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The numerical range of a periodic tridiagonal operator reduces to the numerical range of a finite matrix

• Authors : Itzá-Ortiz, Benjamín A.; Martínez-Avendaño, Rubén A.; Nakazato, Hiroshi

Subjects: Mathematics - Functional Analysis; 47A12 (Primary) 47B02, 47B93 (Secondary)

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The numerical range of a tridiagonal operator

• Authors : Hiroshi Nakazato; Mao-Ting Chien

Subjects: Rogers–Ramanujan identities; Applied Mathematics; Tridiagonal operator

• Source: Journal of Mathematical Analysis and Applications. 373:297-304

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The numerical range of a periodic tridiagonal operator reduces to the numerical range of a finite matrix

• Authors : Benjamín A. Itzá-Ortiz; Rubén A. Martínez-Avendaño; Hiroshi Nakazato

Subjects: Mathematics - Functional Analysis; FOS: Mathematics; 0101 mathematics

• Source: Journal of Mathematical Analysis and Applications. 506:125713

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Solution of a tridiagonal operator equation

• Authors : S. H. Kulkarni; R. Balasubramanian; R. Radha

Subjects: Numerical Analysis; Tridiagonal matrix; Algebra and Number Theory

• Source: Linear Algebra and its Applications. 414:389-405

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Continuity and essential norm of operators defined by infinite tridiagonal matrices in weighted Orlicz and l∞ spaces

• Authors : Ramos-Fernández Julio C.; Ramos-Salas Carlos J.; Salas-Brown Margot

Subjects: compact operators; essential norm; tridiagonal operator

• Source: Open Mathematics, Vol 23, Iss 1, Pp 308-358 (2025)

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Approximating the spectrum and pseudospectrum of a non-self-adjoint random tridiagonal operator

• Authors : Ratchanikorn Chonchaiya; The Pennsylvania State University CiteSeerX Archives

• Source: http://www-user.tu-chemnitz.de/~peju/workshop/abstracts/Chonchaiya_Ratchanikorn.pdf.

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Relative asymptotics for orthogonal matrix polynomials

• Authors : Francisco Marcellán; A. Mendes; Amílcar Branquinho

Subjects: Asymptotic results; Numerical Analysis; Algebra and Number Theory

• Source: Linear Algebra and its Applications. 437:1458-1481

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The J-matrix method

• Authors : Ismail, M.E.H.; Koelink, Erik

Subjects: Orthogonal polynomials; Applied Mathematics; FOS: Physical sciences

• Source: Advances in Applied Mathematics, 46, 1-4, pp. 379-395

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Matrix interpretation of multiple orthogonality

• Authors : Branquinho, Amílcar; Cotrím, Luís; Foulquié Moreno, Ana Pilar

Subjects: Multiple-orthogonal polynomials; Favard type theorem; Block tridiagonal operator

• Source: Numerical Algorithms. 55:19-37

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Vector interpretation of the matrix orthogonality on the real line

• Authors : A. Branquinho; A. Mendes; The Pennsylvania State University CiteSeerX Archives

Subjects: Matrix orthogonal polynomials; Hermite-Pade ́ problems; linear func- tional

• Source: http://www.mat.uc.pt/preprints/ps/p0941.pdf.

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