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        "event_title":"Frequency Fridays",
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        "description":"Explore soundscape creation with us this week!\n\nFrequency Fridays is a weekly media workshop series, every Friday from 2-3pm in the Design Lab PIE Space on the first floor of Shapiro. Workshops will feature instruction in music production, video editing, sound design, motion graphics, and more. All skill levels welcome. \n\nIf you have questions about Frequency Fridays, please reach out to alvin hill, the library's Media Production Specialist, at munk@umich.edu.",
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        "description":"Political Theory Workshop Winter 2026 Details:\r\n\r\nUnless otherwise noted, all sessions will be held in the Walker Room on Fridays from 2:00 to 3:30.\r\n\r\nJan 30th: David Suell. Ideal Theory for Non-Ideal Times: Obafemi Awolowo, John Rawls, and Contesting the Foundations for Socialist Democracy.\r\n\r\nFeb 13th: Loay Alarab. Violence, Refusal, and Political Impossibility \r\n\r\nFeb 20th: Cristina Conesa Pla. Title TBA\r\n\r\nMarch 10th, Shatema Threadcraft and Joseph Fischel, Title TBA, 3:00 pm - 5:00 pm, 2239 Lane Hall\r\n\r\nMarch 20th, Ekaterina Olson Shipyatsky, Title TBA\r\n\r\nApril 10th. Patrick Peralta. Memory From Below: Exposing the Violence of BongBong Marcos\r\n\r\nApril 17th, Thomas Klemm, Title TBA",
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        "event_title":"T.REX",
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        "event_title":"An introduction to webs (Combinatorics seminar)",
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        "combined_title":"An introduction to webs (Combinatorics seminar): Julianna Tymoczko (Smith)",
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        "description":"The combinatorial spider is a diagrammatic category that encodes quantum sl(n) representations, and was formalized by Kuperberg.  Webs are certain directed planar graphs (with edge-weights), corresponding to the morphisms in this category, and endowed with skein-type relations that indicate algebraic equivalences.  Webs are well-understood in the case n=2, when they are essentially noncrossing matchings (or Temperley-Lieb diagrams), and in the substantially more complicated case n=3. \n\nIn this talk, we sketch some of the historical evolution of webs, including work of Kuperberg, Khovanov, Fontaine, and Cautis-Kamnitzer-Morrison, as well as the convergence with a collection of combinatorial ideas about plabic graphs from Postnikov, Fomin-Pylyavskyy, Fraser-Lam-Le, and others.  We also describe a new approach, joint with Heather M. Russell, that uses a set of colored paths called \\emph{strands} to give a global construction for webs, via graph-theoretic and combinatorial notions generalized from smaller dimensions. Time permitting, we'll also allude to connections to algebraic geometry.",
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        "event_title":"AIM Seminar:  The Algebra of Scientific Doubt: From Noether to Noise, from Ritt to the Unknown",
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        "combined_title":"AIM Seminar:  The Algebra of Scientific Doubt: From Noether to Noise, from Ritt to the Unknown: Lior Horesh (IBM Research)",
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        "description":"Abstract:  Scientific progress is defined by a fundamental asymmetry: a theory feels complete until the moment it is proven wrong. In mathematical modeling, we often operate within axiomatic systems, (conservation laws, symmetries, and invariants), that are inevitably incomplete. The central challenge of automated discovery is abduction: can we reason backward from observed phenomena to identify the missing principles that our axioms fail to capture?\n\nIn this talk, I will outline a program for the systematic discovery of physical laws through the lens of algebraic geometry. Building on the AI-Noether framework, which utilized Hilbert's Nullstellensatz and Noether's primary decomposition (I=\u22c2qi) for abductive discovery in exact polynomial settings, we now extend this machinery into two new frontiers. \n\nFirst, we address the \"brittleness\" of symbolic computation by embracing Numerical Algebraic Geometry. Using homotopy continuation and witness sets, we move beyond exact arithmetic to achieve scalable, noise-robust inference in empirical data. Second, we transition from static constraints to dynamical systems via Differential Algebra. By shifting from Hilbert\u2019s Basis Theorem to Ritt\u2019s, and from Gr\u00f6bner bases to Rosenfeld-Gr\u00f6bner characteristic sets, we enable the native discovery of differential equations directly from observations.\n\nThe power of this synthesis is already emerging. Preliminary applications to a series of long-standing open problems in mathematical physics suggest that this framework can identify candidate laws and hidden symmetries where classical derivation has stalled. We are finally positioned to venture into genuinely unknown territory: the discovery of fundamental principles that have remained, until now, just beyond human reach.\n\nContact:  Shravan Veerapaneni",
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        "event_title":"Booking International Flights on a Budget",
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        "event_title":"HET Seminar | Energy Correlators in Particle Physics, QFT and Gravity",
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        "combined_title":"HET Seminar | Energy Correlators in Particle Physics, QFT and Gravity: Ian Moult (Yale)",
        "event_subtitle":"Ian Moult (Yale)",
        "event_type":"Lecture \/ Discussion",
        "event_type_id":"13",
        "description":"Detector operators, of which the average null energy operator provides the most famous example, arise as direct theoretical models of asymptotic measurements in collider experiments. In QFT, detector operators are expressed in terms of \"light-ray operators\", whose correlation functions provide an interesting class of non-perturbatively well-defined observables. \n\nIn this talk, I will give an overview of light-ray\/ detector operators, and attempt highlight the different perspectives and motivations for studying these operators, coming from the CFT, amplitudes and phenomenological communities. I will then present recent measurements of these correlators in experiment, as well as applications to positivity bounds on OPE coefficients.",
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