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DTSTART;TZID=America/Los_Angeles:20211108T161500
DTEND;TZID=America/Los_Angeles:20211108T171500
DTSTAMP:20260407T031644
CREATED:20210908T230638Z
LAST-MODIFIED:20211108T182044Z
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SUMMARY:Applied Math Seminar -- Sara Clifton (St. Olaf College)
DESCRIPTION:Title: Understanding Complex Social Systems using Minimal Mathematical Models \nAbstract: \nMinimal mathematical models are used to understand complex phenomena in the physical\, biological\, and social sciences. This modeling philosophy never claims\, nor even attempts\, to fully capture the mechanisms underlying the phenomena\, and instead offers insights and predictions not otherwise possible. Here\, we explore minimal dynamical systems models to understand several complex social phenomena\, including the profit-driven abandonment of restaurant tipping\, the public health tradeoffs of e-cigarettes\, and the progression of women through professional hierarchies. Because of their simplicity\, these models offer new connections between existing fields\, give optimal solutions with limited data\, and provide qualitative predictions of future events.
URL:https://colleges.claremont.edu/ccms/event/applied-math-seminar-sara-clifton-st-olaf-college/
LOCATION:Emmy Noether Room\, Estella 1021\, Pomona College\,\, 610 N. College Ave.\, Claremont\, CA\, 91711\, United States
CATEGORIES:Applied Math Seminar
ORGANIZER;CN="Maryann Hohn":MAILTO:Maryann.Hohn@pomona.edu
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DTSTART;TZID=America/Los_Angeles:20211109T123000
DTEND;TZID=America/Los_Angeles:20211109T132000
DTSTAMP:20260407T031644
CREATED:20210825T201712Z
LAST-MODIFIED:20211101T172659Z
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SUMMARY:The Chow ring of heavy/light Hassett spaces via tropical geometry (Dagan Karp\, HMC)
DESCRIPTION:Hassett spaces in genus 0 are moduli spaces of weighted pointed stable rational curves; they are important in the minimal model program and enumerative geometry. We compute the Chow ring of heavy/light Hassett spaces. The computation involves intersection theory on the toric variety corresponding to a graphic matroid\, and rests upon the work of Cavalieri-Hampe-Markwig-Ranganathan. This is joint work with Siddarth Kannan and Shiyue Li.
URL:https://colleges.claremont.edu/ccms/event/antc-seminar-dagan-karp-hmc/
LOCATION:On Zoom
CATEGORIES:Algebra / Number Theory / Combinatorics Seminar
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DTSTART;TZID=America/Los_Angeles:20211110T163000
DTEND;TZID=America/Los_Angeles:20211110T174500
DTSTAMP:20260407T031644
CREATED:20210926T203309Z
LAST-MODIFIED:20210926T224934Z
UID:2391-1636561800-1636566300@colleges.claremont.edu
SUMMARY:Projections on Banach spaces and a lifting property of operators (Prof. Botelho)
DESCRIPTION:Title: Projections on Banach spaces and a lifting property of operators \nProf. Maria Fernanda Botelho\nDepartment of Mathematical Sciences\nThe University Of Memphis \nAbstract: In this talk I will present properties of contractive projections and explain their role in the existence of norm preserving lifts of operators. A pair of Banach spaces (X\, J)\, with J a closed subspace of X\, has the quotient lifting property (QLP) iff for every space Y and S ∈ L(Y\, X/J)\, there is Ŝ  ∈ L(Y\, X)such that S = π ◦ Ŝ\, where π denotes the quotient map from X onto X/J. This property was motivated by Lindenstrauss and Tzafriri lifting property for Banach spaces. \nA pair of Banach spaces (X\,J) has the QLP iff J is the kernel of a contractive projection on X. Several illustrative examples will be discussed. \n\n\n\n  \nBio-Sketch for Fernanda Botelho: \nI am a full professor in the Department of Mathematical Sciences at the University of Memphis. I earned a Doctor of Philosophy degree in Mathematics from the University of California at Berkeley and I did my undergraduate studies at the Universidade do Porto\, Portugal.  \nMy main research interest is in Operator Theory and Functional Analysis. I have authored and co-authored more than 80 research articles. I was a Donavant Professor in 2013-2016.  I have been the coordinator for the Mathematical Sciences Graduate Programs since 2015. \nI participated and organized several conferences\, funded by the National Sciences Foundation and in collaboration with the Association for Women in Mathematics. I have served in programs geared to high school teachers and the professional training  of graduate assistants. 
URL:https://colleges.claremont.edu/ccms/event/projections-on-banach-spaces-and-a-lifting-property-of-operators-prof-botelho/
LOCATION:Zoom
CATEGORIES:Colloquium
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