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A proof of Anđelić-Fonseca conjectures on the determinant of some Toeplitz matrices and their generalization
Linear and Multilinear Algebra ( IF 1.1 ) Pub Date : 2020-05-13 , DOI: 10.1080/03081087.2020.1765959
Bakytzhan Kurmanbek 1 , Yerlan Amanbek 1 , Yogi Erlangga 2
Affiliation  

In this work, we present and prove the explicit formula for the determinant of a class of n×n nonsymmetric Toeplitz matrices. Setting up one of the nonzero subdiagonals to zero results in special pentadiagonal Toeplitz matrices, whose determinant formulas are conjectured by Anđelić and Fonseca in Anđelić [Some determinantal considerations for pentadiagonal matrices. Linear Multilinear Algebra. 2020. DOI:10.1080/03081087.2019.1708845]. By using the explicit formula with this setting, the conjectures are therefore proved.



中文翻译:

Anđelić-Fonseca 猜想关于某些 Toeplitz 矩阵行列式及其推广的证明

在这项工作中,我们提出并证明了一类的行列式的显式公式n×n非对称 Toeplitz 矩阵。将非零子对角线之一设置为零会产生特殊的五对角 Toeplitz 矩阵,其行列式公式由 Anđelić 和 Fonseca 在 Anđelić 中推测出 [关于五对角矩阵的一些行列式考虑。线性多线性代数。2020. DOI:10.1080/03081087.2019.1708845]。因此,通过使用具有此设置的显式公式,可以证明猜想。

更新日期:2020-05-13
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