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math.RA2019
Minus Partial Order in Regular Modules
Burcu Ungor, Sait Halicioglu, Abdullah Harmanci +1
The minus partial order is already known for sets of matrices over a field and bounded linear operators on arbitrary Hilbert spaces. Recently, this partial order has been studied o…
math.FA2019
Preservers of partial orders on the set of all variance-covariance matrices
Iva Golubić, Janko Marovt
Let be the cone of all positive semidefinite real matrices. Two of the best known partial orders that were mostly studied on subsets of square c…