Archive
Here you can find a list of all previous talks that we have had in the seminar.
Previous Talks
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Álvaro del Pino Gómez - Seiberg-Witten invariants of Kähler and symplectic manifolds
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Lucas Dahinden - Transversality, orientability, defining the invariant
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Douwe Hoekstra - Compactness of the moduli space
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Bas Wensink - Elliptic PDE theory on manifolds and the dimension of the Seiberg-Witten moduli space
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Gaël Meigniez - A full h-principle for foliations by surfaces of higher codimensions
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Jaime Pedregal Pastor - The Seiberg–Witten equations
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Annika Tarnowsky - The differentiable stack cohomology associated to a regular Lie groupoid
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Sven Holtrop - Spin^c structures and Spinors
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Laurence Mayther - New h-Principles in [split]G2, Symplectic, Contact and Other Geometries
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Jaime Pedregal Pastor - Clifford Algebras, Spin Groups and Spinor Representations
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Gil Cavalcanti - Introduction to four-manifolds
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Oliver Fabert - Topology, symplectic topology, … what’s next?
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Pjotr Vugts - The Khovanov homology: a knot invariant
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Anna Fokma - Wrinkling and Haefliger structures
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Gil Cavalcanti - Everything you wanted to know about gerbes but were afraid to ask
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Cisca Kalmijn - Computing quantum cohomology of toric varieties using topological string theory
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Bas de Pooter - Coarse minimality for non-convex star-shaped contact surfaces in the cotangent bundle
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Jesse Straat - A geometric introduction to topological string theory and mirror symmetry
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Florian Zeiser - (Infinitesimal) Rigidity for foliations and group actions
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Guillermo Sánchez - h-principles for Holomorphic Partial Differential Relations in Stein Manifolds
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Álvaro del Pino Gómez - The h-principle fails for prelegendrians in elliptic distributions
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Nikolas Adaloglou - Which symplectic forms on S2xS2 have Lagrangian Klein bottles?
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Bas Wensink - Differentiable Stacks VI: Examples of Differentiable Stacks
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Maite Carli - Differentiable Stakcs V: Equivalences of differentiable stacks from the Lie groupoid perspective; Morita equivalences and G-bibundles
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Sven Holtrop - Differentiable Stacks IV: Differentiable Stacks
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Douwe Hoekstra - Differentiable Stacks III: Descent and Stacks
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Jaime Pedregal Pastor - Differentiable Stacks II: A Categorical Prologue
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Bas Wensink - Differentiable Stacks I: Stack of Triangles
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Jesse Straat - An Algebro-Geometric Approach to Gromov–Witten Invariants, part II: Virtual Fundamental Classes and Gromov–Witten Invariants
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Joel Schmitz - Almost Toric Fibrations and Lagrangian Poincaré non-recurrence
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Cisca Kalmijn - A symplectic approach to Gromov-Witten invariants part II: Semipositivity, (Gromov–Witten) pseudocycles and Gromov–Witten invariants
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Jesse Straat - An Algebro-Geometric Approach to Gromov--Witten Invariants, part I: In Pursuit of Stacks
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Cisca Kalmijn - A symplectic approach to Gromov--Witten invariants, part I: Pseudoholomorphic curves and their moduli spaces
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Ashkan Kyaee - sc-geometry and scattering Dirac operator
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Michal Wrochna and Juri Sampieri Bjornsson - b-geometry and asymptotic analysis
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Lucas Dahinden - On the causal discontinuity of Morse Spacetimes
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Yann Guggisberg - Instantaneous Hamiltonian diplaceability and arbitrary squeezability for critically negligible sets
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Wei Zhou - A DGA Invariant for Legendrian Knots
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Anna Fokma - Jiggling: an h-principle without homotopical assumptions
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Lukas Nakamura - On pseudo-metrics on the space of Legendrian submanifolds
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Álvaro del Pino - Reading seminar on stable homotopy theory VI
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Renee Hoekzema and Álvaro del Pino - Reading seminar on stable homotopy theory V
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Lauran Toussaint - Reading seminar on stable homotopy theory IV
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Michael Jung and Alba Sendón - Reading seminar on stable homotopy theory III
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Anna Fokma and Aaron Gootjes-Dreesbach - Reading seminar on stable homotopy theory II
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Thomas Rot - Reading seminar on stable homotopy theory I
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Bjarne Kosmeijer - Lie-Rinehart algebras and non-commutative geometry
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Michael Jung - Cohomotopy groups in co-degree one
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Yann Guggisberg - Recognition of objects and representability of symplectic capacities
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Jagna Wiśniewska - b-Contact Structures on Tentacular Hyperboloids
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Dusan Joksimovic - C^0-rigidity of presymplectic embeddings
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Pedro Boavida de Brito - Scanning embeddings by points
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Yuqing Shi - A glimpse of manifold calculus via embedding spaces
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Theocharis Papantonis - On representations up to homotopy of Lie n-algebroids and higher VB-algebroid structures
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Lukas Nakamura - Small energy isotopies of loose Legendrian submanifolds
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Charlotte Kirchhoff-Lukat - Exploring the modular class of Dirac structures
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Joost Nuiten - Lie algebroids as curved Lie algebras
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Luka Zwaan - Poisson manifolds of strong compact type over 2-tori
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Andreas Kraft - Globalizations of the Kontsevich Formality and their Homotopy Classes
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Mateus de Melo - Proper groupoids and Riemannian geometry
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Ailsa Keating - Two-variable singularities and symplectic topology
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Li Yu - Wonderful Compactification of a Cartan Subalgebra of a Semisimple Lie Algebra
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Liana David - T-duality for transitive Courant algebroids
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Nikita Nikolaev - Abelianisation of Meromorphic GL(2,C)-Connections on Riemann Surfaces
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Joel Villatoro - Integrating singular foliations with paths
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Dušan Joksimović - Some aspects of $C^0$-symplectic geometry
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João Nuno Mestre - The deformation cohomology of a symplectic groupoid
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Francisco Javier Martinez Aguinaga - Flexibility in contact 3-manifolds: From contactomorphisms to legendrian knots
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Eduardo Fernandez - On the homotopy type of the contactomorphism group of a tight contact 3-manifold
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Marine Fontaine - Real Forms of Holomorphic Hamiltonian Systems
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Camilo Angulo - A cohomological proof for the integrability of strict Lie 2-algebras
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Katharina Neusser - Symmetry, Cartan connections and Rigidity
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Maxence Mayrand - Hyperkähler realizations of holomorphic Poisson surfaces
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Jonas Schnitzer - Strong homotopy structure of Poisson reduction
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Wilmer Smilde - Lie groups of Poisson diffeomorphisms
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Anastasia Matveeva - A singular symplectic slice theorem
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Cornelia Vizman - Vortex sheets in ideal fluids and coadjoint orbits
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Alejandro Cabrera - On singular cotangent homotopies coming from the Poisson Sigma Model
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Stephane Geudens - Deformations of Lagrangian submanifolds in log-symplectic manifolds
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Praphulla Koushik - On two notions of a gerbe over a stack
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Miquel Cueca Ten - Stacky Lie algebroids
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Leyli Mammadova - Moment maps in multisymplectic geometry
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Yiannis Loizides - Weighted normal bundles
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Ana Balibanu - Universal centralizers and Poisson transversals
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Luca Accornero - Haefliger's differentiable cohomology
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Cristina Sardón - Lie-Hamilton systems and their role in the current Covid pandemic
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Francis Bischoff - Lie groupoids and logarithmic connections
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Madeleine Jotz Lean - The Atiyah class and ideal systems
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Florian Zeiser - Poisson non-degeneracy of the Lie algebra so(3,1).
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Cédric Oms - The singular Weinstein conjecture
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Camilo Arias Abad - Singular chains on Lie groups and the Cartan relations
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María Amelia Salazar - Characteristic classes for Lie groupoids: going to the basics
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Ralph Klaasse - Symplectic groupoids of elliptic Poisson manifolds
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Daniele Sepe - Symplectic : Contact = Poisson : Jacobi = Affine : Projective.
VideoSlides