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DTSTART;TZID=America/Los_Angeles:20201005T150000
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SUMMARY:Applied Math Talk: Multiwavelet discontinuous Galerkin methods and automated parameters for troubled cell indication given by Professor  Jennifer Ryan (Colorado School of Mines)
DESCRIPTION:This talk focuses on using a multiwavelet representation of the discontinuous Galerkin (DG) approximation for trouble cell indication. The multiwavelet representation is related to the jumps in the (derivatives of) the DG approximation. We then compare this indicator with other\, more established indicators as well as machine learning approaches and demonstrate that it is possible to choose the parameters for troubled cell indicators automatically and appropriately.
URL:https://colleges.claremont.edu/ccms/event/applied-math-talk-multiwavelet-discontinuous-galerkin-methods-and-automated-parameters-for-troubled-cell-indication-given-by-professor-jennifer-ryan-colorado-school-of-mines/
LOCATION:CA
CATEGORIES:Applied Math Seminar
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DTSTART;TZID=America/Los_Angeles:20201012T150000
DTEND;TZID=America/Los_Angeles:20201012T160000
DTSTAMP:20260516T200246
CREATED:20200128T064845Z
LAST-MODIFIED:20200831T232357Z
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SUMMARY:Applied Math Talk: Bounded-confidence models for opinion dynamics on online social networks given by Professor Heather Zinn Brooks (HMC)
DESCRIPTION:Online social media networks have become extremely influential sources of news and information. Given the large audience and the ease of sharing content online\, the content that spreads on online social networks can have important consequences on public opinion\, policy\, and voting. To better understand the online content spread\, mathematical modeling of opinion dynamics is becoming an increasingly popular field of study. In this talk\, I will introduce you to a special class of models of opinion dynamics on networks called bounded-confidence models. I will then discuss some of the applications and theory that my collaborators and I have been developing with these models\, including the impact of media\, opinion dissemination\, mean-field dynamics\, and extensions to hypergraphs and multilayer networks. This talk will also include some unsolved questions for future work.
URL:https://colleges.claremont.edu/ccms/event/applied-math-talk-given-by-heather-zinn-ucla/
LOCATION:CA
CATEGORIES:Applied Math Seminar
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DTSTART;TZID=America/Los_Angeles:20201026T150000
DTEND;TZID=America/Los_Angeles:20201026T160000
DTSTAMP:20260516T200246
CREATED:20200128T182630Z
LAST-MODIFIED:20201016T000308Z
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SUMMARY:Applied Math Talk: Thin liquid film resulting from a distributed source on a vertical wall given by Yadong Ruan (CGU)
DESCRIPTION:In this talk\, we will talk about the thin film model derived for liquid film resulting from a distributed source on a vertical wall and some distinct properties about the model. We will discuss the different behavior and properties of the model with and without considering surface tension. When the surface tension is neglected\, a critical source strength is found below which the film flows entirely upward due to the airflow\, and above which some of the flow is carried downward by gravity. In both cases\, a steady state is established over the region where the finite source is located. The presence of surface tension\, even when small\, causes a dramatic change in the film profiles and the speed and structure of the shock waves. These are studied in more detail by examining the traveling wave solutions away from the source region.
URL:https://colleges.claremont.edu/ccms/event/applied-math-talk-given-by-yadong-ruan-cgu/
LOCATION:CA
CATEGORIES:Applied Math Seminar
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