The 9th KIAS Workshop on

Cosmology and Structure Formation

 

November 2nd-6th, 2020

 

 

Program Home > Program

(1) The schedule is presented in the Korean Standard Time (GMT+9).
Please make sure that your presentation time is possible in your local time. Please contact us (cosmology2020[at]kias.re.kr) if you have a schedule conflict.

 

(2) We have a 10 minutes Q&A and discussion time at the end of each session.
This will be used to answer questions posted to the texting room of our ZOOM meeting room. We encourage attendees to use the texting function whenever you have questions during talks.

 

(3) The talks colored by blue are those linked to their talk materials (PDF).  

 

  11/2 (Mon)
9:10 - 9:20 Welcome Remark (Juhan Kim@KIAS)
  Morning Session 1: GW & Compact Objects (session chair: Maurice VanPutten)
9:20 - 9:45 A gravitational-wave limit on the Chandrasekhar mass of dark matter (Donghui Jeong@PSU)
9:45 - 10:10 Dynamics of Compact Binaries and Gravitational Waves (Hyung Mok Lee@SNU & KASI)
10:10 - 10:35 Unveiling the presence of an inner binary black hole from the tertiary orbiting star (Yasushi Suto@Tokyo)
10:35 - 10:50 Q&A and discussion
10:50 - 11:05 Coffee Break
  Morning Session 2: Cosmology (session chair: Stephen Appleby)
11:05 - 11:30 Status of the Standard Model of Cosmology (Arman Shafieloo@KASI)
11:30 - 11:55 On the ontological status of the cosmological principle (Jai-chan Hwang@KNU)
11:55 - 12:20 Isotropy of random fields with application to CMB lensing (Pravabati Chingangbam@IIA)
12:20 - 12:35 Q&A and discussion
12:35 - 12:45 Excursion Video 1 (Intoduction of KIAS)
12:45 - 14:10 Lunch
  Afternoon Session 1: Cosmology (session chair: Pravabati Chingangbam)
14:10 - 14:35 Intrinsic alignment of galaxy shapes as new dynamic and geometric probes of cosmology (Teppei Okumura@ASIAA)
14:35 - 15:00 Robustness of the pairwise kinematic Sunyaev-Zeldovich power spectrum shape as a cosmological gravity probe (Yi Zheng@Sun Yat-Sen)
15:00 - 15:15 One-point probability distribution function (PDF) of density fluctuations from spherical collapse (Sharvari Nadkarni-Ghosh@IIT Kanpur)
15:15 - 15:30 Star formation beyond z=0 and its role in the multiverse (Boon Kiat Oh@SNU)
15:30 - 15:45 Q&A and discussion
15:45 - 16:00 Coffee Break
  Afternoon Session 2: Poster Talks (5min presentation + 1min Q&A)
16:00 - 16:06 Dark energy-independent constraints on curvature from upcoming surveys (Yufei Zhang@USTC)
16:06 - 16:12 Cosmology with Type Ia supernovae: Searching for systematics and model independent reconstructions (Hanwool Koo@KASI)
16:12 - 16:18 Observational constraints on the possibility that Sterile Neutrinos cause Anti-Gravity (Priyamvada Kameshwar@University of Delhi)
16:18 - 16:24 Nonclassicality of Two-mode Squeezed Vacuum state of the Oscillating Quantised Scalar field in the FRW Universe (Meghna Rathore@MNIT Jaipur)
16:24 - 16:30 A study on the origins of dark matter through white holes and primordial black holes (Bhuvaneshwari Kashi@CVR College of Engineering)
16:30 - 16:36 The Exact Solution Approach to Warm Inflation (Oem Trivedi@Ahmedabad University)
16:36 - 16:42 A new measurement of the Hubble constant using surface brightness fluctuations for SNe Ia calibration (Nandita Khetan@Gran Sasso Science Institute)
16:42 - 16:48 Late time approaches to the H0 tension and degeneracy of cosmological parameters (Leandros Perivolaropoulos@University of Ioannina)
   
  Afternoon Session 3: Cosmology (session chair: Cristiano Sabiu)
16:50 - 17:15 Cosmological Constraints from the Tomographic Alcock-Paczynski Test (Xiao-Dong Li@Sun Yat-Sen)
17:15 - 17:40 Topology and Geometry: Application to cosmological datasets (Pratyush Pranav@ENS Lyon)
17:40 - 17:55 When do cosmic peaks, filaments, or walls merge? A theory of critical events in a multiscale landscape (Corentin Cadiou@University College London (UCL)
17:55 - 18:10 Q&A and discussion

 

 

 

  11/3 (Tue)
  Morning Session 1: Dark Matter (session chair: Donghui Jeong)
9:10 - 9:25 Cosmology with Fuzzy Dark Matter (Xinyu Li@CITA)
9:25 - 9:40 The radio telescope probes on the light dark matter (Kenji Kadota@IBS)
9:40 - 9:55 A cuspy dark matter halo (Shi Yong@Nanjing University)
9:55 - 10:10 Self-Interacting Dark Matter and the Origin of NGC1052-DF2 and -DF4 (Daneng Yang@Tsinghua University)
10:10 - 10:25 Inelastic self-interacting dark matter on the dark matter structure of a Milky Way halo (Eddie Chua@Institute of High Performance Computing)
10:25 - 10:40 Q&A and discussion
   
  Morning Session 2: Poster Talks (5min presentation + 1min Q&A)
10:40 - 10:46 A Different Cosmology - Thoughts from Outside the Box (John Botke)
10:46 - 10:52 Universe in a black hole from spin and torsion (Nikodem Poplawski@University of New Haven)
10:52 - 10:58 Duel of cosmological screening lengths (Maxim Eingorn@North Carolina Central University)
10:58 - 11:04 Power spectrum of scalar and tensor perturbations in cuscuton bounce (Jungjoon Kim@University of Waterloo)
11:04 - 11:10 Generating Catalogues of Lensed Galaxies to Test Weak Lensing Pipelines (Jacob Shpiece@Drexel University)
11:10 - 11:25 Coffee Break
  Morning Session 3: Cosmology (session chair: Teppei Okumura)
11:25 - 11:50 Model-independent tests of gravity with the large-scale structure (Benjamin L'Huillier@Yonsei)
11:50 - 12:15 Deep learning application for line intensity mapping (Kana Moriwaki@Tokyo)
12:15 - 12:30 Revealing the Local Cosmic Web from Galaxy Positions and Velocities by Deep Learning (Sungwook E. Hong@KASI)
12:30 - 12:45 Q&A and discussion
12:45 - 12:55 Excursion video 2 (고인돌: Dolmens in Korea)
12:55 - 14:20 Lunch
  Afternoon Session1: Standard Candles and Sirens (session chair: Arman Shafieloo)
14:20 - 14:45 The Hubble Tension? (Myung Gyoon Lee@SNU)
14:45 - 15:10 Further evidence for significant luminosity evolution in supernova cosmology (Young-Wook Lee@Yonsei)
15:10 - 15:35 Large Scale Structure impact on Standard Candles and Sirens (Tamara Davis@Queensland)
15:35 - 16:00 The luminosity-distance space large scale structure probed by gravitational wave standard (Pengjie Zhang@SJTU)
16:00 - 16:15 Q&A and discussion
16:15 - 16:30 Coffee Break
  Afternoon Session 2: Reionization (session chair: David Parkinson)
16:30 - 16:55 Simulating reionization of the Universe with stars and AGN (Taysun Kimm@Yonsei)
16:55 - 17:10 Prospects of Constraining the Epoch of Reionization using morphological descriptors (Akanksha Kapahtia@IIA)
17:10 - 17:25 Prospects of observing reionization multi-frequency angular power spectrum using SKA-Low (Abinash K. Shaw@IIT Kharagpur)
17:25 - 17:40 Large-scale Variation in Reionization History Caused by Baryon-Dark Matter Streaming Motion (Hyunbae Park@Kavli IPMU)
17:40 - 17:55 Highlights of Intensity Mapping as a probe to cosmology (Caroline Heneka@Hamburg University)
17:55 - 18:20 TBD (François Bouchet@IAP)
18:20 - 18:35 Q&A and discussion

 

  11/4 (Wed)
  Morning Session 1: Gravitational Lensing (session chair: Myungshin Im)
9:10 - 9:35 Analysis of Gravitational Lensing Data with Machine Learning (Laurence Perreault-Levasseur@Université de Montréal)
9:35 - 10:00 Baryonic feedback measurement from cosmic shear (M. James Jee@Yonsei)
10:00 - 10:25 HSC-XXL: Weak-lensing Mass Measurements and Scaling Relations on Cluster-Group Scales (Keiichi Umetsu@ASIAA)
10:25 - 10:40 Q&A and discussion
10:40 - 10:55 Coffee Break
  Morning Session 2: Large-scale Structures (session chair: Ho Seong Hwang)
10:55 - 11:20 eBOSS Final Results: Model Testing and Mock Challenges (Graziano Rossi@Sejong)
11:20 - 11:45 Finding clusters in the DESI imaging legacy survey DR8 (Xiaohu Yang@SJTU)
11:45 - 12:00 Cosmology from large-scale clustering of the EMU Pilot survey data (David Parkinson@KASI)
12:00 - 12:15 The small-scale redshift space distortions and cosmological implications (Motonari Tonegawa@KIAS)
12:15 - 12:30 The BINGO Project: Baryon Acoustic Oscillations from Integrated Neutral Gas Observations (Jiajun Zhang@IBS)
12:30 - 12:45 Q&A and discussion
12:45 - 12:55 Excursion video 3 (천상열차분야지도: The star map in the Joseon Dynasty)
12:55 - 14:20 Lunch
  Afternoon Session1: Galaxy Formation and Evolution (session chair: Shude Mao)
14:20 - 14:45 Determining the Shapes of Galaxy Halos Using Observations (Mousumi Das@IIA)
14:45 - 15:10 7-Dimensional Sky Survey (Myungshin Im@SNU)
15:10 - 15:35 Mapping stars, gas and dust in nearby galaxies with integral field spectroscopy (Cheng Li@Tsinghua)
15:35 - 15:45 Q&A and discussion
15:45 - 16:00 Coffee Break
  Afternoon Session 2: Large-scale Structures (session chair: Xiaohu Yang)
16:00 - 16:25 Connectivity and galaxy populations in supercluster cocoons: the case of A2142 (Maret Einasto@Tartu)
16:25 - 16:40 HIR4: Cosmology from a simulated neutral hydrogen full sky (Jacobo Asorey@CIEMAT)
16:40 - 16:55 Unveiling the ionised hot gas in the cosmic web`s largest structures (Nabila Aghanim@Insitut d`Astrophysique Spatiale (IAS))
16:55 - 17:20 Galaxy clusters as cosmological probe (Marian Douspis@Insitut d`Astrophysique Spatiale (IAS))
17:20 - 17:35 Imprint of baryons and massive neutrinos on velocity statistics (Joseph Kuruvilla@Insitut d`Astrophysique Spatiale (IAS))
17:35 - 17:50 Q&A and discussion
   
  Afternoon Session 3: Poster talks (5min presentation + 1min Q&A)
17:50 - 17:56 Probing the cosmological weak-lensing statistics with three-dimensional ray tracing in a relativistic N-body simulation (Sonia A. Ema@The University of Sydney)
17:56 - 18:02 Fractal dimensions scale of homogeneity (Swati Gavas@IISER Mohali)
18:02 - 18:08 Clustering of Galaxies in modified Newtonian potentials (Abdul Wakeel@National Institute Of Technology Srinagar)
18:08 - 18:14 Phase-space Analysis of Halos around Large-scale Filamentary Structures (Hannah Jhee@University of Seoul)
18:14 - 18:20 Measurement of the B-band Galaxy Luminosity Function with Approximate Bayesian Computation (Luca Tortorelli@ETH Zurich)
18:20 - 18:26 Galaxy clustering and systematics mitigation with the Dark Energy Survey Year 3 data (Martin Rodriguez-Monroy@CIEMAT)
18:26 - 18:32 Baryon Acoustic Oscillations in DES-Y3 data (Juan Mena-Fernández@CIEMAT)
18:32 - 18:38 Reionization, Radiation and Dark Energy: Coincidence or Anthropic Prediction? (Daniele Sorini@University of Edinburgh)

 

  11/5 (Thu)
  Morning Session 1: Large-scale Structures (session chair: Benjamin L'Huillier)
9:30 - 9:55 Halo merging history with the critical event theory (Dmitri Pogosyan@Alberta)
9:55 - 10:20 The depltion radius as the natural boundary of dark matter halo (Jiaxin Han@SJTU)
10:20 - 10:35 Identification of cosmic voids as galaxy cluster counterparts (Junsup Shim@KIAS)
10:35 - 10:50 Q&A and discussion
10:50 - 11:05 Coffee Break
  Morning Session 2: Large-scale Structures (session chair: Juhan Kim)
11:05 - 11:30 Cosmological Vlasov/Poisson Simulations of Structure Formation with Relic Neutrinos (Naoki Yoshida@IPMU)
11:30 - 11:55 Deep Learning the Galaxy Distribution and testing LCDM (Cristiano Sabiu@Yonsei)
11:55 - 12:20 Spatial distribution of dark matter in galaxy clusters traced by galaxies, gas and intra-cluster stars in a simulated universe (Jihye Shin@KASI)
12:20 - 12:35 Q&A and discussion
12:35 - 12:45 Excursion video 4 (한글: Korean Alphabet)
12:45 - 14:10 Lunch
  Afternoon Session 1: Galaxy Formation and Evolution (session chair: Naoki Yoshida)
14:10 - 14:35 Dusty galaxies throughout cosmic time: The perspective of galaxy formation simulations (Claudia Lagos@University of Western Australia)
14:35 - 15:00 Beyond halo mass: the role of vorticity-rich filaments in quenching galaxy mass assembly (Hyunmi Song@Yonsei)
15:00 - 15:15 Physical conditions in high-redshift damped Lyman-alpha absorbers (Katherine Rawlins@St. Xavier's College)
15:15 - 15:40 Dynamics of bars in nearby galaxies (Shude Mao@Tsinghua)
15:40 - 16:05 On the origin of thick discs of spiral galaxies from state-of-the-art simulations (Sukyoung Yi@Yonsei)
16:05 - 16:20 Q&A and discussion
16:20 - 16:35 Coffee Break
  Afternoon Session 2: Poster Talks (5min presentation + 1min Q&A)
16:35 - 16:41 Discovery of a Radio Relic in the Massive Merging Cluster SPT-CL~J2023-5535 from the ASKAP-EMU PILOT SURVEY (HyeongHan Kim@Yonsei)
16:41 - 16:47 Discovery of double radio relic in cluster merger ZwCL J1447.2+2619 (Wonki Lee@Yonsei)
16:47 - 16:53 Disentangling the γ-ray Sky with Bayesian Graph Convolutional Neural Networks (Florian List@University of Sydney)
16:53 - 16:59 Galaxies in large-scale filaments in EAGLE simulation (Ankit Singh@Indian Institute of Science Education and Research Mohali)
16:59 - 17:05 N-body simulation on survival possibility of Population III stars (Jayanta Dutta@Harish-Chandra Research Institute)
17:05 - 17:11 The moving tetrahedron mesh hydrodynamics for numerical simulation of galaxies (Igor Kulikov@Institute of Computational Mathematics and Mathematical Geophysics SB RAS)
17:11 - 17:17 The fate of an infalling circumgalactic gas clump and the growth of the central massive black hole in a high-redshift quasar (Yongseok Jo@SNU)
17:17 - 17:23 Disk Galaxies in the IllustrisTNG and HR5 (Yonghwi Kim@KIAS)
   
  Afternoon Session 3: Galaxy Formation and Evolution (session chair: Sukyoung Yi)
17:25 - 17:50 Order out of chaos: secular cosmic thick and thin disc settling (Christophe Pichon@IAP)
17:50 - 18:15 The Infall History of the Milky Way (Owain Snaith@Observatoire de Paris)
18:15 - 18:40 The evolution of gas and dust in quiescent galaxies (Raphael Gobat@PUCV)
18:40 - 18:55 Q&A and discussion

 

  11/6 (Fri)
  Morning Session 1: Galaxy Formation and Evolution (session chair: Kyoung-Soo Lee)
9:30 - 9:55 How AGN and Galactic Winds Regulate the Behavior of Baryons (Megan Donahue@Michigan State U.)
9:55 - 10:20 Cosmic Habitable Zones (Brad Gibson@Hull)
10:20 - 10:45 Cosmic evolution of environmental dependence of galaxy properties: comparison between observations and simulations (Ho Seong Hwang@KASI)
10:45 - 11:00 Q&A and discussion
11:00 - 11:15 Coffee Break
  Morning Session 2: Galaxy Formation and Evolution (session chair: Changbom Park)
11:15 - 11:30 On the Variation in the Star-formation Properties of High-redshift Galaxy Clusters (Seong-Kook Lee@SNU)
11:30 - 11:45 Observations of AGN feedback: ionized gas outflows and radiation pressure (Hyunsung Jun@KIAS)
11:45 - 12:00 The Horizon Run 5 Cosmological Hydrodynamical Simulation: Probing Galaxy Formation from Kilo- to Giga-parsec Scales (Jaehyun Lee@KIAS)
12:00 - 12:15 Q&A and discussion
12:15 - 12:25 Excursion video 5 (Horizon Run 5 fly-through + Korea: Beyond your thoughts)
12:25 - 12:45 Final Remarks (Yasushi Suto, Maret Einasto, Xiaohu Yang, Keiichi Umetsu, Myung Gyoon Lee, Arman Shafieloo, and Brad Gibson)
& Closing Remark (Changbom Park@KIAS)