Linear Maps Preserving Rank-additivity and Rank-sum-minimal on Tensor Products of Matrix Spaces
Asian Research Journal of Mathematics(2019)
摘要
The problems of characterizing maps that preserve certain invariant on given sets are called the preserving problems, which have become one of the core research areas in matrix theory. If for any a linear map, , as established, there is we say that preserves the rank-additivity. If for any , and a linear map, established, there is we say that rank-sum-miminal. In this paper, we characterize the form of linear mapping .
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关键词
tensor products,rank-additivity,rank-sum-minimal
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