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SUMMARY:Erik Wahlén (Lund University)
DTSTART:20201103T200000Z
DTEND:20201103T210000Z
DTSTAMP:20260423T035910Z
UID:ONEPAS/7
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/ONEPAS/7/">T
 hree-dimensional water waves</a>\nby Erik Wahlén (Lund University) as par
 t of Online Northeast PDE and Analysis Seminar\n\n\nAbstract\nThe other ta
 lks in the series have concentrated on two-dimensional water waves. In my 
 talk I will give an overview of the considerably younger three-dimensional
  theory. In the irrotational case\, there is by now a rich existence theor
 y for small-amplitude solutions. These can have different behaviours in di
 fferent horizontal directions\, e.g. periodic or solitary. In the talk I w
 ill mainly focus on waves which are "doubly periodic"\, that is\, periodic
  in two different horizontal directions\, or "fully localised"\, that is\,
  solitary in all horizontal directions. As we will see\, surface tension p
 lays a much more crucial role than in 2D. I will also discuss some recent 
 work on 3D water waves with vorticity.\n
LOCATION:https://researchseminars.org/talk/ONEPAS/7/
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