Isolated horizons and near horizon geometries, loop quantum gravity,
CR structures and spacetimes, Einstein equations and the twistor equation

Conference on the occasion of Jerzy Lewandowski's 60th birthday (Jurekfest)

September 16-20, 2019
Faculty of Physics, University of Warsaw, Warszawa, Poland

photo by Jing Li 

 

Invited speakers:

Robert Alicki - Superradiance of quantum fields: From dry friction to black hole radiation
Abhay Ashtekar - Compact binary coalescences and the BMS group
Mehdi Assanioussi - Graph coherent states in loop quantum gravity
Benjamin Bahr - Coarse graining in spin foam models
Fernando Barbero - The geometric exegesis of the Dirac algorithm
Ingemar Bengtsson - A discrete structure in Hilbert space
Norbert Bodendorfer - Quantum corrected black hole spacetimes from effective models inspired by LQG
Piotr Chruściel - Positivity of energy for asymptotically hyperbolic manifolds
Andrea Dapor - Effective dynamics of loop quantum gravity: Bouncing black holes and gravitational phonons
Denis Dobkowski-Ryłko - Isolated horizons, near horizon geometries and the Petrov type D equation
Maciej Dunajski - Conformally isometric embeddings and Hawking temperature
Jonathan Engle - Uniqueness of kinematics and minimal dynamics in loop quantum cosmology
Christian Fleischhack - Uniqueness
Kristina Giesel - Reduced loop quantum gravity with scalar fields
Joshua Goldberg - Memoir
Jacek Jezierski - Geometry of null hypersurfaces
Jerzy Jurkiewicz - Definition of holonomies in the model of causal dynamical triangulations
Jerzy Kijowski - Essence of gravity theory and Einstein's attempts to unify it with electromagnetism
Marcin Kisielowski - On the relation between loop quantum gravity and spin-foam models
John Klauder - The real quantum gravity
Mikołaj Korzyński - Probing spacetime curvature using optical observations
Ryszard P. Kostecki - Geometrisation of quantum theory beyond pure states and Hilbert spaces
Jerzy Kowalski-Glikman - Semiclassical quantum gravity and quantum deformed effective theories
Zygmunt Lalak - Opening
Felipe Leitner - About the Kohn-Dirac operator in CR geometry
Chun-Yen Lin - Elementary relational observables with quantum reference frames
Jorma Louko - Second law protection theorem for Lorentz-violating black holes
Yongge Ma - Isolated horizon entropy in loop quantum gravity
Edward Malec - Stationary tori in general-relativistic hydrodynamics: recent developments, their applications, open questions
Lionel Mason - Gravitational scattering on plane waves and the double copy
Guillermo Mena Marugán - Primordial fluctuations in loop quantum cosmology
José Mourão - Non-uniqueness of quantization, complex time evolution and generalized coherent state transforms
Ezra T. Newman - Classical mechanics directly from classical GR
Paweł Nurowski - Twistorial description of rolling bodies
Tomasz Pawłowski - On loop quantum universe dynamics
Sir Roger Penrose - The palatial twistor approach to Einstein lambda vacuums
Jorge Pullin - Loop quantum gravity with spherical symmetry
Carlo Rovelli - White holes
Hanno Sahlmann - Walking in Jurek's garden
George A.J. Sparling - The interplay of symplectic and projective geometry in the context of plane wave spacetimes
Simone Speziale - The asymptotic analysis of the lorentzian KKL vertex of arbitrary valence
Jacek Tafel - The Penrose inequality for the perturbed Schwarzschild initial data
Thomas Thiemann - Quantum cosmological backreactions


Posters:

Krzysztof Andrzejewski - Charges of conformal symmetries and their applications in plane gravitational waves
Paweł Ciosmak - Super quantum Airy structures
Maciej Kolanowski - (Anti-)evaporation of Schwarzschild-de Sitter black holes revisited
Colin MacLaurin - Cosmic cable
Lukáš Polcar - Lie series method in a perturbed black hole spacetime
Carlos I. Pérez - The loop equations of tensor field theory as Tutte's equations in higher dimensions






 

Conference poster:

Ready-to-print version (A2 size in PNG file).

Schedule and programme (last update: 18.09.19!):

Full programme in PDF (including the book of abstracts).


Monday 16.09 Tuesday 17.09 Wednesday 18.09 Thursday 19.09 Friday 20.09
8:30-8:45 Registration



8:45-9:00
LalakOpening
9:00-9:40
AshtekarCompact binary coalescences and the BMS group
ThiemannQuantum cosmological backreactions
MaIsolated horizon entropy in loop quantum gravity
PenroseThe palatial twistor approach to Einstein lambda vacuums
Mena MarugánPrimordial fluctuations in loop quantum cosmology
9:40-10:20
ChruścielPositivity of energy for asymptotically hyperbolic manifolds
BarberoThe geometric exegesis of the Dirac algorithm
RovelliWhite holes
SparlingThe interplay of symplectic and projective geometry in the context of plane wave spacetimes
PullinLoop quantum gravity with spherical symmetry
10:20-10:50 Coffee Break Coffee Break Coffee Break Coffee Break Coffee Break
10:50-11:30
LeitnerAbout the Kohn-Dirac operator in CR geometry
SahlmannWalking in Jurek's garden
KlauderThe real quantum gravity
AssanioussiGraph coherent states in loop quantum gravity
JurkiewiczDefinition of holonomies in the model of causal dynamical triangulations
11:30-12:10
NewmanClassical mechanics directly from classical GR
GieselReduced loop quantum gravity with scalar fields
LoukoSecond law protection theorem for Lorentz-violating black holes
DunajskiConformally isometric embeddings and Hawking temperature
MalecStationary tori in general-relativistic hydrodynamics: recent developments, their applications, open questions
12:10-14:00 Lunch Break Lunch Break Lunch Break Lunch Break Lunch Break
14:00-14:40
TafelThe Penrose inequality for the perturbed Schwarzschild initial data
MourãoNon-uniqueness of quantization, complex time evolution and generalized coherent state transforms
BengtssonA discrete structure in Hilbert space
NurowskiTwistorial description of rolling bodies
DaporEffective dynamics of loop quantum gravity: Bouncing black holes and gravitational phonons
14:40-15:20
KijowskiEssence of gravity theory and Einstein's attempts to unify it with electromagnetism
PawłowskiOn loop quantum universe dynamics
AlickiSuperradiance of quantum fields: From dry friction to black hole radiation
Dobkowski-RyłkoIsolated horizons, near horizon geometries and the Petrov type D equation
BodendorferQuantum corrected black hole spacetimes from effective models inspired by LQG
15:20-15:50 Coffee Break Coffee Break Coffee Break Coffee Break Coffee Break
15:50-16:30
Kowalski-GlikmanSemiclassical quantum gravity and quantum deformed effective theories
FleischhackUniqueness
BahrCoarse graining in spin foam models
KosteckiGeometrisation of quantum theory beyond pure states and Hilbert spaces
16:30-17:10
JezierskiGeometry of null hypersurfaces
EngleUniqueness of kinematics and minimal dynamics in loop quantum cosmology
KisielowskiOn the relation between loop quantum gravity and spin-foam models
MasonGravitational scattering on plane waves and the double copy

17:10-17:50
KorzyńskiProbing spacetime curvature using optical observations
LinElementary relational observables with quantum reference frames
SpezialeThe asymptotic analysis of the lorentzian KKL vertex of arbitrary valence

Evening


Dinner
GoldbergMemoir



Conference venue:

room #0.06, Faculty of Physics, University of Warsaw
address: Pasteura 5 street, Warszawa, Poland.

(See jakdojade.pl/warszawa for the best up-to-date public transportation planner for Warszawa.)


Online registration:

Registration is was open since May 24, 20:00 CET until August 25 September 7, anywhere on Earth.

If you are neither an invited speaker nor an employee/student of University of Warsaw, then you should perform a bank transfer of the registration fee at the account of University of Warsaw, accordingly to the registration option you have chosen in the registration form. Otherwise, your conference fee is waived (but not the cost of the conference dinner, if you have chosen to participate in it).

Transfer Title: Jurekfest - YourNameAndSurname
Account Holder: Uniwersytet Warszawski, ul. Krakowskie Przedmiescie 26/28, PL-00-927 Warszawa
Bank Name: Bank Millennium SA, Al. Jerozolimskie 123A, PL-02-017 Warszawa
IBAN Code: PL 77 1160 2202 0000 0000 6084 9264
Swift Code: BIGBPLPW
Cost:

  • Early registration (< Aug 10, 2019) without conference dinner: 110 EUR (or 470 PLN)
  • Early registration (< Aug 10, 2019) with conference dinner: 160 EUR (or 680 PLN)
  • Late registration (>= Aug 10, 2019) without conference dinner: 130 EUR (or 555 PLN)
  • Late registration (>= Aug 10, 2019) with conference dinner: 180 EUR (or 770 PLN)
  • Registration of an invited speaker or an employee/student of University of Warsaw for the conference dinner: 50 EUR (or 210 PLN)


Organising committee:

Denis Dobkowski-Ryłko (denis.dobkowski-rylko at fuw.edu.pl)
Wojciech Kamiński (wkaminsk at fuw.edu.pl)
Ryszard Paweł Kostecki (kostecki at fuw.edu.pl)
Andrzej Okołów (oko at fuw.edu.pl)
Adam Szereszewski (aszer at fuw.edu.pl)


Organising institution:




Financial support:




last update of this page: September 18, 2019; 23:40 CET.