This page contains a record of the geometry seminars held at the ULB, starting in September 2015. You can find the schedule for the current semester here.
July 2019
- 09/07/19. 14h Salle des Profs, 9th floor, building NO. Brian Weber (University of Pennsylvania). Potential theory and first order equations on degenerating 4-manifolds.
June 2019
- 26/06/19. Warning! Unusual day AND time. 10h-11h Salle des Profs, 9th floor, building NO. Claude LeBrun (Stony Brook University). Einstein Metrics, Harmonic Forms, and Conformally Kähler Geometry
- 11/06/19. Warning! Unusual time. 11h30-12h30 Salle des Profs, 9th floor, building NO. Felix Schlenk (Université de Neuchâtel). Manning’s inequality for Finsler and Reeb flows
May 2019
- 7/05/19.13h30-14h30 Salle des Profs, 9th floor, building NO. Matthias Meiwes (University of Tel-Aviv, Israel)
Topological entropy and Hofer’s metric
April 2019
- 30/04/19.13h30-14h30 Salle des Profs, 9th floor, building NO. Alessandra Pluda (Universitat Regensburg, Germany)
Motion by curvature of networks: analysis of singularities and “restarting” theorems - 2/04/19.13h30-14h30 Salle des Profs, 9th floor, building NO. Stefano Borghini (Uppsala University, Sweden)
Static vacuum spacetimes with positive cosmological constant - Warning! Unusual day and time! 1/04/19.14h-15h Salle des Profs, 9th floor, building NO. Angela Pasquale (Université de Lorraine, France)
Resonances of the Laplacian on products of rank-one symmetric spaces
March 2019
- Warning! Unusual room! 19/03/19.13h30-14h30 Salle OF2070. Tristan Ozuch-Meersseman (ENS Paris, France)
Noncollapsed degeneration of Einstein 4-manifolds - 12/03/19.13h30-14h30 Salle des Profs, 9th floor, building NO. Stéphane Launois (University of Kent, UK)
TBA
February 2019
- Warning! Unusual time 26/02/19.14h-15h Salle des Profs, 9th floor, building NO. Mariel Saez (PUC, Chile)
On the uniqueness of graphical mean curvature flow - Warning! Unusual day Monday 25/02/19. 13h30-14h30 Salle des Profs, 9th floor, building NO. Yanir Rubinstein (University of Maryland)
Differential, algebraic, and convex geometry arising from asymptotic positivity - 19/02/19: no geometry seminar will be held this day because of the London-Brussels geometry seminar, see the dedicated webpage
- 12/02/19.13h30-14h30 Salle des Profs, 9th floor, building NO. Giona Veronelli (Université Paris 13)
Distance-like functions on Riemannian manifolds
January 2019
- 29/01/19. 13h30-14h30 Salle des Profs, 9th floor, building NO.Yannick Herfray (ULB)
Conformally invariant geodesics in asymptotically hyperbolic manifolds - 22/01/19. 13h30-14h30 Salle des Profs, 9th floor, building NO. Ralph Klaasse (ULB)
Poisson structures of divisor-type and symplectic Lie algebroids - 15/01/19. 13h30-14h30 Salle des Profs, 9th floor, building NO. Matthias Schötz (ULB)
Singular points in non-formal deformation quantization
December 2018
- 18/12/18. 13h30-14h30 Salle des Profs, 9th floor, Buildig NO. Cedric de Groote (Stanford University)
TBA - 04/12/18. 13h30-14h30 Salle de Profs, 9th floor, building NO.
Gilles Carron (University of Nantes, France)
A Bonnet-Myers theorem under a spectral condition
November 2018
- 27/11/18. 13h30-14h30 Salle de Profs, 9th floor, building NO.
Vincent Beck (University of Tours, France)
Compact flat manifolds constructed from complex reflection groups
September 2018
- 25/09/18. 13h30-14h30 Salle de Profs, 9th floor, building NO.
Weiyi Zhang (Warwick University, UK)
From smooth to almost complex
June 2018
- 19/06/18. 13h30-14h30 Salle de Profs, 9th floor, building NO.
Romain Pétrides (Paris Diderot University, France)
Romain’s seminar, initially planned for the 5th of June, has been moved to the 19th
Min-Max construction for free boundary minimal disks
May 2018
- 22/05/18. 13h30-14h30 Salle de Profs, 9th floor, building NO.
Giovanni Catino (Politecnico di Milano, Italy)
Einstein metrics and Ricci solitons - 08/05/18. 13h30-14h30 Salle de Profs, 9th floor, building NO.
Plinio Murillo (Universität Bern, Switzerland)
On arithmetic manifolds with large systole
April 2018
- 24/04/18. Double bill!
11h-12h Salle de Profs, 9th floor, building NO.
Milena Pabiniak (University of Cologne, Germany)
Understanding the contactomorphism group of lens spaces via a non-linear Maslov index
13h30-14h30 Salle de Profs, 9th floor, building NO.
Viviana del Barco (UNICAMP, Brasil and Université Paris Sud, France)
Hermitian geometry of real flag manifolds - 15/04/18: Milena Pabiniak’s talk, initially planned for the 15th of April, has been moved to the 24th of April.
- 03/04/18. 13h30-14h30 Salle de Profs, 9th floor, building NO.
Will Merry (ETH Zurich, Switzerland)
Title to be confirmed
March 2018
- 27/03/18. 13h30-14h30 Salle de Profs, 9th floor, building NO.
Jason Lotay (University College London)
Remarks on the self-shrinking Clifford torus - 13/03/18. 13h30-14h30 Salle de Profs, 9th floor, building NO.
Georgios Dimitroglou Rizell (Uppsala University, Sweden)
Bulk-deformed augmentations do not correspond to sheaves - 06/03/18. 13h30-14h30 Salle de Profs, 9th floor, building NO.
Steven Sivek (Imperial College London, UK)
SU(2)-cyclic surgeries and the pillowcase
February 2018
- 20/02/18. 11h-12h Salle Solvay, 9th floor, building NO. Double bill this Tuesday
Alvaro de Pino Gómez (Universiteit Utrecht, the Netherlands)
Overtwisted Engel structures - 20/02/18. 13h30-14h30 Salle de Profs, 9th floor, building NO.
Michael Singer (University College London, United Kingdom)
Asymptotic geometry of monopole moduli space and the Sen Conjecture - 13/02/18. Unusual time 13h15-14h15 Salle de Profs, 9th floor, building NO.
Matthias Schötz (University of Würzburg, Germany)
From non-formal, non-C* deformation quantization to abstract O*-algebras - 08/02/18. 11h-12h Note unusual day and time! Salle de Profs, 9th floor building NO.
Yi Li (Luxembourg)
Local curvature estimates for Ricci-harmonic flow - 06/02/18. 13h30-14h30 Salle de Profs, 9th floor, building NO.
Dmitri Panov (Kings College London, United Kingdom)
Circle invariant symplectic hypersurfaces in dimension 6 and the Fano condition.
January 2018
- 30/01/18. 13h30-14h30 Salle de Profs, 9th floor, building NO.
Alberto Raffero (Università degli Studi di Firenze)
Symplectic half-flat 6-manifolds and the Laplacian G_2-flow - 23/01/18. 13h30-14h30 Salle de Profs, 9th floor, building NO.
Gaël Meigniez (Université Bretagne Sud)
Quasi-complementary foliations and the Mather-Thurston Theorem
December 2017
- 19/12/17. 13h30-14h30 Note unusual room! Room P.2NO.708, 7th floor, building NO.
Hông Van Lê (Czech Academy of Science, Prague)
Novikov homology and Novikov fundamental groups - 12/12/17. Double bill!
13h30-14h30 Salle de Profs, 9th floor, building NO.
Alix Deruelle (Université Pierre et Marie Curie, France)
Expanders of the harmonic map flow
14h45-15h45 Salle de Profs, 9th floor, building NO.
Eleonora Di Nezza (IHES, France)
Complex Monge-Ampère equations with prescribed singularities - 07/12/17. Note unusual day and room! 13h30-14h30 Salle P.2NO.708, 7th floor, building NO.
Maÿlis Limouzineau (University of Cologne, Germany)
Constructions of Legendrian cobordisms and generating functions - 5/12/17. 13h30-14h30 Salle de Profs, 9th floor, building NO.
Reto Buzano (Queen Mary University, London, UK)
The moduli spaces of two-convex embedded spheres and tori
November 2017
- 24/11/17. 10h30-11h30 Note unusual day and time! Room to be confirmed.
Vincent Colin (Nantes, France)
Topological entropy of the Reeb vector field - 23/11/17. Note unusual day! 13h30-14h30 Salle de Profs, 9th floor, building NO.
César Lecoutre (ULB)
A new family of Poisson algebras and their deformations - 16/11/17. 13h30-14h30 Unforunately, Kai Cieliebak has had to cancel his visit because of a broken foot.
String topology and perturbative Chern-Simons theory - 14/11/17. 13h30-14h30 Salle de Profs, 9th floor, building NO.
Cristiano Spotti (Aarhus, Denmark)
Kähler-Einstein metrics via moduli continuity method. - 14/11/17. 14h45-15h45 Double bill this Tuesday! Salle de Profs, 9th floor, building NO.
Timothée Marquis (UCL, Belgium)
On continuous one-parameter subgroups of Kac-Moody groups
October 2017
- 24/10/17. 13h30-14h30, Salle des Profs, 9th floor, Building NO.
Lorenz Swachhöffer (TU Dortmund, Germany)
Parametrized measure models - 10/10/17. 10h30-11h30, Salle de Profs, 9th floor, building NO.
Ryosuke Takahashi (Tohoku, Japan)
A new parabolic flow approach to the Kähler-Einstein problem.
September 2017
- 19/09/17. 13h30-14h30, Salle de Profs, 9th floor, building NO.
Hsuan-Yi Liao (Penn State, USA)
Formality theorem for Lie pairs
June 2017
- 20/06/17. 13h30-14h30 Salle des Profs, floor 9, building NO.
Ben Sibley (Simons Center, New York)
A complex analytic structure on the compactification of the moduli space of Hermitian-Yang-Mills connections on a projective manifold. - 07/06/17. 10h30-11h30 Please note unusual day! Room to be confirmed
Daniele Angella (Firenze)
Special metrics on complex manifolds.
May 2017
- 30/05/17. 13h30-14h30 Salle des Profs, floor 9, building NO.
Sonja Hohloch (Antwerp)
Hyperkähler Floer homology - 23/05/17. 13h30-14h30 Salle des Profs, floor 9, building NO.
Giovanni Mascellani (Pisa)
Fourth-order geometric flows on manifolds with boundary - 16/05/2017. 11h-12h Salle des Profs, floor 9, building NO.
Stefan Waldmann (Univ. Würzburg)
Poisson structures and star products from Drinfel’d twist - 02/05/17. 13h30-14h30 Salle des Profs, floor 9, building NO.
Ralph Klaasse (Utrecht)
Constructing A-symplectic structures.
March 2017
- 21/03/17. 14h00-15h00 Salle des Profs, floor 9, building NO.
Andriy Haydys (Bielefield)
Isolated singularities of affine special Kähler metrics in two dimensions. - 14/03/17. 13h30-14h30 Room to be confirmed.
Olivier Elchinger
Perturbation of formality for universal enveloping algebras
February 2017
- 28/02/17. Double bill!
11h00-12h00 NO8.08, floor 8, building NO.
Dmitry Tonkonog (Uppsala)
Refined curve counts for immersed Lagrangians, with applications13h30-14h30 NO8.08, floor 8, building NO.
Geogrios Dimitroglou Rizell (Uppsala)
The wrapped Fukaya category of a Weinstein manifold is generated by the Lagrangian cocore discs. - 14/02/17. Double bill!
11h00-12h00 Salle des Profs, floor 9, building NO.
Nikon Kurnosov (Moscow)
Absolutely trianalytic tori in hyperkähler manifolds.13h30-14h30 O8.08, floor 8, building NO.
Dima Panov (King’s College London)
Real line arrangements with Hirzberuch property. - 8/02/17. 13h30-14h30 Salle des Profs, floor 9, building NO.
Liviu Ornea (Bucharest)
The canonical foliation of a Vaisman manifold.
January 2017
- 24/01/17. 13h30-14h30 Salle de Solvay, floor 5, building NO.
Oliver Fabert (Vrije Universiteit Amsterdam)
The Arnold conjecture in infinite dimensions.
December 2016
- 12/12/16. 13h30-18h00. Salle des Profs, floor 9, building NO.
Workshop in differential geometry.
An afternoon of talks. For more details see this page.
November 2016
- 15/11/16. 11am-12pm. Salle des Profs, floor 9, building NO.
Katya Amerik (Paris Sud – Orsay)
On the characteristic foliation of a smooth divisor in a holomorphic symplectic manifold. - 16/11/16. 13h30-14h30. Salle des Profs, floor 9, building NO.
Vladimir Fock
Teichmüller space as an example of a cluster variety. - 29/11/16. 11am-12pm. Salle des Profs, floor 9, building NO.
Kael Dixon (ULB)
Ambitoric 4-manifolds.
October 2016
- 4/10/16. 11am-12pm. Salle des Profs, floor 9, building NO.
Zakarias Dyrefelt (Toulouse)
K-stability of constant scalar curvature Kähler manifolds - 11/10/16. Double bill!
2pm-3pm. Salle des Profs, floor 9, building NO.
Al Kasprzyck (Nottingham)
The combinatorics of mirror symmetry.
3.30pm-4.30pm. Salle des Profs, floor 9, building NO.
Lorenz Schwachhöfer (Dortmund)
Cohomological invariants of G2 and Spin(7) manifolds. - 18/10/16. 2pm-3pm. Salle des Profs, floor 9, building NO.
Jean-Marc Schlenker (Luxembourg)
The renormalized volume of quasifuchsian manifolds. - 25/10/16. 11am-12pm. Salle des Profs, floor 9, building NO.
Joeri Van der Veken (Leuven)
Lagrangian submanifolds of the homogeneous nearly Kähler S^3 x S^3
September 2016
- 21/09/16. 2pm-3pm Salle des Profs, floor 9, building NO.
Damien Gayet (Grenoble)
Percolation of random nodal domains
June 2016
- 14/06/16. 14h-15h Salle de Profs, 9th floor of building NO.
Stefan Waldmann (Univ. Würzburg)
An explicit construction of Drinfel’d twists
May 2016
- 24/05/16. 14h-15h. Salle de Profs, 9th floor of building NO.
Alex Waldron (Stony Brook, New York).
Four-dimensional Yang-Mills flow.
March 2016
- 01/03/16. 14h-15h. Salle de Profs, 9th floor of building NO.
Vincent Humilière (Jussieu, Paris).
A C^0 counter-example to the Arnold conjecture.
February 2016
- 16/02/16. 14h-15h. Salle de Profs, 9th floor of building NO.
Thibaut Delcroit (Grenoble).
Kähler-Einstein metrics on group compactifications.
January 2016
- 26/01/16. 14h-15h. Salle de Profs, 9th floor of building NO.
Éveline Legendre (University of Toulouse).
The Hilbert-Einstein functional and the Sasaki-Futaki invariant. - 27/01/16. 10h-11h. Salle de Profs, 9th floor of building NO.
Please note the unusual day and time!
Liviu Ornea (University of Bucharest).
Recent results in locally conformally symplectic geometry.
December 2015
- 1/12/2015 14h-15h. Salle des Profs, 9th floor of building NO.
Michael Khanevsky (ULB)
Hofer’s metric and length specturm of symplectic surfaces - 8/12/15 Double bill!
14h-15h. Salle des Profs, 9th floor of building NO.
Roland Abuaf (IHES Paris)
Hyperkahler categories.
15h15-16h15. Salle des Profs 9th floor of building NO.
Ljudmila Kamenova (Stony Brook, New York)
On Kobayashi’s pseudometric of compact complex manifolds
November 2015
- 3/11/15 14h-15h. O8.08, 8th floor of building NO.
Marco Zambon (KU Leuven)
Multisymplectic manifolds, homotopy moment maps, and conserved quantities. - 5/11/15 14h-15h, O8.08, 8th floor of building NO.
Kirill Krasnov (Nottingham)
A gauge-theoretic formalism for gravity. - 10/11/15 14h-15h. O8.08, 8th floor of building NO.
Nikon Kurnosov (Moscow)
Betti numbers of hyperkähler manifolds. - 17/11/15 14h-15h. Salle des Profs, 9th floor of building NO.
Hugues Auvray (Paris Sud, Orsay)
Extremal metrics of Poincaré type: asymptotic properties
October 2015
- 12/10/15 14h-15h. Salle des Profs, 9th floor of building NO.
Liviu Ornea (University of Bucharest).
CR manifolds in locally conformally Kähler geometry - 20/10/15 14h-15h. O8.08, 8th floor of building NO.
Benoît Daniel (Université de Lorraine)
Minimal isometric immersions into $latex S^2\times \mathbf{R}$ and $latex H^2 \times \mathbf{R}$. - 27/10/15 14h-15h O8.08, 8th floor of building NO.
Dmitri Panov (Kings College)
Spherical metrics with conical singularities on $latex S^2$.
September 2015
- 15/09/15 15h-16h. Salle des Profs, 9th floor of building NO.
François Laudenbach (Université de Nantes).
A doubling phenomenon in Morse-Novikov homology. - 29/09/15 14h-15h. Salle des Profs, 9th floor of building NO.
Jason Lotay (University College London)
The Laplacian flow in G2 geometry