Seminars
23.01.2026
C^0-inextendibility of black hole spacetimes,
The DIANA seminar, Department of Mathematics, University of Vienna, Austria.
02.10.2025
Geometry and topology of trapped photon region in Kerr-Newman and Kerr-Sen spacetime,
Geometry and Convergence in Mathematical General Relativity, Simons Centre for Geometry and Physics, Stonybrook University, USA.
06.06.2025
C^0-inextendibility,
The DIANA seminar, Department of Mathematics, University of Vienna, Austria.25.10.2024
Geometry and topology of trapped photon region in stationary axisymmetric black hole spacetimes
The DIANA seminar, Department of Mathematics, University of Vienna, Austria.
01.03.2024 (online)
Geometry and topology of trapped photon region in a stationary spacetime class,
Theory of Relativity Seminar Faculty of Physics, University of Warsaw and National Centre for Nuclear Research, Poland.
20.02.2024
Geometry of trapped photon region in a class of stationary spacetimes,
Oberseminar, Dynamical systems, Ruhr Universität Bochum, Germany.
15.06.2023
Gravitational Collapse and Visible Singularities,
Oberseminar: Geometric Analysis, Differential Geometry and Relativity theory joint seminar between Tuebingen and Potsdam, Germany.28.01.2021 (online)
The global visibility of the singularity formed due to gravitational collapse,
Herzen State Pedagogical University of Russia.
Contributory talks
14.07.2025- 18.07.2025
Geometry and topology of of trapped photon region in Kerr-Newman and Kerr-Sen spacetimes,
24th International Conference on General Relativity and Gravitation and the 16th Edoardo Amaldi Conference on Gravitational Waves, the Scottish Exhibition Centre, Glasgow, UK: Link to the talk (begins at 31:40)
02.12.2024 - 05.12.2024
Geometry and topology of trapped photon region in Kerr-Newman and Kerr-Sen spacetimes,
JGRG: the 33rd Workshop on General Relativity and Gravitation, Osaka, Japan.
27.11.2023 - 01.12.2023
Geometry of trapped photon region in Newman-Janis algorithm constructed spacetimes,
JGRG: the 32nd Workshop on General Relativity and Gravitation, Nagoya, Japan.
03.05.2023-05.05.2023
Strong naked singularity as an end state of gravitational collapse,
13th Central European Relativity Seminar, Stockholm, Sweden.
26.02.2023 - 10.03.2023
Strong naked singularity as an end state of gravitational collapse,
Spring School on Mathematical General Relativity by Tuebingen and Potsdam, Germany.
16.05.2022 - 19.05.2022 (online)
Aspherical gravitational collapse,
Atlantic General Relativity Meeting 2022, hosted by Memorial University of Newfoundland and Labrador, Canada.
26.10.2021 - 28.10.2021 (online)
Globally visible singularities formed due to gravitational collapse,
27th International Conference of International Academy of Physical Sciences on Advances in Relativity and Cosmology, organised by the Dept. of Mathematics, BITS Pilani, Hyderabad, India.
09.03.2021 - 11.03.2021 (online)
Global nakedness of the singularity formed due to gravitational collapse,
Recent Developments in Cosmology and Modified Gravity, organised by the Dept. of Mathematics, BITS Pilani, Hyderabad, India.
20.12.2019 - 24.12.2019
On the viability of isentropic perfect fluid collapse with a linear equation of state,
International Workshop on Astrophysics and Cosmology, International Centre for Cosmology, Anand, India.
Poster Presentations
2019
YITP Asian-Pacific Winter School and Workshop on Gravitation and Cosmology at the Yukawa Institute of Theoretical Physics, Kyoto University (2019).2019
International Conference on Gravitation and Cosmology at the Indian Institute of Science Education and Research-Mohali, India.
Other Visits
16.06.2025 - 20.06.2025
Geometrical Aspects of Mathematical Relativity Masterclass,
Copenhagen Centre for Geometry & Topology (GeoTop), University of Copenhagen, Denmark05.2019 - 08.2022
Frequent visitor at the International Centre for Cosmology, Anand, India, for collaborative research work.25.11.2018 - 30.11.2018
Inter-University Centre for Astronomy and Astrophysics (IUCAA), Pune, India.