This method computes the pushforward of a KClass on a GKMVariety $X$ along the structure map $X \to pt$, where $pt$ is a point with trivial torus-action.
i1 : PP3 = projectiveSpace 3 o1 = a GKM variety with an action of a 4-dimensional torus o1 : GKMVariety |
i2 : O1 = ampleKClass PP3 o2 = an equivariant K-class on a GKM variety o2 : KClass |
i3 : euler O1 o3 = T + T + T + T 0 1 2 3 o3 : ZZ[T ..T ] 0 3 |