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Riku Akema

2 accepted papers

2020

Exploiting Commutativity Condition for CP Decomposition Via Approximate Simultaneous Diagonalization

ICASSP 2020accepted

In this paper, we propose a novel strategy which utilizes an inherent algebraic property of simultaneously diagonalizable matrix tuples, i.e., commutativity, for both (i) reducing approximate CP decomposition of a higher-order tensor to Approximate Simultaneous Diagonalization (ASD) and (ii) solving…

Cited by 0SourceScholar
2019

An Alternating Projection Algorithm for Approximate Simultaneous Diagonalization

ICASSP 2019accepted

In this paper, we present a novel formulation of Approximate Simultaneous Diagonalization (ASD) with a nonconvex feasibility problem to find a structured low rank matrix whose building blocks are the Kronecker sums of given multiple matrices. To tackle this feasibility problem, we propose an alterna…

Cited by 0SourceScholar