hypercontractivity

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English

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Etymology

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From hyper- +‎ contractivity.

Noun

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hypercontractivity (uncountable)

  1. (physics) Excessive contractivity of the higher frequencies in a Fourier spectrum.
    • 2015, Piotr Biler, Jacek Zienkiewicz, “Existence of solutions for the Keller-Segel model of chemotaxis with measures as initial data”, in arXiv[1]:
      Moreover, we show a uniform bound for the existence time of solutions as well as an optimal hypercontractivity estimate..