MATHEMATICAL PICTURE LANGUAGE
May 19, 2020 10:00 amWe present explicit constructions of infinite families of CW- complexes of arbitrary dimension with buildings as the universal covers. These complexes give rise to new families of C*-algebras, classifiable by their...
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MATHEMATICAL PICTURE LANGUAGE
May 12, 2020 10:00 amThe partition functions of euclidean quantum field theory can be described as functions on the moduli space of compact manifolds with Riemanninan metric that have few generalized derivatives. The conventional...
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MATHEMATICAL PICTURE LANGUAGE
May 5, 2020 10:00 amSuppose that some information is transmitted by an undulatory signal. In Classical Field Theory, the stress-energy tensor provides the energy-momentum density of the wave packet at any time. But, how...
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MATHEMATICAL PICTURE LANGUAGE
April 28, 2020 10:00 amExperimentalists are getting better and better at building qubits, but no matter how hard they try, their qubits will never be perfect. In order to build a large quantum computer, we...
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MATHEMATICAL PICTURE LANGUAGE
April 21, 2020 10:00 amWork of Ernst Specker (1960), Simon Kochen and Ernst Specker (1967), and John Bell (1964) concerning the non-existence of a hidden-variables theory reproducing the predictions of Quantum Mechanics is reviewed....
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MATHEMATICAL PICTURE LANGUAGE
April 14, 2020 10:00 amvia Zoom Video Conferencing: https://harvard.zoom.us/j/779283357 We study the nonlinear Schroedinger equation (NLS) with bounded initial data which does not vanish at infinity. Examples include periodic, quasi-periodic and random initial data....
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MATHEMATICAL PICTURE LANGUAGE
April 7, 2020 10:00 amvia Zoom Video Conferencing: https://harvard.zoom.us/j/779283357 Circularly polarized light (i.e. helicity) is a concept defined in terms of plane wave expansions of solutions to Maxwell's equations. We wish to find an...
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MATHEMATICAL PICTURE LANGUAGE
March 31, 2020 10:00 amvia Zoom Video Conferencing: https://harvard.zoom.us/j/779283357 A liquid crystal is a phase of matter in which order and disorder coexist: for some degrees of freedom, there is order, whereas for others,...
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MATHEMATICAL PICTURE LANGUAGE
March 24, 2020 3:30 pmvia Zoom Video Conferencing: https://harvard.zoom.us/j/881015355
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MATHEMATICAL PICTURE LANGUAGE
March 10, 2020 3:00 pmVariational quantum algorithms such as VQE or QAOA aim to simulate low-energy properties of quantum many-body systems or find approximate solutions of combinatorial optimization problems. Such algorithms employ variational states...
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