INFORMAL GEOMETRY AND DYNAMICS
April 29, 2020 4:00 pmTriangulated surfaces are compact (hyperbolic) Riemann surfaces that admit a conformal triangulation by equilateral triangles. Brooks and Makover started the study of the geometry of random large genus triangulated surfaces. Mirzakhani...
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INFORMAL GEOMETRY AND DYNAMICS
April 22, 2020 4:00 pmWe give a construction of a pseudo-Anosov map of a surface starting from (and almost isomorphic to) a hyperbolic automorphism of an n-torus. The construction arises from a peano curve...
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INFORMAL GEOMETRY AND DYNAMICS
April 15, 2020 4:00 pmvia Zoom Video Conferencing: https://harvard.zoom.us/j/972495373 Strata of abelian differentials have long been of interest for their dynamical and algebro-geometric properties, but relatively little is understood about their topology. I will describe a...
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INFORMAL GEOMETRY AND DYNAMICS
April 8, 2020 4:00 pmvia Zoom Video Conferencing: https://harvard.zoom.us/j/972495373 The Oppenheim Conjecture, proved by Margulis, states that any irrational quadratic form, has values (at integer coordinates) that are dense on the real line. However,...
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INFORMAL GEOMETRY AND DYNAMICS
April 1, 2020 4:00 pmvia Zoom Video Conferencing: https://harvard.zoom.us/j/972495373 We will describe how the problem of finding periodic trajectories in a regular pentagon can be solved using a new height on P^1 coming from...
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INFORMAL GEOMETRY AND DYNAMICS
March 25, 2020 4:00 pmSeminar will meet via Zoom Video Conferencing: https://harvard.zoom.us/j/972495373
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