Seminar, Differential geometry and general relativity

Non-degenerate Killing horizons in analytic vacuum spacetimes

6 Sep

Seminar, Differential geometry and general relativity

Tuesday 2022-09-06, 10:15 - 11:15

Participating: Oliver Lindblad Petersen, KTH

Location: Room 3418, Lindstedtsvägen 25

2022-09-06T10:15:00.000+02:00 2022-09-06T11:15:00.000+02:00 Non-degenerate Killing horizons in analytic vacuum spacetimes (Seminar, Differential geometry and general relativity) Room 3418, Lindstedtsvägen 25 (KTH, Stockholm, Sweden)Non-degenerate Killing horizons in analytic vacuum spacetimes (Seminar, Differential geometry and general relativity)

Einstein Hilbert action and Ricci flow on manifolds with boundary

13 Sep

Seminar, Differential geometry and general relativity

Tuesday 2022-09-13, 10:15 - 11:15

Participating: Rasmus Johansen Jouttijärvi, KTH

Location: Room 3418, Lindstedtsvägen 25

2022-09-13T10:15:00.000+02:00 2022-09-13T11:15:00.000+02:00 Einstein Hilbert action and Ricci flow on manifolds with boundary (Seminar, Differential geometry and general relativity) Room 3418, Lindstedtsvägen 25 (KTH, Stockholm, Sweden)Einstein Hilbert action and Ricci flow on manifolds with boundary (Seminar, Differential geometry and general relativity)

The initial singularity for Bianchi VI_0 spacetimes with perfect fluid matter

27 Sep

Seminar, Differential geometry and general relativity

Tuesday 2022-09-27, 10:15 - 11:15

Participating: Johannes Oude Groeniger, KTH

Location: Room 3418, Lindstedtsvägen 25

2022-09-27T10:15:00.000+02:00 2022-09-27T11:15:00.000+02:00 The initial singularity for Bianchi VI_0 spacetimes with perfect fluid matter (Seminar, Differential geometry and general relativity) Room 3418, Lindstedtsvägen 25 (KTH, Stockholm, Sweden)The initial singularity for Bianchi VI_0 spacetimes with perfect fluid matter (Seminar, Differential geometry and general relativity)

The higher dimensional Beltrami equations and its connections to Hodge theory

4 Oct

Seminar, Differential geometry and general relativity

Tuesday 2022-10-04, 10:15 - 11:15

Participating: Erik Duse, KTH

Location: Room 3418, Lindstedtsvägen 25

2022-10-04T10:15:00.000+02:00 2022-10-04T11:15:00.000+02:00 The higher dimensional Beltrami equations and its connections to Hodge theory (Seminar, Differential geometry and general relativity) Room 3418, Lindstedtsvägen 25 (KTH, Stockholm, Sweden)The higher dimensional Beltrami equations and its connections to Hodge theory (Seminar, Differential geometry and general relativity)

L^p-stability and positive scalar curvature rigidity of Ricci-flat ALE manifolds

11 Oct

Seminar, Differential geometry and general relativity

Tuesday 2022-10-11, 10:15 - 11:15

Participating: Klaus Kröncke, KTH

Location: Room 3418, Lindstedtsvägen 25

2022-10-11T10:15:00.000+02:00 2022-10-11T11:15:00.000+02:00 L^p-stability and positive scalar curvature rigidity of Ricci-flat ALE manifolds (Seminar, Differential geometry and general relativity) Room 3418, Lindstedtsvägen 25 (KTH, Stockholm, Sweden)L^p-stability and positive scalar curvature rigidity of Ricci-flat ALE manifolds (Seminar, Differential geometry and general relativity)

Cosmological singularities and initial data on the big bang

18 Oct

Seminar, Differential geometry and general relativity

Tuesday 2022-10-18, 10:15 - 11:15

Participating: Hans Ringström, KTH

Location: Room 3418, Lindstedtsvägen 25

2022-10-18T10:15:00.000+02:00 2022-10-18T11:15:00.000+02:00 Cosmological singularities and initial data on the big bang (Seminar, Differential geometry and general relativity) Room 3418, Lindstedtsvägen 25 (KTH, Stockholm, Sweden)Cosmological singularities and initial data on the big bang (Seminar, Differential geometry and general relativity)

Stephen McCormick: The Riemannian Penrose inequality with electric charge with a quasi-local perspective

25 Oct

Seminar, Differential geometry and general relativity

Tuesday 2022-10-25, 10:15 - 11:15

Participating: Stephen McCormick, KTH

Location: Room 3418, Lindstedtsvägen 25

2022-10-25T10:15:00.000+02:00 2022-10-25T11:15:00.000+02:00 Stephen McCormick: The Riemannian Penrose inequality with electric charge with a quasi-local perspective (Seminar, Differential geometry and general relativity) Room 3418, Lindstedtsvägen 25 (KTH, Stockholm, Sweden)Stephen McCormick: The Riemannian Penrose inequality with electric charge with a quasi-local perspective (Seminar, Differential geometry and general relativity)

Claudio Paganini (online): Mode stability on the real axis for the Teukolsky equation in Kerr spacetimes.

1 Nov

Seminar, Differential geometry and general relativity

Tuesday 2022-11-01, 10:15 - 11:15

Participating: Claudio Paganini

Video link: Zoom link

2022-11-01T10:15:00.000+01:00 2022-11-01T11:15:00.000+01:00 Claudio Paganini (online): Mode stability on the real axis for the Teukolsky equation in Kerr spacetimes. (Seminar, Differential geometry and general relativity) Claudio Paganini (online): Mode stability on the real axis for the Teukolsky equation in Kerr spacetimes. (Seminar, Differential geometry and general relativity)

Andres Franco Grisales: Rigidity and concircular symmetries

8 Nov

Seminar, Differential geometry and general relativity

Tuesday 2022-11-08, 10:15 - 11:15

Participating: Andres Franco Grisales, KTH

Location: Room 3418, Lindstedtsvägen 25

2022-11-08T10:15:00.000+01:00 2022-11-08T11:15:00.000+01:00 Andres Franco Grisales: Rigidity and concircular symmetries (Seminar, Differential geometry and general relativity) Room 3418, Lindstedtsvägen 25 (KTH, Stockholm, Sweden)Andres Franco Grisales: Rigidity and concircular symmetries (Seminar, Differential geometry and general relativity)

Anna Sakovich: Towards a spacetime intrinsic flat convergence

15 Nov

Seminar, Differential geometry and general relativity

Tuesday 2022-11-15, 10:15 - 11:15

Participating: Anna Sakovich, Uppsala Universitet

Location: Room 3418, Lindstedtsvägen 25

2022-11-15T10:15:00.000+01:00 2022-11-15T11:15:00.000+01:00 Anna Sakovich: Towards a spacetime intrinsic flat convergence (Seminar, Differential geometry and general relativity) Room 3418, Lindstedtsvägen 25 (KTH, Stockholm, Sweden)Anna Sakovich: Towards a spacetime intrinsic flat convergence (Seminar, Differential geometry and general relativity)

Jonatan Lenells: Solutions of boundary value problems for the stationary axisymmetric Einstein equations

22 Nov

Seminar, Differential geometry and general relativity

Tuesday 2022-11-22, 10:15 - 11:15

Participating: Jonatan Lenells, KTH

Location: Room 3418, Lindstedtsvägen 25

2022-11-22T10:15:00.000+01:00 2022-11-22T11:15:00.000+01:00 Jonatan Lenells: Solutions of boundary value problems for the stationary axisymmetric Einstein equations (Seminar, Differential geometry and general relativity) Room 3418, Lindstedtsvägen 25 (KTH, Stockholm, Sweden)Jonatan Lenells: Solutions of boundary value problems for the stationary axisymmetric Einstein equations (Seminar, Differential geometry and general relativity)

Alan Pinoy: Elliptic operators on asymptotically hyperbolic manifolds, and an application to the deformation of Poincaré-Einstein metrics

29 Nov

Seminar, Differential geometry and general relativity

Tuesday 2022-11-29, 10:15

Participating: Alan Pinoy, KTH

Location: 3418, Lindstedtsvägen 25

2022-11-29T10:15:00.000+01:00 2022-11-29T10:15:00.000+01:00 Alan Pinoy: Elliptic operators on asymptotically hyperbolic manifolds, and an application to the deformation of Poincaré-Einstein metrics (Seminar, Differential geometry and general relativity) 3418, Lindstedtsvägen 25 (KTH, Stockholm, Sweden)Alan Pinoy: Elliptic operators on asymptotically hyperbolic manifolds, and an application to the deformation of Poincaré-Einstein metrics (Seminar, Differential geometry and general relativity)

Oliver Petersen: The ADM equations in general relativity

6 Dec

Seminar, Differential geometry and general relativity

Tuesday 2022-12-06, 10:15 - 11:15

Participating: Oliver Petersen, KTH

Location: 3418, Lindstedtsvägen 25

2022-12-06T10:15:00.000+01:00 2022-12-06T11:15:00.000+01:00 Oliver Petersen: The ADM equations in general relativity (Seminar, Differential geometry and general relativity) 3418, Lindstedtsvägen 25 (KTH, Stockholm, Sweden)Oliver Petersen: The ADM equations in general relativity (Seminar, Differential geometry and general relativity)

Erik Duse: Harmonic mappings between manifolds

13 Dec

Seminar, Differential geometry and general relativity

Tuesday 2022-12-13, 10:15 - 11:15

Participating: Erik Duse, KTH

Location: 3418, Lindstedtsvägen 25

2022-12-13T10:15:00.000+01:00 2022-12-13T11:15:00.000+01:00 Erik Duse: Harmonic mappings between manifolds (Seminar, Differential geometry and general relativity) 3418, Lindstedtsvägen 25 (KTH, Stockholm, Sweden)Erik Duse: Harmonic mappings between manifolds (Seminar, Differential geometry and general relativity)