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  • CCMS Colloquium: Robert Sanchez (HMC)

    Davidson Lecture Hall, CMC 340 E 9th St, Claremont, CA, United States

    CCMS Colloquium invites you to a talk by Robert Sanchez (HMC) Title: Tides: Under the Sea and Under the Ice Abstract: Physical oceanography is the study of ocean fluid dynamics […]

  • A Signal Separation View of Classification (Ryan O’Dowd, CGU)

    Estella 1021 (Emmy Noether Room), Pomona College Claremont, CA, United States

    Abstract: The problem of classification in machine learning has often been approached in terms of function approximation. In this talk, we propose an alternative approach for classification in arbitrary compact metric spaces which, in theory, yields both the number of classes, and a perfect classification using a minimal number of queried labels. Our approach uses […]

  • Non-vanishing of L-functions over function fields (Alexandra Florea, UC Irvine)

    Estella 2099

    I will talk about some results concerning the non-vanishing of $L$-functions associated to fixed order characters $\ell$ at the central point over functions fields. Quadratic characters have been studied a lot over the years, and very good non-vanishing results are available in this case, due to work of Soundararajan. When focusing on cubic and higher […]

  • Claremont Topology Seminar: Chris Grossack (UC Riverside)

    Fletcher 104, Pitzer College 1050 N Mills Ave, Claremont, United States

    We welcome all undergraduate/graduate students and faculty to attend topology seminar! Speaker: Chris Grossack (UC Riverside) Title: Explicitly Computing Fukaya Categories of Surfaces Abstract: Fukaya categories are rich and interesting invariants of symplectic manifolds that are often difficult to compute in practice. In the case of surfaces, however, the computation becomes pleasantly combinatorial, and can […]

  • CCMS Colloquium: Shriya Nagpal (Pitzer)

    Davidson Lecture Hall, CMC 340 E 9th St, Claremont, CA, United States

    CCMS Colloquium invites you to a talk by Shriya Nagpal (Pitzer) Title: Synchronization in Erdős–Rényi Graphs with Kuramoto Dynamics: A Graphon Approach Abstract: Networks of coupled Kuramoto oscillators have been used […]

  • NO CCMS Colloquium this Friday!

    Davidson Lecture Hall, CMC 340 E 9th St, Claremont, CA, United States

    We'll be back next week! Happy Thanksgiving!

  • Structure-Aware Adaptive Nonconvex Optimization for Deep Learning and Scientific Computing (Minxin Zhang, UCLA)

    Emmy Noether Room, Estella 1021, Pomona College, 610 N. College Ave., Claremont, CA, United States

    Abstract: Modern machine learning and scientific computing pose optimization challenges of unprecedented scale and complexity, demanding fundamental advances in both theory and algorithmic design for nonconvex optimization. This talk presents recent advances that address these challenges by exploiting matrix and tensor structures, integrating adaptivity, and leveraging sampling techniques. In the first part, I introduce AdaGO, […]

  • Positivity aspects of complete homogeneous symmetric polynomials (Stephan Garcia, Pomona)

    Estella 2099

    Hunter's theorem ensures that the complete homogeneous symmetric (CHS) polynomials of even degree are positive definite functions.  We provide new proofs of Hunter's theorem, applications to operator theory, and a noncommutative (NC) generalization that sheds light even on the commutative case.  Surprisingly, this work emerged from a problem in analytic combinatorics.

  • Claremont Topology Seminar: Indraneel Tambe (UCLA)

    Fletcher 104, Pitzer College 1050 N Mills Ave, Claremont, United States

    We welcome all undergraduate/graduate students and faculty to attend topology seminar! Speaker: Indraneel Tambe (UCLA) Title: Steinberg skein relations at roots of unity Abstract: This talk discusses some of the relationships between skein theory and the representation theory of quantum sl2 when q is a root of unity. Specifically, I focus on the Frobenius pullback […]

  • CCMS Colloquium: Konstantin Zuev (Caltech)

    Davidson Lecture Hall, CMC 340 E 9th St, Claremont, CA, United States

    CCMS Colloquium invites you to a talk by Konstantin Zuev (Caltech) Title: Course-Prerequisite Networks Abstract: An academic curriculum is a complex system of courses and their interactions that lies at […]

  • GEMS December 6th Session

    Shanahan B450, Harvey Mudd College 301 Platt Blvd., Claremont, United States

    This GEMS session will be facilitated by Professor Ryan Aschoff from the Claremont Graduate University. Title: Randomness: Creating Order from Chaos Abstract: From the hiss of white noise to the gentle hum of ocean waves, randomness surrounds us — yet hidden within that chaos lies remarkable order. In this talk, we’ll explore how unpredictable events, […]

  • Fractional Brownian Motion: Small Increments and First Exit Time from One-sided Barrier (Qidi Peng, CGU)

    Emmy Noether Room, Estella 1021, Pomona College, 610 N. College Ave., Claremont, CA, United States

    Abstract: The talk introduces a conjecture on the first exit time of fractional Brownian motion: the upper-tail probability for a fractional Brownian motion to first exit a positive-valued barrier over time T has the exact asymptotic rate T^(H-1), where H is the Hurst parameter of the fractional Brownian motion. The talk tries to understand this conjecture […]