\(l^{k,s}\)-singular values and spectral radius of rectangular tensors
This paper deals with spectral issues of real \((p,q)\)-th order \((m\times n)\)-dimensional rectangular tensors. The concepts of \(l^{k,s}\)-singular values/vectors of real nonnegative partially symmetric rectangular tensors are introduced and their properties are investigated. Then some results on singular values/vectors of rectangular tensors previously stated in the literature are extended to \(l^{k,s}\)-singular values/vectors. In particular, analog versions of the Perron-Frobenius theorem are proposed.
scientific article; zbMATH DE number 6151566