Definition:Sign of Permutation/Also known as
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Sign of Permutation: Also known as
The sign of a permutation is also known as its signature or signum.
However, on $\mathsf{Pr} \infty \mathsf{fWiki}$ signum is not recommended, in order to keep this concept separate from the signum function on a set of numbers.
Sources
- 1989: Ephraim J. Borowski and Jonathan M. Borwein: Dictionary of Mathematics ... (previous) ... (next): signature: 1.