• Applied Math Seminar: Claremont Colleges Course Previews for Spring 2024

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

    During this student-centered Applied Math Seminar, there will be discussion and presentations about upcoming courses offered in applied mathematics, to help students make their enrollment choices for Spring 2024 and beyond.

  • Frobenius coin-exchange generating functions (Matthias Beck, San Francisco State University)

    Roberts North 102, CMC

    We study variants of the Frobenius coin-exchange problem: Given n positive relatively prime parameters, what is the largest integer that cannot be represented as a nonnegative integral linear combination of the given integers? This problem and its siblings can be understood through generating functions with 0/1 coefficients according to whether or not an integer is representable. […]

  • Claremont Topology Seminar: Hyunki Min (UCLA)

    Fletcher 110, Pitzer College 1050 N Mills Ave, Claremont, CA, United States

    Title: Contact structures and the mapping class group of lens spaces Abstract: One important problem in contact topology is to classify contact structures on a given manifold. Around 20 years ago, Giroux and Honda classified contact structures on lens spaces. A natural question to ask after that is how the transformations on lens spaces interact […]

  • Lonely Runners and My Favorite Polyhedron (Matthias Beck, San Francisco State University)

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

    Title: Lonely Runners and My Favorite Polyhedron Speaker: Matthias Beck, Department of Mathematics, San Francisco State University Abstract: We study the Lonely Runner Conjecture, conceived by Wills in the 1960's, and originally phrased in terms of Diophantine approximation: Given positive integers n_1, n_2, ..., n_k, there exists a positive real number t such that for all […]

  • Applied Math Seminar: Adam Yassine (Pomona College)

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

    Title: On the Composition of Classical Mechanical Systems Abstract: Compositionality is a basic principle for understanding the physical world. The underlying idea is to study a system by studying the ways in which the components of the system compose to form the system. Category theory is an area in mathematics that is particularly well-suited for […]

  • History and Philosophy of Mathematics Seminar: Kris Palmieri (University of Chicago)

    Fletcher 110, Pitzer College 1050 N Mills Ave, Claremont, CA, United States

    True Grit: Writing the History of Women at Yerkes Observatory, 1895–1950 Abstract: Women at Yerkes Observatory earned advanced degrees, conducted their own research, collaborated on projects with peers of both sexes, and authored publications in their own names in the first half of the Twentieth Century. Yet Alice Hall Farnsworth, Mary Murray Hopkins, Harriet McWilliams […]

  • Adinkra Heights and Color-Splitting Rainbows (Ursula Whitcher, American Mathematical Society)

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

    Title: Adinkra Heights and Color-Splitting Rainbows Speaker: Ursula Whitcher, American Mathematical Society Abstract: Adinkras are decorated graphs that encapsulate information about conjectural relationships between fundamental particles in physics. If we […]

  • Continued fractions, directed graphs, and defining spectral triples on Effros-Shen AF algebras (Samantha Brooker, Arizona State University)

    Estella 2141 610 N College Ave, Claremont, United States

    The Effros-Shen algebra corresponding to an irrational number $\theta$ can be described by an inductive sequence of direct sums of matrix algebras, where the continued fraction expansion of $\theta$ encodes the dimensions of the summands, and how the matrix algebras at the nth level fit into the summands at the (n+1)th level. In recent work, […]

  • On the Cox ring of a weighted projective plane blown-up at a point (Javier Gonzalez Anaya, HMC)

    Roberts North 102, CMC

    The Cox ring of a projective variety is the ring of all its meromorphic functions, together with a grading of geometric origin. Determining whether this ring is finitely generated is a challenging task, even for simple examples. In this talk, we will discuss our efforts to tackle this problem for a specific class of varieties, […]