## Program

### 3 December

chair | Shinji Tsujikawa | |

11:30 | N. Sugiyama | opening |

11:40 | T. Tanaka (Key) | Testing gravity theory using gravitational waves |

12:20 | S. Kuroyanagi (inv) | Searching for gravitational waves with pulsars |

12:50 | lunch | |

chair | Jinn-Ouk Gong | |

14:00 | S. Mukohyama (inv) | Black holes in scalar-tensor theory |

14:30 | K. Aoki (inv) | Ghostfree quadratic curvature theories with massive spin-2 and spin-0 particles |

15:00 | A. Iyonaga (oral) | Extended Cuscuton as Dark Energy |

15:15 | coffee | |

chair | Atsushi J. Nishizawa | |

15:45 | H. Miyatake (inv) | Weak Lensing Cosmology from Subaru Hyper Suprime-Cam First-Year Data |

16:15 | F. Shi (inv) | Cosmology constraint from cross-correlation between DESI galaxies and Tianlai 21cm |

16:45 | C. Sabiu (inv) | Deep Learning the Large Scale Structure |

17:00 | M. Minoguchi (oral) | Dynamical evolution of voids with surrounding gravitational tidal field |

17:15 | S. Sridhar (oral) | Cosmic distance constraints using BAO - From spectroscopic to photometric catalogues |

17:30 | D. Parkinson (inv) | Cosmology with large-area extragalactic radio surveys |

### 4 December

chair | Kenji Kadota | |

9:30 | J. Soda (Key) | Effective Field Theory of Anisotropic Inflation |

10:10 | Jinn-Ouk Gong (inv) | Quantum aspects of non-linear inflationary tensor perturbations |

10:40 | Takeshi Kobayashi (oral) | Inflaxion Dark Matter |

10:55 | coffee | |

chair | David Parkinson | |

11:15 | M. J. Jee (Key) | TBA |

11:55 | K. Kadota (inv) | the radio telescope probes on the axion-like particles |

12:25 | Zong-Hong Zhu (inv) | Strong lensing of gravitational waves and its application to cosmology |

12:55 | lunch | |

chair | Shu'ichiro Yokoyama | |

14:00 | T. Chiba (inv) | Conformal and DisformalÂ Invariance of Cosmological Observables |

14:30 | N. Tanahashi (inv) | Invertible transformation in scalar-tensor theories and wave propagation |

15:00 | A. Naruko (inv) | Metric transformation and its applications to cosmology |

15:30 | J. Misfud (inv) | Cosmological tests of the equivalence principle in the dark sector |

16:00 | coffee | |

chair | Shin'ichi Nojiri | |

16:20 | Tsutomu Kobayashi (inv) | Vainshtein mechanism and its breaking in scalar-tensor theories |

16:50 | R. Kase (inv) | Neutron stars in f(R) gravity and scalar-tensor theories |

17:20 | S. Nakamura (inv) | Coupled vector dark energy |

17:40 | S. Arai (oral) | Observational predictions of the viable generalized scalar-tensor theory |

17:55 | M. Yashiki (oral) | Unified Models of Inflation and Dark Energy in f(R) Gravity: constraints from solar system experiments |

18:10 | S. Tsujikawa (oral) | Weak cosmic growth in coupled dark enegy with a Lagrangian formulation |

19:00 | Banquet |

### 5 December

chair | Arman Shafieloo | |

9:30 | L. Amendola (Key) | Primordial dark matter halos |

10:10 | J. Asorey (inv) | H1R4: Mock 21cm intensity mapping maps for cross-correlations with optical surveys |

10:40 | H. Koo (inv) | Model-independent constraints on the light curve parameters and reconstructions of the expansion history of the Universe from Type Ia supernovae |

11:10 | break | |

chair | Hironao Miyatake | |

11:30 | R. Keeley (inv) | Transitional Dark Energy ? A solution to the H0 tension |

12:00 | X. Li (oral) | Resolving H0 tension with DE models beyond LCDM model |

12:15 | K. Ahn (inv) | Interpreting EDGES observation with variance in reionization models |

12:45 | lunch | |

chair | Kyungjin Ahn | |

14:00 | A. Taruya (inv) | Large-scale intrinsic alignments of cosmic density and velocity fields as cosmological probe |

14:30 | B. L'Hulillier (inv) | Falsifying the concordance model of cosmology with the large-scale structure |

15:00 | A. De Felice (inv) | The Cosmology of generalized modified gravity models |

15:30 | S. Hirano (oral) | Non-linear corrections of large scale structure in Degenerate Higher-Order Scalar-Tensor theories |

15:45 | coffee | |

chair | Kiyotomo Ichiki | |

16:00 | R. Saito (inv) | Cosmic microwave background anisotropies beyond linear order: curve-of-sight approach |

16:30 | S. Bag (inv) | Studying the morphology of the HI field during reionization using Minkowski functionals, Shapefinders and percolation analysis |

17:00 | S. Appleby (inv) | Cosmological Parameter Estimation from Topological Statistics |

17:30 | close: A. Shafieloo |