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Seminar Details

An Isoperimetric Inequality for the Hamming Cube and Some Consequences

  • Start Date: March 27, 2019
  • Event Start Time: 12:15 PM
  • Event End Time: 1:15 PM
  • Seminar Series: Graduate Combinatorics Seminar
  • Presenter(s): Jinyoung Park - Rutgers University
  • Event Location: Mathematics Graduate Student Lounge -- 7th Floor | Rutgers University | Hill Center | Mathematics Department
  • Presentation Type: Stand Alone Presentation
  • Abstract:

    I will introduce an isoperimetric inequality for the Hamming cube and some of its applications. The applications include a "stability" version of Harper's edge-isoperimetric inequality, which was first proved by Friedgut, Kalai and Naor for half cubes, and later by Ellis for subsets of any size. Our inequality also plays a key role in a recent result on the asymptotic number of maximal independent sets in the cube. This is joint work with Jeff Kahn.