Transpose Matrices and Groups of Permutations

Katarzyna Jankowska

Warsaw University, Bialystok

Summary.

Some facts concerning matrices with dimension $2\times 2$ are shown. Upper and lower triangular matrices, and operation of deleting rows and columns in a matrix are introduced. Besides, we deal with sets of permutations and the fact that all permutations of finite set constitute a finite group is proved. Some proofs are based on [11] and [14].

MML Identifier: MATRIX_2

Contents (PDF format)

1. Some examples of matrices
2. Deleting of rows and columns in a matrix
3. Sets of permutations
4. Group of permutations

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