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cs.IT2018★ 28 cited
The basins of attraction of the global minimizers of the non-convex sparse spike estimation problem
Yann Traonmilin, Jean-François Aujol
The sparse spike estimation problem consists in estimating a number of off-the-grid impulsive sources from under-determined linear measurements. Information theoretic results ensur…
math.OC2018
Optimal convergence rates for Nesterov acceleration
Jean François Aujol, Charles Dossal, Aude Rondepierre
In this paper, we study the behavior of solutions of the ODE associated to Nesterov acceleration. It is well-known since the pioneering work of Nesterov that the rate of convergenc…