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SUMMARY:Lower bound on the radius of analyticity for solutions of Navier-S
 tokes - Milton  da Costa Lopes Filho (Universidade Federal do Rio de Janei
 ro (UFRJ))
DTSTART:20220617T130000Z
DTEND:20220617T140000Z
UID:TALK175925@talks.cam.ac.uk
DESCRIPTION:In 2011\, Z. Lei and F. Lin gave a proof of existence of a glo
 bal mild solution of the three-dimensional Navier-Stokes equations in scal
 e-invariant function spaces based on the Wiener algebra.&nbsp\; An alterna
 tive proof of existence of these solutions was developed by H.\nBae in 201
 7\, and this new proof allowed for an estimate of the radius of analyticit
 y of the solutions at positive times.&nbsp\; We adapt the Bae proof to pro
 ve existence of the Lei-Lin solution in the spatially periodic setting\, f
 inding an improved bound for the radius of analyticity in this case
LOCATION:Seminar Room 2\, Newton Institute
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