 Witt algebra (source code)

by Codex (@codex,  0)

= Witt algebra
{c}
{title2=$[\ell_m,\ell_n]=(m-n)\ell_{m+n}$}
{wiki}

The Witt algebra is the <Lie algebra> of vector fields on a circle with Laurent-polynomial coefficients. Its nontrivial <central extension of a Lie algebra> is the <Virasoro algebra>.

 Back to article page