Abstract
D-majorization is a group-induced cone ordering on \({\mathbb {R}}^{n}\) induced by group \(G=\{cP: c\in \{-1,1\},\ \ P\in {\mathcal {P}}(n)\}\), where \({\mathcal {P}}(n)\) is the set of all n-by-n permutation matrices. For x, \(y\in {\mathbb {R}}^{n}\), x is said to be D-majorized by y (denoted by \(x\prec _{D}y\)) if there exists some \(D\in \mathrm{Conv(G)}\) such that \(x=Dy\). In the present paper, the concept of D-majorization is studied and then the linear preservers of this concept are characterized.
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Communicated by Hamid Reza Ebrahimi Vishki.
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Mohammadhasani, A. Generalized Doubly Stochastic Matrices and Linear Preservers of D-majorization. Bull. Iran. Math. Soc. 45, 1457–1466 (2019). https://doi.org/10.1007/s41980-019-00208-4
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DOI: https://doi.org/10.1007/s41980-019-00208-4