# normalToricRing(MonomialSubalgebra) -- normalization of a toric ring

## Description

The toric ring S is the monomial subalgebra given. The function computes the normalization T of S, which is the integral closure in its field of fractions.

 i1 : R=ZZ/37[x,y,t]; i2 : S=createMonomialSubalgebra {x^3, x^2*y, y^3, x*y^2}; i3 : normalToricRing S ZZ 3 2 2 3 o3 = --[y , x*y , x y, x ] 37 o3 : monomial subalgebra of R