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Spring workshop on gravity and cosmology

25–29 May 2020
Jagiellonian University
Europe/Warsaw timezone

Session

session II

26 May 2020, 10:00
Jagiellonian University

Jagiellonian University

Presentation materials

There are no materials yet.

  1. 21. A consistent theory of D -> 4 Einstein-Gauss-Bonnet gravity
    Prof. Shinji Mukohyama (YITP, Kyoto University)
    26/05/2020, 10:00

    TBA

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  2. 22. Quantum Ostrogradsky theorem
    Hayato Motohashi
    26/05/2020, 10:50
  3. 35. Gravitational Waves from Cosmological B-L Breaking
    Kai Schmitz
    26/05/2020, 11:45

    The type-I seesaw mechanism crucially depends on the presence of right-handed neutrinos (RHNs) with large Majorana masses. These heavy RHN neutrinos are, however, notoriously hard to produce in terrestrial experiments, which impedes their experimental discovery. In the present talk, I will therefore present a novel, cosmological window onto the seesaw mechanism: the gravitational-wave (GW)...

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  4. 24. Ongoing Efforts to Constrain Lorentz Symmetry Violation in Gravity
    Nils A. Nilsson
    26/05/2020, 12:35
  5. 17. CDT, a theory of quantum geometry.
    Prof. Jan Ambjørn (Bohr Ins.)
    26/05/2020, 14:00

    Causal Dynamical Triangulations (CDT) is a lattice model which provides a non-perturbative, background independent formulation of four-dimensional quantum gravity. It provides an emergent background geometry and one can study the quantum fluctuations around this background geometry. The model has second order phase transition lines in the bare coupling constants. These transition lines may be...

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  6. 19. Loop-based observables in 4D CDT
    Zbigniew Drogosz
    26/05/2020, 14:50
  7. 18. Cosmic Fibers and the parametrization of time in CDT quantum gravity
    Daniel Németh
    26/05/2020, 15:45
  8. 20. Spectral Analysis of Causal Dynamical Triangulations via Finite Element Methods
    Giuseppe Clemente
    26/05/2020, 16:10

    I will describe the current state of research on the application of spectral methods to the
    Quantum Gravity approach known as Causal Dynamical Triangulations (CDT).
    Firstly, I will give an overview of the class of analysis methods based on graph theory
    applied to the dual graphs of simplicial manifolds, arguing why they are inadequate, in some regimes,
    to capture distance information,...

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  9. 54. 4-D Gauss Bonnet from an Amplitudes Perspective
    Laura Johnson
    26/05/2020, 16:35
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