TY  - JOUR
AU  - Branquinho, Amilcar
AU  - Foulquié Moreno, Ana
AU  - Mañas Baena, Manuel Enrique
PY  - 2023
DO  - 10.1007/s13324-023-00801-1
SN  - 1664-2368
UR  - https://hdl.handle.net/20.500.14352/72313
T2  - Analysis and mathematical physics
AB  - Recently a spectral Favard theorem for bounded banded lower Hessenberg matrices that admit a positive bidiagonal factorization was presented. These type of matrices are oscillatory. In this paper the Lima-Loureiro hypergeometric multiple orthogonal...
LA  - eng
PB  - Springer Basel AG
KW  - Tetradiagonal Hessenberg matrices
KW  - Oscillatory matrices
KW  - Totally nonnegative matrices
KW  - Multiple orthogonal polynomials
KW  - Favard spectral representation
KW  - Darboux transformations
KW  - Christoffel formulas
TI  - Bidiagonal factorization of tetradiagonal matrices and Darboux transformations
TY  - journal article
VL  - 13
ER  -