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DTSTART;TZID=America/Los_Angeles:20181003T161500
DTEND;TZID=America/Los_Angeles:20181003T171500
DTSTAMP:20260504T080658
CREATED:20180928T164701Z
LAST-MODIFIED:20180928T164701Z
UID:834-1538583300-1538586900@colleges.claremont.edu
SUMMARY:Modeling Mechanisms of Ovulatory (Dys)Function (Erica Graham\, Bryn Mawr College)
DESCRIPTION:A normally functioning menstrual cycle requires significant crosstalk between hormones originating in ovarian and brain tissues. Reproductive hormone dysregulation may disrupt function and can lead to infertility\, as occurs in the common endocrine disorder polycystic ovarian syndrome (PCOS). In this talk\, I will discuss a mathematical model of the ovulatory cycle that accounts for mechanisms of ovarian testosterone production and explore insulin-mediated ovulatory dysfunction.  I will also explore additional model characteristics\, via bifurcations and parameter sensitivity\, and their respective clinical implications.
URL:https://colleges.claremont.edu/ccms/event/modeling-mechanisms-of-ovulatory-dysfunction-erica-graham-bryn-mawr-college/
LOCATION:Argue Auditorium\, Pomona College\, 610 N. College Ave.\, Claremont\, CA\, 91711\, United States
CATEGORIES:Colloquium
ORGANIZER;CN="Ali Nadim":MAILTO:ali.nadim@cgu.edu
GEO:34.0999157;-117.7142668
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DTSTART;TZID=America/Los_Angeles:20181010T041500
DTEND;TZID=America/Los_Angeles:20181010T171500
DTSTAMP:20260504T080658
CREATED:20180928T170449Z
LAST-MODIFIED:20181005T213928Z
UID:838-1539144900-1539191700@colleges.claremont.edu
SUMMARY:Applications of Cayley Digraphs to Waring's Problem and Sum-Product Formulas (Yesim Demiroglu\, Harvey Mudd)
DESCRIPTION:Abstract: In this talk\, we first present some elementary new proofs (using Cayley digraphs and spectral graph theory) for Waring’s problem over finite fields\, and explain how in the process of re-proving these results\, we obtain an original result that provides an analogue of Sarkozy’s theorem in the finite field setting (showing that any subset E of a finite field Fq for which |E| >  (qk)/sqrt{q – 1}must contain at least two distinct elements whose difference is a kth power). Once we have our results for finite fields\, we apply some classical mathematics to extend our Waring’s problem results to the context of general (not  necessarily commutative) finite rings. In the second half of our talk\, we present our sum-product results related to matrix rings over finite fields\, which can again be proven using Cayley digraphs and spectral graph theory in an efficient way.
URL:https://colleges.claremont.edu/ccms/event/yesim-demiroglu-harvey-mudd/
LOCATION:Argue Auditorium\, Pomona College\, 610 N. College Ave.\, Claremont\, CA\, 91711\, United States
CATEGORIES:Colloquium
ORGANIZER;CN="Ali Nadim":MAILTO:ali.nadim@cgu.edu
GEO:34.0999157;-117.7142668
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DTSTART;TZID=America/Los_Angeles:20181017T161500
DTEND;TZID=America/Los_Angeles:20181017T171500
DTSTAMP:20260504T080658
CREATED:20180904T171513Z
LAST-MODIFIED:20181001T150735Z
UID:499-1539792900-1539796500@colleges.claremont.edu
SUMMARY:Great Expectations (Matthew Junge\, Duke Univ.)
DESCRIPTION:The mean of a random quantity is supposed to confirm our expectations. What happens when it defies them? We will look at a few famous expected values; some old\, some new\, all great.
URL:https://colleges.claremont.edu/ccms/event/great-expectations/
LOCATION:Argue Auditorium\, Pomona College\, 610 N. College Ave.\, Claremont\, CA\, 91711\, United States
CATEGORIES:Colloquium
ORGANIZER;CN="Ali Nadim":MAILTO:ali.nadim@cgu.edu
GEO:34.0999157;-117.7142668
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BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20181024T161500
DTEND;TZID=America/Los_Angeles:20181024T171500
DTSTAMP:20260504T080658
CREATED:20180928T170717Z
LAST-MODIFIED:20181013T155440Z
UID:841-1540397700-1540401300@colleges.claremont.edu
SUMMARY:Isometric Circle Actions (Catherline Searle\, Wichita State)
DESCRIPTION:I will begin by describing a number of important examples of isometric actions of circles in Euclidean space and their restrictions to subspaces of Euclidean space. The goal of the talk will be to see how isometric actions of circles and tori can be used to “recognize” the space on which they are acting.
URL:https://colleges.claremont.edu/ccms/event/catherline-searle-wichita-state/
LOCATION:Argue Auditorium\, Pomona College\, 610 N. College Ave.\, Claremont\, CA\, 91711\, United States
CATEGORIES:Colloquium
ORGANIZER;CN="Ali Nadim":MAILTO:ali.nadim@cgu.edu
GEO:34.0999157;-117.7142668
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BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20181031T161500
DTEND;TZID=America/Los_Angeles:20181031T171500
DTSTAMP:20260504T080658
CREATED:20180928T171011Z
LAST-MODIFIED:20181025T210738Z
UID:845-1541002500-1541006100@colleges.claremont.edu
SUMMARY:Saving Bats from Fungal Diseases with Linear Algebra (Nina Fefferman\, U of Tennessee-Knoxville)
DESCRIPTION:Abstract: Bats in North America have been dying off due to the invasion of a fungal disease (White Nose Syndrome). In this talk\, I’ll present a very simple linear algebraic model to predict the magnitude of the die-offs. By comparing these models to some data about actual bat survival\, my collaborator and I also hypothesized that the disease might be causing rapid evolution in the bat populations and this could give some populations better hope of surviving. I’ll go through these models and show how the predictions they make are different from models that don’t include bat evolution. I’ll also talk a little about some of the intervention strategies that have been proposed to help bat populations survive\, and use these models to show how some of them might accidentally hurt rather than help\, if we don’t figure out whether the main impacts of disease are evolutionary or immunological first.
URL:https://colleges.claremont.edu/ccms/event/nina-fefferman-u-of-tennessee-knoxville/
LOCATION:Argue Auditorium\, Pomona College\, 610 N. College Ave.\, Claremont\, CA\, 91711\, United States
CATEGORIES:Colloquium
ORGANIZER;CN="Ali Nadim":MAILTO:ali.nadim@cgu.edu
GEO:34.0999157;-117.7142668
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