| Autor: |
Fazlpar, Leila, Armandnejad, Ali |
| Zdroj: |
Czechoslovak Mathematical Journal; Dec2023, Vol. 73 Issue 4, p1189-1200, 12p |
| Abstrakt: |
Let A = [aij]m×n be an m × n matrix of zeros and ones. The matrix A is said to be a Ferrers matrix if it has decreasing row sums and it is row and column dense with nonzero (1,1)-entry. We characterize all linear maps perserving the set of n × 1 Ferrers vectors over the binary Boolean semiring and over the Boolean ring ℤ 2 . Also, we have achieved the number of these linear maps in each case. [ABSTRACT FROM AUTHOR] |
| Databáze: |
Complementary Index |
| Externí odkaz: |
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