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  • Thursday, November 17, 2016
  • 3:40 PM–4:30 PM
  • North Hall 276

Sivaram Narayan, Professor of Mathematics at Central Michigan University

A frame is a possibly redundant collection of vectors ffigi2I that span an
n-dimensional inner product space. A tight frame is a generalization of an or-
thonomal basis. A frame ffigi2I is said to be scalable if there exist nonnegative
scalars fcigi2I such that fcifigi2I is a tight frame. In this talk we will discuss
the combinatorial structure of frames and their decomposition into tight or scal-
able subsets using partially-ordered sets. We will de ne the factor poset of a
frame and address the inverse factor poset problem.

Refreshments precede the talk at 3:30 p.m., in NH 282.

November 2016
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