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DTSTART;TZID=America/Los_Angeles:20231113T041500
DTEND;TZID=America/Los_Angeles:20231113T171500
DTSTAMP:20260516T225837
CREATED:20230912T154722Z
LAST-MODIFIED:20231110T160645Z
UID:3205-1699848900-1699895700@colleges.claremont.edu
SUMMARY:Applied Math Seminar: Adam Yassine (Pomona College)
DESCRIPTION:Title: On the Composition of Classical Mechanical Systems \nAbstract: 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 studying questions about compositionality. This talk will outline a way to use category theory to study classical mechanical systems from a compositional perspective.
URL:https://colleges.claremont.edu/ccms/event/applied-math-seminar-adam-yassine-pomona-college/
LOCATION:Estella 1021 (Emmy Noether Room)\, Pomona College\, Claremont\, CA\, 91711\, United States
CATEGORIES:Applied Math Seminar
ORGANIZER;CN="Ami Radunskaya":MAILTO:aradunskaya@pomona.edu
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20231113T150000
DTEND;TZID=America/Los_Angeles:20231113T160000
DTSTAMP:20260516T225837
CREATED:20230913T033213Z
LAST-MODIFIED:20231024T191657Z
UID:3216-1699887600-1699891200@colleges.claremont.edu
SUMMARY:History and Philosophy of Mathematics Seminar: Kris Palmieri (University of Chicago)
DESCRIPTION:True Grit: Writing the History of Women at Yerkes Observatory\, 1895–1950 \nAbstract: \nWomen 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 Parsons\, and Evelyn Worhnam Wickham – to name only a few – are unknown even amongst specialists. This is in large part because their lives and their labor are all but invisible in published sources and public records. Yet the voices of these women remain preserved in archives across the country – and this presents us with an unparalleled opportunity to reconstruct their lived experiences as women in science. \nThis paper explores the ways in which biography provides a uniquely productive lens for reconstructing the history of women at Yerkes. In so doing\, however\, it also explores the limits of biography for a research project that is anchored by its focus on a specific institutional space and asks how these limits might be overcome.
URL:https://colleges.claremont.edu/ccms/event/history-and-philosophy-of-mathematics-seminar-kris-palmieri/
LOCATION:Fletcher 110\, Pitzer College\, 1050 N Mills Ave\, Claremont\, CA\, 91711\, United States
CATEGORIES:History and Philosophy of Mathematics Seminar
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20231114T121500
DTEND;TZID=America/Los_Angeles:20231114T131000
DTSTAMP:20260516T225837
CREATED:20230908T055625Z
LAST-MODIFIED:20231109T070158Z
UID:3177-1699964100-1699967400@colleges.claremont.edu
SUMMARY:f^*-vectors of lattice polytopes (Max Hlavacek\, Pomona College)
DESCRIPTION:The Ehrhart polynomial of a lattice polytope P counts the number of integer points in the nth integral dilate of P. The f^* -vector of P\, introduced by Felix Breuer in 2012\, is the vector of coefficients of the Ehrhart polynomial with respect to the binomial coefficient basis . Similarly to h and h^* -vectors\, the f^* -vector of P coincides with the f-vector (counting faces of every dimension) of its unimodular triangulations (if they exist). We give several inequalities that hold among the coefficients of f^*-vectors of polytopes. These inequalities resemble striking similarities with existing inequalities for the coefficients of f-vectors of simplicial polytopes. Even though f^* -vectors of polytopes are not always unimodal\, we describe several families of polytopes that carry the unimodality property.
URL:https://colleges.claremont.edu/ccms/event/antc-seminar-max-hlavacek-pomona-college/
LOCATION:Roberts North 102\, CMC
CATEGORIES:Algebra / Number Theory / Combinatorics Seminar
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20231114T150000
DTEND;TZID=America/Los_Angeles:20231114T160000
DTSTAMP:20260516T225837
CREATED:20231104T140011Z
LAST-MODIFIED:20231104T141022Z
UID:3309-1699974000-1699977600@colleges.claremont.edu
SUMMARY:Geometry and Topology Seminar: Claremont Colleges Course Previews for Spring 2024
DESCRIPTION:On November 14th\, Tuesday from 3-4pm in Fletcher 110\, Geometry and Topology Seminar invites students and faculty to a course preview session devoted to a discussion and presentations about upcoming Spring 2024 courses in \n\ngeometry\,\ntopology and/or\nwith applications in geometry and topology\n\nto help students make their enrollment choices. \nWe will have some refreshments for all attending to enjoy!
URL:https://colleges.claremont.edu/ccms/event/geometry-and-topology-seminar-claremont-colleges-course-previews-for-spring-2024/
LOCATION:Fletcher 110\, Pitzer College\, 1050 N Mills Ave\, Claremont\, CA\, 91711\, United States
CATEGORIES:Topology Seminar
ORGANIZER;CN="Bahar Acu":MAILTO:Bahar_Acu@pitzer.edu
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20231115T161500
DTEND;TZID=America/Los_Angeles:20231115T173000
DTSTAMP:20260516T225837
CREATED:20231106T190605Z
LAST-MODIFIED:20231106T190605Z
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SUMMARY:Adinkra Heights and Color-Splitting Rainbows (Ursula Whitcher\, American Mathematical Society)
DESCRIPTION:Title: Adinkra Heights and Color-Splitting Rainbows \nSpeaker: Ursula Whitcher\, American Mathematical Society \nAbstract: Adinkras are decorated graphs that encapsulate information about conjectural relationships between fundamental particles in physics. If we color the edges of an Adinkra with a rainbow of shades in a specific order\, we obtain a special curve that we can study usingalgebraic and geometric techniques. We use this structure to characterize height functions on Adinkras\, then show how to compute the same information using data from our rainbow. This talk describes joint work with Amanda Francis. \n\n\n\n\n\nDr. Ursula Whitcher is an associate editor at Math Reviews (MathSciNet)\, a project of the American Mathematical Society\, covering a range of areas from algebraic geometry to history of mathematics. Before joining the AMS\, Dr. Whitcher earned a PhD from the University of Washington\, was a Teaching and Research Postdoctoral Fellow at Harvey Mudd\, and became an associate professor at the University of Wisconsin-Eau Claire. Find Dr. Whitcher’s mathematically inspired poetry and fiction in Asimov’s Science Fiction Magazine\, Analog\, or the Journal of Humanistic Mathematics.
URL:https://colleges.claremont.edu/ccms/event/adinkra-heights-and-color-splitting-rainbows-ursula-whitcher-american-mathematical-society/
LOCATION:Argue Auditorium\, Pomona College\, 610 N. College Ave.\, Claremont\, CA\, 91711\, United States
CATEGORIES:Colloquium
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END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20231116T163000
DTEND;TZID=America/Los_Angeles:20231116T173000
DTSTAMP:20260516T225837
CREATED:20231113T045911Z
LAST-MODIFIED:20231113T045911Z
UID:3319-1700152200-1700155800@colleges.claremont.edu
SUMMARY:Continued fractions\, directed graphs\, and defining spectral triples on Effros-Shen AF algebras (Samantha Brooker\, Arizona State University)
DESCRIPTION: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\, Mitscher and Spielberg present an Effros-Shen algebra as the C*-algebra of a category of paths – a generalization of a directed graph – determined by the continued fraction expansion of \theta. With this approach\, the algebra is realized as the inductive limit of a sequence of infinite-dimensional\, rather than finite-dimensional\, subalgebras. Drawing on a construction by Christensen and Ivan\, we use this inductive limit structure to define a spectral triple\, trading the advantages of working with finite-dimensional approximants for the techniques provided by the category of paths\, pursuant to studying the algebras as quantum compact metric spaces. I will discuss categories of paths and their precursors\, graph C*-algebras\, the example of Mitscher and Spielberg\, and a bit about the spectral triple construction. This is joint work with Konrad Aguilar and Jack Spielberg.
URL:https://colleges.claremont.edu/ccms/event/continued-fractions-directed-graphs-and-defining-spectral-triples-on-effros-shen-af-algebras-samantha-brooker-arizona-state-university/
LOCATION:Estella 2141\, 610 N College Ave\, Claremont\, 91711\, United States
CATEGORIES:Analysis Seminar
ORGANIZER;CN="Asuman Aksoy":MAILTO:asuman.aksoy@claremontmckenna.edu
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