T-positive semidefiniteness of third-order symmetric tensors and T-semidefinite programming
Sign Up to like & getrecommendations! Published in 2021 at "Computational Optimization and Applications"
DOI: 10.1007/s10589-020-00231-w
Abstract: The T-product for third-order tensors has been used extensively in the literature. In this paper, we first introduce first-order and second-order T-derivatives for the multi-variable real-valued function with the tensor T-product. Inspired by an equivalent… read more here.
Keywords: order; third order; symmetric tensors; positive semidefiniteness ... See more keywords
A note on the positive semidefiniteness of Aα(G)
Sign Up to like & getrecommendations! Published in 2017 at "Linear Algebra and its Applications"
DOI: 10.1016/j.laa.2016.12.042
Abstract: Abstract Let G be a graph with adjacency matrix A ( G ) and let D ( G ) be the diagonal matrix of the degrees of G. For every real α ∈ [ 0… read more here.
Keywords: min; note positive; positive semidefiniteness;