The cohomology ring of the GKM graph of a flag manifold of classical type

Yukiko Fukukawa, Hiroaki Ishida, Mikiya Masuda

If a closed smooth manifold $M$ with an action of a torus $T$ satisfies certain conditions, then a labeled graph $\mG_M$ with labeling in $H^2(BT)$ is associated with $M$, which en…