PDE and mathematical physics

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27 February 2020
18:10-19:10

Dr. Jacek Jendrej
Université Sorbonne Paris-Nord

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Title	[Video] Strongly interacting kink-antikink pairs for scalar fields on a line
Speaker, Affiliation	Dr. Jacek Jendrej, Université Sorbonne Paris-Nord
Date, Time	27 February 2020, 18:10-19:10
Location	Y27 H 35/36
Abstract	Abstract: I will present a recent joint work with Michal Kowalczyk and Andrew Lawrie. A nonlinear wave equation with a double-well potential in 1+1 dimension admits stationary solutions called kinks and antikinks, which are minimal energy solutions connecting the two minima of the potential. We study solutions whose energy is equal to twice the energy of a kink, which is the threshold energy for a formation of a kink-antikink pair. We prove that, up to translations in space and time, there is exactly one kink-antikink pair having this threshold energy. I will explain the main ingredients of the proof. ,Slides

[Video] Strongly interacting kink-antikink pairs for scalar fields on a lineread_more

Y27 H 35/36

7 May 2020
18:10-19:10

Dr. Martí Prats
Department of Mathematics, Aalto University

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Title	Title T.B.A.
Speaker, Affiliation	Dr. Martí Prats, Department of Mathematics, Aalto University
Date, Time	7 May 2020, 18:10-19:10
Location	Y27 H 35/36

Title T.B.A.

Y27 H 35/36

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Organisers: Mikaela Iacobelli, Thomas Kappeler, Xavier Ros-Oton, Benjamin Schlein

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