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English
Etymology
From hyper- + contractivity.
Noun
hypercontractivity (uncountable)
- (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:Moreover, we show a uniform bound for the existence time of solutions as well as an optimal hypercontractivity estimate..