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X-WR-CALDESC:Events for Claremont Center for the Mathematical Sciences
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DTSTART;TZID=America/Los_Angeles:20210125T150000
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DTSTAMP:20260403T142648
CREATED:20210112T173655Z
LAST-MODIFIED:20210112T174359Z
UID:2092-1611586800-1611590400@colleges.claremont.edu
SUMMARY:Applied math. talk: Minimization of the first nonzero eigenvalue problem for two-phase conductors with Neumann boundary conditions  by Chiu-Yen Kao\, CMC
DESCRIPTION:Abstract: We consider the problem of minimizing the first nonzero eigenvalue of an elliptic operator with Neumann boundary conditions with respect to the distribution of two conducting materials with a prescribed area ratio in a given domain. In one dimension\, we show monotone properties of the first nonzero eigenvalue with respect to various parameters and find the optimal distribution of two conducting materials on an interval under the assumption that the region that has lower conductivity is simply connected. On a rectangular domain in two dimensions\, we show that the strip configuration of two conducting materials can be a local minimizer. For general domains\, we propose a rearrangement algorithm to find the optimal distribution numerically. Many results on various domains are shown to demonstrate the efficiency and robustness of the algorithms. Topological changes of the optimal configurations are discussed on circles\, ellipses\, annuli\, and L-shaped domains.
URL:https://colleges.claremont.edu/ccms/event/applied-math-talk-minimization-of-the-first-nonzero-eigenvalue-problem-for-two-phase-conductors-with-neumann-boundary-conditions-by-chiu-yen-kao-cmc/
LOCATION:Zoom meeting\, United States
CATEGORIES:Applied Math Seminar
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DTSTART;TZID=America/Los_Angeles:20210127T161500
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DTSTAMP:20260403T142648
CREATED:20210116T015906Z
LAST-MODIFIED:20210116T015950Z
UID:2132-1611764100-1611767700@colleges.claremont.edu
SUMMARY:CCMS Field Meeting
DESCRIPTION:Hosted by David Bachman.  This is a time for us to welcome each other back from break\, share any news relevant to mathematics in Claremont\, and break out into smaller discipline-specific groups to coordinate future course rotations.
URL:https://colleges.claremont.edu/ccms/event/ccms-field-meeting/
LOCATION:Zoom
CATEGORIES:Colloquium
ORGANIZER;CN="Andrew Bernoff":MAILTO:ajb@hmc.edu
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