Algebraic and Symplectic Geometry Seminar

Tue, 09/10/2007 15:45	Elizabeth Baldwin (Oxford)	Algebraic and Symplectic Geometry Seminar	L3
	Moduli spaces of stable curves and stable maps, connected via a quotient in Geometric Invariant Theory

Tue, 16/10/2007 15:45	Tommaso Pacini (Oxford)	Algebraic and Symplectic Geometry Seminar	L3
	Obstructions to the desingularization of Special Lagrangian submanifolds
	The theory of Special Lagrangian (SL) submanifolds is the natural point of intersection between various classical (Lagrangian and volume-minimizing submanifolds) and contemporary (Mirror Symmetry and invariants of Calabi-Yau manifolds) topics. The key problem is how to characterize the compactified moduli space of SLs. Equivalently, to understand which SL singularities admits desingularizations. Our aim is to present some explicit examples, topological results and simple observations which shed some light on the nature and complexity of this problem, and which we expect will be a useful foundation for future progress in the field. This is joint work with M. Haskins (Imperial College), cfr. arXiv:math/0609352.

Tue, 23/10/2007 15:45	Hiroshi Iritani (Kyushu and Imperial College)	Algebraic and Symplectic Geometry Seminar	L3
	Real and integral structures in quantum cohomology

Tue, 30/10/2007 14:45	Richard Thomas (Imperial)	Algebraic and Symplectic Geometry Seminar	L3
	Defining Gopakumar-Vafa's BPS invariants for Calabi-Yau threefolds

Tue, 06/11/2007 14:45	Ann-Sophie Kaloghiros (Cambridge)	Algebraic and Symplectic Geometry Seminar	L3
	The topology of terminal quartic 3-folds

Tue, 13/11/2007 14:45	Mark Haskins (Imperial)	Algebraic and Symplectic Geometry Seminar	L3
	Higher-dimensional special Lagrangian cones

Tue, 20/11/2007 14:45	Christian Pauly (Montpellier)	Algebraic and Symplectic Geometry Seminar	L3
	Verlinde spaces and theta functions

Tue, 27/11/2007 13:00	Olivier Schiffmann (Paris)	Algebraic and Symplectic Geometry Seminar	L1
	Elliptic curves, Cherednik Hecke algebras and Macdonald polynomials I
	We provide a realization of Cherednik's double affine Hecke algebras (for GL_n) as a convolution algebra of functions on moduli spaces of coherent sheaves on an elliptic curve. As an application we give a geometric construction of Macdonald polynomials as (traces of) certain natural perverse sheaves on these moduli spaces. We will discuss the possible extensions to higher (or lower !) genus curves and the relation to the Hitchin nilpotent variety. This is (partly) based on joint work with I. Burban and E. Vasserot.

Tue, 27/11/2007 14:45	Olivier Schiffmann (Paris)	Algebraic and Symplectic Geometry Seminar	L3
	Elliptic curves, Cherednik Hecke algebras and Macdonald polynomials II

Forthcoming Seminars

Mon, 20/05/2013 - 2:15pm

Eigenvalues of large random matrices, free probability and beyond.

Speaker: CAMILLE MALE
Mon, 20/05/2013 - 2:15pm

Four-manifolds, surgery and group actions

Speaker: Ian Hambleton
Mon, 20/05/2013 - 3:45pm

Fibering 5-manifolds with fundamental group Z over the circle

Speaker: Yang Su
Mon, 20/05/2013 - 3:45pm

Random Wavelet Series

Speaker: STEPHANE JAFFARD
Mon, 20/05/2013 - 4:00pm

The Hasse Principle for the Equation Polynomial=Norm: An Approach Using Sieve Theory

Speaker: Alastair Irving
Mon, 20/05/2013 - 5:00pm

Analysis of some nonlinear PDEs from multi-scale geophysical applications

Speaker: Bin Cheng
Tue, 21/05/2013 - 12:00pm

Quantum information processing in spacetime

Speaker: Ivette Fuentes (Nottingham)