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Science at the Edge Seminar February 17, 2017 - Friday 11:30 a.m. room 1400 Biomedical Physical Sciences Bldg. Mirror, mirror: String Theory and Pairs of Polyhedra Speaker: Ursula Whitcher, Associate Editor at Mathematical Reviews (http://www-personal.umich.edu/~uaw/<http://www-personal.umich.edu/%7Euaw/>) General abstract: String theory predicts that the universe should have six extra dimensions. But what is the shape of these extra dimensions? It turns out that more than one shape may produce the same physical consequences. This observation astonished mathematicians and led to the field of math and physics research known as "mirror symmetry". We'll describe how to use special polygons and polyhedra to write equations for the extra dimensions and their "mirror" counterparts. Kendall Mahn Host Michigan State University Dept. Physics and Astronomy Shawna Prater-CHRS Secretary for Astrophysics/CMP Theory POC for Physics SATE seminars/COLLOQUIUM 3261BPS, 567 Wilson Road East Lansing, MI 48824-6405 [log in to unmask]<mailto:[log in to unmask]> fax 517.432.8802 [msu]