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Speaker: Madhu Sudan (Harvard) Title: Communication Complexity of Randomness Manipulation Abstract: The task of manipulating randomness has been a subject of intense investigation in the theory of computer science. The classical definition of this task consider a single processor massaging random samples from an unknown source and trying to convert it into a sequence of uniform independent bits. In […] |
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Speaker: Xiao-Gang Wen (MIT) Title: Emergence of graviton-like excitations from a lattice model Abstract: I will review some construction of lattice rotor model which give rise to emergent photons and graviton-like excitations. The appearance of vector-like charge and symmetric tensor field may be related to gapless fracton phases. |
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