Coxeter length
= Coxeter length
{c}
{title2=$\ell(w)$}
{wiki=Length_function}
The Coxeter length $\ell(w)$ is the smallest number of simple reflections whose product is $w$. Its parity gives the sign of a Weyl-group element.
= Coxeter length
{c}
{title2=$\ell(w)$}
{wiki=Length_function}
The Coxeter length $\ell(w)$ is the smallest number of simple reflections whose product is $w$. Its parity gives the sign of a Weyl-group element.