Fourth order tensors and covariance tensors

Bai, JX; Wang, J; Xu, CQ

Xu, CQ (通讯作者),Suzhou Univ Sci & Technol, Sch Math Sci, Suzhou, Peoples R China.

ANNALS OF FUNCTIONAL ANALYSIS, 2023; 14 (3):

Abstract

In this paper, we investigate the invertibility of the fourth-order cubic tensors and present several necessary and sufficient conditions for such ten......

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