
Incoming and Local


Our regular slot for seminars on quantum gravity and other interesting topics is
on Fridays at 14.00h. The venue is HG02.802, unless specified otherwise.
UPDATE Seminars are currently taking place remotely on Fridays at 14.30h.
If you are not on one of our distribution lists for the announcements, please contact
R. Loll for login details if you would like to participate in a specific event.
The other event hosted by the group is an informal brownbag lunchtime discussion and journal club
(currently organized by Timothy Budd  send him an email if you want to join the mailing list)
which takes place on Wednesdays at 12.30h in room
HG02.802, unless specified otherwise. UPDATE Also these seminars are currently
happening online, usually on Wednesday at 14.30h. The schedule can be found
here.
Past and forthcoming events:

Dec 4

QG Seminar
Vitor Cardoso (Lisbon): tba

Nov 27

QG Seminar
Giuseppe Clemente (RU): Spectral methods in Causal Dynamical Triangulations: from dual graphs to finite elements

Nov 20

QG Seminar
Manuel Reichert (Sussex U): Quantum Gravity: a fluctuating point of view

Nov 13

QG Seminar
Marios Christodoulou (U Hong Kong and Oxford U): Quantum superpositions of graphs

Nov 6

QG Seminar
Maarten van de Meent (MPI Potsdam): Extreme Mass Ratio Inspirals and their dynamics

Oct 30

QG Seminar
Lesław Rachwał (FU Juiz de Fora): Finite quantum gravity

Oct 23

QG Seminar
Niels Obers (Nordita, Stockholm): Nonrelativistic expansion of General Relativity

Oct 9

QG Seminar
Job Feldbrugge (Carnegie Mellon U and Perimeter I): Lorentzian quantum cosmology

Oct 2

QG Seminar
Beatrice Bonga (Radboud): BMSlike structures in cosmology

Sep 25

QG Seminar
Suddhasattwa Brahma (McGill): Quantum gravity completion of de Sitter spacetime

Jul 10

QG Seminar
Marcel Vonk (UvA): Resurgence for quantum gravity enthusiasts

Jul 3

QG Seminar
Igor Khavkine (Czech Academy of Sciences): Harmonic gauge classical and quantum fields around a Schwarzschild black hole

Jun 26

QG Seminar
Michal Eckstein (U Gdansk): From spectral dimension to dimension spectrum and back

Jun 19

QG Seminar
Bianca Dittrich (Perimeter I.): Can spin foams work?

Jun 12

QG Seminar
Annegret Burtscher (RU): On the metric structure and curvature bounds in Lorentzian geometry

Jun 5

QG Seminar
Sumati Surya (Raman Institute, Bangalore): Quantum dynamics for causal sets: Three approaches

May 29

QG Seminar
Stratos Papadoudis (NTU Athens): Complex Langevin analysis of the spontaneous breaking of 10D rotational symmetry in the Euclidean IKKT matrix model

May 15

QG Seminar
Susanne Schander (U Erlangen): Backreactions in quantum cosmological perturbation theory

May 8

QG Seminar
Alfredo Perez (CECs, Valdivia, Chile): Spacetime structure near black hole and cosmological horizons in any dimension and soft hair

May 1

QG Seminar
Jacome Armas (UvA): A certain improvement of the BlandfordZnajek mechanism

Apr 24

QG Seminar *unusual time 14.30h*
Fabrizio Canfora (CECs, Valdivia, Chile): From gravitating Skyrmions to flat Skyrmions at finite density: building crystals

Feb 21

QG Seminar
Luca Lionni (RU): Scaling limits of random graphs and a proposal for random geometry in higher dimensions

Feb 7

QG Seminar
Kevin Grosvenor (U Würzburg): Entanglement entropy and subregion complexity in thermal perturbations around pureAdS

Feb 5

Joint QG&Maths Seminar *unusual day and time 12.30h*
Desmond Johnston (HeriotWatt, Edinburgh): The 3D plaquette Ising model: From random surfaces to fractons

Dec 13

QG Seminar
Yuri Makeenko (ITEP, Moscow): Nonperturbative quantization of effective string

Dec 6

QG Seminar
Yuki Sato (Nagoya U and RU): How to "cool down" the Ising model on 2d dynamical triangulations

Nov 29

QG Seminar
Razvan Gurau (I. Polytechnique, Paris): Tensor field theory

Nov 22

QG Seminar
Clara Nellist (RU): How to measure a particle: from detector hits to statistical fits

Nov 14

QG Seminar *unusual day*
Alicia Castro (Radboud): Point particle in 3D discrete gravity and holography

Nov 8

QG Seminar
Wioletta Ruszel (Utrecht U): Emergence of interfaces from sandpile models

Oct 22

QG Seminar *unusual day and time 13.30h*
Seth Kurankyi Asante (U Waterloo & Perimeter I.): Holographic dualities for 3D metric gravity

Oct 4

QG Seminar
Bianca Dittrich (Perimeter & RU): Quantum geometry from higher gauge theory

Sep 27

QG Seminar
Andrew Levan (RU): The origin of heavy elements from gravitational wave induced mergers

Sep 20

QG Seminar
Will Cunningham (Perimeter I): Dimensionally restricted causal sets

Sep 18

QG Seminar *unusual day and time 12.30h*
Leon Sosapanta Salas: Quantum gravity effects on the stability of accretion toward a Schwarzschild black hole

Sep 13

QG Seminar
Beatrice Bonga (Perimeter I): Angular momentum radiated by electromagnetic versus gravitational waves

Sep 6

QG Seminar
Manuel Reichert (U Southern Denmark): Towards diffeomorphism invariance and background independence in asymptotically safe quantum gravity

Jul 5

QG Seminar
Andrzej Görlich (Krakow U): CDT  toroidal topology and coordinates

Jun 3

QG Seminar *unusual day*
Antonio Pereira (U Federal Fluminense): Gauge copies and confinement

Apr 12

QG Seminar
Gerben Oling (NBI, U Copenhagen): Nonrelativistic gravity from a limit of AdS3

Mar 29

QG Seminar
Mario Herrero Valea (EPFL, Lausanne): Unimodular gravity and the cosmological constant

Mar 15

QG Seminar
Filipe de Oliveira Salles (CBPF, Rio de Janeiro): On the ghostinduced instability on de Sitter background CANCELLED

Mar 1

QG Seminar
Andrea Fuster (Eindhoven U.): Finsler gravity: what, why and how

Feb 15

QG Seminar
Shira Chapman (UvA): Holographic complexity in Vaidya spacetimes

Feb 8

QG Seminar
Antonio Pereira (Heidelberg U): Background independent renormalization group flows in tensor models

Jan 18

QG Seminar
Diederik Roest (RU Groningen): The primordial universe: from inflation to geometry

Dec 14

QG Seminar
Frank Verbunt (RU): Determination of neutronstar velocities

Dec 7

QG Seminar
Sean Gryb (RU Groningen): On the universality of Hawking radiation

Nov 23

QG Seminar
Bert Kappen (RU): Quantum machine learning

Nov 9

QG Seminar
Maximilian Becker (U. Mainz): Scaling of geometric operators in Asymptotic Safety

Oct 19

QG Seminar
Alessandro Codello (Bologna): Universality in the epsilonexpansion

Oct 12

QG Seminar
Annegret Burtscher (RU): Spacetimes with matter and low regularity

Oct 5

QG Seminar
Guilherme Franzmann (McGill): Beyond Inflation: The String Gas Cosmology and recent developments

Sep 20

QG Seminar *unusual day*
Alessia Bonanno (Catania): The inner structure of a quantum black hole

Sep 11

QG Seminar *unusual day and time 13.30h*
Fernando Barbero (CSIC Madrid): On the distribution of the eigenvalues of the area operator in loop quantum gravity

Sep 11

QG Seminar *unusual day and time 14.20h*
Domenico Giulini (U. Hannover): Elementary considerations concerning quantum mechanics and gravity


 

Outgoing


Here is a selection of my past and future appearances as
seminar or conference speaker and of other engagements.
2020:

Jan 21

Invited Talk,
Physics@Veldhoven,
Veldhoven, The Netherlands

Jan 27

Invited Talk,
Colloquium, MaxPlanck Institute for Complex Systems,
Dresden, Germany

Jun 8

Contributed Talk,
Workshop "New developments in dimensions 3 and higher",
Paris, France  cancelled

Jun 23

Invited Talk,
Conference "Quantum Geometry 2020",
Torshavn, Faroe Islands  cancelled

Jul 14

Invited Talk,
Quantum Gravity 2020,
Perimeter Institute, Canada (online event)

Sep 6

Invited Lecture,
Vienna Summer School 2020 on Gravitational Quantum Physics ,
University of Vienna, Austria (online event)


2019:

Jan 22

Invited Talk,
Symposium "Road to Reality",
IAS, Amsterdam, The Netherlands

Feb 22

Invited Talk,
BerlinBrandenburg Academy of Sciences and Humanities,
Berlin, Germany

Apr 8

Seminar Talk,
Pisa University,
Pisa, Italy

Jun 11

Invited Talk,
Conference "Gravity and Other Fields Under the Volcano",
Catania, Italy

Jul 11

Contributed Talk,
22nd International Conference on General Relativity and Gravitation,
Valencia, Spain

Jul 12

Invited Talk,
Conference 't Hooft 2019,
Utrecht, The Netherlands

Jul 23

Invited Talk,
Quantum and Gravity in Okinawa,
OIST, Okinawa, Japan

Sep 3

Invited Lectures,
51. Herbstschule für Hochenergiephyik,
Maria Laach, Germany

Sep 17

Invited Talk,
Workshop on Quantum Geometry, Field Theory and Gravity,
Corfu, Greece

Oct 23

Invited Talk,
Conference on Quantum Gases, Fundamental Interactions and Cosmology,
Pisa, Italy

Nov 18

Invited Talk,
Emmy Noether Workshop: The Structure of Quantum Space Time,
Perimeter Institute, Canada


2018:

Jan 24

Focus Session Talk,
"Physics at Veldhoven Conference 2018",
Veldhoven, The Netherlands

Feb 22

Invited Talk,
Workshop "Quantum Spacetime '18",
Sofia, Bulgaria

Apr 16

Special Huygens Colloquium,
commemorating Stephen Hawking,
Radboud University, The Netherlands

May 17

Seminar Talk,
Cosmology Group, Perimeter Institute,
Waterloo, Canada

Jun 13

Seminar Talk,
Universite Libre de Bruxelles,
Brussels, Belgium

Jun 22

Invited Talk,
Workshop on "Quantum spacetime and the renormalization group",
Bad Honnef, Germany

Jul 9

Invited Talk,
Conference "Exact Renormalization Group 2018",
Paris, France

Sep 27

Invited Talk,
MITP Workshop on "Quantum Fields",
Mainz, Germany

Nov 5

Invited Talk,
Workshop on "Physics and Mathematics of Discrete Geometries",
Nagoya, Japan

Nov 19

Jury speech,
Symposium "Views on Spacetime", Award of the 2018 Lorentz Medal,
KNAW, Amsterdam, The Netherlands

Nov 28

Invited Talk,
Symposium on "Forces of Nature",
Groningen, The Netherlands


2017:

Jan 31

Seminar Talk,
Institute for Theoretical Physics, University of Amsterdam,
The Netherlands

Feb 8

Invited Talk,
Workshop on "Path Integration in Complex Dynamical Systems",
Leiden, The Netherlands

Feb 14

Invited Talk,
Workshop on "Quantum Spacetime and the Renormalization Group",
Leiden, The Netherlands

Mar 3031

Invited Lectures,
Graduate Days, Institute of Physics, Graz University,
Austria

Apr 10

Invited Talk,
Domeinmiddag Dutch Royal Society, Domain for Natural Sciences and Engineering (NTW),
Amsterdam, The Netherlands

May 10

Seminar Talk,
Quantum Gravity Group, Perimeter Institute,
Waterloo, Canada

Jul 10

Invited Talk,
Conference on "Probing the Spacetime Fabric",
Trieste, Italy

Sep 20

Invited Talk,
Ninth Mathematical Physics Meeting,
Belgrade, Serbia

Oct 30

Colloquium,
University of Göttingen,
Germany

Dec 19

Invited Talk,
6th Rome Joint Workshop,
Frascati, Italy


2016:

Mar 2

Plenary Talk,
Spring Meeting of the German Physical Society,
Hamburg, Germany

Mar 7

Invited Talk,
Physics and Astronomy Section, Royal Netherlands Academy of Arts and Sciences (KNAW),
Amsterdam, The Netherlands

Apr 4

Invited Talk,
FYSICA 2016,
Nijmegen, The Netherlands

Jun 13

Colloquium,
Freiburg University,
Germany

Jun 20

Plenary Talk,
Conference on 'Emergent properties of spacetime',
CERN, Geneva, Switzerland

Jun 30

Plenary Talk,
Conference on 'Time in cosmology',
Perimeter Institute, Waterloo, Canada

Jul 11

Invited Parallel Talk,
21st International Conference on General Relativity and Gravitation (GR21),
Columbia University, New York City, U.S.A.

Sep 21

Plenary Talk,
Conference 'Recent Developments in Gravity',
Mykonos, Greece

Oct 4

Plenary Talk,
Riemann Conference,
Munster, Germany

Nov 14

Colloquium,
University College London,
United Kingdom

Dec 5

Colloquium,
Huygens Colloquium, Faculty of Science, Radboud University,
The Netherlands


2015:

Jan 20

Focus Session "Quantum Gravity",
Physics@FOM Veldhoven 2015,
The Netherlands

Feb 9

Colloquium,
Freiburg University,
Germany  cancelled

Feb 12

Invited Lecture,
Donders Beyond Borders,
Donders Institute for Brain, Cognition and Behaviour,
Nijmegen, The Netherlands

Mar 5

Invited Lecture,
Vrouwen in de Spotlight,
Nijmegen, The Netherlands

Mar 18

Plenary Talk,
49th Annual Meeting of the Finnish Physical Society,
Helsinki, Finland

May 21

Seminar,
Perimeter Institute,
Waterloo, Canada

Jun 12

Plenary Talk,
20th Itzykson Conference: Random Surfaces and Random Geometry,
IPhT, CEA Saclay, France

Sep 7

Invited Talk,
Workshop on Prospects for Causal Set Quantum Gravity,
ICMS, Edinburgh, UK

Oct 7

Invited Talk,
Workshop on 100 Years of Curved Spacetime,
Austrian Academy of Sciences, Vienna, Austria

Oct 9

Invited Talk,
'The Information Universe' Conference,
Groningen, The Netherlands

Dec 9

Colloquium,
NordrheinWestfalische Akademie der Wissenschaften und der Kunste,
Dusseldorf, Germany


2014:

Jan 31

Colloquium,
Heidelberg University,
Germany

Mar 3

Invited Talk,
Workshop on Quantum Gravity and Fundamental Cosmology,
AlbertEinstein Institute, PotsdamGolm, Germany

Mar 18

Invited Lecture,
Royal Physical Society,
Groningen, The Netherlands

Mar 23

Colloquium,
Tel Aviv University,
Israel

Mar 24

Plenary Talk,
2014 COST Meeting on Fundamental Problems in Quantum Physics,
Weizmann Institute, Rehovot, Israel

Apr 22

Invited Talk,
Workshop on "Renormalization Group Approaches to Quantum Gravity",
Perimeter Institute, Waterloo, Canada

Jul 14

Invited Talk,
Workshop on "Combinatorics, Geometry and Physics",
Erwin Schrodinger Institute, Vienna, Austria

Sep 11

Plenary Talk,
Conference on "Conceptual and Technical Challenges for Quantum Gravity 2014",
University La Sapienza, Rome, Italy

Sep 28

Plenary Talk,
Conference "Isham at 70: Modern Issues in Foundations of Physics",
Imperial College, London, UK

Dec 16

Invited Talk,
NIKHEF Jamboree 2014, Nijmegen, The Netherlands




