Koba-Nielsen factor
= Koba-Nielsen factor
{c}
{wiki=Koba–Nielsen_formula}
The Koba-Nielsen factor is the product of powers of pairwise worldsheet insertion-point distances produced by contractions of string vertex operators.
= Koba-Nielsen factor
{c}
{wiki=Koba–Nielsen_formula}
The Koba-Nielsen factor is the product of powers of pairwise worldsheet insertion-point distances produced by contractions of string vertex operators.