Post Graduate Seminar Geometry and Analysis


Upcoming Talks in Post Graduate Seminar


16.05.2024, 00:00
Location:
Time and location TBA

Wilhelm Klingenberg (Durham University):
A proof of the Toponogov conjecture

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Past Talks


25.04.2024, 10:30

Simon Vialaret (Université Paris-Saclay):
Sharp systolic inequalities for invariant contact forms on S1-principal bundles

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14.12.2023, 14:30

Dustin Connery-Grigg (IMJ-PRG):
Spectral invariants and dynamics of low-dimensional Hamiltonian systems

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30.11.2023, 14:30

Emilia Alves (Universidade Federal Fluminense, Brazil):
Intersection of real Bruhat cells

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16.11.2023, 10:30

Leonardo Masci (RWTH Aachen):
A Poincaré-Birkhoff theorem for asymptotically linear Hamiltonian systems

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09.11.2023, 10:30

Marcelo Alves (University of Antwerp):
C0-stability of topological entropy for 3-dimensional Reeb flows

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02.11.2023, 10:30

Urs Fuchs (RWTH Aachen):
A primer on circle packings

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29.06.2023, 15:45

Michael Hutchings (University of California, Berkeley):
Unknotted Reeb orbits and the first ECH capacity



29.06.2023, 14:15

Patrice Le Calvez (Sorbonne Université):
Non-contractible periodic orbits for area preserving surface homeomorphisms



04.05.2023, 10:30

Jacob Rasmussen (University of Cambridge):
Floer homology for knots in the solid torus (joint seminar with EDDy)

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27.04.2023, 15:00

Murat Sağlam (Universität zu Köln):
Contact 3-manifolds with integrable Reeb flows

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20.04.2023, 14:30

David Bechara Senior (RWTH Aachen):
The asymptotic action of area preserving disk maps and some of its properties

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08.12.2022, 17:45

Rohil Prasad (Princeton University):
Volume-perserving right-handed vector fields are conformally Reeb

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08.12.2022, 16:15

Abror Pirnapasov (ENS Lyon):
The mean action and the Calabi invariant

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13.10.2022, 16:15

Valerio Assenza (Universität Heidelberg):
Magnetic Curvature and Existence of Closed Magnetic Geodesics

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28.07.2022, 16:15

Urs Frauenfelder (Universität Augsburg):
GIT quotients and Symmetric Periodic Orbits

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14.07.2022, 16:15

Luca Asselle (Ruhr-Universität Bochum):
CANCELED

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07.07.2022, 16:15

Urs Frauenfelder (Universität Augsburg):
CANCELED

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15.06.2022, 13:15

Benoit Joly (Ruhr-Universität Bochum):
Barcodes for Hamiltonian homeomorphisms of surfaces

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12.05.2022, 16:15

Alberto Abbondandolo (Ruhr-Universität Bochum):
Bi-invariant Lorentz-Finsler structures on the linear symplectic group and on the contactomorphism group

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06.05.2022, 14:00

Tobias Soethe (RWTH Aachen):
Sharp systolic inequalities for rotationally symmetric 2-orbifolds - Part II

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28.04.2022, 16:15

Tobias Soethe (RWTH Aachen):
Sharp systolic inequalities for rotationally symmetric 2-orbifolds

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21.04.2022, 16:15

Alberto Abbondandolo (Ruhr Universität Bochum):
CANCELED



07.04.2022, 16:15

Erman Çineli (IMJ-PRG):
Topological entropy of Hamiltonian diffeomorphisms: a persistence homology and Floer theory perspective

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16.12.2021, 15:15

Matthias Meiwes (RWTH Aachen):
Braid stability and Hofer's metric

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16.12.2021, 14:15

Lucas Dahinden (Universität Heidelberg):
The Bott-Samelson Theorem for positive Legendrian Isotopies

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02.12.2021, 15:00

Marco Mazzucchelli (ENS Lyon):
Existence of global surfaces of section for Kupka-Smale 3D Reeb flows

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17.11.2021, 16:00

Yuri Lima (Universidade Federal do Ceará):
Symbolic Dynamics for Maps with Singularities in High Dimension

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11.11.2021, 13:00

Pedro Salomão (Universidade de São Paulo):
Genus zero global surfaces of section for Reeb flows and a result of Birkhoff

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04.11.2021, 15:00

Gabriele Benedetti (VU Amsterdam):
The dynamics of strong magnetic fields on surfaces: periodic orbits and trapping regions

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21.10.2021, 15:00

Jungsoo Kang (Seoul National University):
Symplectic Homology of Convex Domains

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28.11.2019, 16:30

Stefan Suhr (Ruhr-Universität Bochum):
New developments in the theory of Lyapunov functions for cone fields

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08.11.2019, 14:00

Barney Bramham (Ruhr-Universität Bochum):
Symbolic Dynamics for Reeb Flows

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31.10.2019, 16:30

Anna Florio (IMJ-PRG):
Torsion of Conservative Twist Maps on the Annulus

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24.10.2019, 16:30

Marcelo Alves (Université Libre de Bruxelles):
Symplectic invariants and topological entropy of Reeb flows

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17.10.2019, 16:30

Gabriele Benedetti (Universität Heidelberg):
Periodic motions of a charged particle in a stationary magnetic field

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11.10.2019, 10:30

Louis Merlin (RWTH Aachen University):
Global invariants of symmetric spaces

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