Results 41 to 50 of about 59,171 (165)

Algorithm and linear convergence of the H-spectral radius of weakly irreducible quasi-positive tensors

Open Mathematics
A class of weakly irreducible quasi-positive tensors is defined by using directed hypergraphs of tensors, which generalizes the essential positive tensors, weakly positive tensors, generalized weakly positive tensors, and weakly essential irreducible ...
Lv Hongbin, Chen Meixiang
doaj   +1 more source

New bounds for the minimum eigenvalue of 𝓜-tensors

Open Mathematics, 2017
A new lower bound and a new upper bound for the minimum eigenvalue of an 𝓜-tensor are obtained. It is proved that the new lower and upper bounds improve the corresponding bounds provided by He and Huang (J. Inequal.
Zhao Jianxing, Sang Caili
doaj   +1 more source

Low-rank nonnegative tensor approximation via alternating projections and sketching [PDF]

, 2023
We show how to construct nonnegative low-rank approximations of nonnegative tensors in Tucker and tensor train formats. We use alternating projections between the nonnegative orthant and the set of low-rank tensors, using STHOSVD and TTSVD algorithms ...
Sultonov, Azamat, Matveev, Sergey, Budzinskiy, Stanislav, Azamat Sultonov, Stanislav Budzinskiy, Sergey Matveev   +5 more
core   +1 more source

Relationship Between Mean Kärger Model Water Exchange Rate and Intercellular Water Transition Rate

Magnetic Resonance in Medicine, EarlyView.
ABSTRACT Purpose To derive a quantitative relationship between the mean Kärger model (KM) water exchange rate and the mean intercellular water transition rate applicable to brain and other complex biological tissues. Theory and Methods The mean KM water exchange rate applies to any KM, accommodates an arbitrary number of compartments, and can be ...
Jens H. Jensen, Hunter G. Moss, Thorsten Feiweier, Andreana Benitez   +3 more
wiley   +1 more source

Some inequalities on the minimum H-eigenvalue for the Fan product and Hadamard product of tensors

Journal of Inequalities and Applications
For the Fan product and the Hadamard product of tensors, we derive several inequalities for the minimum H-eigenvalue of Z $\mathcal{Z}$ -tensors. Using these inequalities, we verify whether the Hadamard product of a nonnegative tensor and a Z $\mathcal{Z}
Hang Guo, Zeyu Xu, Chao Huang, Yue Wang
doaj   +1 more source

Two new eigenvalue localization sets for tensors and theirs applications

Open Mathematics, 2017
A new eigenvalue localization set for tensors is given and proved to be tighter than those presented by Qi (J. Symbolic Comput., 2005, 40, 1302-1324) and Li et al. (Numer. Linear Algebra Appl., 2014, 21, 39-50).
Zhao Jianxing, Sang Caili
doaj   +1 more source

Nonnegative Tensor Completion via Low-Rank Tucker Decomposition: Model and Algorithm

IEEE Access, 2019
We consider the problem of low-rank tensor decomposition of incomplete tensors that has applications in many data analysis problems, such as recommender systems, signal processing, machine learning, and image inpainting.
Bilian Chen, Ting Sun, Zhehao Zhou, Yifeng Zeng, Langcai Cao   +4 more
doaj   +1 more source

Mixed feelings, mixed outcomes? When emotionally ambivalent framing enhances idea appreciation

Strategic Entrepreneurship Journal, EarlyView.
Abstract Research Summary Despite growing interest in how linguistic strategies shape audience responses to innovative ideas, prior evidence on the benefits of using emotional language remains mixed. Building on research on emotional ambivalence and social evaluation, we introduce the concept of emotionally ambivalent framing (i.e., the combination of ...
Donato Cutolo, Denise Falchetti, Henrik Wesemann Lekkas   +2 more
wiley   +1 more source

A new S-type eigenvalue inclusion set for tensors and its applications

Journal of Inequalities and Applications, 2016
In this paper, a new S-type eigenvalue localization set for a tensor is derived by dividing N = { 1 , 2 , … , n } $N=\{1,2,\ldots,n\}$ into disjoint subsets S and its complement.
Zheng-Ge Huang, Li-Gong Wang, Zhong Xu, Jing-Jing Cui   +3 more
doaj   +1 more source

World Models for Robotic Manipulation: A Survey

SmartBot, EarlyView.
World models enable robots to anticipate how candidate actions may alter object configurations, contact states, and scene geometry before physical execution. This survey examines world models for robotic manipulation as action‐conditioned predictive systems and organizes the literature according to predicted representations, interfaces between ...
Fangyuan Wang, Ziyuan Wang, Guorui Pei, Mengshi Zhang, Canxi Liang, Jun Hu, Zhongxuan Li, Jinsong Wu, Ning Han, Zeqing Zhang, Jiaming Qi, Hongmin Wu, Shiyao Zhang, Pai Zheng, Jia Pan, David Navarro‐Alarcon, Sichao Liu, Peng Zhou   +17 more
wiley   +1 more source