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Related papers: Eigenvalues and structured properties of P-tensors

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In this paper, we prove that all H$^+$(Z$^+$)-eigenvalues of each principal sub-tensor of a strictly semi-positive tensor are positive. We define two new constants associated with H$^+$(Z$^+$)eigenvalues of a strictly semi-positive tensor.…

Optimization and Control · Mathematics 2022-02-09 Yisheng Song , Liqun Qi

In this paper, we give a further study on $B$-tensors and introduce doubly $B$-tensors that contain $B$-tensors. We show that they have similar properties, including their decompositions and strong relationship with strictly (doubly)…

Spectral Theory · Mathematics 2016-04-29 Lu Ye , Zhongming Chen

Eigenvectors of tensors, as studied recently in numerical multilinear algebra, correspond to fixed points of self-maps of a projective space. We determine the number of eigenvectors and eigenvalues of a generic tensor, and we show that the…

Numerical Analysis · Mathematics 2018-06-18 Dustin Cartwright , Bernd Sturmfels

C-eigenvalues of piezoelectric-type tensors which are real and always exist, are introduced by Chen et al. [1]. And the largest C-eigenvalue for the piezoelectric tensor determines the highest piezoelectric coupling constant. In this paper,…

Numerical Analysis · Mathematics 2017-04-10 Chaoqian Li , Yaotang Li

We study M-tensors and various properties of M-tensors are given. Specially, we show that the smallest real eigenvalue of M-tensor is positive corresponding to a nonnegative eigenvector. We propose an algorithm to find the smallest positive…

Numerical Analysis · Mathematics 2012-03-01 Liping Zhang , Liqun Qi , Guanglu Zhou

Tensor eigenvalues and eigenvectors have been introduced in the recent mathematical literature as a generalization of the usual matrix eigenvalues and eigenvectors. We apply this formalism to a tensor that describes a multipartite symmetric…

Quantum Physics · Physics 2016-10-26 Fabian Bohnet-Waldraff , Daniel Braun , Olivier Giraud

This paper systematically investigates the properties and characterization of interval B-tensors and interval double B-tensors. We propose verifiable necessary and sufficient conditions that allow for determining whether an entire interval…

Optimization and Control · Mathematics 2026-01-21 Li Ye , Yisheng Song

This paper introduces the notion of tubular eigenvalues of third-order tensors with respect to T-products of tensors and analyzes their properties. A focus of the paper is to discuss relations between tubular eigenvalues and two alternative…

Numerical Analysis · Mathematics 2023-05-11 Fatemeh P. A. Beik , Yousef Saad

We first prove two new spectral properties for symmetric nonnegative tensors. We prove a maximum property for the largest H-eigenvalue of a symmetric nonnegative tensor, and establish some bounds for this eigenvalue via row sums of that…

Spectral Theory · Mathematics 2012-11-27 Liqun Qi

In this paper, we extend some classes of structured matrices to higher order tensors. We discuss their relationships with positive semi-definite tensors and some other structured tensors. We show that every principal sub-tensor of such a…

Spectral Theory · Mathematics 2014-06-24 Yisheng Song , Liqun Qi

In recent years several classes of structured matrices are extended to classes of tensors in the context of tensor complementarity problem. The tensor complementarity problem is a class of nonlinear complementarity problem where the…

Optimization and Control · Mathematics 2022-09-02 R. Deb , A. K. Das

In this paper, we propose two new classes of tensors: double B-tensors and quasi-double B-tensors, give some properties of double B-tensors and quasi-double B-tensors, discuss their relationships with B-tensors and positive definite tensors…

Rings and Algebras · Mathematics 2014-08-13 Chaoqian Li , Yaotang Li

Strong ellipticity is an important property in the elasticity theory. In 2009, M-eigenvalues were introduced for the elasticity tensor. It was shown that M-eigenvalues are invariant under coordinate system choices, and the strong…

Rings and Algebras · Mathematics 2018-01-23 Hua Xiang , Liqun Qi , Yimin Wei

In this paper, a new class of positive semi-definite tensors, the MO tensor, is introduced. It is inspired by the structure of Moler matrix, a class of test matrices. Then we focus on two special cases in the MO-tensors: Sup-MO tensor and…

Spectral Theory · Mathematics 2018-09-26 Yi Xu , Jinjie Liu , Liqun Qi

The concepts of P- and P$_0$-matrices are generalized to P- and P$_0$-tensors of even and odd orders via homogeneous formulae. Analog to the matrix case, our P-tensor definition encompasses many important classes of tensors such as the…

Spectral Theory · Mathematics 2015-07-27 Weiyang Ding , Ziyan Luo , Liqun Qi

We study schemes of tensor eigenvectors from an algebraic and geometric viewpoint. We characterize determinantal defining equations of such eigenschemes via linear equations in their coefficients, both in the general and in the symmetric…

Algebraic Geometry · Mathematics 2023-08-22 Valentina Beorchia , Francesco Galuppi , Lorenzo Venturello

In this paper, we focus on the perturbation analysis of the largest C-eigenvalue of the piezoelectric-type tensor which has concrete physical meaning which determines the highest piezoelectric coupling constant. Three perturbation bounds…

Numerical Analysis · Mathematics 2023-07-21 Xifu Liu , Dongdong Liu , Yaping Shi

We first show that the eigenvector of a tensor is well-defined. The differences between the eigenvectors of a tensor and its E-eigenvectors are the eigenvectors on the nonsingular projective variety $\mathbb S=\{\mathbf x\in\mathbb…

Spectral Theory · Mathematics 2015-03-13 Shenglong Hu , Liqun Qi

This paper deals with eigenvalues and eigenvectors of bicomplex linear operators defined on bicomplex space. We investigate the properties of these operators in the context of eigenvalues and eigenvectors, along with some relevant theorems.…

Representation Theory · Mathematics 2025-03-25 Anjali Anjali , Akhil Prakash , Amita , Prabhat Kumar

We give an introduction to the theory and to some applications of eigenvectors of tensors (in other words, invariant one-dimensional subspaces of homogeneous polynomial maps), including a review of some concepts that are useful for their…

Algebraic Geometry · Mathematics 2022-09-20 Sebastian Walcher
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