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DTSTART;TZID=America/Los_Angeles:20190307T120000
DTEND;TZID=America/Los_Angeles:20190307T133000
DTSTAMP:20260404T091022
CREATED:20190205T180911Z
LAST-MODIFIED:20190205T180911Z
UID:1194-1551960000-1551965400@colleges.claremont.edu
SUMMARY:Non-existence of epimorphisms between certain genus two handlebody-knot groups (Ryo Nikkuni\, Tokyo Woman's Christian University)
DESCRIPTION:For two genus $g$ handlebody-knots $H_{1}$ and $H_{2}$\, we denote $H_{1} \geq H_{2}$ if there exists an epimorphism from the fundamental group of the handlebody-knot complement of $H_{1}$ onto the one of $H_{2}$. In the case of $g = 1$\, this order is a partial order on the set of prime knots and has been determined up to $11$ crossings by Kitano-Suzuki and Horie-Kitano-Matsumoto-Suzuki. In this talk\, we consider the case of $g = 2$ and exhibit a lot of ordered pairs of irreducible genus $2$ handlebody-knots in the Ishii-Kishimoto-Moriuchi-Suzuki table up to $6$ crossings\, each of which does not admit this order. This is a joint work with Y. Ozawa and M. Suzuki.
URL:https://colleges.claremont.edu/ccms/event/non-existence-of-epimorphisms-between-certain-genus-two-handlebody-knot-groups-ryo-nikkuni-tokyo-womans-christian-university/
LOCATION:CA
CATEGORIES:Topology Seminar
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20190311T161500
DTEND;TZID=America/Los_Angeles:20190311T171500
DTSTAMP:20260404T091022
CREATED:20190128T193212Z
LAST-MODIFIED:20190128T213406Z
UID:1177-1552320900-1552324500@colleges.claremont.edu
SUMMARY:Applied Math Talk: Cluster analysis on covariance stationary ergodic processes and locally asymptotically self-similar processes (Nan Rao\, CGU)
DESCRIPTION:We study the problems of clustering covariance stationary ergodic processes and locally asymptotically self-similar stochastic processes\, when the true number of clusters is priorly known. A new covariance-based dissimilarity measure is introduced\, from which efficient consistent clustering algorithms are obtained. As examples of application\, clustering  fractional Brownian motions and clustering multifractional Brownian motions are respectively performed to illustrate the asymptotic consistency of the proposed algorithms.
URL:https://colleges.claremont.edu/ccms/event/applied-math-talk-given-by-nan-rao-cgu/
LOCATION:Emmy Noether Room\, Millikan 1021\, Pomona College\, 610 N. College Ave.\, Claremont\, California\, 91711
CATEGORIES:Applied Math 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:20190312T121500
DTEND;TZID=America/Los_Angeles:20190312T131000
DTSTAMP:20260404T091022
CREATED:20181221T200102Z
LAST-MODIFIED:20181221T232930Z
UID:991-1552392900-1552396200@colleges.claremont.edu
SUMMARY:Indiana Pols Forced to Eat Humble Pi: The Curious History of an Irrational Number (Edray Goins\, Pomona)
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 $\pi$ is an irrational number.  This fodder became ignominiously known as the “Indiana Pi Bill” as Goodwin’s result would force $\pi = 3.2$.\n\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 Miklos 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/antc-talk-edray-goins-pomona/
LOCATION:Millikan 2099\, Pomona College\, 610 N. College Ave.\, Claremont\, CA\, 91711\, United States
CATEGORIES:Algebra / Number Theory / Combinatorics Seminar
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20190313T161500
DTEND;TZID=America/Los_Angeles:20190313T171500
DTSTAMP:20260404T091022
CREATED:20190301T182312Z
LAST-MODIFIED:20190308T165538Z
UID:1248-1552493700-1552497300@colleges.claremont.edu
SUMMARY:Some Unexpected Mathematics Arising From Research at NIST ( Hunt\, NIST)
DESCRIPTION:A lot of the mathematics done at NIST supports the research on and measurement of advanced materials and technology. In this rather applied context. surprising mathematics makes an appearance. We present a few examples.
URL:https://colleges.claremont.edu/ccms/event/ccms-colloquium-hunt-nist/
LOCATION:Shanahan B460\, Harvey Mudd College\, 301 Platt Blvd.\, Claremont\, CA\, 91711\, United States
CATEGORIES:Colloquium
ORGANIZER;CN="Ali Nadim":MAILTO:ali.nadim@cgu.edu
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20190326T121500
DTEND;TZID=America/Los_Angeles:20190326T131000
DTSTAMP:20260404T091022
CREATED:20190224T030836Z
LAST-MODIFIED:20190304T190113Z
UID:1236-1553602500-1553605800@colleges.claremont.edu
SUMMARY:Refinements of metrics (Wai Yan Pong\, CSUDH)
DESCRIPTION:I will talk about a few graph-theoretic metrics then introduce the concept of refinements on a class of functions that include all metrics. As a case study\, we will construct various refinements on the shortest-path distance. Consequently\, we obtain a few “better” versions of the Erdos number. In the course of our investigation\, we realized various construction of metrics can be unified under a rather natural concept that we called monotonic monoid norm. This is a joint work with Kayla Lock and Alex Wittmond.
URL:https://colleges.claremont.edu/ccms/event/antc-talk-wai-yan-pong-csudh/
LOCATION:Millikan 2099\, Pomona College\, 610 N. College Ave.\, Claremont\, CA\, 91711\, United States
CATEGORIES:Algebra / Number Theory / Combinatorics Seminar
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20190327T161500
DTEND;TZID=America/Los_Angeles:20190327T171500
DTSTAMP:20260404T091022
CREATED:20190301T180840Z
LAST-MODIFIED:20190322T150849Z
UID:1246-1553703300-1553706900@colleges.claremont.edu
SUMMARY:Reasoning about Liability of Intelligent Agents ( Naumov\, CMC)
DESCRIPTION:Abstract: As intelligent agents assume larger role in our daily lives\, reasoning by humans about liability of such agents as well as reasoning by the intelligent agents themselves about liability becomes more important.  The existing laws\, written with humans in mind\, will eventually need to be re-interpreted in terms of their applicability in a hybrid environment that consists of humans and intelligent agents.  In some cases\, new laws will need to be written to redefine liability in the context involving intelligent agents. As a first step in this direction\, we need to have a formal definition of liability that can be applied to intelligent agents and logical rules that the machines can use to reason about their own and human liability. In this talk I will discuss several of my recent works on formal logical systems for reasoning about liability.
URL:https://colleges.claremont.edu/ccms/event/ccms-colloquium-naumov-cmc/
LOCATION:Shanahan B460\, Harvey Mudd College\, 301 Platt Blvd.\, Claremont\, CA\, 91711\, United States
CATEGORIES:Colloquium
ORGANIZER;CN="Ali Nadim":MAILTO:ali.nadim@cgu.edu
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20190401T161500
DTEND;TZID=America/Los_Angeles:20190401T171500
DTSTAMP:20260404T091022
CREATED:20190307T230118Z
LAST-MODIFIED:20190312T223842Z
UID:1265-1554135300-1554138900@colleges.claremont.edu
SUMMARY:Applied Math Talk: Repurposing FDA-approved drugs as host-oriented therapies against infectious diseases (Prof. Mikhail Martchenko\, KGI)
DESCRIPTION:The traditional method of treating most human diseases is to direct a therapy against targets in the host patient\, whereas conventional therapies against infectious diseases are directed against the pathogen. Unfortunately\, the efficacy of pathogen-oriented therapies and their ability to combat emerging threats such as genetically engineered and non-traditional pathogens and toxins have been limited by the occurrence of mutations that render pathogen targets resistant to countermeasures. Our work shows that host proteins that are exploited by pathogens (Host Proteins Exploited by Pathogens; HPEPs) contribute to the severity of exposure to pathogenic agents. We find that pathogens recruit HPEPs to bind to\, enter\, reproduce in\, exit from\, and kill host cells. Thus\, HPEPs are potential targets for therapies. This presentation will discuss examples of our drug discovery efforts to identify host-oriented therapies.
URL:https://colleges.claremont.edu/ccms/event/applied-math-talk-repurposing-fda-approved-drugs-as-host-oriented-therapies-against-infectious-diseases-prof-mikhail-martchenko-kgi/
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:20190402T121500
DTEND;TZID=America/Los_Angeles:20190402T131000
DTSTAMP:20260404T091022
CREATED:20190206T180617Z
LAST-MODIFIED:20190326T042503Z
UID:1196-1554207300-1554210600@colleges.claremont.edu
SUMMARY:Fibonacci and Lucas analogues of binomial coefficients and what they count (Curtis Bennett\, CSULB)
DESCRIPTION:A Fibonomial is what is obtained when you replace each term of the binomial coefficients $ {n \choose k}$ by the corresponding Fibonacci number.  For example\, the Fibonomial \n$${ 6\brace 3 } = \frac{F_6 \cdot F_5 \cdot \dots \cdot F_1}{(F_3\cdot F_2 \cdot F_1)(F_3\cdot F_2 \cdot F_1)} = \frac{8\cdot5\cdot3\cdot2\cdot1\cdot1}{(2\cdot1\cdot1)(2\cdot1\cdot1)} = 60$$ \nsince the first six Fibonacci numbers are 1\, 1\, 2\, 2\, 5\, and 8.  Curiously the Fibonomials are always integers\, raising the combinatorial question:  what do they count?  In this talk we introduce and provide a little history of the Fibonomials.  We then provide a simple object the Fibonomials enumerate.  We will use this new object to prove various Fibonomial analogues of standard identities on binomial coefficients and discuss further generalizations including the Lucanomials.
URL:https://colleges.claremont.edu/ccms/event/antc-talk-curtis-bennett-csulb/
LOCATION:Millikan 2099\, Pomona College\, 610 N. College Ave.\, Claremont\, CA\, 91711\, United States
CATEGORIES:Algebra / Number Theory / Combinatorics Seminar
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20190403T161500
DTEND;TZID=America/Los_Angeles:20190403T171500
DTSTAMP:20260404T091022
CREATED:20190301T182423Z
LAST-MODIFIED:20190301T213823Z
UID:1250-1554308100-1554311700@colleges.claremont.edu
SUMMARY:On the interplay of functional analysis and operator theory (Puig de Dios\, UCR)
DESCRIPTION:Abstract: We overview some basic and striking facts concerning the theory of hypercyclic operators (considered to be born in 1982): \n\n1. Hypercyclicity is a purely infinite-dimensional phenomenon: no finite dimensional space supports any hypercyclic operator;\n\n2. It is not easy at all to determine whether a linear operator is hypercyclic. However\, the set of hypercyclic operators is dense for the Strong Operator Topology in the algebra of linear and bounded operators;\n\n\n3. Hypercyclicity is far from being an exotic phenomenon: any infinite-dimensional separable Frechet space supports a hypercyclic operator.
URL:https://colleges.claremont.edu/ccms/event/ccms-colloquium-puig-de-dios-ucr/
LOCATION:Shanahan B460\, Harvey Mudd College\, 301 Platt Blvd.\, Claremont\, CA\, 91711\, United States
CATEGORIES:Colloquium
ORGANIZER;CN="Ali Nadim":MAILTO:ali.nadim@cgu.edu
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20190408T161500
DTEND;TZID=America/Los_Angeles:20190408T171500
DTSTAMP:20260404T091022
CREATED:20190311T221343Z
LAST-MODIFIED:20190401T035013Z
UID:1271-1554740100-1554743700@colleges.claremont.edu
SUMMARY:Models of Biological Tissue Electrostatics and Molecular Transport (Jim Sterling\, KGI)
DESCRIPTION:In this presentation\, some fundamentals of electrostatics in biology will be discussed with focus on the fact that most biological macromolecules including nucleic acids\, carbohydrates\, and proteins are negatively-charged. Electroneutrality requires cations to move toward the macromolecules where they both screen and bind to the negatively-charged groups. An important class of mathematical models of species-flux and electrostatics are known as the Poisson-Nernst-Planck\, or PNP equations. These are partial differential equations describing some important biophysical consequences.
URL:https://colleges.claremont.edu/ccms/event/models-of-biological-tissue-electrostatics-and-molecular-transport-jim-sterling-kgi/
LOCATION:Emmy Noether Room\, Millikan 1021\, Pomona College\, 610 N. College Ave.\, Claremont\, California\, 91711
CATEGORIES:Applied Math 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:20190409T121500
DTEND;TZID=America/Los_Angeles:20190409T131000
DTSTAMP:20260404T091022
CREATED:20190123T071619Z
LAST-MODIFIED:20190402T034536Z
UID:1145-1554812100-1554815400@colleges.claremont.edu
SUMMARY:Matrix multiplication: the hunt for $\omega$ (Mark Huber\, CMC)
DESCRIPTION:For centuries finding the determinant of a matrix was considered to be something that took $\Theta(n^3)$ steps.  Only in 1969 did Strassen discover that there was a faster method.  In this talk I’ll discuss his finding\, how the Master Theorem for divide-and-conquer plays into it\, and how it was shown that finding determinants\, inverting matrices\, and Gaussian elimination are the same time complexity as to matrix multiplication.
URL:https://colleges.claremont.edu/ccms/event/antc-talk-mark-huber-cmc/
LOCATION:Millikan 2099\, Pomona College\, 610 N. College Ave.\, Claremont\, CA\, 91711\, United States
CATEGORIES:Algebra / Number Theory / Combinatorics Seminar
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20190410T161500
DTEND;TZID=America/Los_Angeles:20190410T171500
DTSTAMP:20260404T091022
CREATED:20190301T182529Z
LAST-MODIFIED:20190321T175101Z
UID:1252-1554912900-1554916500@colleges.claremont.edu
SUMMARY:A General Bayesian Discrete Time Survival Model (King\, CPP)
DESCRIPTION:Abstract: “We present a general Bayesian statistical model for discrete time\, discrete state space stochastic processes. Applications include the modeling of recurrent and episodic disease processes\, such as episodes of illicit drug use\, as well as social processes such as educational enrollment and employment. We also present Markov chain Monte Carlo inference algorithms for our model\, along with a freely available software package called “brea” which implements these methods in the R programming language.”
URL:https://colleges.claremont.edu/ccms/event/ccms-colloquium-king-cpp/
LOCATION:Shanahan B460\, Harvey Mudd College\, 301 Platt Blvd.\, Claremont\, CA\, 91711\, United States
CATEGORIES:Colloquium
ORGANIZER;CN="Ali Nadim":MAILTO:ali.nadim@cgu.edu
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20190411T121500
DTEND;TZID=America/Los_Angeles:20190411T133000
DTSTAMP:20260404T091022
CREATED:20190307T175206Z
LAST-MODIFIED:20190308T211344Z
UID:1262-1554984900-1554989400@colleges.claremont.edu
SUMMARY:Geometry of quotient varieties and the algebra of conformal blocks (Han-Bom Moon Fordham University)
DESCRIPTION:An important question in classical representation theory is when the tensor product of two irreducible representations has another representation as a factor. In this talk\, I will introduce a quantum generalization of this question and explain how we may relate this question to geometry of quotients of certain complex manifolds. This is joint work with Sang-Bum Yoo.
URL:https://colleges.claremont.edu/ccms/event/han-bom-moon-fordham-university/
LOCATION:Roberts North 104\, CMC\, 320 E. 9th St.\, Claremont\, CA\, 91711\, United States
CATEGORIES:Topology Seminar
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20190413T100000
DTEND;TZID=America/Los_Angeles:20190413T120000
DTSTAMP:20260404T091022
CREATED:20190215T170831Z
LAST-MODIFIED:20190215T170831Z
UID:1215-1555149600-1555156800@colleges.claremont.edu
SUMMARY:GEMS Workshop: "Graphs\, matrices\, and recurrences" with Professor Lucas Bang\, from Harvey Mudd College
DESCRIPTION:TOPIC: Graphs\, matrices\, and recurrences \nAbstract: In mathematics\, we are often surprised to find that problems that look very different are actually the same problem in a different guise! In this seminar\, we will build on the previous discussions about graph theory and describe how other areas of math are closely related to graphs. Specifically\, we will learn how graph problems can be translated to and from matrix problems. We will also see how both graphs and matrices are related to recursive integer sequences (like the famous Fibonacci numbers). \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 2019 DATES: \nFebruary 2\, 2019 \nMarch 2\, 2019 \nApril 13\, 2019 \nREGISTRATION: \nTo register for our workshop on April 13\, please click on the following link: \nhttps://tinyurl.com/GEMS2019Spring3 \nANY QUESTIONS: \nPlease contact our 2018-2019 GEMS coordinator\, Elsa Harris at Elsa.Harris@cgu.edu
URL:https://colleges.claremont.edu/ccms/event/gems-workshop-graphs-matrices-and-recurrences-with-professor-lucas-bang-from-harvey-mudd-college/
LOCATION:Shanahan 1480\, Harvey Mudd College\, 301 Platt Blvd.\, Claremont\, CA\, 91711\, United States
CATEGORIES:GEMS
ORGANIZER;CN="Elsa Harris":MAILTO:elsa.harris@cgu.edu
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20190415T161500
DTEND;TZID=America/Los_Angeles:20190415T171500
DTSTAMP:20260404T091022
CREATED:20190130T213705Z
LAST-MODIFIED:20190409T033118Z
UID:1188-1555344900-1555348500@colleges.claremont.edu
SUMMARY:Applied Math Talk: Solving Complex Public Health Problems—Cancer\, Obesity and Aging (Jessica Dehart\, CGU)
DESCRIPTION:Abstract: Remember smoking? What’s the new public health problem? In the US\, we are currently entangled within three converging and intertwined complex problems: Cancer\, Obesity\, Aging. There are over 16 million cancer survivors living in the US as we speak. Over 50% of our society is overweight and/obese. Our society is aging and the age distribution is much older than a few years back. Cancer\, obesity and aging share several risk factors\, biological mechanisms and patterns. Given the multidimensionality and complexity of these issues\, only a transdisciplinary approach will have the best chances of success in sustaining a health society. This talk will discuss the problems and potential transdisciplinary approaches—including math—to finding successful solutions.
URL:https://colleges.claremont.edu/ccms/event/applied-math-talk-given-by-jessica-dehart-cgu/
LOCATION:Emmy Noether Room\, Millikan 1021\, Pomona College\, 610 N. College Ave.\, Claremont\, California\, 91711
CATEGORIES:Applied Math 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:20190416T121500
DTEND;TZID=America/Los_Angeles:20190416T131000
DTSTAMP:20260404T091022
CREATED:20190123T071749Z
LAST-MODIFIED:20190408T231144Z
UID:1147-1555416900-1555420200@colleges.claremont.edu
SUMMARY:Chow rings of heavy/light Hassett spaces via tropical geometry (Dagan Karp\, HMC)
DESCRIPTION:In this talk\, I will try to give a fun introduction to tropical geometry and Hassett spaces\, and show how tropical geometry can be used to compute the Chow rings of Hassett spaces combinatorially. This is joint work with Siddarth Kannan and Shiyue Li.
URL:https://colleges.claremont.edu/ccms/event/antc-talk-dagan-karp-hmc/
LOCATION:Millikan 2099\, Pomona College\, 610 N. College Ave.\, Claremont\, CA\, 91711\, United States
CATEGORIES:Algebra / Number Theory / Combinatorics Seminar
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20190417T161500
DTEND;TZID=America/Los_Angeles:20190417T171500
DTSTAMP:20260404T091022
CREATED:20190301T183149Z
LAST-MODIFIED:20190412T170625Z
UID:1254-1555517700-1555521300@colleges.claremont.edu
SUMMARY:Unravelling Biochemistry Mysteries: Knot Theory Applied to Biochemistry (Price\, University of San Diego)
DESCRIPTION:Abstract: Mathematical modeling is an effective resource for biologists since it provides ways to simplify\, study and understand the complex systems common in biology and biochemistry. Many mathematical tools can be applied to biological problems\, some traditional and some more novel\, all innovative. This presentation will review the mathematical tools that are used to model and study biological issues of DNA-protein interactions.
URL:https://colleges.claremont.edu/ccms/event/ccms-colloquium-price-university-of-san-diego/
LOCATION:Shanahan B460\, Harvey Mudd College\, 301 Platt Blvd.\, Claremont\, CA\, 91711\, United States
CATEGORIES:Colloquium
ORGANIZER;CN="Ali Nadim":MAILTO:ali.nadim@cgu.edu
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20190418T120000
DTEND;TZID=America/Los_Angeles:20190418T133000
DTSTAMP:20260404T091022
CREATED:20190330T131139Z
LAST-MODIFIED:20190330T132139Z
UID:1287-1555588800-1555594200@colleges.claremont.edu
SUMMARY:Enhancements of the quandle coloring invariant for knots (Karina Cho\, Harvey Mudd College)
DESCRIPTION:Quandles are algebraic structures that play nicely with knots. The multiplicative structure of finite quandles gives us a way to “color” knot diagrams\, and the number of such colorings for a given knot and quandle is called the quandle coloring invariant. We strengthen this invariant by examining the relationships between the colorings\, which are given by endomorphisms. This can be visualized using a directed graph that we call the quandle coloring quiver. We will show that the quandle coloring quiver is a strict enhancement of the quandle coloring invariant and discuss further enhancements of this invariant that arise from quandle cohomology. This work is a senior thesis project under the advising of Sam Nelson.
URL:https://colleges.claremont.edu/ccms/event/enhancements-of-the-quandle-coloring-invariant-for-knots-karina-cho-harvey-mudd-college/
LOCATION:Roberts North 104\, CMC\, 320 E. 9th St.\, Claremont\, CA\, 91711\, United States
CATEGORIES:Topology Seminar
ORGANIZER;CN="Sam Nelson":MAILTO:snelson@cmc.edu
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20190422T161500
DTEND;TZID=America/Los_Angeles:20190422T171500
DTSTAMP:20260404T091022
CREATED:20190413T180615Z
LAST-MODIFIED:20190417T181832Z
UID:1302-1555949700-1555953300@colleges.claremont.edu
SUMMARY:Applied Math Talk: Nonlocal problems for linear evolution equations (Prof. Smith David Andrew\, Yale-NUS College\, Singapore)
DESCRIPTION:Linear evolution equations\, such as the heat equation\, are commonly studied on finite spatial domains via initial-boundary value problems. In place of the boundary conditions\, we consider “multipoint conditions”\, where one specifies some linear combination of the solution and its derivative evaluated at internal points of the spatial domain\, and “nonlocal” specification of the integral over space of the solution against some continuous weight.
URL:https://colleges.claremont.edu/ccms/event/applied-math-talk-nonlocal-problems-for-linear-evolution-equations-prof-smith-david-andrew/
LOCATION:Emmy Noether Room\, Millikan 1021\, Pomona College\, 610 N. College Ave.\, Claremont\, California\, 91711
CATEGORIES:Applied Math 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:20190423T121500
DTEND;TZID=America/Los_Angeles:20190423T131000
DTSTAMP:20260404T091022
CREATED:20190312T201357Z
LAST-MODIFIED:20190312T201357Z
UID:1273-1556021700-1556025000@colleges.claremont.edu
SUMMARY:Theory of vertex Ho-Lee-Schur graphs (Sin-Min Lee\, SJSU)
DESCRIPTION:A triple of natural numbers (a\,b\,c) is an S-set if a+b=c. I. Schur used the S-sets to show that for n >3\, there exists s(n) such that for prime p > s(n)\, x^p + y^p = z^p (mod p) has a nontrivial solution. A (p\,q)-graph G is said to be vertex Ho-Lee-Schur graph if there exists a bijection f: V(G) –> {1\,2\,…\,p} such that for each C3 subgraph of G with vertices {x\,y\,z} the triple (f(x)\,f(y)\,f(z)) is an S-set. The VHLS deficiency of G is the smallest k such that GU Nk\, where Nk is null graph\,  is a vertex Ho-Lee-Schur graph. We determine VHLS deficiency of some graphs and show that no Kuratowski type characterization of non-vertex Ho-Lee-Schur graphs. Some relation of integer partitions and this theory  is explored. We will also introduce some unsolved problems and invite the audience to  solve them.
URL:https://colleges.claremont.edu/ccms/event/theory-of-vertex-ho-lee-schur-graphs-sin-min-lee-sjsu/
LOCATION:Millikan 2099\, Pomona College\, 610 N. College Ave.\, Claremont\, CA\, 91711\, United States
CATEGORIES:Algebra / Number Theory / Combinatorics Seminar
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20190424T161500
DTEND;TZID=America/Los_Angeles:20190424T171500
DTSTAMP:20260404T091022
CREATED:20190301T183238Z
LAST-MODIFIED:20190418T184215Z
UID:1256-1556122500-1556126100@colleges.claremont.edu
SUMMARY:A Conformal Mapping Approach to Shape Optimization Problems. (Kao\, CMC)
DESCRIPTION:Abstract: In this talk\, a conformal mapping approach to shape optimization problems on planar domains will be discussed. In particular\, spectral methods based on conformal mappings are proposed to solve Steklov eigenvalues and their related shape optimization problems in two dimensions. To apply spectral methods\, we first reformulate the Steklov eigenvalue problem in the complex domain via conformal mappings. The eigenfunctions are expanded in Fourier series so the discretization leads to an eigenvalue problem for coefficients of Fourier series. For shape optimization problems\, we use gradient ascent approaches to find optimal domains that maximize objective functions involving Steklov eigenvalues.
URL:https://colleges.claremont.edu/ccms/event/ccms-colloquium-kao-cmc/
LOCATION:Shanahan B460\, Harvey Mudd College\, 301 Platt Blvd.\, Claremont\, CA\, 91711\, United States
CATEGORIES:Colloquium
ORGANIZER;CN="Ali Nadim":MAILTO:ali.nadim@cgu.edu
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20190425T120000
DTEND;TZID=America/Los_Angeles:20190425T133000
DTSTAMP:20260404T091022
CREATED:20190330T132122Z
LAST-MODIFIED:20190330T132122Z
UID:1289-1556193600-1556199000@colleges.claremont.edu
SUMMARY:A (Z⊕Z)-family of knot quandles (Jim Hoste\, Pitzer College)
DESCRIPTION:Suppose K is an oriented knot in a 3-manifold M with regular neighborhood N (K). For each element γ ∈ π 1 (∂N (K)) we define a quandle Q γ (K; M) which generalizes the concept of the fundamental quandle of a knot. In particular\, when γ is the meridian of K\, we obtain the fundamental quandle. The collection of all such quandles gives a (Z⊕Z)-family of quandles. If K is a knot in M and γ is a primitive element\, then we show that there exists a knot K’ in a 3-manifold M’ such that Q γ (K; M ) ∼= Q μ (K’ ; M’) where μ is the meridian of K’ . Starting with a partially framed link L in the 3-sphere where the framed components give a surgery description of the manifold M and a single unframed component represents K we can derive a similar surgery description of K’ in M’ . Using results of Fenn and Rourke\, we may then use this description of K’ to record a presentation of the quandle Q γ (K; M). We describe a number of examples of these quandles for knots\nin various manifolds.
URL:https://colleges.claremont.edu/ccms/event/a-z%e2%8a%95z-family-of-knot-quandles-jim-hoste-pitzer-college/
LOCATION:CA
CATEGORIES:Topology Seminar
ORGANIZER;CN="Sam Nelson":MAILTO:snelson@cmc.edu
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20190429T161500
DTEND;TZID=America/Los_Angeles:20190429T171500
DTSTAMP:20260404T091022
CREATED:20190301T165215Z
LAST-MODIFIED:20190419T000523Z
UID:1244-1556554500-1556558100@colleges.claremont.edu
SUMMARY:Applied Math Seminar: The Kaczmarz Algorithm and its Applications to Data Science (Anna Ma\, UCSD)
DESCRIPTION:Data is exploding at a faster rate than computer architectures can handle. For that reason\, mathematical techniques to analyze large-scale data need be developed. Stochastic iterative algorithms have gained interest due to their low memory footprint and adaptability for large-scale data. In this talk\, we will study the Randomized Kaczmarz algorithm for solving extremely large linear systems of the form Ax=y. In the spirit of large-scale data\, this talk will proceed under the assumption that the entire data matrix A cannot be loaded into memory in a single instance. We consider different settings including when a only factorization of A is available\, when x is sparse\, and a time-varying model. We will also present applications of these Kaczmarz variants to problems in data science.
URL:https://colleges.claremont.edu/ccms/event/applied-math-seminar-give-by-anna-ma-ucsd/
LOCATION:Emmy Noether Room\, Millikan 1021\, Pomona College\, 610 N. College Ave.\, Claremont\, California\, 91711
CATEGORIES:Applied Math 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:20190430T121500
DTEND;TZID=America/Los_Angeles:20190430T131000
DTSTAMP:20260404T091022
CREATED:20190123T071945Z
LAST-MODIFIED:20190419T172528Z
UID:1149-1556626500-1556629800@colleges.claremont.edu
SUMMARY:What Did Ada Do? Digging into the Mathematical Work of Ada Lovelace (Gizem Karaali\, Pomona)
DESCRIPTION:Augusta Ada Byron King Lovelace (1815-1852) is today celebrated as the first computer programmer in history. This might be confusing to some because in 1852 there were no machines that looked like what we call computers today. In this talk I attempt to explain what Ada really did\, and delineate the mathematics involved. Bernoulli numbers will definitely come into play\, but there may also be other fun distractions along the way\, possibly including some juicy gossip about Ada’s life.
URL:https://colleges.claremont.edu/ccms/event/antc-talk-gizem-karaali-pomona/
LOCATION:Millikan 2099\, Pomona College\, 610 N. College Ave.\, Claremont\, CA\, 91711\, United States
CATEGORIES:Algebra / Number Theory / Combinatorics Seminar
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20190501T161500
DTEND;TZID=America/Los_Angeles:20190501T171500
DTSTAMP:20260404T091022
CREATED:20190301T183333Z
LAST-MODIFIED:20190425T160605Z
UID:1258-1556727300-1556730900@colleges.claremont.edu
SUMMARY:Is My Subgroup Normal? How Math Communities Differand Why it Matters (Sinclair\, Google)
DESCRIPTION:Mathematics isnt done in a void: its done by groups of people. Those groups have\ndifferent norms and values\, which affect both who wants to engage in math and the mathematics itself\nbeing done. When thinking about diversity and inclusion\, explicitly examining norms within our\ncommunities can get us a long way. Through a Thomas J Watson Fellowship\, I had the opportunity\nto experience mathematics competitions communities in Brazil\, Argentina\, Senegal\, Singapore and\nEngland. Come hear about the differences I found within those communities\, and how Ive continued\nto connect those learnings to technical communities back in the United States.
URL:https://colleges.claremont.edu/ccms/event/ccms-colloquium-sinclair-google/
LOCATION:Shanahan B460\, Harvey Mudd College\, 301 Platt Blvd.\, Claremont\, CA\, 91711\, United States
CATEGORIES:Colloquium
ORGANIZER;CN="Ali Nadim":MAILTO:ali.nadim@cgu.edu
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20190506T161500
DTEND;TZID=America/Los_Angeles:20190506T171500
DTSTAMP:20260404T091022
CREATED:20190129T211242Z
LAST-MODIFIED:20190419T064038Z
UID:1181-1557159300-1557162900@colleges.claremont.edu
SUMMARY:Applied math seminar: Topological descriptions of protein folding (Helen Wong\, CMC)
DESCRIPTION:Knotting in proteins was once considered exceedingly rare.  However\, systematic analyses of solved protein structures over the last two decades have demonstrated the existence of many deeply knotted proteins\, and researchers now hypothesize that the knotting presents some functional or evolutionary advantage for those proteins. \n  \nUnfortunately\, there is very little known (whether experimentally\, through computer simulations\, or theoretically) about how proteins fold into knotted configurations.  In this talk\, we will discuss some of the theorized pathways from a topological point of view.  In particular\, we propose a new theoretical pathway for protein knotting and determine its feasibility for certain families of  proteins.
URL:https://colleges.claremont.edu/ccms/event/applied-math-seminar-given-by-helen-wong/
LOCATION:Emmy Noether Room\, Millikan 1021\, Pomona College\, 610 N. College Ave.\, Claremont\, California\, 91711
CATEGORIES:Applied Math 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:20190507T121500
DTEND;TZID=America/Los_Angeles:20190507T131000
DTSTAMP:20260404T091022
CREATED:20190218T180910Z
LAST-MODIFIED:20190430T205116Z
UID:1218-1557231300-1557234600@colleges.claremont.edu
SUMMARY:Notions of stability in algebraic geometry (Jason Lo\, CSUN)
DESCRIPTION:One of the main drivers of current research in geometry is the classification of Calabi-Yau threefolds.  Towards this effort\, a particular approach in algebraic geometry is via the study of stability conditions.  In this talk\, I will explain what constitutes a notion of stability in algebraic geometry\, and what the challenges are in studying them.
URL:https://colleges.claremont.edu/ccms/event/antc-talk-by-jason-lo-csun/
LOCATION:Millikan 2099\, Pomona College\, 610 N. College Ave.\, Claremont\, CA\, 91711\, United States
CATEGORIES:Algebra / Number Theory / Combinatorics Seminar
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20190909T161500
DTEND;TZID=America/Los_Angeles:20190909T171500
DTSTAMP:20260404T091022
CREATED:20190722T184424Z
LAST-MODIFIED:20190722T184424Z
UID:1345-1568045700-1568049300@colleges.claremont.edu
SUMMARY:Applied Math Seminar: Organizational meeting
DESCRIPTION:As titled
URL:https://colleges.claremont.edu/ccms/event/applied-math-seminar-organizational-meeting-2/
LOCATION:Emmy Noether Room\, Millikan 1021\, Pomona College\, 610 N. College Ave.\, Claremont\, California\, 91711
CATEGORIES:Applied Math 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:20190910T121500
DTEND;TZID=America/Los_Angeles:20190910T131000
DTSTAMP:20260404T091022
CREATED:20190522T000934Z
LAST-MODIFIED:20190909T032954Z
UID:1333-1568117700-1568121000@colleges.claremont.edu
SUMMARY:Frobenius problem over number fields (Lenny Fukshansky\, CMC)
DESCRIPTION:The classical Frobenius problem asks for the largest integer not representable as a non-negative integer linear combination of a relatively prime integer n-tuple. This problem and its various generalizations have been studied extensively in combinatorics\, number theory\, algebra\, theoretical computer science and probability theory. In this talk\, we will consider a reformulation of this problem in the context of number fields\, which leads to some arithmetic questions about semigroups of algebraic integers and height functions. This is joint work with CMC student Edward Shi.
URL:https://colleges.claremont.edu/ccms/event/antc-seminar-mauricio-gomez-lopez-univ-oregon/
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:20190911T161500
DTEND;TZID=America/Los_Angeles:20190911T171500
DTSTAMP:20260404T091022
CREATED:20190826T222708Z
LAST-MODIFIED:20190910T210346Z
UID:1383-1568218500-1568222100@colleges.claremont.edu
SUMMARY:Poster Session Fall 2019
DESCRIPTION:CLAREMONT CENTER for MATHEMATICAL SCIENCES\nFall 2019 Poster Session \nClick here for poster abstracts.
URL:https://colleges.claremont.edu/ccms/event/poster-session-fall-2019/
LOCATION:Argue Auditorium\, Pomona College\, 610 N. College Ave.\, Claremont\, CA\, 91711\, United States
CATEGORIES:Colloquium,Special Event
ORGANIZER;CN="Blerta Shtylla":MAILTO:shtyllab@pomona.edu
GEO:34.0999157;-117.7142668
X-APPLE-STRUCTURED-LOCATION;VALUE=URI;X-ADDRESS=Argue Auditorium Pomona College 610 N. College Ave. Claremont CA 91711 United States;X-APPLE-RADIUS=500;X-TITLE=610 N. College Ave.:geo:-117.7142668,34.0999157
END:VEVENT
END:VCALENDAR