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  • Modeling Mechanisms of Ovulatory (Dys)Function (Erica Graham, Bryn Mawr College)

    Argue Auditorium, Pomona College 610 N. College Ave., Claremont, CA, United States

    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 […]

  • GEMS Workshop: Knots and how to tell them apart (Professor Sam Nelson, Claremont McKenna College)

    Shanahan 1480, Harvey Mudd College 301 Platt Blvd., Claremont, CA, United States

    WHAT IS GEMS: The 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 GEMS meets once a month on a Saturday morning from 10:00 AM to 12:00 PM GEMS is designed to reach 8th, 9th and 10th grade students […]

    Free

  • State Polytopes of Combinatorial Neural Codes (Rob Davis, HMC)

    Millikan 2099, Pomona College 610 N. College Ave., Claremont, CA, United States

    Combinatorial neural codes are 0/1 vectors that are used to model the co-firing patterns of a set of place cells in the brain. One wide-open problem in this area is […]

  • Agent-Based and Continuous Models of Locust Hopper Bands: The Role of Intermittent Motion, Alignment, Attraction and Repulsion (Andrew J. Bernoff, HMC)

    Emmy Noether Room, Millikan 1021, Pomona College 610 N. College Ave., Claremont, California

    Locust swarms pose a major threat to agriculture, notably in northern Africa and the Middle East. In the early stages of aggregation, locusts form hopper bands. These are coordinated groups that march in columnar structures that are often kilometers long and may contain millions of individuals. We propose a model for the formation of locust […]

  • Great Expectations (Matthew Junge, Duke Univ.)

    Argue Auditorium, Pomona College 610 N. College Ave., Claremont, CA, United States

    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.

  • Isometric Circle Actions (Catherline Searle, Wichita State)

    Argue Auditorium, Pomona College 610 N. College Ave., Claremont, CA, United States

    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.

  • Minimal Gaussian Partitions, Clustering Hardness and Voting (Steven Heilman, USC)

    Emmy Noether Room, Millikan 1021, Pomona College 610 N. College Ave., Claremont, California

    A single soap bubble has a spherical shape since it minimizes its surface area subject to a fixed enclosed volume of air.  When two soap bubbles collide, they form a "double-bubble" composed of three spherical caps.  The double-bubble minimizes total surface area among all sets enclosing two fixed volumes.  This was proven mathematically in a […]

  • Saving Bats from Fungal Diseases with Linear Algebra (Nina Fefferman, U of Tennessee-Knoxville)

    Argue Auditorium, Pomona College 610 N. College Ave., Claremont, CA, United States

    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 […]