A geometric construction of a Calabi quasimorphism on projective space
By: Andre R. Carneiro
Publisher: [publisher not identified]
Published: 2013
Place of publication: [New York, N.Y.?]
Language: eng
Description: We use the rotation numbers defined by Théret in [T] to construct a quasimorphism on the universal cover of the Hamiltonian group of CP^n. We also show that this quasimorphism agrees with the Calabi invariant for isotopies that are supported in displaceable subsets of CP^n.
Notes: Department: Mathematics.

Thesis advisor: Dusa McDuff.

Thesis (Ph.D.)--Columbia University, 2013.