Browsing Artículos by Author "https://orcid.org/0000-0001-9552-0073"
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Matrix Gegenbauer polynomials : the 2×2 fundamental cases
Pacharoni, María Inés; Zurrián, Ignacio Nahuel (2016)In this paper, we exhibit explicitly a sequence of 2 × 2 matrix valued orthogonal polynomials with respect to a weight W p,n , for any pair of real numbers p and n such that 0 < p < n. The entries of these polynomiales ... -
Time and band limiting for matrix valued functions : an integral and a commuting differential operator
Grünbaum, Francisco Alberto; Pacharoni, María Inés; Zurrián, Ignacio Nahuel (2017)The problem of recovering a signal of finite duration from a piece of its Fourier transform was solved at Bell Labs in the 1960’s, by exploiting a “miracle”: a certain naturally appearing integral operator commutes with ...