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Eternal forced mean curvature flows III - Morse homology. arXiv:1601.03437

Preprint, arXiv:1601.03437 [math.DG] (2016).
Summary: We complete the theoretical framework required for the construction of a Morse homology theory for certain types of forced mean curvature flows. The main result of this paper describes the asymptotic behaviour of these flows as the forcing term tends to infinity in a certain manner. This result allows the Morse homology to be explicitely calculated, and will permit us to show in forthcoming work that, for a large family of smooth positive functions, \(F\), defined over a \((d+1)\)-dimensional flat torus, there exist at least \(2^{d+1}\) distinct, locally strictly convex, Alexandrov-embedded hyperspheres of mean curvature prescribed at every point by \(F\).

MSC:

35A01 Existence problems for PDEs: global existence, local existence, non-existence
35K59 Quasilinear parabolic equations
53C21 Methods of global Riemannian geometry, including PDE methods; curvature restrictions
53C42 Differential geometry of immersions (minimal, prescribed curvature, tight, etc.)
53C44 Geometric evolution equations (mean curvature flow, Ricci flow, etc.) (MSC2010)
53C45 Global surface theory (convex surfaces à la A. D. Aleksandrov)
57R99 Differential topology
58B05 Homotopy and topological questions for infinite-dimensional manifolds
58E05 Abstract critical point theory (Morse theory, Lyusternik-Shnirel’man theory, etc.) in infinite-dimensional spaces
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