SMS scnews item created by Emma Carberry at Thu 9 Jul 2009 0356
Type: Seminar
Distribution: World
Expiry: 14 Jul 2009
Calendar1: 14 Jul 2009 1200-1300
CalLoc1: Carslaw 173
Auth: carberry@cpe-124-176-122-157.nsw.bigpond.net.au

# Joint Colloquium: Sawon -- Holomorphic coisotropic reduction

THE UNIVERSITIES OF SYDNEY AND NEW SOUTH WALES

SCHOOLS OF MATHEMATICS AND STATISTICS

___________________JOINT COLLOQUIUM______________________

Speaker: Prof. Justin Sawon (Colorado State University)

Title:   Holomorphic coisotropic reduction.

Date:    Tuesday, 14 July 2009
Time:    12:00 noon
Venue:   Room 173 Carslaw Building

Abstract:

Coisotropic reduction can be regarded as a generalization
of symplectic reduction. Given a symplectic manifold X of
dimension 2n with symplectic form $\omega$, a submanifold
Y of dimension at least n is coisotropic if $\omega|_Y$
has the smallest possible rank at every point of Y. The
null directions of $\omega|_Y$ then induce a foliation
F on Y and the space of leaves Y/F is a symplectic
manifold of lower dimension.

In this talk we will consider coisotropic reduction in
holomorphic symplectic geometry. The main difficulty is
ensuring that the leaves of the foliation are compact,
so that Y/F is well-defined. We will describe some
examples and applications of holomorphic coisotropic
reduction.


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