3 citations · 6 across the 3 of their papers we have counts for
3 papers
math.CA2008★ 2 cited
On Parametrization of Compact Wavelet Matrices
Lasha Ephremidze, Gigla Janashia, Edem Lagvilava
It is given an efficient complete parametrization of wavelet matrices of rank , genus , and degree , which are naturally identified with corresponding polynomial parauni…
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