Obra digital
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Maximal values for the simultaneous number of null components of a vector and its Fourier transform
Debernardi Pinos, Alberto
Keywords: Uncertainty principle, Fourier matrix, Fourier submatrix, DFT.
A Geometric application of Runge's theorem
Castro-Infantes, Ildefonso
Keywords: Harmonic map, proper map, Riemann surface, Runge theorem
On the Concept of fractality for groups of automorphisms of a regular rooted tree
Uria-Albizuri, Jone
Keywords: Rooted tree, automorphism, fractal.
Stochasticity conditions for the general Markov model
Garrote López, Marina
Keywords: Phylogenetic tree, phylogenetic invariants, topology invariants, general Markov model, joint distribution, tensor.
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