Spreading speeds of nonlocal KPP equations in heterogeneous media

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February 25, 2021
9:00AM - 10:00AM
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Online: Zoom info below

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Add to Calendar 2021-02-25 09:00:00 2021-02-25 10:00:00 Spreading speeds of nonlocal KPP equations in heterogeneous media Speaker:  Tao Zhou (University of Science and Technology of China) Title:  Spreading speeds of nonlocal KPP equations in heterogeneous media Abstract:  This talk mainly concerns the asymptotic behavior of the solution to nonlocal Fisher-KPP type reaction diffusion equations in heterogeneous media. The kernel K is assumed to depend on the media. First, we give an estimate of the upper and lower spreading speeds by generalized principal eigenvalues. Second, we prove the existence of spreading speeds in the case where the media is periodic or almost periodic by showing that the upper and lower generalized principal eigenvalues are equal. URL associated with Seminar https://research.math.osu.edu/pde/ Additional Dates &/or Times Zoom Link: https://osu.zoom.us/j/6146883919?pwd=M2hHVnFaMjVMb1pYT2FFZGdEVDIwdz09 Meeting ID: 6146883919 Password: 314159 Location Zoom ID 6146883919 / Password 314159 Online: Zoom info below Department of Mathematics math@osu.edu America/New_York public
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Speaker:  Tao Zhou (University of Science and Technology of China)

Title:  Spreading speeds of nonlocal KPP equations in heterogeneous media

Abstract:  This talk mainly concerns the asymptotic behavior of the solution to nonlocal Fisher-KPP type reaction diffusion equations in heterogeneous media. The kernel K is assumed to depend on the media. First, we give an estimate of the upper and lower spreading speeds by generalized principal eigenvalues. Second, we prove the existence of spreading speeds in the case where the media is periodic or almost periodic by showing that the upper and lower generalized principal eigenvalues are equal.

URL associated with Seminar
https://research.math.osu.edu/pde/

Additional Dates &/or Times
Zoom Link: https://osu.zoom.us/j/6146883919?pwd=M2hHVnFaMjVMb1pYT2FFZGdEVDIwdz09
Meeting ID: 6146883919
Password: 314159

Location
Zoom ID 6146883919 / Password 314159

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