Calendar
Mon 20 October - Wed 31 December
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Seminar, Mittag-Leffler
Tuesday 2025-10-21, 11:00 - 12:00
Participating: Sven Gross (RWTH Aachen)
Location: Institut Mittag-Leffler, Seminar Hall Kuskvillan and Zoom
Video link: Meeting ID: 921 756 1890
2025-10-21T11:00:00.000+02:00 2025-10-21T12:00:00.000+02:00 Sven Gross: CutFEM for Poisson and Stokes interface problems: solvers and preconditioners (Seminar, Mittag-Leffler) Institut Mittag-Leffler, Seminar Hall Kuskvillan and Zoom (KTH, Stockholm, Sweden)Sven Gross: CutFEM for Poisson and Stokes interface problems: solvers and preconditioners (Seminar, Mittag-Leffler) -
Seminar, Logic
Wednesday 2025-10-22, 10:00 - 12:00
Participating: Chaitanya Leena Subramaniam
Location: Albano house 1, floor 3, Room U (Kovalevsky)
2025-10-22T10:00:00.000+02:00 2025-10-22T12:00:00.000+02:00 Chaitanya Leena Subramaniam: The small object argument for enriched factorisation systems in enriched ∞-categories (Seminar, Logic) Albano house 1, floor 3, Room U (Kovalevsky) (KTH, Stockholm, Sweden)Chaitanya Leena Subramaniam: The small object argument for enriched factorisation systems in enriched ∞-categories (Seminar, Logic) -
Seminar, Combinatorics
Wednesday 2025-10-22, 10:15 - 11:15
Location: 3418
2025-10-22T10:15:00.000+02:00 2025-10-22T11:15:00.000+02:00 Tracy Chin: Valuated Delta Matroids and Principal Minors (Seminar, Combinatorics) 3418 (KTH, Stockholm, Sweden)Tracy Chin: Valuated Delta Matroids and Principal Minors (Seminar, Combinatorics) -
Seminar, Analysis Stockholm
Wednesday 2025-10-22, 11:00 - 12:00
Participating: Grigory Panassenko (Institute of Applied Mathematics, Vilnius University, Lithuania and Institute Ca
Location: Albano, Cramér room
2025-10-22T11:00:00.000+02:00 2025-10-22T12:00:00.000+02:00 Grigory Panassenko: Partial dimension reduction: Navier-Stokes problem in networks of thin tubes (blood vessels) (Seminar, Analysis Stockholm) Albano, Cramér room (KTH, Stockholm, Sweden)Grigory Panassenko: Partial dimension reduction: Navier-Stokes problem in networks of thin tubes (blood vessels) (Seminar, Analysis Stockholm) -
Seminar, Algebra & Geometry
Wednesday 2025-10-22, 13:15 - 14:15
Participating: Eric Ahlqvist (SU)
Location: SU, Cramér room
2025-10-22T13:15:00.000+02:00 2025-10-22T14:15:00.000+02:00 Eric Ahlqvist: Wild Stacky Modifications (Seminar, Algebra & Geometry) SU, Cramér room (KTH, Stockholm, Sweden)Eric Ahlqvist: Wild Stacky Modifications (Seminar, Algebra & Geometry) -
Seminar, Probability and Mathematical Physics
Wednesday 2025-10-22, 13:15 - 14:15
Participating: Alex Karrila, Åbo Akademi
Location: KTH, 3721, Lindstedsvägen 25
2025-10-22T13:15:00.000+02:00 2025-10-22T14:15:00.000+02:00 Alex Karrila: Smoothness of martingale observables and generalized Feynman–Kac formulas (Seminar, Probability and Mathematical Physics ) KTH, 3721, Lindstedsvägen 25 (KTH, Stockholm, Sweden)Alex Karrila: Smoothness of martingale observables and generalized Feynman–Kac formulas (Seminar, Probability and Mathematical Physics ) -
Seminar, Differential geometry and general relativity
Thursday 2025-10-23, 10:00 - 11:00
Participating: Ahmed Ellithy, Uppsala University
Location: 3418, Lindstedtsvägen 25
2025-10-23T10:00:00.000+02:00 2025-10-23T11:00:00.000+02:00 Ahmed Ellithy: Static and Stationary Vacuum Extensions Realizing Bartnik Boundary Data: Local Well-Posedness near Schwarzschild Spheres (Seminar, Differential geometry and general relativity) 3418, Lindstedtsvägen 25 (KTH, Stockholm, Sweden)Ahmed Ellithy: Static and Stationary Vacuum Extensions Realizing Bartnik Boundary Data: Local Well-Posedness near Schwarzschild Spheres (Seminar, Differential geometry and general relativity) -
Seminar, Mittag-Leffler
Thursday 2025-10-23, 11:00 - 12:00
Participating: Grady Wright (Boise State University)
Location: Institut Mittag-Leffler, Seminar Hall Kuskvillan and Zoom
Video link: Meeting ID: 921 756 1890
2025-10-23T11:00:00.000+02:00 2025-10-23T12:00:00.000+02:00 Grady Wright: A New Quadrature Framework for Geometrically Complex Domains (Seminar, Mittag-Leffler) Institut Mittag-Leffler, Seminar Hall Kuskvillan and Zoom (KTH, Stockholm, Sweden)Grady Wright: A New Quadrature Framework for Geometrically Complex Domains (Seminar, Mittag-Leffler) -
Seminar, Dynamical Systems
Friday 2025-10-24, 13:00
Participating: Stefano Marmi (SNS, Pisa)
Location: Room 3721, Lindstedtsvägen 25
2025-10-24T13:00:00.000+02:00 2025-10-24T13:00:00.000+02:00 Stefano Marmi: The Brjuno and the Wilton functions (Seminar, Dynamical Systems) Room 3721, Lindstedtsvägen 25 (KTH, Stockholm, Sweden)Stefano Marmi: The Brjuno and the Wilton functions (Seminar, Dynamical Systems) -
Seminar, Mittag-Leffler
Tuesday 2025-10-28, 11:00 - 12:00
Participating: Svetlana Tlupova (Frarmingdale State University)
Location: Institut Mittag-Leffler, Seminar Hall Kuskvillan and Zoom
Video link: Meeting ID: 921 756 1890
2025-10-28T11:00:00.000+01:00 2025-10-28T12:00:00.000+01:00 Svetlana Tlupova: Regularization based methods for accurate evaluation of surface integrals in Stokes flow (Seminar, Mittag-Leffler) Institut Mittag-Leffler, Seminar Hall Kuskvillan and Zoom (KTH, Stockholm, Sweden)Svetlana Tlupova: Regularization based methods for accurate evaluation of surface integrals in Stokes flow (Seminar, Mittag-Leffler) -
Seminar, Dynamical Systems
Tuesday 2025-10-28, 13:00
Participating: Istvan Kolossvary (Rényi Institute)
Location: Room 3418, Lindstedtsvägen 25
2025-10-28T13:00:00.000+01:00 2025-10-28T13:00:00.000+01:00 Istvan Kolossvary: Verifying the exponential separation condition for analytic self-conformal sets on the real line (Seminar, Dynamical Systems) Room 3418, Lindstedtsvägen 25 (KTH, Stockholm, Sweden)Istvan Kolossvary: Verifying the exponential separation condition for analytic self-conformal sets on the real line (Seminar, Dynamical Systems) -
Seminar, Mathematical statistics
Tuesday 2025-10-28, 13:15 - 14:15
Participating: Giulia Pucci (KTH)
Location: KTH, 3721 (Lindstedtsvägen 25)
2025-10-28T13:15:00.000+01:00 2025-10-28T14:15:00.000+01:00 Giulia Pucci: Deep Learning for Energy Market Contracts: Dynkin Game with Doubly RBSDEs (Seminar, Mathematical statistics) KTH, 3721 (Lindstedtsvägen 25) (KTH, Stockholm, Sweden)Giulia Pucci: Deep Learning for Energy Market Contracts: Dynkin Game with Doubly RBSDEs (Seminar, Mathematical statistics) -
Seminar, Commutative Algebra
Tuesday 2025-10-28, 15:00 - 16:00
Participating: Darius Dramburg (Uppsala)
Location: Kovalevsky, Albano, SU
2025-10-28T15:00:00.000+01:00 2025-10-28T16:00:00.000+01:00 Darius Dramburg: Are there polymer models for toric algebras? (Seminar, Commutative Algebra) Kovalevsky, Albano, SU (KTH, Stockholm, Sweden)Darius Dramburg: Are there polymer models for toric algebras? (Seminar, Commutative Algebra) -
Seminar, Applied CATS
Tuesday 2025-10-28, 15:15 - 16:15
Participating: Joseph Cummings (The University of Edinburgh)
Location: KTH 3418, Lindstedtsvägen 25 and Zoom
Video link: Zoom meeting ID: 655 8335 8144
2025-10-28T15:15:00.000+01:00 2025-10-28T16:15:00.000+01:00 Joseph Cummings: CFN Phylogenetic Networks (Seminar, Applied CATS) KTH 3418, Lindstedtsvägen 25 and Zoom (KTH, Stockholm, Sweden)Joseph Cummings: CFN Phylogenetic Networks (Seminar, Applied CATS) -
Seminar, Master
Tuesday 2025-10-28, 16:00 - 18:00
Participating: Victor Groth (SU/KTH)
Location: Albano hus 1, Cramér room
2025-10-28T16:00:00.000+01:00 2025-10-28T18:00:00.000+01:00 Victor Groth: Rational Tangles (Seminar, Master) Albano hus 1, Cramér room (KTH, Stockholm, Sweden)Victor Groth: Rational Tangles (Seminar, Master) -
Seminar, Combinatorics
Wednesday 2025-10-29, 10:15 - 11:15
Location: 3418
2025-10-29T10:15:00.000+01:00 2025-10-29T11:15:00.000+01:00 Lorenzo Vecchi: Chow polynomials of totally nonnegative matrices and posets (Seminar, Combinatorics) 3418 (KTH, Stockholm, Sweden)Lorenzo Vecchi: Chow polynomials of totally nonnegative matrices and posets (Seminar, Combinatorics) -
Seminar, Analysis Stockholm
Wednesday 2025-10-29, 11:00 - 12:00
Participating: Albert Samoilenka (KTH)
Location: Albano, Cramér room
2025-10-29T11:00:00.000+01:00 2025-10-29T12:00:00.000+01:00 Albert Samoilenka: Boundary states and enhanced superconductivity (Seminar, Analysis Stockholm) Albano, Cramér room (KTH, Stockholm, Sweden)Albert Samoilenka: Boundary states and enhanced superconductivity (Seminar, Analysis Stockholm) -
Seminar, Algebra & Geometry
Wednesday 2025-10-29, 13:15 - 14:15
Participating: Olivier Taïbi (Lyon)
Location: KTH, 3418
2025-10-29T13:15:00.000+01:00 2025-10-29T14:15:00.000+01:00 Olivier Taïbi: Unimodular lattices and the cuspidal cohomology of GL_n(Z) (Seminar, Algebra & Geometry) KTH, 3418 (KTH, Stockholm, Sweden)Olivier Taïbi: Unimodular lattices and the cuspidal cohomology of GL_n(Z) (Seminar, Algebra & Geometry) -
Seminar, Differential geometry and general relativity
Thursday 2025-10-30, 10:00 - 11:00
Participating: Markus Wolff, KTH
Location: Cramér room, Roslagsvägen 26
2025-10-30T10:00:00.000+01:00 2025-10-30T11:00:00.000+01:00 Markus Wolff: Some remarks on the Bartnik mass (Seminar, Differential geometry and general relativity) Cramér room, Roslagsvägen 26 (KTH, Stockholm, Sweden)Markus Wolff: Some remarks on the Bartnik mass (Seminar, Differential geometry and general relativity) -
Seminar, Mittag-Leffler
Thursday 2025-10-30, 11:00 - 12:00
Participating: Carlos Perez-Arancibia (University of Twente)
Location: Institut Mittag-Leffler, Seminar Hall Kuskvillan and Zoom
Video link: Meeting ID: 921 756 1890
2025-10-30T11:00:00.000+01:00 2025-10-30T12:00:00.000+01:00 Carlos Perez-Arancibia: Maxwell à la Helmholtz: Helmholtz Boundary Integral Equations for Electromagnetic Scattering (Seminar, Mittag-Leffler) Institut Mittag-Leffler, Seminar Hall Kuskvillan and Zoom (KTH, Stockholm, Sweden)Carlos Perez-Arancibia: Maxwell à la Helmholtz: Helmholtz Boundary Integral Equations for Electromagnetic Scattering (Seminar, Mittag-Leffler) -
Seminar, Theoretical computer science
Friday 2025-10-31, 10:15
Participating: Fiona Skerman (Uppsala University)
Location: KTH, 4523 (Stefan Arnborg), Lindstedtsvägen 5, floor 5
2025-10-31T10:15:00.000+01:00 2025-10-31T10:15:00.000+01:00 Fiona Skerman: Community detection and the overlap gap property (Seminar, Theoretical computer science) KTH, 4523 (Stefan Arnborg), Lindstedtsvägen 5, floor 5 (KTH, Stockholm, Sweden)Fiona Skerman: Community detection and the overlap gap property (Seminar, Theoretical computer science) -
Seminar, Graduate student
Friday 2025-10-31, 13:15 - 14:15
Participating: Othmane Rih, Stockholms Universitet
Location: Albano, Kovalevksy room
2025-10-31T13:15:00.000+01:00 2025-10-31T14:15:00.000+01:00 Othmane Rih: Additive Structures in the Integers (Seminar, Graduate student) Albano, Kovalevksy room (KTH, Stockholm, Sweden)Othmane Rih: Additive Structures in the Integers (Seminar, Graduate student) -
Seminar, Mittag-Leffler
Tuesday 2025-11-04, 09:30 - 10:30
Participating: Martina Bukač, University of Notre Dame
Location: Institut Mittag-Leffler, Seminar Hall Kuskvillan and Zoom
Video link: Meeting ID: 921 756 1890
2025-11-04T09:30:00.000+01:00 2025-11-04T10:30:00.000+01:00 Martina Bukač: TBA (Seminar, Mittag-Leffler) Institut Mittag-Leffler, Seminar Hall Kuskvillan and Zoom (KTH, Stockholm, Sweden)Martina Bukač: TBA (Seminar, Mittag-Leffler) -
Seminar, Applied CATS
Tuesday 2025-11-04, 10:15 - 11:15
Participating: Anna Schenfisch (KTH)
Location: KTH 3418, Lindstedtsvägen 25 and Zoom
Video link: https://kth-se.zoom.us/j/65583358144?pwd=us6mdDtBgkEdZefvgbZPBWNujl3YuJ.1
2025-11-04T10:15:00.000+01:00 2025-11-04T11:15:00.000+01:00 Anna Schenfisch: Representing Simplicial Complexes via Directional Topological Descriptors (Seminar, Applied CATS) KTH 3418, Lindstedtsvägen 25 and Zoom (KTH, Stockholm, Sweden)Anna Schenfisch: Representing Simplicial Complexes via Directional Topological Descriptors (Seminar, Applied CATS) -
Seminar, Mittag-Leffler
Tuesday 2025-11-04, 11:00 - 12:00
Participating: Andrea Moiola, University Pavia
Location: Institut Mittag-Leffler, Seminar Hall Kuskvillan and Zoom
Video link: Meeting ID: 921 756 1890
2025-11-04T11:00:00.000+01:00 2025-11-04T12:00:00.000+01:00 Andrea Moiola: A space-time continuous and coercive formulation for the wave equation (Seminar, Mittag-Leffler) Institut Mittag-Leffler, Seminar Hall Kuskvillan and Zoom (KTH, Stockholm, Sweden)Andrea Moiola: A space-time continuous and coercive formulation for the wave equation (Seminar, Mittag-Leffler) -
Topological Activities
Tuesday 2025-11-04, 11:00 - 12:00
Participating: Oisín Flynn-Connolly (Leiden)
Location: Cramer room, Albano
2025-11-04T11:00:00.000+01:00 2025-11-04T12:00:00.000+01:00 Oisín Flynn-Connolly: Determinant Massey product (Topological Activities) Cramer room, Albano (KTH, Stockholm, Sweden)Oisín Flynn-Connolly: Determinant Massey product (Topological Activities) -
Seminar, Mathematical statistics
Tuesday 2025-11-04, 13:15 - 14:15
Participating: Johannes Heiny (KTH)
Location: KTH, 3721 (Lindstedtsvägen 25)
2025-11-04T13:15:00.000+01:00 2025-11-04T14:15:00.000+01:00 Johannes Heiny: Phase transitions for high-dimensional random matrices with applications in statistical learning (Seminar, Mathematical statistics) KTH, 3721 (Lindstedtsvägen 25) (KTH, Stockholm, Sweden)Johannes Heiny: Phase transitions for high-dimensional random matrices with applications in statistical learning (Seminar, Mathematical statistics) -
Seminar, Combinatorics
Wednesday 2025-11-05, 10:15 - 11:15
Location: 3418
2025-11-05T10:15:00.000+01:00 2025-11-05T11:15:00.000+01:00 Jon Pål Hamre: Chow classes of matroids (Seminar, Combinatorics) 3418 (KTH, Stockholm, Sweden)Jon Pål Hamre: Chow classes of matroids (Seminar, Combinatorics) -
Seminar, Analysis Stockholm
Wednesday 2025-11-05, 11:00 - 12:00
Participating: Aron Wennman (Leuven)
Location: Albano, Cramér room
2025-11-05T11:00:00.000+01:00 2025-11-05T12:00:00.000+01:00 Aron Wennman: A direct approach to local scaling limits for determinantal 2D Coulomb gases (Seminar, Analysis Stockholm) Albano, Cramér room (KTH, Stockholm, Sweden)Aron Wennman: A direct approach to local scaling limits for determinantal 2D Coulomb gases (Seminar, Analysis Stockholm) -
Course start
Wednesday 2025-11-05, 11:00 - 12:00
Participating: Sara Zahedi
Location: Institut Mittag-Leffler, Seminar Hall Kuskvillan and Zoom
Video link: Meeting ID: 921 756 1890
2025-11-05T11:00:00.000+01:00 2025-11-05T12:00:00.000+01:00 FSF3571: CutFEM (Course start) Institut Mittag-Leffler, Seminar Hall Kuskvillan and Zoom (KTH, Stockholm, Sweden)FSF3571: CutFEM (Course start) -
Seminar, Algebra & Geometry
Wednesday 2025-11-05, 13:15 - 14:15
Participating: Séverin Philip (SU)
Location: SU, Cramér room
2025-11-05T13:15:00.000+01:00 2025-11-05T14:15:00.000+01:00 Séverin Philip: The obstruction to semi-stable reduction for abelian varieties (Seminar, Algebra & Geometry) SU, Cramér room (KTH, Stockholm, Sweden)Séverin Philip: The obstruction to semi-stable reduction for abelian varieties (Seminar, Algebra & Geometry) -
Seminar, Probability and Mathematical Physics
Wednesday 2025-11-05, 13:15 - 14:15
Participating: Teodor Bucht (KTH)
Location: KTH, 3721, Lindstedsvägen 25
2025-11-05T13:15:00.000+01:00 2025-11-05T14:15:00.000+01:00 Teodor Bucht: Quantitative Tracy-Widom laws for sparse random matrices (Seminar, Probability and Mathematical Physics ) KTH, 3721, Lindstedsvägen 25 (KTH, Stockholm, Sweden)Teodor Bucht: Quantitative Tracy-Widom laws for sparse random matrices (Seminar, Probability and Mathematical Physics ) -
Seminar, Mathematical statistics
Wednesday 2025-11-05, 15:15 - 16:00
Participating: Magnus Perninge (Mälardalen University)
Location: Campus Albano, Cramér room, House 1, floor 3
2025-11-05T15:15:00.000+01:00 2025-11-05T16:00:00.000+01:00 Magnus Perninge: BSDEs with constrained jumps, double obstacle PDEs and games of impulse control (Seminar, Mathematical statistics) Campus Albano, Cramér room, House 1, floor 3 (KTH, Stockholm, Sweden)Magnus Perninge: BSDEs with constrained jumps, double obstacle PDEs and games of impulse control (Seminar, Mathematical statistics) -
Seminar, Mittag-Leffler
Thursday 2025-11-06, 09:30 - 10:30
Participating: Sheehan Olver, Imperial College London
Location: Institut Mittag-Leffler, Seminar Hall Kuskvillan and Zoom
Video link: Meeting ID: 921 756 1890
2025-11-06T09:30:00.000+01:00 2025-11-06T10:30:00.000+01:00 Sheehan Olver: TBA (Seminar, Mittag-Leffler) Institut Mittag-Leffler, Seminar Hall Kuskvillan and Zoom (KTH, Stockholm, Sweden)Sheehan Olver: TBA (Seminar, Mittag-Leffler) -
Seminar, Differential geometry and general relativity
Thursday 2025-11-06, 10:00 - 11:00
Participating: Mattias Dahl, KTH
Location: Cramér room, Roslagsvägen 26
2025-11-06T10:00:00.000+01:00 2025-11-06T11:00:00.000+01:00 Mattias Dahl: D-minimal metrics on compact spin manifolds. (Seminar, Differential geometry and general relativity) Cramér room, Roslagsvägen 26 (KTH, Stockholm, Sweden)Mattias Dahl: D-minimal metrics on compact spin manifolds. (Seminar, Differential geometry and general relativity) -
Seminar, Mittag-Leffler
Thursday 2025-11-06, 11:00 - 12:00
Participating: Carlos Jerez-Hanckes, INRIA
Location: Institut Mittag-Leffler, Seminar Hall Kuskvillan and Zoom
Video link: Meeting ID: 921 756 1890
2025-11-06T11:00:00.000+01:00 2025-11-06T12:00:00.000+01:00 Carlos Jerez-Hanckes: TBA (Seminar, Mittag-Leffler) Institut Mittag-Leffler, Seminar Hall Kuskvillan and Zoom (KTH, Stockholm, Sweden)Carlos Jerez-Hanckes: TBA (Seminar, Mittag-Leffler) -
Seminar, Dynamical Systems
Thursday 2025-11-06, 13:00
Participating: Sascha Troscheit (Uppsala)
Location: Room 3418, Lindstedtsvägen 25
2025-11-06T13:00:00.000+01:00 2025-11-06T13:00:00.000+01:00 Sascha Troscheit: Shrinking Targets, Dynamical Coverings, and Related Problems (Seminar, Dynamical Systems) Room 3418, Lindstedtsvägen 25 (KTH, Stockholm, Sweden)Sascha Troscheit: Shrinking Targets, Dynamical Coverings, and Related Problems (Seminar, Dynamical Systems) -
Seminar, Mathematical statistics
Tuesday 2025-11-11, 13:15 - 14:15
Participating: Kai Shao (KTH)
Location: KTH, 3721 (Lindstedtsvägen 25)
2025-11-11T13:15:00.000+01:00 2025-11-11T14:15:00.000+01:00 Kai Shao: TBA (Seminar, Mathematical statistics) KTH, 3721 (Lindstedtsvägen 25) (KTH, Stockholm, Sweden)Kai Shao: TBA (Seminar, Mathematical statistics) -
Seminar, Dynamical Systems
Thursday 2025-11-27, 13:00
Participating: Jiesong Zhang (KTH)
Location: Room 3418, Lindstedtsvägen 25
2025-11-27T13:00:00.000+01:00 2025-11-27T13:00:00.000+01:00 Jiesong Zhang: Invariant distributions of partially hyperbolic systems: fractal graphs, excessive regularity, and rigidity (Seminar, Dynamical Systems) Room 3418, Lindstedtsvägen 25 (KTH, Stockholm, Sweden)Jiesong Zhang: Invariant distributions of partially hyperbolic systems: fractal graphs, excessive regularity, and rigidity (Seminar, Dynamical Systems) -
Seminar, Differential geometry and general relativity
Thursday 2025-12-04, 09:00 - 10:00
Participating: Louie Bernhardt, University of Melbourne
Location: Cramér room, Roslagsvägen 26
2025-12-04T09:00:00.000+01:00 2025-12-04T10:00:00.000+01:00 Louie Bernhardt: Stability of cosmological spacetimes undergoing decelerated expansion (Seminar, Differential geometry and general relativity) Cramér room, Roslagsvägen 26 (KTH, Stockholm, Sweden)Louie Bernhardt: Stability of cosmological spacetimes undergoing decelerated expansion (Seminar, Differential geometry and general relativity) -
Seminar, Differential geometry and general relativity
Thursday 2025-12-11, 10:00 - 11:00
Participating: Penelope Gehring, Stockholm University
Location: Cramér room, Roslagsvägen 26
2025-12-11T10:00:00.000+01:00 2025-12-11T11:00:00.000+01:00 Penelope Gehring: Finite propagation speed vs. non-local boundary conditions (Seminar, Differential geometry and general relativity) Cramér room, Roslagsvägen 26 (KTH, Stockholm, Sweden)Penelope Gehring: Finite propagation speed vs. non-local boundary conditions (Seminar, Differential geometry and general relativity)