SUNY at Stony Brook SUNY at Stony Brook SUNY at Stony Brook

Some Recent Talks by

Claude LeBrun


Einstein Metrics, Minimizing Sequences, and
the Differential Topology of Four-Manifolds.

International Conference on Differential Geometry,
Münster, Germany,
August 15, 2006.


Optimal Metrics, Curvature Functionals, and
the Differential Topology of Four-Manifolds.

Geometry Conference in Honor of Nigel Hitchin,
Madrid, Spain,
September 5, 2006.


On Conformally Kähler, Einstein Manifolds.
Einstein Manifolds and Beyond:
Variétés d'Einstein aujourd'hui et demain,

Luminy, France.
June 21, 2007.


Einstein Metrics and Global
Conformal Geometry, I & II.

NZIMA Summer School,
Nelson, New Zealand.
January 8 & 10, 2008.


On Four-Dimensional
Einstein Manifolds.

7th Conference on Geometry and Topology,
Harvard University, Cambridge, MA,
May 3, 2008.


On Four-Dimensional Optimal Metrics.
Conformal Geometry:
Invariant Theory and Variational Methods,

Roscoff, France,
June 30, 2008.


The Einstein-Weyl Equations,
Scattering Maps, and Holomorphic Disks.

Geometry of Einstein Metrics,
Nantes, France,
June 29, 2009.



Einstein Manifolds and Extremal Kähler Metrics.
Fifth Yamabe Memorial Symposium:
"Geometry and Low-Dimensional Topology,"

University of Minnesota,
Minneapolis, MN, October 8, 2010.



On Hermitian, Einstein 4-Manifolds.
26th Annual Geometry Festival,
University of Pennsylvania,
Philadelphia, PA,
April 16, 2011.



Hermitian Metrics, Einstein Manifolds, and Conformal Geometry.
7th Pacific Rim Complex Geometry Conference,
Kyoto University,
Kyoto, Japan,
August 6, 2012.



Instantons, Quotient Singularities, and the Geometrization of Four-Manifolds.
The Interaction of Geometry and Representation Theory,
Erwin Schrödinger International Institute,
Vienna, Austria,
September 10, 2012.


Five-Part Minicourse:
Curvature Functionals, Kähler Metrics,
& the Geometry of 4-Manifolds, I, II, III, IV & V.

Institut Henri Poincaré, Paris, France,
December 3-7, 2012.



Curvature, Cones, and Characteristic Numbers.
AMS Eastern Section Meeting,
Boston College,
Chestnut Hill, MA,
April 6, 2013.



Edges, Orbifolds, and Seiberg-Witten Theory.
IMPA Conference,
Encounters in Geometry,
Cabo Frio, Brazil,
June 3, 2013.



Four-Manifolds, Einstein Metrics & Differential Topology.
IMPA Seminar, Rio de Janeiro, Brazil,
June 11, 2013.



Edges, Orbifolds, and Seiberg-Witten Theory.
Differential Geometry Section,
Mathematical Congress of the Americas,
Guanajuato, Mexico,
August 9, 2013.



The Einstein-Weyl Equations, Scattering Maps, & Holomorphic Disks.
Clay Mathematics Conference,
Mathematics of CCC: Mathematical Physics with Positive Lambda,
Oxford, England,
September 13, 2013.



Curvature Functionals, Einstein Metrics,
& the Geometry of 4-Manifolds.

Union College Mathematics Conference,
Union College, Schenectady, NY, October 19, 2013.


Einstein Metrics, Curvature Functionals,
& Conformally Kähler Geometry.

AMS/MAA Annual Joint Meeting,
Baltimore, MD, January 15, 2014.


Weyl Curvature, Einstein Metrics,
& 4-Dimensional Geometry.

Geometric Analysis Conference,
Lisbon, Portugal, July 9, 2014.


Einstein Metrics, Harmonic Forms,
& Symplectic Four-Manifolds.

New Trends in Differential Geometry 2014,
Villasimius (Sardinia), Italy, September 20, 2014.


The Einstein-Maxwell Equations
and Conformally Kähler Geometry.

Recent Advances in Kähler Geometry,
Vanderbilt Univ, Nashville, TN, May 18, 2015.


Einstein Metrics, Harmonic Forms,
and Symplectic Four-Manifolds.

Relativity Seminar,
University of Oxford, July 22, 2015.


Mass in Kähler Geometry.
Metric and Analytic Aspects of Moduli Spaces,
Isaac Newton Institute,
Cambridge, England, July 31, 2015.



Mass in Kähler Geometry.
Differential Geometry Seminar,
Harvard University, September 15, 2015.


Four-Manifolds, Einstein Metrics,
and Differential Topology.

Colloquium, Ohio State University,
Columbus, Ohio, October 22, 2015.


Einstein Metrics, Weyl Curvature, and Symplectic Manifolds;
Mass in Kähler Geometry.
Geometric Analysis in Geometry and Topology,
Tokyo, Japan, November 9 & 10, 2015.


Mass in Kähler Geometry.
New Perspectives in Differential Geometry,
Università di Roma "La Sapienza," November 19, 2015.


Mass in Kähler Geometry;
The Einstein-Maxwell Equations and Conformally Kähler Geometry.
Complex Geometry and Lie Groups,
Nara, Japan, March 22 & 23, 2016.


Mass in Kähler Geometry.
31st Annual Geometry Festival &
Princeton Mathematics Colloquium,

Princeton University, April 8, 2016.



Click on poster icons
above to download relevant
slides (PDF) or videos.


Research supported in part by grants
from the National Science Foundation.