmie
MNiSW
45
Lista A
Status: | |
Autorzy: | Bobrowski Adam, Kaźmierczak Bogdan, Kunze Markus |
Dyscypliny: | |
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Rok wydania: | 2017 |
Wersja dokumentu: | Drukowana | Elektroniczna |
Język: | angielski |
Numer czasopisma: | 4 |
Wolumen/Tom: | 27 |
Strony: | 663 - 706 |
Impact Factor: | 3,319 |
Web of Science® Times Cited: | 10 |
Scopus® Cytowania: | 10 |
Bazy: | Web of Science | Scopus |
Efekt badań statutowych | NIE |
Materiał konferencyjny: | NIE |
Publikacja OA: | NIE |
Abstrakty: | angielski |
We prove an averaging principle which asserts convergence of diffusion processes on domains separated by semi-permeable membranes, when diffusion coefficients tend to infinity while the flux through the membranes remains constant. In the limit, points in each domain are lumped into a single state of a limit Markov chain. The limit chain's intensities are proportional to the membranes' permeability and inversely proportional to the domains' sizes. Analytically, the limit is an example of a singular perturbation in which boundary and transmission conditions play a crucial role. This averaging principle is strongly motivated by recent signaling pathways models of mathematical biology, which are discussed toward the end of the paper. |