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11 papers · 1 filter
Sparse Recovery from Combined Fusion Frame Measurements
Petros T. Boufounos, Gitta Kutyniok, Holger Rauhut
Sparse representations have emerged as a powerful tool in signal and information processing, culminated by the success of new acquisition and processing techniques such as Compress…
Asymptotic analysis of a second-order singular perturbation model for phase transitions
Marco Cicalese, Emanuele Nunzio Spadaro, Caterina Ida Zeppieri
We consider the problem of the asymptotic description of a family of energies introduced by Coleman and Mizel in the theory of nonlinear second-order materials depending on an extr…
Lower semicontinuous functionals for Almgren's multiple valued functions
Camillo De Lellis, Matteo Focardi, Emanuele Nunzio Spadaro
We consider general integral functionals on the Sobolev spaces of multiple valued functions, introduced by Almgren. We characterize the semicontinuous ones and recover earlier resu…
Invariant colorings of random planar maps
Adam Timar
Consider Bernoulli(1/2) percolation on , and define a perfect matching between open and closed vertices in a way that is a deterministic equivariant function of the c…
Large Time Existence for Thin Vibrating Plates
H. Abels, M. G. Mora, S. Müller
We construct strong solutions for a nonlinear wave equation for a thin vibrating plate described by nonlinear elastodynamics. For sufficiently small thickness we obtain existence o…
Hints for Off-Shell Mirror Symmetry in type II/F-theory Compactifications
Murad Alim, Michael Hecht, Hans Jockers +3
We perform a Hodge theoretic study of parameter dependent families of D-branes on compact Calabi-Yau manifolds in type II and F-theory compactifcations. Starting from a geometric G…