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  • The stability of charged black holes

    Abstract: Black holes solutions in General Relativity are parametrized by their mass, spin and charge. In this talk, I will motivate why the charge of black holes adds interesting dynamics to […]

  • CMSA-Interdisciplinary-Science-Seminar-11.04.21-1583x2048-1

    11/4/21 CMSA Interdisciplinary Science Seminar

    Title: Exploring Invertibility in Image Processing and Restoration Abstract: Today’s smartphones have enabled numerous stunning visual effects from denoising to beautification, and we can share high-quality JPEG images easily on the internet, […]

  • The Greene-Plesser Construction Revisited

    Member Seminar Speaker: Chuck Doran Title: The Greene-Plesser Construction Revisited Abstract: The first known construction of mirror pairs of Calabi-Yau manifolds was the Greene-Plesser “quotient and resolve” procedure which applies to pencils […]

  • Hypergraph decompositions and their applications

    Speaker: Peter Keevash, Oxford Title: Hypergraph decompositions and their applications Abstract: Many combinatorial objects can be thought of as a hypergraph decomposition, i.e. a partition of (the edge set of) one hypergraph […]

  • 20211110_Richard-Thomas_poster

    Higher rank DT theory from rank 1

    Abstract: Fix a Calabi-Yau 3-fold X. Its DT invariants count stable bundles and sheaves on X. The generalised DT invariants of Joyce-Song count semistable bundles and sheaves on X. I will […]

  • Sharp decay for Teukolsky equation in Kerr spacetimes

    Abstract: Teukolsky equation in Kerr spacetimes governs the dynamics of the spin $s$ components, $s=0, \pm 1, \pm 2$ corresponding to the scalar field, the Maxwell field, and the linearized […]

  • Nonreciprocal matter: living chiral crystals

    Abstract: Active crystals are highly ordered structures that emerge from the nonequilibrium self-organization of motile objects, and have been widely studied in synthetic and bacterial active matter. In this talk, I […]

  • CMSA-Interdisciplinary-Science-Seminar-11.11.21

    11/11/21 Interdisciplinary Science Seminar

    Title: The Kervaire conjecture and the minimal complexity of surfaces Abstract: We use topological methods to solve special cases of a fundamental problem in group theory, the Kervaire conjecture. The conjecture […]

  • Universal relations between entanglement, symmetries, and entropy

    Member Seminar Speaker: Gabriel Wong  Title: Universal relations between entanglement, symmetries, and entropy Abstract: Entanglement is an essential property of quantum systems that distinguishes them from classical ones.   It is responsible […]