On the regularity of certain three-row almost Hermitian incidence matrices

ЗаглавиеOn the regularity of certain three-row almost Hermitian incidence matrices
Вид публикацияJournal Article
Година на публикуване2020
АвториNikolov G, Petrova B
СписаниеAnnuaire de l’Université de Sofia “St. Kliment Ohridski”. Faculté de Mathématiques et Informatique
Том107
Start Page131
Pagination131-137
ISSN1313-9215 (Print) 2603-5529 (Online)
ключови думиBirkhoff interpolation, Gegen- bauer polynomials, Incidence matrices, Legendre polynomials
Резюме

In this note we present a new proof of the regularity of a class of three-row almost Hermitian matrices, based on some properties of Legendre polynomials.

DOI10.60063/GSU.FMI.107.131-137
2000 MSC

41A55, 65D30, 65D32

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