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Some classes of nonsingular tensors and application
Linear and Multilinear Algebra ( IF 0.9 ) Pub Date : 2023-02-03 , DOI: 10.1080/03081087.2023.2172540
Jun He 1 , Yanmin Liu 1 , Wei Lv 2
Affiliation  

The concept of CπR-matrix is extended to CπR-tensor, which also generalizes the concept of C-tensor. A necessary and sufficient condition for a tensor to be a CπR-tensor is provided. We analyse decompositions of CπR-tensors and prove that CπR-tensors are nonsingular. Positive linear combinations and Hadamard product of two CπR-tensors are also discussed. Finally, some properties of BπR-tensor are given to localize real eigenvalues of a tensor.



中文翻译:

几类非奇异张量及其应用

的概念CπR-矩阵扩展为CπR-tensor,它也概括了C -tensor 的概念。张量成为a的充分必要条件CπR-提供张量。我们分析分解CπR-张量并证明CπR-张量是非奇异的。正线性组合和两个的 Hadamard 乘积CπR- 还讨论了张量。最后,一些属性πR-张量用于定位张量的实特征值。

更新日期:2023-02-05
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