Combinatorics and Probability Seminar

Corrine Yap
Reconstructing random pictures
Abstract: Reconstruction problems ask whether or not it is possible to uniquely build a discrete structure from the collection of its substructures of a fixed size. Some well-studied examples include graphs, abelian groups, and geometric sets. In this talk, we'll consider the reconstruction of random pictures (n-by-n grids with binary entries) and prove a nearly-sharp threshold. Our main proof technique is an interface argument commonly used in percolation theory.
Monday September 13, 2021 at 2:00 PM in 636 SEO
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