Joint IAS/Princeton University Symplectic Geometry Seminar

The 2011 PhD thesis of Farris outlined a scheme to show that the ECH of a prequantization bundle over a Riemann surface is isomorphic as a $Z/2Z$-graded group to the exterior algebra of the homology of its base. In addition to providing an overview of the proof, I will explain how Morgan Weiler and I extended this result by computing the $Z$-grading on the chain complex, permitting our computation of the unstable and stable portions of ECH.