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- W2531373272 abstract "Let M m,n be the set of all m × n real matrices. A matrix A ∈ M m,n is said to be row-dense if there are no zeros between two nonzero entries for every row of this matrix. We find the structure of linear functions T: M m,n → M m,n that preserve or strongly preserve row-dense matrices, i.e., T(A) is row-dense whenever A is row-dense or T(A) is row-dense if and only if A is row-dense, respectively. Similarly, a matrix A ∈ M n,m is called a column-dense matrix if every column of A is a column-dense vector. At the end, the structure of linear preservers (strong linear preservers) of column-dense matrices is found." @default.
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- W2531373272 date "2016-09-01" @default.
- W2531373272 modified "2023-10-10" @default.
- W2531373272 title "Linear preservers of row-dense matrices" @default.
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- W2531373272 doi "https://doi.org/10.1007/s10587-016-0296-4" @default.
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