Geodesic
Global solvability of a problem governing the motion of two incompressible capillary fluids in a container
Zapiski Nauchnykh Seminarov POMI, Boundary-value problems of mathematical physics and related problems of function theory. Part 42, Tome 397 (2011), pp. 20-52 
I. V. Denisova; V. A. Solonnikov. Global solvability of a problem governing the motion of two incompressible capillary fluids in a container. Zapiski Nauchnykh Seminarov POMI, Boundary-value problems of mathematical physics and related problems of function theory. Part 42, Tome 397 (2011), pp. 20-52. http://geodesic.mathdoc.fr/item/ZNSL_2011_397_a1/
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     title = {Global solvability of a~problem governing the motion of two incompressible capillary fluids in a~container},
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Voir la notice du chapitre de livre provenant de la source Math-Net.Ru

We deal with the motion of two incompressible fluids in a container, one of which is inside another. We take surface tension into account. We prove that this problem is uniquely solvable in an infinite time interval provided the initial velocity of the liquids is small and an initial configuration of the inner fluid is close to a ball. Moreover, we show that the velocity decays exponentially at infinity with respect to time and that the interface between the fluids tends to a sphere of the certain radius. The proof is based on the exponential estimate of a generalized energy and on a local existence theorem of the problem in anisotropic Hölder spaces. We follow the scheme developed by one of the authors for proving global solvability of a problem governing the motion of one incompressible capillary fluid bounded by a free surface.

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