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  • Using Stitching for faster sampling (Prof. Mark Huber)

    Title: Using Stitching for faster sampling Speaker: Mark Huber, Department of Mathematics, Claremont McKenna College Abstract: Point processes are used to model location data, such as the locations of trees in a forest, or cities in a plain.  Repulsive point processes modify the basic model in order to obtain points that are farther apart from each other than would […]

  • Niho’s last conjecture (Daniel Katz, Cal State Northridge)

    On Zoom

    A power permutation of a finite field F is a permutation of F whose functional form is x -> x^d for some exponent d.  Power permutations are used in cryptography, and the exponent d must be chosen so that the permutation is highly nonlinear, that is, not easily approximated by linear functions.  The Walsh spectrum […]

  • Exploiting metric structure for more accurate classification (Prof. Mike Izbicki)

    Zoom meeting , United States

    Title: Exploiting metric structure for more accurate classification Speaker: Mike Izbicki, Department of Mathematical Sciences, Claremont McKenna College Abstract: Classification problems often have many semantically similar classes.  For example, the famous ImageNet dataset contains classes for 80 different dog breeds, 40 different bird species, and 25 types of vehicles.  This semantic structure can be formalized using a metric […]

  • Applied Math Seminar — Yunied Puig de Dios (CMC)

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

    Title: Modern techniques to approach the invariant subspace problem Abstract:  The invariant subspace problem is by far one of the most important problems in operator theory. It has been open […]

  • Frame coherence and nearly orthogonal lattices (Lenny Fukshansky, CMC)

    On Zoom

    A frame in a Euclidean space is a spanning set, which can be overdetermined. Large frames are used for redundant signal transmission, which allows for error correction. An important parameter of frames is coherence, which is maximal absolute value of the cosine of the angle between two frame vectors: the smaller it is, the closer […]

  • Experimental Knot Music v2 (Sam Nelson, CMC)

    Zoom

    In this talk I will recount the history of my knot theory-based music project and show an example of my method for creating music from knot homsets.

  • Modeling the waning and boosting of immunity (Prof. Lauren Childs)

    Zoom

    Title: Modeling the waning and boosting of immunity Speaker: Dr. Lauren Childs Assistant Professor and the Cliff and Agnes Lilly Faculty Fellow Virgina Tech Abstract: Infectious disease often leads to significant loss of life and burden on society. Understanding disease dynamics is essential to the development and implementation of earlier and more effective interventions. Traditionally, perfect, […]

  • Recent trends in using representations in voting theory – committees and cyclic orders (Karl-Dieter Crisman, Gordon College)

    On Zoom

    One of the most important axioms in analyzing voting systems is that of "neutrality", which stipulates that the system should treat all candidates symmetrically. Even though this doesn't always directly apply (such as in primary systems or those with intentional incumbent protection), it is extremely important both in theory and practice.If the voting systems in […]

  • On Invariants for Surface-Links in Entropic Magmas via Marked Graph Diagrams (Seonmi Choi, Kyungpook Natl U, Korea)

    Zoom

    M. Niebrzydowski and J. H. Przytycki defined a Kauffman bracket magma and constructed the invariant P of framed links in 3-space. The invariant is closely related to the Kauffman bracket polynomial. The normalized bracket polynomial is obtained from the Kauffman bracket polynomial by the multiplication of indeterminate and it is an ambient isotopy invariant for […]