Seminar, Differential geometry and general relativity

Klaus Kröncke: Some isolation and stability results for Einstein manifolds

25 Sep

Seminar, Differential geometry and general relativity

Thursday 2025-09-25, 10:00 - 11:00

Participating: Klaus Kröncke, KTH

Location: 3418, Lindstedtsvägen 25

2025-09-25T10:00:00.000+02:00 2025-09-25T11:00:00.000+02:00 Klaus Kröncke: Some isolation and stability results for Einstein manifolds (Seminar, Differential geometry and general relativity) 3418, Lindstedtsvägen 25 (KTH, Stockholm, Sweden)Klaus Kröncke: Some isolation and stability results for Einstein manifolds (Seminar, Differential geometry and general relativity)

Jakob Reiffenstein: Quantitative formulae for the Weyl coefficient of a canonical system

9 Oct

Seminar, Differential geometry and general relativity

Thursday 2025-10-09, 10:00 - 11:00

Participating: Jakob Reiffenstein, SU

Location: 3418, Lindstedtsvägen 25

2025-10-09T10:00:00.000+02:00 2025-10-09T11:00:00.000+02:00 Jakob Reiffenstein: Quantitative formulae for the Weyl coefficient of a canonical system (Seminar, Differential geometry and general relativity) 3418, Lindstedtsvägen 25 (KTH, Stockholm, Sweden)Jakob Reiffenstein: Quantitative formulae for the Weyl coefficient of a canonical system (Seminar, Differential geometry and general relativity)

Rasmus Jouttijärvi: Towards Stability of Einstein Manifolds with Boundary

16 Oct

Seminar, Differential geometry and general relativity

Thursday 2025-10-16, 10:00 - 11:00

Participating: Rasmus Jouttijärvi, KTH

Location: 3418, Lindstedtsvägen 25

2025-10-16T10:00:00.000+02:00 2025-10-16T11:00:00.000+02:00 Rasmus Jouttijärvi: Towards Stability of Einstein Manifolds with Boundary (Seminar, Differential geometry and general relativity) 3418, Lindstedtsvägen 25 (KTH, Stockholm, Sweden)Rasmus Jouttijärvi: Towards Stability of Einstein Manifolds with Boundary (Seminar, Differential geometry and general relativity)

Ahmed Ellithy: Static and Stationary Vacuum Extensions Realizing Bartnik Boundary Data: Local Well-Posedness near Schwarzschild Spheres

23 Oct

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)

Markus Wolff: Some remarks on the Bartnik mass

30 Oct

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)

Mattias Dahl: D-minimal metrics on compact spin manifolds.

6 Nov

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)

Samuel Lockman: Perturbation theory of Dirac operators and homotopy groups of parameter spaces

13 Nov

Seminar, Differential geometry and general relativity

Thursday 2025-11-13, 10:00 - 11:00

Participating: Samuel Lockman, University of Regensburg

Location: Cramér Room, Roslagsvägen 26

2025-11-13T10:00:00.000+01:00 2025-11-13T11:00:00.000+01:00 Samuel Lockman: Perturbation theory of Dirac operators and homotopy groups of parameter spaces (Seminar, Differential geometry and general relativity) Cramér Room, Roslagsvägen 26 (KTH, Stockholm, Sweden)Samuel Lockman: Perturbation theory of Dirac operators and homotopy groups of parameter spaces (Seminar, Differential geometry and general relativity)

Anna Sancassani: Global charges on asymptotically corresponding initial data sets

20 Nov

Seminar, Differential geometry and general relativity

Thursday 2025-11-20, 10:00 - 11:00

Participating: Anna Sancassani, University of Tübingen

Location: Cramér room, Roslagsvägen 26

2025-11-20T10:00:00.000+01:00 2025-11-20T11:00:00.000+01:00 Anna Sancassani: Global charges on asymptotically corresponding initial data sets (Seminar, Differential geometry and general relativity) Cramér room, Roslagsvägen 26 (KTH, Stockholm, Sweden)Anna Sancassani: Global charges on asymptotically corresponding initial data sets (Seminar, Differential geometry and general relativity)

Annachiara Piubello: Towards a Definition of Energy and its Positivity in Spacetimes With an Expanding Flat de Sitter Background

27 Nov

Seminar, Differential geometry and general relativity

Thursday 2025-11-27, 09:00 - 10:00

Participating: Annachiara Piubello, University of Copenhagen

Location: KTH, room 3418

2025-11-27T09:00:00.000+01:00 2025-11-27T10:00:00.000+01:00 Annachiara Piubello: Towards a Definition of Energy and its Positivity in Spacetimes With an Expanding Flat de Sitter Background (Seminar, Differential geometry and general relativity) KTH, room 3418 (KTH, Stockholm, Sweden)Annachiara Piubello: Towards a Definition of Energy and its Positivity in Spacetimes With an Expanding Flat de Sitter Background (Seminar, Differential geometry and general relativity)

Eric Ling: Existence and nonexistence of CMC Cauchy surfaces in cosmological spacetimes

27 Nov

Seminar, Differential geometry and general relativity

Thursday 2025-11-27, 10:30 - 11:30

Participating: Eric Ling, University of Copenhagen

Location: KTH, room 3418

2025-11-27T10:30:00.000+01:00 2025-11-27T11:30:00.000+01:00 Eric Ling: Existence and nonexistence of CMC Cauchy surfaces in cosmological spacetimes (Seminar, Differential geometry and general relativity) KTH, room 3418 (KTH, Stockholm, Sweden)Eric Ling: Existence and nonexistence of CMC Cauchy surfaces in cosmological spacetimes (Seminar, Differential geometry and general relativity)

Louie Bernhardt: Stability of cosmological spacetimes undergoing decelerated expansion

4 Dec

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)

Carl Rossdeutscher: Rigidity aspects of a singularity Theorem

4 Dec

Seminar, Differential geometry and general relativity

Thursday 2025-12-04, 10:30 - 11:30

Participating: Carl Rossdeutscher, University of Vienna

Location: Cramér Room, Roslagsvägen 26

2025-12-04T10:30:00.000+01:00 2025-12-04T11:30:00.000+01:00 Carl Rossdeutscher: Rigidity aspects of a singularity Theorem (Seminar, Differential geometry and general relativity) Cramér Room, Roslagsvägen 26 (KTH, Stockholm, Sweden)Carl Rossdeutscher: Rigidity aspects of a singularity Theorem (Seminar, Differential geometry and general relativity)

Penelope Gehring: Finite propagation speed vs. non-local boundary conditions

11 Dec

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)