Loops 11-Madrid

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Scientific Program

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Monday, May, 23rd.

8:00 - 10:00 Registration

Opening Ceremony

Room: Central

10:00 - 10:15 Opening Ceremony
10:15 - 10:45 CPAN Outreach Awards
10:45 - 11:15 Coffee Break

Plenary Lectures

Chair: A. Corichi; Room: Central

11:15 - 12:00 H. Sahlmann New insights in quantum geometry.
12:00 - 12:45 M. Varadarajan The Diffeomorphism Constraint operator in Loop Quantum Gravity.
12:45 - 14:45 Lunch Break

Parallel Session A - Shape Dynamics - Phenomenology Derived from Quantum Gravity

Chair: Y. Ma; Room: Central

14:45 - 15:05 T. Koslowski Shape Dynamics.
15:05 - 15:25 H. Gomes Causal structure and more in Shape Dynamics.
15:25 - 15:45 J. Barbour Shape Dynamics and Interpretation of the Hamiltonian Constraint.
15:45 - 16:05 S. Gryb Perturbation theory in shape dynamics.
16:05 - 16:40 Coffee Break
16:40 - 17:00 F. Mercati Shape Dynamics and the Gravity/CFT correspondence.
17:00 - 17:40 L. Freidel The Einstein localisation procedure in relative Locality.
17:40 - 18:00 S. A. Major Quantum Geometry Phenomenology: Angle in an Atom of Space
18:00 - 18:30 Break
18:30 - 18:50 A. Eichhorn Light fermions in asymptotically safe quantum gravity.
18:50 - 19:10 S. Bilson-Thompson Braided topology and the emergence of matter.
19:10 - 19:30 N. Loret Relativity of locality in kappa-Minkowski quantum spacetime.

Parallel Session B - Covariant Loop Quantum Gravity and Spinfoams

Chair: E. Bianchi; Room: M. Ambientales

14:45 - 15:05 W. M. Wieland Complex Ashtekar variables and reality conditions for Holst's action.
15:05 - 15:25 H. Haggard Discreteness of the volume of space from Bohr-Sommerfeld quantization.
15:25 - 15:45 M. Han Quantum Group Spinfoam Model and its Asymptotics.
15:45 - 16:05 F. Hellmann Spin foam amplitude asymptotics.
16:05 - 16:40 Coffee Break
16:40 - 17:00 Y. Ding Graviton propagator from Lorentzian EPRL spin foam.
17:00 - 17:20 C. Perini Renormalization of spinfoam graviton propagator.
17:20 - 17:40 F. Vidotto Results and open issues in Spinfoam Cosmology.
17:40 - 18:00 J. Puchta Shape of a spinfoam encoded in graphs.
18:00 - 18:30 Break
18:30 - 18:50 M. Kisielowski Dynamics of Loop Quantum Gravity encoded in graphs.
18:50 - 19:10 B. Bahr Spin Foam Operators: dual formulation and coarse graining.
19:10 - 19:30 E. Alesci A regularization of the Hamiltonian constraint compatible with the spinfoam dynamics.
19:30 - 19:50 M. Zhang Euclidean graviton 3-point function from spin foam model and perturbation quantum gravity theory.

Tuesday, May, 24th.

Plenary Lectures

Chair: F. Barbero; Room: Central

9:15 - 10:00 D. Oriti Group field theory: recent, current and future developments.
10:00 - 10:45 T. Thiemann New Variables for Classical and Quantum (Super)gravity (LQSG) in all Dimensions.
10:45 - 11:15 Coffee Break
11:15 - 12:00 K. Giesel Dynamics of Loop Quantum Gravity.
12:00 - 12:45 B. Dittrich Towards a large scale limit of (quantum gravity) models: baby spin foams and nets.
12:45 - 14:45 Lunch Break

Parallel Session A - Black Hole Physics - Dynamical Triangulations

Chair: F. Barbero; Room: Central

14:45 - 15:05 D. Pranzetti Distorted isolated horizons and SU(2) black hole entropy.
15:05 - 15:25 E. Bianchi Black hole entropy in loop quantum gravity and the shape of the horizon.
15:25 - 15:45 E. Alesci Particle Creation by Loop Black Holes.
15:45 - 16:05 I. Prémont-Schwarz Creating Quantum Fields in Curved Spacetimes in the Lab.
16:05 - 16:40 Coffee Break
16:40 - 17:00 J. Engle Generic isolated horizons in loop quantum gravity.
17:00 - 17:20 J. Díaz-Polo Black hole entropy in loop quantum gravity.
17:20 - 17:40 J. Ryan Dimensional reduction in group field theory.
17:40 - 18:00 F. Caravelli On recent developments in Quantum Graphity.
18:00 - 18:30 Break
18:30 - 18:50 T. Budd The effective kinetic term in CDT.
18:50 - 19:10 F. Eckert Coarse graining spin foams with finite groups.
19:10 - 19:30 R. Aschheim Spin Foam with topologically encoded tetrad on trivalent spin networks.

Parallel Session B - Covariant Loop Quantum Gravity and Spinfoams

Chair: E. Livine; Room: M. Ambientales

14:45 - 15:05 M. Han Spinfoam Fermions.
15:05 - 15:25 C. Perini Regge gravity from spinfoams.
15:25 - 15:45 M. Dupuis Holomorphic simplicity constraints for spinfoam models.
15:45 - 16:05 M. Vojinovic Finiteness of the EPRL/FK spin foam model.
16:05 - 16:40 Coffee Break
16:40 - 17:00 F. Girelli Diffeomorphisms symmetry in group field theory.
17:00 - 17:20 S. Carrozza Vertex representation of group field theories.
17:20 - 17:40 M. Raasakka Path Integral Quantization on SO(3) via Non-commutative Dual Variables.
17:40 - 18:00 J. A. Zapata Local gauge theory and coarse graining.
18:00 - 18:30 Break
18:30 - 18:50 M. Velázquez Matter fields couplings to BF gravity.
18:50 - 19:10 D. Beke Plebanski gravity without simplicity constraints.
19:10 - 19:30 P. Hoehn Canonical evolution scheme for simplicial gravity.
19:30 - 19:50 M. Smerlak Spinfoams: summing or refining?

Parallel Session C - Foundations of Quantum Gravity

Chair: H. Sahlmann; Room: CFMAC

14:45 - 15:05 D. Benedetti Perturbative quantum gravity with the Immirzi parameter.
15:05 - 15:25 J. Hazboun A systematic construction of curved phase space.
15:25 - 15:45 P. Hoehn An effective approach to the problem of time.
15:45 - 16:05 D. Wise Cartan gauge theory and gravity.
16:05 - 16:40 Coffee Break
16:40 - 17:00 M. Dohse Timelike S-Matrix for Anti-deSitter Spacetime from General Boundary QFT.
17:00 - 17:20 A. Ballesteros 3d gravity and quantum deformations: a Drinfel´d double approach.
17:20 - 17:40 T. Shestakova A view on the problems of Quantum Gravity.
17:40 - 18:30 Break
18:30 - 18:50 D. Pranzetti Canonical quantization of non-commutative holonomies in 2+1 loop quantum gravity.
18:50 - 19:10 Y. Tavakoli Loop quantum effect and the fate of tachyon field collapse.
19:10 - 19:30 M. Montesinos Geometrical meaning of the minimally modified self-dual 2-forms gravity.
19:30 - 19:50 A. Marcianò Towards a spin-foam unification of gravity, Yang-Mills interactions and matter fields.

Wednesday, May, 25th.

Plenary Lectures

Chair: R. Gambini; Room: Central

9:15 - 10:00 J. Lewandowski Recent Advances in the Canonical LQG.
10:00 - 10:45 A. Ashtekar Recent Advances in Loop Quantum Cosmology.
10:45 - 11:15 Coffee Break
11:15 - 12:00 C. Rovelli The covariant version of Loop Quantum Gravity: definition of the theory, results, open problems.

25th Anniversary of LQG Ceremony

Chair: G. Mena Marugán; Room: Central

12:00 - 12:45 25th Anniversary of LQG Ceremony
12:45 - 14:45 Lunch Break
14:45 - 19:00 Free Afternoon
18:30 - 21:00 Public Lecture

Thursday, May, 26th.

Plenary Lectures

Chair: J. Mourao; Room: Central

9:15 - 10:00 R. Loll Nonperturbative Highlights on Quantum Gravity from Causal Dynamical Triangulation.
10:00 - 10:45 L. Smolin The Principle of Relative Locality.
10:45 - 11:15 Coffee Break
11:15 - 12:00 A. Pérez Black Hole Entropy and SU(2) Chern Simons Theory.
12:00 - 12:45 J. Pullin Quantum scalar field in loop quantum gravity with spherical symmetry.
12:45 - 14:45 Lunch Break

Parallel Session A - Loop Quantum Cosmology

Chair: L.J. Garay; Room: Central

14:45 - 15:05 W. Kaminski Schroedinger Picture vs Group Averaging in LQC.
15:05 - 15:25 M. Martin-Benito Loop quantum cosmology of the Bianchi I model: complete quantization.
15:25 - 15:45 A. Karami Exploring quantization ambiguities in loop quantum cosmology.
15:45 - 16:05 D. Martín de Blas Inhomogenous Loop Quantum Cosmology with Matter.
16:05 - 16:40 Coffee Break
16:40 - 17:00 F. Hinterleitner PP-waves and Loop Quantization.
17:00 - 17:20 M. Campiglia Sum over histories in LQC.
17:20 - 17:40 E. Wilson-Ewing Local spinfoam expansion in loop quantum cosmology.
17:40 - 18:00 D. Craig Consistent Probabilities in Quantum Cosmology.
18:00 - 18:20 S. Gielen Two-point functions in (loop) quantum cosmology.

Parallel Session B - Hamiltonian Loop Quantum Gravity

Chair: J.A. Zapata; Room: M. Ambientales

14:45 - 15:05 X. Zhang Loop quantum of Brans-Dicke theory.
15:05 - 15:25 O. Piguet Complete loop quantization of a dimension 1+2 Lorentzian gravity theory.
15:25 - 15:45 A. Thurn Gauge Unfixing in Higher Dimensional General Relativity.
15:45 - 16:05 N. Bodendorfer On the implementation of the canonical quadratic simplicity constraint.
16:05 - 16:40 Coffee Break
16:40 - 17:00 R. Gambini Real deformations of loop quantum gravity.
17:00 - 17:20 M. Geiller A new look at Lorentz-covariant canonical loop quantum gravity.
17:20 - 17:40 S. Sengupta Topological parameters in the theory of gravity.
17:40 - 18:00 J. D. Reyes Boundary Terms in Spherically Symmetric Loop Quantum Gravity.
21:00 - 24:00 Banquet

Friday, May, 27th.

Plenary Lectures

Chair: J. Pullin; Room: Central

9:15 - 10:00 A. Corichi The semiclassical limit of Loop Quantum Cosmology.
10:00 - 10:45 M. Bojowald How to rule out loop quantum gravity.
10:45 - 11:15 Coffee Break
11:15 - 12:00 T. Pawlowski Quantum dynamics and semiclassicality in LQC.
12:00 - 12:45 P. Singh Physics of singularity resolution in LQC.
12:45 - 14:45 Lunch Break

Parallel Session A - Loop Quantum Cosmology

Chair: T. Pawlowski; Room: Central

14:45 - 15:05 J. Olmedo Inflation and inhomogeneities: a hybrid quantization.
15:05 - 15:25 D. Sloan LQC Inflation and WMAP 7 Year Data.
15:25 - 15:45 I. Agulló Observational Signatures of Loop Quantum Cosmology.
15:45 - 16:05 A. Barrau Observational features of Loop Quantum Cosmology.
16:05 - 16:40 Coffee Break
16:40 - 17:00 G. Calcagni Observational constraints on loop quantum cosmology.
17:00 - 17:20 F. Vidotto Singularity resolution in Loop Quantum Cosmology.
17:20 - 17:40 D. Brizuela Quantum back-reaction in a universe with positive cosmological constant.
17:40 - 18:00 G. J. Olmo Palatini approach to bouncing cosmologies and DSR-like effects.
18:00 - 18:30 Break
18:30 - 18:50 M. Artymowski Vector fields and Loop Quantum Cosmology.
18:50 - 19:10 E. Montoya Effective Dynamics in Bianchi Type II Loop Quantum Cosmology.
19:10 - 19:30 S. Fani Emergence of non-gravitational fields in dimensional reduction of 4d spin foam models.

Parallel Session B - Hamiltonian Loop Quantum Gravity

Chair: K. Giesel; Room: M. Ambientales

14:45 - 15:05 N. Bodendorfer Towards Loop Quantum Supergravity: Rarita-Schwinger Sector.
15:05 - 15:25 A. Thurn Towards Loop Quantum Supergravity: p-Form Fields.
15:25 - 15:45 E. Livine Effective Classical Dynamics for Loop Quantum Gravity.
15:45 - 16:05 J. Tambornino Holomorphic representation for spin networks and the continuum limit.
16:05 - 16:40 Coffee Break
16:40 - 17:00 J. Ziprick Geometry of Loop Gravity.
17:00 - 17:20 I. Garay Dynamics for a simple graph using the U(N) framework for loop quantum gravity.
17:20 - 17:40 C. Fleischhack Ashtekar variables in differential geometry.
17:40 - 18:00 F. Cianfrani SU(2) gauge symmetry in gravity phase space.
18:00 - 18:30 Break
18:30 - 18:50 E. Magliaro Coherent states for FLRW space-times in loop quantum gravity.
18:50 - 19:10 J. Hackett Wrestling with the s-knots.
19:10 - 19:30 S. Steinhaus Perfect discretization of path integrals.
19:30 - 19:50 R. Banisch Coarse-Graining Parameterized Field Theory.

Saturday, May, 28th.

Plenary Lectures

Chair: C. Rovelli; Room: Central

9:15 - 10:00 Y. Ma Extension of Loop Quantum Gravity to Metric Theories beyond General Relativity.
10:00 - 10:45 J. Magueijo Cosmology and quantum gravity: a chiral signature?
10:45 - 12:45 Round Table & Final Discussion
Last Updated on Monday, 16 January 2012 15:52  

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