**The 14th International Conference on Gravitation, Astrophysics and Cosmology (ICGAC14)**

**17 – 21 August 2020, National Central University, Jhongli, Taiwan**

**EProceedings**

**Day 1: 17 August (Monday)**

**Section 1 : [video]**

- Michael Landry – “Colliding black holes and neutron stars: latest results from LIGO and Virgo”
**[slides]** - Nobuyuki Kanda – “Status of KAGRA”
**[slides]** - Wei-Tou Ni – “Gravitational Wave Detection in Space: the Present Outlook”
**[slides]**

**Section 2 : [video]**

- Ziren Luo – “A brief introduction to Taiji and Taiji-1 satellite”
- Yi-Ming Hu – “Science with the TianQin observatory”
- Eduard Larranaga – “Waveform produced by a particle coupled with a scalar field plunging into a static spherically symmetric black hole”
**[slides]**

**Section 3 : [video]**

- Kei-ichi Maeda – “Hierarchical Triplet System and Gravitational Waves”
**[slides]** - Hayato Motohashi – “Primordial black holes from canonical single field inflation”
**[slides]** - Xian Gao – “Propagation of the gravitational waves in a cosmological background”
**[slides]**

**Section 4 : [video]**

- Chan Park – “Observations of Gravitational Waves by Gauge-Invariant Measures of Light”
- Shaoqi Hou – “Gravitational memory effects and Bondi-Metzner-Sachs symmetries in scalar-tensor theories”
**[slides]** - Dong-Hoon Kim – “Light Perturbed by Gravitational Waves”

**Section 5 : [video]**

- Shi Pi – “An analytical formula for induced gravitational waves with a finite-width peak”
- Cosimo Bambi – “Testing general relativity with black holes using X-ray observations”
**[slides]** - Ignazio Ciufolini – “Tests of General Relativity and frame-dragging using the LARES and LARES 2 satellites”

**Day 2 : 18 August (Tuesday)**

**Section 1 : [video]**

- Ling Jun Wang – “Unification of Gravitational and Electromagnetic Fields”
**[slides]** - David Kubiznak – “Is there a Gauss-Bonnet gravity in four dimensions?”
**[slides]** - Bogeun Gwak – “Kerr-Sen Black Hole and Weak Cosmic Censorship Conjecture”

**Section 2 : [video]**

- Dong-han Yeom – “Before the Page time: maximum entanglements or the return of the monster?”
**[slides]** - Shih-Yuin Lin – “A nearly black star may look like a 2D membrane”
**[slides]** - Shinji Mukohyama – “Black holes in scalar-tensor theory”
**[slides]**

**Section 3 : [video]**

- Nobuyuki Sakai – “Exotic Gravitating Objects”
**[slides]** - Shoichi Kawamoto – “Charged rotating BTZ black holes in noncommutative space and torsion gravity”
**[slides]** - Michael Good – “Radiation from an inertial mirror horizon”

**Section 4 : [video]**

- Che-Yu Chen – “Regular black hole interior spacetime supported by three-form field”
**[slides]** - Keiko Nagao – “Directional direct detection of light dark matter”
**[slides]** - Naoya Kitajima – “Primordial Black Holes from QCD Axion Bubbles”

**Section 5 : [video]**

- Tetsutaro Higaki – “Note on a solution to domain wall problem with the Lazarides-Shafi mechanism in axion dark matter models”
**[slides]** - Sungwook E Hong – “Revealing the Local Cosmic Web by Deep Learning”
**[slides]**

**Day 3 : 19 August (Wednesday)**

**Section 1 : [video]**

- Vesselin Gueorguiev – “The Scale Invariant Vacuum Theory as viable Cosmology Model”
**[slides]** - Angel Rincon – “Scale-dependent black holes”
**[slides]** *****Yun Hao – “Motions of Light Rays and Galaxies in Cosmic Scales with the Cosmological Principle”*****Yusuke Mikura – “Conformal inflation in the metric-affine geometry”

**Section 2 : [video]**

*****Qi Li – “The Effective Potential Originating from Swampland and the Nontrivial Brans-Dicke Coupling”*****Keisuke Nakashi – “Observability of the innermost stable circular orbit in a near-extremal Kerr black hole”**[slides]*******Yasutaka Koga – “Photon surfaces as pure tension shells: Uniqueness of thin shell wormholes”**[slides]*******Colin MacLaurin – “3-Volumes of a black hole”**[slides]*******Yawar Hussain Khan – “Culetu regular black hole with asymptotically Minkowski core, its remnants and stability”**[slides]**

**Section 3 : [video]**

- Muhammad Sharif – “Effects of Charge on Gravastars in Modified Theory of Gravitation”
- James Nester – “Quasi-local gravitational energy”
**[slides]** - Sinya Aoki – “Local energy density and conserved energy in general relativity”
**[slides]**

**Section 4 : [video]**

- Dmitry Gal’tsov – “Successive dualities, NEC violation and singularities”
**[slides]** - Sebastian Bahamonde – “Solar System Tests in Modified Teleparallel Gravity”
- Konstantinos Dialektopoulos – “Can Horndeski gravity be recast in the Teleparallel framework?”

**Section 5 : [video]**

- Takafumi Kokubu – “High energy collision without fine tuning: Acceleration and multiple collisions of shells in a bound system”
**[slides]** - Pradyumn Sahoo – “A non-singular bounce in f(R,T) gravitation”
**[slides]** - Jackson Levi Said – “Teleparallel Extensions to Cosmological Models”
**[slides]**

**Day 4 : 20 August (Thursday)**

**Section 1 : [video]**

- Jong-Ping Hsu – “Correlations of Hubble’s Law and the Future of the Universe Based on the Strong Cosmological Principle and Yang-Mills Gravity”
**[slides]** - Nikodem Poplawski – “Big Bounce and inflation from spin and torsion”
**[slides]** - Sujoy Modak – “New geometric and field theoretic aspects of radiation dominated early universe”
**[slides]**

**Section 2 : [video]**

- Naritaka Oshita – “Hawking-Moss transition catalyzed by a black hole”
- Yuichiro Tada – “Manifestly covariant theory of stochastic inflation”
**[slides]** - Shun-Pei Miao – “Fine Tuning Problems with Cosmological Coleman-Weinberg Potentials”
**[slides]**

**Section 3 : [video]**

- Xun Xue – “Spatial Curvature and Large Scale Lorentz Violation”
- Chopin Soo – “Cosmic time and reduced phase space of General Relativity”
**[slides]** - Hoi Lai Yu – “Intrinsic Time Quantum Gravity”
**[slides]**

**Section 4 : [video]**

*****Hsu-Wen Chiang – “Generic 3-species model for unitary black hole evolution”*****Yu-Hsien Kung – “Modification to the Hawking temperature of a dynamical black hole by a flow-induced supertranslation”*****Igor Bogush – “Kaluza-Klein dyons: regular and singular”**[slides]*******Sung Mook Lee – “Primordial Black Holes in Higgs-R^2 Inflation as a Whole Dark Matter”*****Joseph Gais – “Echoes of the Gravitational Atom: A Novel Probe of the Scalar Ultralight Boson”*****Mark Ho-Yeuk Cheung – “Ringdown Spectroscopy of Rotating Black Holes Pierced by Cosmic Strings”**[slides]**

**Section 5 : [video]**

*****Alberto Mangiagli – “Merger rate of stellar black hole binaries above the pair-instability mass gap”**[slides]*******Zhi-Bang Yao – “Spatially covariant gravity theories with two tensorial degrees of freedom”**[slides]*******Shota Yanai – “Compact, charged boson-stars, -shells in the CP^N gravitating nonlinear sigma model”*****Hrishikesh Chakrabarty – “Black hole bounce and birth of a baby universe”**[slides]*******Jinzhao Wang – “Outer entropy = Bartnik-Bray quasilocal mass”**[slides]*******Yiyi Zhu – “The Role of Non-Relativistic Neutrinos in Dark Matter”

**Day5 :** **21 August (Friday)**

**Section 1 : [video]**

- Marcelo Rubio – “A numerical scheme for solving the relativistic dissipative fluid equations”
- Mitsutoshi Fujita – “Kibble-Zurek Scaling in a Holographic p-wave Superconductor”
**[slides]** - Robert Mann – “Holographic Complexity and Thermodynamic Volume”
**[slides]**

**Section 2 : [video]**

- Jia-Rui Sun – “On the emergence of gravitational dynamics from tensor networks”
- Vishnu Rajagopal – “Kappa deformed oscillator algebra and Unruh effect”
- Chiranjeeb Singha – “Hamiltonian-based derivation of the Hawking effect”
**[slides]**

**Section 3 : [video]**

- Homa Shababi – “The Minimal Length Uncertainty and the Tsallis statistical mechanics”
**[slides]** - Hiroyuki Takata – “Fronsdal like Lagrangian for continuous spin by BRST method”
**[slides]** - Michael Ivanov – “Different expectations about quantum gravity”
**[slides]**

**Section 4 : [video]**

- Sung-Won Kim – “Creation and Annihilation of Wormhole in Matter-Dark Energy Universe”
- Gregory Vereshchagin – “Diffusive photospheres and thermal emission in early afterglows of gamma-ray bursts”
**[slides]** - Xiaoyi Xie – “Instabilities in neutron-star post-merger remnants”
**[slides]**

**Section 5 : [video]**