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12:15 pm

Nonvanishing minors and uncertainty principles for Fourier analysis over finite fields (Daniel Katz, CSUN)

March 5 @ 12:15 pm - 1:10 pm
Millikan 2099, Pomona College, 610 N. College Ave.
Claremont, CA 91711 United States
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Chebotarev's theorem on roots of unity says that every minor of a discrete Fourier transform matrix of prime order is nonzero. We present a generalization of this result that includes analogues for discrete cosine and discrete sine transform matrices as special cases.  This leads to a generalization of the Biro-Meshulam-Tao uncertainty principle to functions with […]

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