
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.
The other event hosted by the group is an informal brownbag lunchtime discussion and journal club
(organized by Reiko Toriumi and Lisa Glaser  send them 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.
Past and forthcoming events:

Jun 29

QG Seminar
Bianca Dittrich (Perimeter I. and RU): tba

Jun 15

QG Seminar
Andrey Bagrov (RU): tba

Jun 8

QG Seminar
Dionysios Anninos (UvA): tba

Jun 1

QG Seminar
Giuseppe Clemente (U. Pisa): tba

May 18

QG Seminar
Irene Valenzuela (UU): Quantum gravity constraints on low energy physics

Apr 13

QG Seminar
Jose Mourao (IST Lisbon): Nonuniqueness of quantization, (no) reality conditions, complex time evolution and
generalized coherent state transforms

Apr 6

QG Seminar
Thomas Thiemann (Erlangen U): Constructive QFT Approach to Quantum Gravity

Mar 23

QG Seminar
Andrew Williamson (RU): Early insights from gravitational wave astronomy

Mar 16

QG Seminar
Sebastian Steinhaus (Perimeter I.): Spectral dimension of cuboid spin foams

Mar 9

no seminar

Mar 2

QG Seminar
Sebastian Steinhaus (Perimeter I): CANCELLED

Feb 23

QG Seminar
Anuradha Samajdar (Nikhef): Fundamental physics with the direct detection of gravitational waves

Feb 9

QG Seminar
Mikhail Katsnelson (RU): Theory of graphene

Feb 2

QG Seminar
Timothy Budd (RU): Random surfaces as a base camp in physics

Dec 15

QG Seminar
Yoshiyuki Watabiki (Tokyo I. of Technology and Radboud): Accelerating universe without dark energy

Dec 8

QG Seminar
Eric Bergshoeff (Groningen U): NewtonCartan gravity in action

Dec 1

QG Seminar
Alexey Koshelev (U Beira Interior): AID (analytic infinite derivative) gravity

Nov 24

QG Seminar
Dario Benedetti (Paris): The melonic limit: from dynamical triangulations to holography

Nov 17

QG Seminar
Giulia Gubitosi (Rome U and Radboud): Modelling the early universe with quantum gravity

Nov 10

QG Seminar
Tanja Hinderer (Radboud): Effective onebody model for black hole and neutron star binaries

Nov 3

QG Seminar
Petr Jizba (Czech TU Prague): Inflationary cosmology from quantum conformal gravity

Oct 27

QG Seminar
Alessandra Silvestri (Leiden U): Testing gravity with Large Scale Structure: the theoretical side of the challenge

Oct 13

QG Seminar
Glenn Barnich (UL Bruxelles): BMS current algebra and central extension

Oct 6

QG Seminar
Omar Zanusso (U. Jena): Conformal data in the epsilonexpansion

Sep 29

QG Seminar
Jan Ambjorn (Niels Bohr Institute & Radboud): Making matrix models great again

Sep 15

QG Seminar
Renate Loll (Radboud): Quantum Ricci curvature

Jun 16

QG Seminar
Thomas Krajewski (CPT Marseille): A renormalization group approach to the universality of Wigner's semicircle law for random matrices with dependent entries

Jun 9

QG Seminar
Marieke Postma (NIKHEF): UV (in)sensitivity of Higgs inflation

Jun 2

QG Seminar
Pablo Arrighi (LIF, Marseille): Quantum causal graph dynamics

May 31

QG Seminar *unusual day and time 12.30pm*
Gerard 't Hooft (Utrecht U.): What is needed to beat the firewalls in black holes

May 19

QG Seminar
Eric Cator (RU): Last passage percolation

Apr 28

QG Seminar
Henrik Nersisyan (Heidelberg U.): Nonlocal cosmology

Apr 21

QG Seminar
Cora Uhlemann (Utrecht U.): Cosmic structure formation pushed to the nonlinear regime

Apr 12

QG Seminar *unusual day and time 12.30pm*
Niels Obers (NBI Copenhagen): NonLorentzian geometry in gravity

Apr 7

QG Seminar
Luca Lionni (Orsay): Discrete Euclidean spaces from bigger polytopes

Mar 30

QG Seminar *unusual day and time 3pm*
Sascha Caron (RU): Searching for new TeV scale physics with smart algorithms

Mar 24

QG Seminar
JanWillem van Holten (U. Leiden and NIKHEF): Dynamics of spinning bodies in curved spacetime

Mar 17

QG Seminar *unusual time 2.30pm*
Gunther Cornelissen (U. Utrecht):
Spectral zeta functions as a tool in cosmology

Mar 10

QG Seminar
Aleksandr Kurov (RU):
Renormalization group flow on foliated spacetimes

Mar 3

QG Seminar
Masatoshi Yamada (U. Heidelberg): Gravitational wave spectrums from phase transitions in hidden sector

Feb 24

QG Seminar
Patricia Schmidt (RU): Gravitationalwave signals from precessing binary black holes: modelling & data analysis

Feb 3

QG Seminar
Andrzej Gorlich (NBI and Krakow U.): MIXMAX  A new pseudorandom number generator?

Jan 27

QG Seminar
Miranda Cheng (UvA): String theory and moonshine

Jan 20

QG Seminar
Sergey Sibiryakov (CERN): Renormalization and running of couplings in Horava gravity

Jan 13

QG Seminar
Jedrzej Swiezewski (Warsaw U.): Observables observed by an observer

Dec 16

QG Seminar
Jerzy Lewandowski (Warsaw U.): From Trautman's radiating spacetimes to nonexpanding
horizons and near horizon geometries

Dec 9

QG Seminar
Carlo Pagani (Mainz U.): Composite operators in asymptotic safety

Nov 25

QG Seminar
Hanno Sahlmann (U Erlangen): From loops and groups to black hole entropy: Horizons in loop quantum gravity

Nov 18

QG Seminar
Jan Ambjorn (Niels Bohr Institute/RU): 2d CDT with Wflavour: A theory of emergence of time and space(?)

Nov 11

QG Seminar
Daniele Oriti (AEI PotsdamGolm): Renormalization of group field theories and emergent cosmological dynamics

Nov 4

QG Seminar
Jorma Louko (Nottingham U): Waiting for Unruh

Oct 21

QG Seminar
Nicolai Christiansen (U Heidelberg): Graviton correlation functions and asymptotic safety

Oct 14

QG Seminar
David Nichols (Radboud U): Gravitationalwave memory observables and charges of the extended BMS algebra

Oct 7

QG Seminar
Ben Freivogel (UvA): Is AdS unstable to small perturbations?

Sep 30

QG Seminar
Igor Khavkine (U Rome, Tor Vergata): Local and gaugeinvariant observables in gravity

Sep 16

QG Seminar *unusual time 3pm*
Tomislav Prokopec (Utrecht U): Quantum scalar corrections to the gravitational
potentials on de Sitter background

Sep 9

QG Seminar
Anupam Mazumdar (Lancaster U): Towards ghost free and singularity free theory of gravity

Jul 1

QG Seminar
Christian Steinwachs (U. Freiburg): Renormalization of Horava gravity

Jun 24

QG Seminar
Sylvain Carrozza (U. Bordeaux): Flowing in Group Field Theory space

Jun 17

QG Seminar
Benjamin Bahr (U. Hamburg): Numerical indications of a phase transition in 4d spin foam quantum gravity

Jun 10

QG Seminar
Alejandra Castro (U. Amsterdam): Higher spin black holes

May 30

QG Seminar *note unusual day*
Kasia Rejzner (York U.): Gauge invariant observables in effective quantum gravity and cosmology

May 20

QG Seminar
Michael Mueger (RU): On the renormalization group approach to parabolic PDE's

Apr 22

QG Seminar
Alessia Platania (Catania): Gravitational collapse in the AS scenario: a KurodaPapapetrou RGimproved model

Mar 18

QG Seminar
Mohammad Ansari (TU Delft): Flow of entropy is open quantum systems

Mar 11

QG Seminar
Gijs Nelemans (RU): Gravitational wave astrophysics

Mar 3

QG Seminar *note unusual day*
Flavio Mercati (Perimeter I.): Through the big bang

Feb 26

QG Seminar
Domenico Giulini (Hannover U.): Black holes in cosmological spacetimes

Feb 19

QG Seminar
Barbara Terhal (RWTH Aachen): Mapping a quantum circuit onto a Hamiltonian: applications in quantum computation and beyond?

Feb 12

QG Seminar
Javier Olmedo (Louisiana State U.): Spherically symmetric quantum spacetimes coupled to a thin nulldust shell

Feb 5

QG Seminar
Fay Dowker (Imperial College): A distinguished state for QFT in a spacetime region

Dec 18

QG Seminar
Beatrice Bonga (Penn State U.): Phenomenology of inflation with Starobinsky potential in LQC

Dec 11

QG Seminar
Miles Blencowe (Dartmouth): Effective field theory approach to gravitationally induced decoherence

Dec 4

QG Seminar
Tobias Rindlisbacher (ETH Zurich): Recent work on Euclidean Dynamical Triangulation

Nov 27

QG Seminar
Ginestra Bianconi (Queen Mary U., London): Network geometry with flavour: From complexity to quantum geometry

Nov 20

QG Seminar
Jan Ambjorn (RU & NBI Copenhagen): The string world is the world of Lilliputians

Nov 13

QG Seminar
Arthemy Kiselev (JBI Groningen): Cyclic words and their necklace brackets: (non)commutative
calculus for fields over (quasi)crystal tilings of spacetime

Nov 6

QG Seminar
Petr Jizba (Czech Technical U. Prague): Role of informationtheoretic uncertainty relations in quantum theory


 

Outgoing


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


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




