Research Visits
10/2019 California State University, East Bay, Hayward, California, USA.
Discussions with Prof. Jesus Oliver, Analyzes of wave equations in General Relativity.08/2019, Mathematical Research Institute of Oberwolfach, Oberwolfach, Germany.
02/2020 Research in pairs program with Dr. Yafet Sanchez Sanchez, Investigation of Rindler spacetimes.
04/2019, Institute of Analysis at Leibniz University Hannover, Hannover, Germany.
06-07/2019, Collaboration with Dr. Yafet Sanchez Sanchez, Investigation of Rindler spacetimes.
11/201908/2018, Max Planck Institute for Mathematics, Bonn, Germany.
12/2018 Collaboration with Dr. Yafet Sanchez Sanchez, Short term research stay, guest program.
07/2018, Bern University of Applied Sciences, Biel, Switzerland.
07-08/2019 Collaboration with Prof. André Lisibach, Investigation of shock interaction problem.
06-09/2015 University of Cologne, Institute for Theoretical Physics, Germany.
Invited by Prof. Claus Kiefer, Investigation of scalar waves on Kerr spacetimes.
10/2014- Princeton University, Mathematics Department, USA.
05/2015 Under the supervision of Prof. Mihalis Dafermos, Investigation of scalar waves on Kerr spacetimes.
03-05/2015, Institute for Advanced study, Princeton, USA.
03/2016, Invited by Prof. Piet Hut, Program in Interdisciplinary Studies.
03/2017
03/2013, Princeton University, Mathematics Department, USA.
01-04/2014 Carrying out research as part of PhD program.
10-12/2013 Eidgenössische Technische Hochschule (ETH), Zürich, Mathematics Department, Switzerland.
Carrying out research as part of PhD program.
02/2012- Cambridge University, Department of Pure Mathematics and Mathematical Statistics, United Kingdom.
01/2013 Carrying out research as part of PhD program.
02-03/2010 Harish-Chandra Research Institute (HRI), Allahabad, India.
Invited by Prof. Lakshmanan Sriramkumar, Collaboration with Dr. Sashideep Gutti.
02-04/2008 Tata Institute of Fundamental Research (TIFR), Mumbai, India.
Invited by Prof. Tejinder Pal Singh, Investigation of gravitational collapse as part of my Diploma thesis project.
01-05/2005 Indian Institute of Technology Roorkee (IITR), Roorkee, India.
Under the supervision of Prof. Aalok Misra, Research related to String Theory.
Talks
2020 General relativity without calculus.
California State University, East Bay, Hayward, California, USA, Mathematics Colloquium (online) (23/10/2020).
Universität Tübingen, Germany, Seminar (online), (16/07/2020).
Radboud
University, the
Netherlands, Seminar (online), (22/06/2020).
2019-2020 Stability of black holes: and how to use scalar waves for their analysis .
California State University, East Bay, Hayward, California, USA, Spitzer Physics, Seminar, (11/10/2019).
Rutgers University, New Jersey, USA, Mathematical Physics Seminar (online), (8/10/2020).
2018-2020 Flat Friedmann-Lemaître-Robertson-Walker and Kasner Big Bang singularities analyzed on the level of scalar waves .
Mini-Workshop on Wave Equations, Queen Mary University, London, UK workshop, (28/01/2020).
Equadiff 2019, Leiden, the Netherlands, conference, (07/2019).
University of Vienna, Vienna, Austria, seminar, (06/06/2019).
Radboud University Nijmegen, the Netherlands, Quantum gravity seminar, (20/02/2019).
Instituto Superior Técnico, Lisbon, Portugal, Partial Differential Equations seminar, (30/01/2019).
University of Bonn, Bonn, Germany, seminar, (21/12/2018).
University of Cologne, Cologne, Germany, Theoretical Physics seminar, (18/12/2018).
2018 Kerr black hole interior stability for scalar waves.
Field equations on Lorentzian spacetimes, Hamburg, Germany, conference, (03/2018).
2017 Strong Cosmic Censorship as seen from scalar waves in black hole interiors.
Imperial College, London, United Kingdom, seminar, (19/05/2017).
University of California, Los Angeles, USA, participating analysis seminar, (04/04/2017).
University of Surrey, Surrey, United Kingdom, seminar, (09/02/2017).
University of Southampton, Southampton, United Kingdom, Gravity seminars, (07/02/2017).
2016 Stability of black hole interiors and the Strong Cosmic Censorship Conjecture.
Instituto Superior Técnico, Lisbon, Portugal, seminar at CENTRA multidisciplinary centre for astrophysics, (29/09/2016).
Spanish-Portuguese Relativity Meeting, Lisbon, Portugal, (14/09/2016).
2014-2016 Boundedness of massless scalar waves on Reissner-Nordström interior backgrounds.
Instituto Superior Técnico, Lisbon, Portugal, Partial Differential Equations seminar, (11/02/2016).Universiteit Utrecht, the Netherlands, PhD seminar , (27/11/2015).
Institut Henri Poincaré, Paris, France, weekly mathematics seminar, (04/11/2015).
Université de Brest, France, Analysis seminar, (19/06/2015).
CUNY-City University of New York, New Jersey, USA, Analysis seminar, (03/03/2015).
University of Florida, Gainesville, Florida, USA, Theoretical Physics seminar, (07/11/2014).
University of Cologne, Cologne, Germany, Theoretical Physics seminar, (27/05/2014).
2012 Internal structure of black holes and the vector field method.
Universiteit Utrecht, Utrecht, the Netherlands, Planet PhD students talk, (13/11/2012).2011 Einführung in die Quantentheorie und Bezug zur Leerheit. Introduction to Quantum Theory and relationship to emptiness.
Aachen, Germany, talk for lay audience, (03/09/2011).Hamburg, Germany, talk for lay audience, (11/06/2011).
2011 Scalar wave equation in Kerr backgrounds.
2nd joint Dutch-ITF school on Theoretical Physics, Sao Paulo, Brazil, (18/02/2011).2008-2010 Classical and quantum gravitational collapse in the Lemaître–Tolman–Bondi model with positive cosmological constant.
Postgraduate AIO/OIO School 2010, Driebergen, the Netherlands, (04/02/2010).Universiteit Utrecht, Utrecht, the Netherlands, Seminar talk, (19/03/2009).
DPG Frühjahrstagung, München, Germany, conference, (09/03/2009).
University of Cologne, Cologne, Germany, Diplomkolloquium, (05/08/2008).
2005 Uplifting the Iwasawa.
Theoretical High Energy Physics (THEP)-I, Roorkee, India, conference, (20/03/2005).Conferences and Workshops
01/2020 Mini-Workshop on Wave Equations.
Queen Mary University, London, UK, speaker
12/10/2019 Pacific Math Aliance Conference.
California State University, East Bay, Hayward, California, USA
06/2019 Equadiff 2019.
Leiden, the Netherlands, speaker
02/2019 NonLinear Analysis Days.
Radboud Unversity, Nijmegen, the Netherlands
03/2018 Field equations on Lorentzian spacetimes.
Hamburg, Germany, speaker
07/2017 Mathematics, Physics, and their Interaction. Conference in Honour of Demetrios Christodoulou’s 65th Birthday.
ETH, Zürich, Switzerland09/2016 One hundred years of the Schwarzschild solution.
Spanish-Portuguese Relativity Meeting, Lisbon, Portugal05/2016 Recent advances on the global nonlinear stability of Einstein spacetimes .
Mathematisches Forschungsinstitut Oberwolfach, Germany09/2015- Recent advances in mathematical General Relativity, Trimester Program to
12/2015 celebrate the 100th Anniversary of General Relativity.
Institut Henri Poincaré, Paris, France
Poster presentation: Boundedness of massless scalar waves on Reissner-Nordström interior backgrounds
01/2015 Mathematical Problems in General Relativity.
Simons Center for Geometry and Physics, Stony Brook, USA
07-08/2014 99 years of General Relativity, ESI-EMS-IAMP Summer school on Mathematical Relativity.
Vienna, Austria
Poster presentation: Boundedness of massless scalar waves on Reissner-Nordström interior backgrounds
06-07/2014 Asymptotic analysis in general relativity.
Grenoble, France
07/2013 Kerr Conference.
Potsdam, Germany
05/2013 Conference on Nonlinear Wave Equations.
Paris, France
03/2013 Infinities and Cosmology.
Cambridge, United Kingdom
09/2012 International Conference on Nonlinear PDE.
Oxford, United Kingdom
06/2012 NEB 15 - Recent Developments in Gravity.
Chania, Greece
12/2011 International Conference on Gravitation and Cosmology [ICGC2011].
Goa, India
Poster presentation: The interior of Kerr black holes
05/2011 2011 Trends in Theory, 9th biennial symposium of the Dutch Research School of Theoretical Physics.
Dalfsen, the Netherlands
Best Poster Award: Scalar waves in Kerr background, (Sponsored by Shell Global Solutions International)
02/2011 2nd joint Dutch-ITF school on Theoretical Physics.
Sao Paulo, Brazil, speaker
02/2011 XVI Escola de Verao Jorge André Swieca de Particulas e Campos.
Campos do Jordao, Brazil
09-10/2010 Quantum Field Theory and Gravity, Conceptual and mathematical advances in the search for a unified framework.
Universität Regensburg, Germany
02/2010 Postgraduate AIO/OIO School 2010 Theoretical High Energy Physics.
Driebergen, the Netherlands, speaker
09/2009 DPG Frühjahrstagung.
Ludwig-Maximilians-Universität, München, Germany, speaker
09/2008 Beyond Einstein.
Johannes Gutenberg University, Mainz, Germany
09/2008 Space and time 100 Years after Minkowski.
Physikzentrum, Bad Honnef, Germany
05/2008 Quantum Gravity Colloquium IV.
Albert Einstein Institute, Golm, Germany
04/2008 Quantum Gravity: Challenges and Perspectives.
Physikzentrum, Bad Honnef, Germany09/2007 Quantum Gravity Colloquium II.
Imperial College, London, England03-04/2007 The First Quantum Gravity and Quantum Geometry School.
University of Warsaw, Zakopane, Poland03/2005 Theoretical High Energy Physics (THEP)-I.
Indian Institute of Technology Roorkee, India, speakerOther scientific activities
as part of the long program Mathematical and Computational Challenges in the Era of Gravitational Wave Astronomy
(September 13 - December 17, 2021).
(September 13 - December 17, 2021).
starting from October 2020.
Presentation about black holes and mathematics as a career track
at Diablo Valley College, San Ramon Campus (2019), for college students.
Lecturer of the course: ‘General Relativity without Calculus’ at AstroCamp
(2017), for students in their final years of secondary education.Organizing Partial Differential Equation seminar
at Instituto Superior Técnico (2016, 2017).
Referee for scientific article.
Annalen der Physik, (2011).