Seifert Bundles and Orlik's Conjecture on the
Topology of Hypersurface Singularities,
geometry seminar at the
University of Texas, Austin, Texas,
U.S.A; May 3, 2007.
Obstructions in Kähler-Einstein and Sasaki-Einstein Geometry,
geometry seminar at the
University of Cologne, Cologne,
Germany; January 12, 2007.
Wonderworld of Sasakian Manifolds,Riemannian Topology conference,
University of New Mexico, Albuquerque, New Mexico, USA;
October 13, 2006.
Real Monge-Ampère Equations on Contact Manifolds,
Oberseminar Globale Analysis,
University of Bonn, Bonn, Germany;
June 20, 2006.
Sasakian Geometry: Past, Present, and Future Perspectives,
University of Glasgow, Glasgow, United Kingdom;
May 19, 2006.
Einstein Metrics on Spheres,
Colorado State University, Fort Collins, Colorado, USA;
April 24, 2006.
Einstein Metrics on Spheres,
University of Leeds, Leeds, United Kingdom;
March 29, 2006.
Geometric Structures on 5-Manifolds,
Ohio State University colloquium, Columbus, Ohio, USA;
January 26, 2006.
Geometric Structures on 5-Manifolds,
geometry seminar at the
University of Cologne, Cologne,
Germany; December 18, 2005.
Geometric Structures on 5-Manifolds,
Humboldt Universität geometry seminar, Berlin,
Germany; November 22,
2005.
Geometric Structures on 5-Manifolds,
invited seminar at the Jagiellonian University,
Kraków, Poland;
November 14, 2005.
Seifert Bundles and Contact Structures,
invited lecture at the International
Erwin Schrödinger Institute in the program
Geometry of Pseudo-Riemannian Manifolds with Applications in Physics,Vienna, Austria; November 1, 2005.
Manifolds with Positive Ricci Curvature, invited talk at the
Arthur L. Besse seminar, Ecole Polytechnique,
Palaiseau, France; October 10, 2005.
Sasakian Structures in Mathematics and Physics,
invited lecture at the conference Géométrie
Pseudo-Riemannienne at Supersymétrie;
September 22-24, 2005, Strasbourg,
France;
September 23, 2005.
Geometric Structures on 5-Manifolds,
Max-Planck-Institut Oberseminar, MPI, Bonn, Germany;
September 1, 2005.
Geometric Structures on 5-Manifolds,
invited lecture at the SFB 478 workshop
Curvature and Global Shape, 31 July -- 7 August, 2005,
Münster, Germany;
August 3, 2005.
Geometric Structures on 5-Manifolds,
geometry seminar at the
Università di Cagliari, Caglilari,
Italy; July 21, 2005.
Geometric Structures on 5-Manifolds,
lecture given at Università di Roma,
``La Sapienza",
Roma, Italy; July 14, 2005.
Geometric Structures on 5-Manifolds,
lecture given at Università di Bari,
Bari, Italy; July 6, 2005.
Sasakian Geometry I-III, invited series of three lectures
at the Institut Élie Cartan, Université
Henri Poincaré Nancy 1, Nancy, France;
June 7,14, 2005.
Sasakian Geometry of 5-Manifolds, invited colloquium at the
Arthur L. Besse seminar, Ecole Polytechnique,
Palaiseau, France; June 13, 2005.
Einstein Metriken auf Exotischen Sphären,
Universität Hamburg,
Hamburg, Deutschland; 10. Dezember, 2004.
Einstein Metrics on Brieskorn Manifolds, invited colloquium at the
University of Bochum,
Bochum, Germany; November 19, 2004.
Einstein Metrics on Brieskorn Manifolds, geometry seminar at the
University of Hamburg,
Hamburg, Germany; November 2, 2004.
Seifert Bundles, Log Del Pezzo Surfaces, and Einstein 5-Manifolds,
Oberseminar Topologie,
MPI,
Bonn, Germany; October 25, 2004.
Einstein Metrics on Boothby-Wang Fibrations,
differential geometry seminar at the University of Bonn,
Bonn, Germany; October 21, 2004.
Sasakian Geometry and Einstein Metrics, Lectures I-III,
invited series of threelectures at the
Differential Geometry and Topology Workshop,
Centro di Ricerca Matematica
``Ennio De Giorgi",
Pisa, Italy; October 11-16, 2004.
Transverse Fano Structures and
Einstein Metrics on Exotic Spheres, invited colloquium,
University of Bucharest,
Bucharest, Romania; May 12, 2004.
Transverse Fano Structures and
Einstein Metrics on Exotic Spheres, invited colloquium,
University of Göttingen,
Göttingen, Germany; April 22, 2004.
Transverse Fano Structures and
Einstein Metrics on Exotic
Spheres, invited lecture at the International
Erwin Schrödinger Institute in the
in the program
Geometric and analytic problems related to Cartan connections,Vienna, Austria; April 6, 2004.
Transverse Fano Structures and
Einstein Metrics on Exotic
Spheres, Max-Planck-Institut Oberseminar, MPI, Bonn, Germany;
March 18, 2004.
Einstein Metrics on Spheres, invited lecture
at the Positive scalar curvature and related topics
conference at LMU München, München, Germany; February 28, 2004.
Transverse Fano Structures
and Einstein Metrics on Spheres, geometry seminar at the University of
Oxford, Oxford, England; February 2, 2004.
Contact Structures, Complex Singularities, and
Einstein Metrics, Lectures I-III, a series of three
invited plenary lectures at the
XXIV Winter School in Geometry and Physics, Srni, Chech Republic;
January 18-24,2004.
Transverse Fano Structures, Ricci
Curvature, and Einstein Metrics, geometry seminar at the
Università di Cagliari, Caglilari,
Italy; July 21, 2003.
Negative Self-Dual Einstein Metrics as Quotients
, lecture given at Università di Roma,
``La Sapienza",
Roma, Italy; July 4, 2003.
Transverse Fano Structures, Ricci
Curvature, and Einstein Metrics, geometry seminar at the
Università di L'Aquila, L'Aquila, Italy; June 24, 2003.
Transverse Fano Structures,
and Einstein Metrics, geometry seminar at the University of
California, Riverside, California, USA; May 2, 2003.
Transverse Fano Structures and Positive Ricci
Curvature, colloquium at the University of California,
Riverside, California, USA; April 30, 2003.
Transverse Fano Structures, Ricci
Curvature, and Einstein Metrics, colloquium at the Oregon
State University, Corvalis, Oregon, USA; April 8, 2003.
Transverse Fano Structures, Ricci
Curvature, and Einstein Metrics, geometry seminar at the University of
Oregon, Eugene, Oregon, USA; April 8, 2003.
Transverse Fano Structures, Positive Ricci Curvature, and Einstein Metrics,
invited lecture at the Erwin Schrödinger Institute,
Vienna, Austria; November 22, 2002.
On the Geometry of Sasakian-Einstein 5-Manifolds,
invited lecture at the Joint International AMS/UMI Meeting in Pisa,
June 12-16, Pisa, Italy; June 15, 2002.
Sasakian Manifolds and Einstein Metrics in
Dimension 5, invited lecture at the EDGE meeting on
Special
and Low-dimensional Geometries, June 3-7, Luminy, France;
June 6, 2002.
Contact Structures, Einstein Metrics and
Positive Ricci Curvature, invited lecture at
Institut Elie Cartan, Université
Henri Poincaré, Nancy, France;
May 28, 2002.
Sasakian Manifolds and Einstein Metrics,
Arthur Besse
seminar, Ecole Polytechnique, Palaiseau, France; May 27, 2002.
Metrics Cones, Holonomy, and
Special Metrics,
the SFB 288 Differentialgeometrie und Quantenphysi
Kolloquium, Freie Universität Berlin, Berlin, Germany;
December 6, 2001.
Constact Structures and Algebraic Geometry,
invited lecture at the conference
Recent trends in mathematics,
November 23-25, 2001, Schloss Klink, Germany; November 24, 2001.
On Sasakian-Einstein 5-Manifolds,
Humboldt Universität geometry seminar, Berlin, Germany; November 19,
2001.
New Einstein Metrics in Dimensions Five and Seven,
lecture given at the Università di Roma, ``La Sapienza",
Rome, Italy; September 26, 2001.
3-Sasakian Geometry, Nilpotent Orbits, and Exceptional
Quotients, invited lecture at the
LMS Durham Symposium Special Structures in
Differential Geometry, July 30 - August 9, 2001,
University of Durham, Durham,
England; August 2, 2001.
Algebraic Geometry and Einstein Manifolds in Dimension Five,
invited lecture at the
Forschunginstitut Oberwolfach, Differentialgeometrie im Grossen,
June 11 - 15, 2001, Oberwolfach, Germany; June 11, 2001.
Algebraic Geometry and Compact Einstein 5-Manifolds, invited
lecture at the
University of Bonn Differential
Geometry Seminar, Bonn, Germany; May 22, 2001.
Sasakian-Einstein Geometry of 5-Manifolds,
lecture given at Università di Roma, ``La Sapienza",
Roma, Italy; March 21, 2001.
New Einstein Metrics in Dimension Five, Arthur Besse
Seminar at Ecole Polytechnique, Palaiseau, France; May 29, 2000.
Killing Spinors, Einstein Manifolds, and Contact Geometry,
invited lecture at the conference on Generalized Dirac Operators
and Their Geometric Scattering Theory, Warsaw, 23 August - 4
September, 1999; International Stefan Banach Center of the Polish Academy of
Sciences.
Sasakian-Einstein Manifolds, Killing Spinors, and Near Horizon
Geometries, Humboldt Universität geometry seminar,
Berlin, Germany, July 13, 1999.
Sasakian-Einstein Manifolds, Killing Spinors, and Near Horizon
Geometries, München Universität geometry seminar,
München, Germany; June 17, 1999.
From Archimedes to Newton -- A Beginner's
Guide to Symplectic Reduction, lecture at the West Washington University,
Bellingham, Wxiashington, U.S.A.; February 24, 1999.
Cones, Holonomy, and Einstein Manifolds, lecture at the West
Washington University, Bellingham, Washington, U.S.A.; February 24, 1999.
New Families of Einstein 7-manifolds,
invited colloquium talk at Università di Bari, Bari, Italy;
June 18, 1998.
A Short Introduction to 3-Sasakian Manifolds I-IV, series of
four lectures given at Università di Roma, ``La Sapienza",
Roma, Italy; June 2,4,9,12, 1998.
Quaternionic Geometry and Einstein Manifolds,
invited joint colloquium at the Max-Planck-Institut für Mathematik
and Leipzig Universität, Leipzig, Germany; December 9, 1997.
Hypercomplex Structures on Toral Quotients, lecture given in
the Special Session of the AMS Meeting, Albuquerque, New Mexico, U.S.A.;
November 9, 1997.
Einstein Manifolds From Spheres, report on my research
presented to the Fachbeirat at the Max-Planck-Institut für
Mathematik in Bonn, Bonn, Germany; October 9, 1997.
Quaternionic Geometry and Einstein Manifolds, lecture given
in the ICMS conference 18-29 August, 1997, Edinburgh, Scotland;
August 18, 1997.
Quaternionic Geometry and Einstein Manifolds,
lecture given in the MPI Faltings-Harder-Manin-Zagier
Oberseminar, MPI, Bonn, Germany; July 10, 1997.
Making Einstein Manifolds Out of Spheres, geometry seminar at
the Jagiellonian University, Kraków, Poland; June 9, 1997.
On Betti Numbers of 3-Sasakian Manifolds, lecture given in
in the MPI Oberseminar Topologie, MPI, Bonn, Germany; April 7, 1997.
Einstein 7-manifolds of Positive Scalar Curvature and
Arbitrary Second Betti Number and 3-Sasakian Geometry and
Killing Spinors, invited two lecture at the
Meeting on Dirac Operators and Geometry, Warsaw, 16 February -- 1 March,
1997; International Stefan Banach Center of the Polish Academy of
Warsaw, Poland; February 25,27, 1997.
Einstein 7-manifolds of Positive Scalar Curvature and
Arbitrary Second Betti Number, geometry seminar at
seminar at Universität Bonn, Bonn, Germany; February 4, 1997.
Einstein 7-manifolds of Positive Scalar Curvature and
Arbitrary Second Betti Number, invited colloquium talk at the University
of California at Riverside, Riverside, California; November 13, 1996.
Geometry and Topology of 3-Sasakian Manifolds, I-III,
invited three lectures at the
ICMS Workshop Interplays Between Geometry
and Topology, June 3-29, 1996,
Edinburgh, Scotland; June 4,6,27, 1996.
Hypercomplex manifolds and 3-Sasakian geometry,
contributed paper in a Special Session at the AMS meeting, April 13-14, 1996,
New York, New York, U.S.A.; April 14, 1996.
On Betti Numbers of 3-Sasakian Manifolds, contributed paper in
a Special Session at the second joint meeting of AMS and SMM,
November 29 -- December 2, 1995, Guanajuato, Mexico; December 1, 1995.
Geometry and Topology of 3-Sasakian Manifolds: On
Betti Numbers of 3-Sasakian Spaces, Humboldt Universität geometry
seminar, Berlin, Germany; November 21, 1995.
Quaternionic Geometry, Supergravity, and Einstein Manifolds,
colloquium at Universität Augsburg, Augsburg, Germany; November 16,
1995.
Geometry and Topology of 3-Sasakian Manifolds: Quotient
Construction, Humboldt Universität geometry seminar,
Berlin, Germany; November 14, 1995.
Quaternionic Geometry, 3-Sasakian Manifolds, and Supergravity,
SFB 288 Differentialgeometrie und Quantenphysik Kolloquium,
Freie Universität Berlin, Berlin, Germany; November 9, 1995.
3-Sasakian Manifolds, Mathematisches
Forschunginstitut Oberwolfach, Differentialgeometrie im Grossen
June 12 -- 16, Oberwolfach, Germany; June 12, 1995.
Geometry and Topology of 3-Sasakian Manifolds
Max-Planck-Institut, Bonn, Germany; June 9, 1995.
Geometry and Topology of 3-Sasakian Manifolds, Arthur Besse
Seminar at Ecole Polytechnique, Palaiseau, France; May 22, 1995.
3-Sasakian Manifolds,
University of Adelaide, Adelaide, Australia; January 10, 1995.
Einstein Metrics and 3-Sasakian Geometry,
Erwin Schrödinger Institute, Vienna, Austria; September 28, 1994.
On 3-Sasakian manifolds, lecture presented at the Meeting
Meeting on Quaternionic structures in mathematics and physics,
September 5-9, 1994; SISSA, Trieste, Italy; September 9, 1994.
On strongly inhomogeneous Einstein manifolds
with positive scalar curvature and 3-Sasakian structure, Columbia
University, New York, New York, U.S.A.; November 17, 1993.
On strongly inhomogeneous Einstein manifolds with positive scalar
curvature and 3-Sasakian structure, SUNY@Stony
Brook, Stony Brook, New York, U.S.A.; November 16, 1993.
On strongly inhomogeneous Einstein manifolds with positive scalar
curvature and 3-Sasakian structure, Institute
for Advanced Study, Princeton, New Jersey, U.S.A.; November 15, 1993.
A construction of strongly inhomogeneous Einstein
manifolds with 3-Sasakian structure,
Max-Planck-Institut Oberseminar, MPI, Bonn, Germany; July 1, 1993.
Rozmaitosci Einsteina w róznych teoriach
z supersymetria¸,
Wroclaw University, Wroclaw, Poland; June 4, 1993.
O pewnych siedmiowymiarowych rozmaitosciach Einsteina,
Wroclaw University, Wroclaw, Poland; May 26, 1992.
Quaternionic Reduction and Einstein Manifolds,
The New Mexico Geometry and Topology Symposium, Las Cruces, New Mexico,
U.S.A; February 29, 1992.
Group Actions, Quotients, and Quaternionic Manifolds,
SUNY@Stony Brook, Stony Brook, New York, U.S.A.; February 12, 1991.
Group Actions, Quotients, and Quaternionic Manifolds,
Institute for Advanced Study, Princeton, New Jersey, U.S.A.;
January 27, 1991.
Self-dual Einstein Metrics with Nonzero Scalar Curvature,
University of Warwick, Warwick, England; May 14, 1990.
Quaternionic Käahler Reduction and Self-Dual Einstein
Orbifolds, Washington University, St. Louis, Missouri, U.S.A;
February 6, 1990.
Quaternionic Käahler Reduction and Self-Dual Einstein
Orbifolds, the University of New Mexico, Albuquerque,
New Mexico, U.S.A.; February 1, 1990.
Quaternionic Käahler Reduction and Self-Dual Einstein
Orbifolds, University of British Columbia, Vancouver,
BC, Canada; January 29, 1990.
Quaternionic Käahler Reduction and Self-Dual Einstein
Orbifolds, University of California at Davis, Davis,
California, U.S.A.;
January 26, 1990.
Quaternionic Käahler Reduction and Self-Dual Einstein
Orbifolds, Oregon State University, Corvalis, Oregon, U.S.A.;
January 25, 1990.
Quaternionic Käahler Reduction and Self-Dual Einstein
Orbifolds, Oklahoma State University, Stillwater,
Oklahoma, U.S.A.; January 23, 1990.
Quaternionic Käahler Reduction and Self-Dual Einstein
Orbifolds, SUNY@Buffalo, Buffalo, New York, U.S.A.; January 11, 1990.
Quotient Constructions of Special Riemannian Geometries,
Odense University, Odense, Denmark; August 25, 1989.
Quotient Constructions of Special Riemannian Geometries,
Danmarks Tekniske Hskole, Copenhagen, Denmark; August 23, 1989.
Generalized Symplectic Reduction, Max-Planck-Institut für
Mathematik, Bonn, Germany; June 16, 1989.
Generalized Symplectic Reduction,
University of California, Santa Barbara, California, U.S.A.;
February 21, 1989.
New metrics with Sp(n)Sp(1) holonomy,
Tulane University, New Orleans, Louisiana, U.S.A.; December 8, 1988.
Quaternionic reduction and quaternionic orbifolds,
the Second Meeting on Applications of Group Theory to
Math-Physics, University of Georgia, Athens, Georgia, U.S.A.;
July 6-15, 1988.
Quaternionic reduction and quaternionic orbifolds,
SUNY at Stony Brook, Stony Brook, New York, U.S.A.; February 27, 1988.
A generalization of moment map in quaternionic geometry,
Texas A&M University, College Station, Texas, U.S.A.; October 12, 1987.
Quaternionic manifolds and local supersymmetry,
University of Georgia, Athens, Georgia, U.S.A.; April 28, 1985.
If you would like to print this list (as a TeX document) choose
it in your favorite (file.dvi, file.ps, file.pdf) format:
