3 citations · 6 across the 3 of their papers we have counts for
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math.CV2009
A New Method of Matrix Spectral Factorization
Gigla Janashia, Edem Lagvilava, Lasha Ephremidze
A new method of matrix spectral factorization is proposed which reliably computes an approximate spectral factor of any matrix spectral density that admits spectral factorization
math.CV2007★ 3 cited
An Analytic Proof of the Matrix Spectral Factorization Theorem
L. Ephremidze, G. Janshia, E. Lagvilava
An analytic proof is proposed of Wiener's theorem on factorization of positive definite matrix-functions.
math.CV2007★ 1 cited
A simple proof of the matrix-valued Fejér-Riesz theorem
L. Ephremidze, G. Janashia, E. Lagvilava
A very short proof of the Fejér-Riesz lemma is presented in the matrix case