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DTSTART;TZID=America/Los_Angeles:20200302T161500
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DTSTAMP:20260415T024722
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SUMMARY:Applied Math Talk: Approaches to modeling dispersal and swarm behavior at multiple scales given by Prof. Christopher Strickland ( The University of Tennessee\, Knoxville)
DESCRIPTION:Biological invasions often have outsized consequences for the invaded ecosystem and represent an interesting challenge to model mathematically. Landscape heterogeneity\, non-local or time-dependent spreading mechanisms\, coarse data\, and air or water flow transport are but a few of the complications that can greatly affect our understanding of small organism movement – a critical component of both invasion success and the ability of native organisms to persist at a location. In this talk\, I will look at dispersal and swarm behavior from a multi-scale\, mathematical perspective in order to address some of these challenges. \nConsidering the problem of long-distance dispersal\, I will discuss a method for modeling invasive spread over large\, heterogeneous landscapes by interpreting the quantity of interest as the probability of species occurrence rather than population size. On large scales\, one can also take advantage of ecological niche modeling approaches in order to reduce the dimensionality of data quantifying landscape heterogeneity. I will then shift focus to the initial stages of an invasion and concentrate on the local- and meso-scale by considering the intentional release of a parasitoid wasp biocontrol agent. In this case\, we can utilize a Bayesian framework and maximum likelihood estimation to parameterize the model based on proxy time-series data collected in the field. Finally\, I will describe some of my current work close to the microscale examining the dynamics of organism movement and behavior with respect to a surrounding fluid environment.
URL:https://colleges.claremont.edu/ccms/event/applied-math-talk-given-by-prof-christina-edholm-scripps-college/
LOCATION:Emmy Noether Room\, Millikan 1021\, Pomona College\, 610 N. College Ave.\, Claremont\, California\, 91711
CATEGORIES:Applied Math Seminar
GEO:34.099908;-117.7142522
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END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20200303T121500
DTEND;TZID=America/Los_Angeles:20200303T131000
DTSTAMP:20260415T024722
CREATED:20200203T174750Z
LAST-MODIFIED:20200227T042826Z
UID:1851-1583237700-1583241000@colleges.claremont.edu
SUMMARY:Graph coloring reconfiguration systems (Prateek Bhakta\, University of Richmond)
DESCRIPTION:For k >= 2\, the k-coloring graph C(G) of a base graph G has a vertex set consisting of the proper k-colorings of G with edges connecting two vertices corresponding to two different colorings of G if those two colorings differ in the color assigned to a single vertex of G. A base graph whose k-coloring graph is connected is called k-mixing; here it is possible to reconfigure a particular k-coloring of G to any other k-coloring of G by changing the color of one vertex at a time in the assignment while maintaining that each intermediate step is a proper k-coloring. We explore the connectivity and biconnectivity of coloring graphs with a focus on the inverse problem: given a graph H\, is H the k coloring graph of some base graph G for some k?
URL:https://colleges.claremont.edu/ccms/event/antc-talk-by-prateek-bhaktaw-university-of-richmond/
LOCATION:Emmy Noether Room\, Millikan 1021\, Pomona College\, 610 N. College Ave.\, Claremont\, California\, 91711
CATEGORIES:Algebra / Number Theory / Combinatorics Seminar
GEO:34.099908;-117.7142522
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END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20200304T161500
DTEND;TZID=America/Los_Angeles:20200304T171500
DTSTAMP:20260415T024722
CREATED:20190830T194342Z
LAST-MODIFIED:20200227T181351Z
UID:1443-1583338500-1583342100@colleges.claremont.edu
SUMMARY:Christopher Strickland: Modeling the prescription opioid epidemic
DESCRIPTION:Opioid addiction has become a national health crisis in recent years\, with involvement in 66% of all drug overdose deaths in 2016 and high economic costs. In contrast to the dynamics of a classic disease or illicit drug epidemic\, opioid addiction has its roots in legal\, prescription medication – a fact which greatly increases the exposed population and mathematically suggests non-contact based routes of infection. \nIn this talk\, I will present a first epidemic model for opioid addiction and treatment. Through analysis of our model\, we show that existence of an addiction-free equilibrium requires transforming the opioid dynamics into that of a purely illicit drug epidemic and that lacking prescription-induced addiction\, the prescription drug epidemic may not be self-sustaining. Numerical analysis suggests specific targets for control. Following this\, I will present preliminary results from a new model that examines the role of heroin and fentanyl on the epidemic in the context of data from the state of Tennessee. These results include a strong fit between model and data\, and among other conclusions\, suggest that an epidemic involving powerful\, illicit opioids is now both self-sustaining and strongly on the rise despite a decline in prescription-based addictions. \n \n 
URL:https://colleges.claremont.edu/ccms/event/tba-17/
LOCATION:Freeberg Forum\, LC 62\, Kravis Center\, CMC
CATEGORIES:Colloquium
ORGANIZER;CN="Blerta Shtylla":MAILTO:shtyllab@pomona.edu
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20200307T100000
DTEND;TZID=America/Los_Angeles:20200307T120000
DTSTAMP:20260415T024722
CREATED:20200218T012319Z
LAST-MODIFIED:20200218T012319Z
UID:1875-1583575200-1583582400@colleges.claremont.edu
SUMMARY:GEMS Workshop: The Mathematics of Reapportionment and Census Data with Professor Adolfo Rumbos of Pomona College
DESCRIPTION:TOPIC: The Mathematics of Reapportionment and Census Data \nEvery ten years\, the United States Census Bureau conducts a count of all persons living in the United States; one of those population counts will be carried out this year (2020). This Census is mandated by the US Constitution; it counts all people residing in the United States\, regardless of citizenship or immigration status. The data collected from the Census are used to make sure that everyone is equally represented in our political system and that government resources are allocated fairly. For instance\, Census counts are used to determine how many congressional seats a state receives. This is known as reapportionment. In this workshop we explore the Mathematics of reapportionment. If time permits\, we also explore how statistical sampling can be used to estimate population sizes. \nWHAT IS GEMS: \nThe Gateway to Exploring Mathematics program (GEMS) is a series of workshops that helps excite the interests and curiosity of young students in mathematics and science \nGEMS meets once a month on a Saturday morning from 10:00 AM to 12:00 PM \nGEMS is designed to reach 8th\, 9th and 10th grade students who have an interest in mathematics and science \nParticipants interact with excellent and award winning faculty\, staff\, students and alumni from each of the seven Claremont Colleges \nSPRING 2020 DATES: \nFebruary 1\, 2020 \nMarch 7\, 2020 \nApril 18\, 2020 \nREGISTRATION: \nTo register for our March 7th worshop\, please click on the following link: \nhttps://docs.google.com/forms/d/e/1FAIpQLScDQukTH3LQvpAq_IYysKKol6O4i-ORptv7IbU9lRBWgzYmhA/viewform?usp=pp_url \nANY QUESTIONS: \nPlease contact our 2019-2020 GEMS coordinator\, Josh Kiernan at joshua.kiernan@cgu.edu
URL:https://colleges.claremont.edu/ccms/event/gems-workshop-the-mathematics-of-reapportionment-and-census-data-with-professor-adolfo-rumbos-of-pomona-college/
LOCATION:Shanahan 1480\, Harvey Mudd College\, 301 Platt Blvd.\, Claremont\, CA\, 91711\, United States
CATEGORIES:GEMS
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20200309T161500
DTEND;TZID=America/Los_Angeles:20200309T171500
DTSTAMP:20260415T024722
CREATED:20191205T210642Z
LAST-MODIFIED:20200306T231655Z
UID:1684-1583770500-1583774100@colleges.claremont.edu
SUMMARY:(Cancelled!!) Applied Math Talk: Stable planar vegetation stripe patterns on sloped terrain in dryland ecosystems given by Prof. Paul Carter (University of Minnesota)
DESCRIPTION:In water-limited regions\, competition for water resources results in the formation of vegetation patterns; on sloped terrain\, one finds that the vegetation typically aligns in stripes or arcs. The dynamics of these patterns can be modeled by reaction-diffusion PDEs describing the interplay of vegetation and water resources\, where sloped terrain is modeled through advection terms representing the downhill flow of water. We focus on one such model in the ‘large-advection’ limit\, and we prove the existence of traveling planar stripe patterns using analytical and geometric techniques. We also discuss implications for the stability of the resulting patterns\, as well as the appearance of curved stripe solutions.
URL:https://colleges.claremont.edu/ccms/event/applied-math-talk-given-by-prof-paul-carter-university-of-minnesota/
LOCATION:Emmy Noether Room\, Millikan 1021\, Pomona College\, 610 N. College Ave.\, Claremont\, California\, 91711
CATEGORIES:Applied Math Seminar
GEO:34.099908;-117.7142522
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END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20200310T121500
DTEND;TZID=America/Los_Angeles:20200310T131000
DTSTAMP:20260415T024722
CREATED:20200203T200943Z
LAST-MODIFIED:20200305T021333Z
UID:1856-1583842500-1583845800@colleges.claremont.edu
SUMMARY:Finding bases of new infinite dimensional representations of $\mathfrak{osp}(1|2n)$ ( Dwight Williams\, UT Arlington)
DESCRIPTION:The orthosymplectic Lie superalgebra $\mathfrak{osp}(1|2n)$ is rich in representation theory: while the finite dimensional $\mathfrak{osp}(1|2n)$-module category is semisimple\, the study of infinite dimensional representations of $\mathfrak{osp}(1|2n)$ is wide open. In this talk\, we will define the orthosymplectic Lie superalgebras\, realize $\mathfrak{osp}(1|2n)$ as differential operators on complex polynomials\, and describe the space of polynomials in commuting and anti-commuting variables as a representation space for $\mathfrak{osp}(1|2n)$. Moreover\, we will present operators—and perhaps generalized versions of these operators—which help give explicit bases for certain infinite dimensional $\mathfrak{osp}(1|2n)$-modules.
URL:https://colleges.claremont.edu/ccms/event/antc-talk-by-dwight-williams-ut-arlington/
LOCATION:Emmy Noether Room\, Millikan 1021\, Pomona College\, 610 N. College Ave.\, Claremont\, California\, 91711
CATEGORIES:Algebra / Number Theory / Combinatorics Seminar
GEO:34.099908;-117.7142522
X-APPLE-STRUCTURED-LOCATION;VALUE=URI;X-ADDRESS=Emmy Noether Room Millikan 1021 Pomona College 610 N. College Ave. Claremont California 91711;X-APPLE-RADIUS=500;X-TITLE=610 N. College Ave.:geo:-117.7142522,34.099908
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20200311T161500
DTEND;TZID=America/Los_Angeles:20200311T171500
DTSTAMP:20260415T024722
CREATED:20190830T194437Z
LAST-MODIFIED:20200309T185328Z
UID:1445-1583943300-1583946900@colleges.claremont.edu
SUMMARY:Edray Goins: Indiana Pols Forced to Eat Humble Pi\, The Curious History of an Irrational Number
DESCRIPTION:In 1897\, Indiana physician Edwin J. Goodwin believed he had discovered a way to square the circle\, and proposed a bill to Indiana Representative Taylor I. Record which would secure Indiana’s the claim to fame for his discovery. About the time the debate about the bill concluded\, Purdue University professor Clarence A. Waldo serendipitously came across the claimed discovery\, and pointed out its mathematical impossibility to the lawmakers. It had only be shown just 15 years before\, by the German mathematician Ferdinand von Lindemann\, that it was impossible to square the circle because π is an irrational number. This fodder became ignominiously known as the “Indiana Pi Bill” as Goodwin’s result would force $\pi = 3.2$. \nIn this talk\, we review this humorous history of the irrationality of $\pi$. We introduce a method to compute its digits\, present Lindemann’s proof of its irrationality (following a simplification by Miklo ́s Laczkovich)\, discuss the relationship with the Hermite-Lindemann-Weierstrass theorem\, and explain how Edwin J. Goodwin came to his erroneous conclusion in the first place.
URL:https://colleges.claremont.edu/ccms/event/tba-18/
LOCATION:Freeberg Forum\, LC 62\, Kravis Center\, CMC
CATEGORIES:Colloquium
ORGANIZER;CN="Blerta Shtylla":MAILTO:shtyllab@pomona.edu
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20200324T121500
DTEND;TZID=America/Los_Angeles:20200324T131000
DTSTAMP:20260415T024722
CREATED:20200203T171430Z
LAST-MODIFIED:20200203T171430Z
UID:1849-1585052100-1585055400@colleges.claremont.edu
SUMMARY:ANTC talk by Asaf Ferber (UC Irvine)
DESCRIPTION:
URL:https://colleges.claremont.edu/ccms/event/antc-talk-by-asaf-ferber-uc-irvine/
LOCATION:Emmy Noether Room\, Millikan 1021\, Pomona College\, 610 N. College Ave.\, Claremont\, California\, 91711
CATEGORIES:Algebra / Number Theory / Combinatorics Seminar
GEO:34.099908;-117.7142522
X-APPLE-STRUCTURED-LOCATION;VALUE=URI;X-ADDRESS=Emmy Noether Room Millikan 1021 Pomona College 610 N. College Ave. Claremont California 91711;X-APPLE-RADIUS=500;X-TITLE=610 N. College Ave.:geo:-117.7142522,34.099908
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20200325T161500
DTEND;TZID=America/Los_Angeles:20200325T171500
DTSTAMP:20260415T024722
CREATED:20190830T194534Z
LAST-MODIFIED:20200219T181313Z
UID:1447-1585152900-1585156500@colleges.claremont.edu
SUMMARY:A competent translation/a pitiful bungle: The Foundations of Geometry (Jemma Lorenat)
DESCRIPTION:David Hilbert’s Grundlagen der Geometrie is a rare example of a historical mathematics text that is still profitably read today and continues to inspire research in mathematics\, computer science\, and philosophy. \nThe effort of publishing an English translation of Hilbert in 1902 involved a diverse swath of the American mathematical community.  Edgar Jerome Townsend completed a first draft of his authorized translation in a few weeks\, but the process of creating a successful publication involved negotiations\, corrections\, and attention to detail that continued well after the first edition appeared in print. Meanwhile\, published and private texts that circulated around the English edition contained conflicting conclusions with respect to the quality of the translation\, the book’s audience\, and the parameters of a scholarly critique. This talk sheds light on American mathematics at a pivotal time in its history and raises questions about the language and form of mathematical texts that continue to be relevant today.
URL:https://colleges.claremont.edu/ccms/event/tba-19/
LOCATION:Freeberg Forum\, LC 62\, Kravis Center\, CMC
CATEGORIES:Colloquium
ORGANIZER;CN="Blerta Shtylla":MAILTO:shtyllab@pomona.edu
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20200331T150000
DTEND;TZID=America/Los_Angeles:20200331T160000
DTSTAMP:20260415T024722
CREATED:20200227T003039Z
LAST-MODIFIED:20200227T003039Z
UID:1906-1585666800-1585670400@colleges.claremont.edu
SUMMARY:Martin Bobb (UT Austin)
DESCRIPTION:TBA
URL:https://colleges.claremont.edu/ccms/event/martin-bobb-ut-austin/
LOCATION:Millikan 2099\, Pomona College\, 610 N. College Ave.\, Claremont\, CA\, 91711\, United States
CATEGORIES:Topology Seminar
END:VEVENT
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