SEMINARS, CMSA EVENTS
November 27, 2023 10:30 amWe shall first explain the relation between a family of deformations of genus zero p-adic string worldsheet action and Tate's thesis. We then propose a genus one p-adic string worldsheet...
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SEMINARS, CMSA EVENTS
November 22, 2023 4:00 pmIn this talk we investigate deconfined phases of two-dimensional ZN lattice gauge theories associated to spatially modulated symmetries. In order to study the low-energy physics of such modulated gauge theories...
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SEMINARS, HARVARD-MIT ALGEBRAIC GEOMETRY
November 21, 2023 3:00 pmSolomon Lefschetz showed that the Picard group of a general surface in P3 of degree greater than three is ZZ. That is, the vast majority of surfaces in P3 have...
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CMSA EVENTS
November 20, 2023 9:00 amFor more information and to register online, please see: https://cmsa.fas.harvard.edu/event/mathscilit2023/
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CMSA EVENTS
November 20, 2023 4:30 pmRecent progress in generating synapse-level maps of brains, a field known as connectomics, brings both opportunities and challenges. The upside is that the biophysical instantiation of memories, behaviors, and knowledge...
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SEMINARS, CMSA EVENTS
November 20, 2023 2:00 pmThe half-filled Landau level is a fascinating point in the phase diagram of quantum Hall effect that has been hypothesized to be a non-Fermi liquid where composite-fermions (CFs) emerge at...
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SEMINARS, GAUGE-TOPOLOGY-SYMPLECTIC
November 17, 2023 3:30 pmng-Mills gauge theory with gauge group SU(2) has played a significant role in the study of the topology of 3- and 4-manifolds. It is natural to ask whether we obtain...
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SEMINARS, HARVARD-MIT COMBINATORICS
November 17, 2023 3:00 pmSuppose that we only see small “k x k snapshots” of a random two-dimensional “n x n picture”: can we piece the original picture back together? Motivated by the one-dimensional...
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SEMINARS, OPEN NEIGHBORHOOD
November 15, 2023 4:30 pmThe subject of knot theory concerns the phenomena of "knotting", "tangling", and "braiding", investigated from a mathematical point of view. I'll discuss a family of tangles called rational tangles and...
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SEMINARS, HARVARD-MIT COMBINATORICS
November 15, 2023 4:15 pmDiscrete Morse theory, developed by Forman, is an efficient tool to determine the homotopy type of a regular CW complex. The theory has been reformulated by Chari in purely combinatorial...
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