N&O seminar: Yair Shenfeld (Princeton University)

Everyone is welcome to attend the N&O Lecture of Yair Shenfeld entitled 'Quantum graphs, convex bodies, and a century-old problem of Minkowski'.
  • What Networks & Optimization English Seminars
  • When 03-12-2019 from 14:00 to 15:00 (Europe/Amsterdam / UTC100)
  • Where Room L016 at CWI, Science Park 123 in Amsterdam
  • Contact Name Daniel Dadush
  • Web Visit external website
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Everyone is welcome to attend the N&O Lecture of Yair Shenfeld entitled 'Quantum graphs, convex bodies, and a century-old problem of Minkowski'

Abstract: That the ball minimizes surface area among all sets of fixed volume, was known since antiquity; this is equivalent to the fact that the ball is the unique set which yields equality in the isoperimetric inequality. But the isoperimetric inequality is only a very special case of quadratic inequalities about mixed volumes of convex bodies, whose equality cases were unknown since the time of Minkowski. This talk is about these quadratic inequalities and their unusual equality cases which we (with Ramon van Handel) resolved using degenerate diffusions on the sphere. No background in convex geometry will be assumed.