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Keiichi's Presentations

(partial list: complete since 2006)

2021
- (4) Keiichi Umetsu
  "TBD"
  A Multi-Wavelength View of Galaxy Clusters: Deriving Masses in the Era of Wide-Wield Surveys, Madrid (ESA/ESAC), Spain, September 8-10, 2020 (postponed to June 14-17, 2021 due to the COVID-19 pandemic) [invited]
- (3) Keiichi Umetsu
  "TBD"
  Dissecting Cluster Cosmology, Trieste (Institute for Fundamental Physics of the Universe), Italy, August 31 - September 4, 2020 (postponed to 2021 due to the COVID-19 pandemic) [invited]
- (2) Keiichi Umetsu
  "Faculty Presentation IV: Testing CDM with Cluster Weak Lensing"
  ASIAA Lunch Talk, ASIAA, Taiwan, May 17, 2021 (postponed due to the COVID-19 pandemic)
- (1) Keiichi Umetsu
  "Presentation of Lensing Projects"
  CHEX-MATE Workshop, February 8-10, 2021 (online zoom conferencing due to the COVID-19 pandemic) [invited]

2020
- (5) Keiichi Umetsu
  "HSC-XXL: Weak-lensing Mass Measurements and Scaling Relations on Cluster-Group Scales"
  The 9th KIAS Workshop on Cosmology and Structure Formation, KIAS, Seoul, Korea, November 2-6, 2020 (video conferencing due to the COVID-19 pandemic) [invited]
- (4) Keiichi Umetsu
  "Unveiling Cosmic Structure Formation by Cluster Weak Lensing"
  South-Western Institute for Astronomy Research (SWIFAR), Yunnan University, China September 3, 2020 (video conferencing due to the COVID-19 pandemic) [invited]
- (3) Keiichi Umetsu
  "HSC-XXL: Weak-lensing Mass Measurements and Scaling Relations on Cluster-Group Scales"
  Joint XXL-HSC meeting, July 7-8, 2020 (online conference)
- (2) Keiichi Umetsu
  "HSC-XXL: Weak-lensing Mass Measurements and Scaling Relations on Cluster-Group Scales"
  HSC Online Seminar Series, Subaru HSC Collaboration (Japan, Taiwan, USA+), June 16, 2020 [invited]
- (1) Keiichi Umetsu
  "Galaxy Cluster Modeling"
  SkyPy Project Meeting, Manchester (changed to an online Zoom meeting due to the COVID-19 pandemic), April 15-17, 2020 [invited]

2019
- (10) Keiichi Umetsu
  "My Journey through Taiwan: from Gravitational Lensing to Dark Matter"
  Lecture, General Astronomy, Yuan-Zhe University, Taiwan, November 21, 2019 [invited]
- (9) Keiichi Umetsu
  "Unveiling Cosmic Structure Formation by Cluster Lensing"
  The first Shanghai Assembly on Cosmology and Galaxy Formation, Shanghai Jiao Tong University, China, November 4-8, 2019 [invited]
- (8) Keiichi Umetsu
  "Unveiling the Mass Structure of Galaxy Clusters from Lensing and Multi-wavelength Observations"
  MATERA OSCURA: "Cosmology and Dark Matter within Galaxies and Clusters", Matera, Italy, September 2-6, 2019 [invited]
- (7) Keiichi Umetsu
  "Unveiling Cosmic Structure Formation by Cluster Lensing"
  Sesto 2019: "Tracing Cosmic Evolution with Clusters of Galaxies", Sesto, Italy, July 8-12, 2019 [invited]
- (6) Keiichi Umetsu
  "Fundamental Plane of Galaxy Clusters"
  Joint XXL-HSC Meeting, Ovronnaz, Switzerland, July 4-5, 2019 [invited]
- (5) Keiichi Umetsu
  "HSC Weak-lensing Analysis of XXL Clusters: the c-M Relation and the T-M Relation"
  Joint XXL-HSC Meeting, Ovronnaz, Switzerland, July 4-5, 2019
- (4) Keiichi Umetsu
  "Looking at Dark Matter through Gravitational Lenses" [YouTube]
  Public lecture, Prospect Lecture Series: 100 Years of Spacetime Distortion, NTU/Physics, Taiwan, May 31, 2019 [invited]
- (3) Keiichi Umetsu
  "Gravitational Lensing by Galaxy Clusters"
  Student Seminar, ASIAA, Taiwan, May 28, 2019 [invited]
- (2) Keiichi Umetsu
  "Possible Connection between the Halo Fundamental Plane and the Splashback Radius though Secondary Infall and Accretion"
  Splashback Workshop, Stanford University and SLAC, USA, April 29 - May 4, 2019
- (1) Keiichi Umetsu
  "HSC Weak-lensing Analysis of XXL-selected Galaxy Clusters"
  "Panchromatic Panoramic Studies of Galaxy Clusters: from HSC to PFS and ULTIMATE", ASIAA, Taiwan, March 11-13, 2019

2018
- (9) Keiichi Umetsu
  "Discovery of a New Fundamental Plane Dictating Galaxy Cluster Evolution from Gravitational Lensing"
  The 8th KIAS Workshop on Cosmology and Structure Formation, Seoul (Korea Institute for Advanced Study), Korea, Nov. 5-9, 2018 [invited to SOC]
- (8) Keiichi Umetsu
  "Testing Cold Dark Matter Models with Galaxy Cluster Gravitational Lensing"
  LeCosPA Seminar, LeCosPA, National Taiwan University, October 22, 2018 [invited]
- (7) Keiichi Umetsu
  "Testing CDM Predictions with Galaxy Cluster Gravitational Lensing"
  Astronomy Colloquium, Department of Physics & Institute of Astronomy, National Tsing-Hua University, Taiwan, October 5, 2018 [invited]
- (6) Keiichi Umetsu
  "Testing CDM Predictions with Galaxy Cluster Gravitational Lensing"
  Cosmology Frontier in Particle Physics: Astroparticle Physics and Early Universe, Taipei (NTU), Taiwan, Sep. 27-29, 2018 [invited]
- (5) Keiichi Umetsu
  "Testing CDM Predictions with Galaxy Cluster Gravitational Lensing" [Abstract]
  High-Energy Theory Group Seminar, Institute of Physics, Academia Sinica, Taiwan, September 19, 2018 [invited]
- (4) Keiichi Umetsu
  "Discovery of a New Fundamental Plane Dictating Galaxy Cluster Evolution from Gravitational Lensing"
  5th Korea-Japan Workshop on Dark Energy, Daejon (KASI), Korea, August 6-10, 2018 [invited]
- (3) Keiichi Umetsu
  "Update on the HSC Weak-lensing Analysis of XXL Galaxy Clusters"
  Hiroshima HSC-XXL Collaboration Meeting, July 16-19, 2018
- (2) Keiichi Umetsu
  "Discovery of a New Fundamental Plane Dictating Galaxy Cluster Evolution from Gravitational Lensing" [Abstract]
  SnowCluster 2018: The Physics of Galaxy Clusters, SnowBird, Utah, USA, March 18-23, 2018 [invited]
- (1) Keiichi Umetsu
  "Formation and Growth of Cosmic Giants: Lensing View of Galaxy Cluster Halos"
  Session O6-AG: Astrophysics, Gravity and Cosmology, The 2018 Annual Meeting of the Physical Society of Taiwan (TPS), National Taiwan University, Taiwan, January 24-26, 2018 [invited]

2017
- (8) Keiichi Umetsu
  "Discovery of a Plane Dictating Galaxy Cluster Evolution from Gravitational Lensing and X-ray Data"
  Informal meeting with Prof. Hans Bohringer, ASIAA, Taiwan, December 7, 2017
- (7) Keiichi Umetsu
  "Formation and Evolution of Cosmic Giants: Lensing View of Cluster Galaxy Halos"
  ASIAA Lunch Talk, ASIAA, Taiwan, October 30, 2017
- (6) Keiichi Umetsu
  "Testing LCDM Predictions with Cluster Lensing in the ELT Era"
  Shedding Light on the Dark Universe with Extremely Large Telescopes, Lanzhou, China, August 30 - September 2, 2017 [invited]
- (5) Keiichi Umetsu
  "Characterizing Galaxy Clusters with Gravitational Lensing: Halo Shape and Splashback Radius"
  Exploring Dark Matter and Dark Ages with Lensing Clusters, Sexten Center for Astrophysics (SCfA, Sesto), Italy, July 24-28, 2017 [invited]
- (4) Keiichi Umetsu
  "HSC Weak-lensing Analysis of XXL Galaxy Clusters"
  ESAC joint HSC-XXL workshop 2017, El Escorial, Madrid, Spain, May 10-12, 2017
- (3) Keiichi Umetsu
  "Galaxy Clusters as Cosmic Lenses"
  Student Seminar, ASIAA, Taiwan, May 4, 2017 [invited]
- (2) Keiichi Umetsu
  Cluster Gravitational Lensing with Subaru"
  Subaru International Partnership Science and Instrumentation Workshop, NAOJ, Japan, March 22-24, 2017 [invited]
- (1) Keiichi Umetsu
  "Gravitational Lensing in the Universe"
  ASIAA Outreach Activity, NTU Azalea Festival, Taiwan, March 11, 2017 [invited]

2016
- (11) Keiichi Umetsu
  "Lensing Constraints on the Mass Profile Shape and Splashback Radius of Galaxy Clusters"
  Colloquium talk, National Central University, Taiwan, December 2, 2016 [invited]
- (10) Keiichi Umetsu
  "Ensemble Mass Distribution of Galaxy Clusters from the CLASH Survey"
  10th East-Asia Meeting on Astronomy (EAMA10), Seoul National University, Korea, September 27-30, 2016 [invited]
- (9) Keiichi Umetsu
  "Full Strength of Galaxy Cluster Gravitational Lensing: Applications to the CLASH Survey"
  HSC-Taiwan group meeting, ASIAA, Taiwan, August 8, 2016
- (8) Keiichi Umetsu
  "Ensemble Mass Distribution of Galaxy Clusters from the CLASH Survey: Splashback Radius"
  Session 6 "Exploring the outskirts of galaxy clusters", European Week of Astronomy and Space Science 2016 (EWASS 2016), Eugenides Foundation, Athens, Greece, July 4-8, 2016
- (7) Keiichi Umetsu
  "Ensemble Mass Distribution of Galaxy Clusters from the CLASH Survey: Concentration-Mass Relation, Stacked Mass Profile, and Splashback Radius"
  Cosmology Seminar, National Astronomical Observatories, Chinese Academy of Sciences, May 20, 2016 [invited]
- (6) Keiichi Umetsu
  "Ensemble Mass Distribution of Galaxy Clusters from the CLASH Survey: Concentration-Mass Relation, Stacked Mass Profile, and Splashback Radius"
  Colloquium, Shanghai Jiaotong University, China, May 16, 2016 [invited]
- (5) Keiichi Umetsu
  "Ensemble Mass Distribution of Galaxy Clusters from the CLASH Survey: Concentration-Mass Relation, Stacked Mass Profile, and Splashback Radius"
  Astrophysics Seminar, Key Lab for Astrophysics, Shanghai Normal University, China, May 13, 2016 [invited]
- (3) Keiichi Umetsu
  "Cluster Weak Gravitational Lensing: CLASH to RELICS"
  RELICS Collaboration Meeting, Steward Observatory, Tucson, Arizona, USA, March 2-4, 2016
- (2) Keiichi Umetsu
  "Recent Progress in Cluster Weak Lensing"
  Clusters with Nick Kaiser Day, Institute for Advanced Study, HKUST, Hong Kong, February 17, 2016 [invited]
- (1) Keiichi Umetsu
  "HSC First-year Science: Cluster-galaxy Lensing"
  HSC Weak-lensing Working-group Breakout Session, ASIAA, Taiwan, January 12, 2016

2015
- (6) Keiichi Umetsu
  "Gravitational Lensing by Galaxy Clusters"
  Student Seminar, ASIAA, Taiwan, November 19, 2015
- (5) Keiichi Umetsu
  "Mass Distribution of CLASH Galaxy Clusters from Full Lensing Analysis"
  CLASH-VLT 2015, Firenze, Italy, September 23-25, 2015
- (4) Keiichi Umetsu
  "Weak Gravitational Lensing by Clusters of Galaxies"
  Informal seminar, Department of Physics, The University of Hong Kong, August 27, 2015
- (3) Keiichi Umetsu (presented by S.-Y. Wang)
  "CLASH: Cluster Lensing with Hubble + Subaru"
  2015 Institutional Review, ASIAA, Taipei, July 20-22, 2015
- (2) Keiichi Umetsu
  "The Full Strength of Cluster Gravitational Lensing: Mass Distribution in and around Cosmic Giants from the CLASH Survey"
  Astrophysics Colloquium, Astronomical Institute, Tohoku University, Japan, June 30, 2015 [invited]
- (1) Keiichi Umetsu
  "ASIAA OIR Manpower/Activities
  ASIAA Advisory Panel Meeting 2015, ASIAA, Taiwan, March 25, 2015

2014
- (10) Keiichi Umetsu
  "The Full Strength of Cluster Gravitational Lensing: Distribution of Matter in and around Cosmic Giants from the CLASH Survey"
  Department of Physics Seminar, The University of Hong Kong, December 3, 2014 [invited]
- (9) Keiichi Umetsu
  "Subaru Shear-and-Magnification Weak-Lensing Analysis of CLASH Galaxy Clusters"
  The 6th KIAS Workshop on Cosmology and Structure Formation, KIAS, Korea, November 3-6, 2014 [invited]
- (8) Keiichi Umetsu
  "Weak Gravitational Lensing Effects by Galaxy Clusters"
  NCTS HEP Seminar, National Tsing Hua University (NTHU) / National Center for Theoretical Sciences (NCTS), Hsinchu, Taiwan, September 18, 2014 [invited]
- (7) Keiichi Umetsu
  "Subaru Weak-Lensing Shear and Magnification Analysis of CLASH Galaxy Clusters"
  Workshop on Synergy of HSC and Hiroshima CORE-U projects for Galaxy Clusters and Astronomical Transients, Hiroshima University, Japan, August 27, 2014 [invited]
- (6) Keiichi Umetsu
  "J-PAS Overview"
  Workshop on Intensity Mapping with AMiBA, ASIAA, Taiwan, July 7-8, 2014
- (5) Keiichi Umetsu
  "CLASH: Subaru Weak-Lensing Results"
  Clusters Paris 2014 "Future Directions in Galaxy Cluster Surveys", Paris, France, June 23-27, 2014 [invited]
- (4) Keiichi Umetsu
  Mass Distribution in and around Galaxy Clusters from Weak Lensing Shear and Magnification
  Cross-Straight Astrophysics Symposium, ASIAA, Taipei, June 19-21, 2014
- (3) Keiichi Umetsu
  CLASH: Weak-Lensing Shear and Magnification Analysis of 20 Galaxy Clusters"
  Astrophysics Colloquium, Jet Propulsion Laboratory (JPL), USA, April 24, 2014 [invited]
- (2) Keiichi Umetsu
  Academia Sinica Career Development Award Final Report, ASIAA, Taiwan, March 26, 2014
- (1) Keiichi Umetsu
  "Extreme Cluster Properties and Cosmology",
  Subaru HSC/PFS-Taiwan Meeting, ASIAA, Taiwan, January 10, 2014

2013
- (7) Keiichi Umetsu
  "Culster Science with SZE and Multi-wavelength Observations"
  Workshop on Cluster Physics, Tokyo University of Science, Tokyo, Japan, December 28, 2013 [invited]
- (6) Keiichi Umetsu
  "Mass Distribution in and around Galaxy Clusters from Gravitational Lensing" [PDF]
  PASCOS 2013: 19th International Symposium on Particles, Strings and Cosmology, Taipei, Taiwan, November 20-26, 2013 [invited]
- (5) Keiichi Umetsu
  "CLASH Weak-Lensing Shear+Magnification Analysis"
  CLASH 2013, RAS, London, UK (September 16-18, 2013)
- (4) Keiichi Umetsu
  "50min presentation on cosmology, cluster-astrophysics related research programs at ASIAA"
  Copenhagen-Asia-America Network for Dark cosmologY (CAANDY) kick-off meeting, DARK Cosmology Center, Copenhagen, Denmark, August 12-17, 2013 [invited]
- (3) Keiichi Umetsu
  35min review talk on the matter distribution in clusters: "Cluster Mass Distribution from Weak-Lensing Shear and Magnification"
  Sesto 2013: "Tracing Cosmic Evolution with Clusters of Galaxies", Sesto Pusteria (Dolomites, Italy), July 1-5, 2013 [invited]
- (2) Keiichi Umetsu
  "Progress of Galaxy Cluster Gravitational Lensing in the Last Decade"
  Prof. Futamase's 60th birthday anniversary workshop, Tohoku University (Sendai, Japan), March 14-15, 2013
- (1) Keiichi Umetsu
  "Multi-probe Cluster Lensing Analysis"
  Subaru HSC/PFS-Taiwan meeting, ASIAA, Taiwan, January 11, 2013

2012
- (3) Keiichi Umetsu
  "CLASH Stacked Lensing Analysis"
  CLASH 2012, Bilbao, Spain, October 16-19, 2012
- (2) Keiichi Umetsu
  "Clusters of Galaxies as Cosmic Lenses"
  Bi-weekly seminar, LeCosPA, National Taiwan University, Taiwan, May 7, 2012 [invited]
- (1) Keiichi Umetsu
  "Clusters of Galaxies as Cosmic Lenses"
  Institute of Astronomy, National Taiwan Tsing Hua University (NTHU), Taiwan, April 20, 2012 [invited]

2011
- (13) Keiichi Umetsu
  "Advisory Meeting for Academia Sinica Career Development Award Progress Report",
  "Mid-Term Progress Report", ASIAA, Taipei, Taiwan, December 7, 2011
- (12) Keiichi Umetsu
  "Large Scale Structure and Cosmology",
  The Taiwan Extragalactic Astronomical Data Center 1st Workshop: "Founding Astroinformatics and Virtual Observatory in Taiwan", National Taiwan Normal University, Taipei, Taiwan, November 7, 2011 [invited]
- (11) Keiichi Umetsu
  "CLASH Subaru Weak Lensing and Sunyaev-Zel'dovich Effect Analyses",
  CLASH 2011, International Science Forum Heidelberg (IWH), Baden-Wurttemberg, Germany, October 17-19, 2011
- (10) Keiichi Umetsu
  "Mass and Hot Baryons from Cluster Lensing and SZE Observations",
  SZX HUNTSVILLE 2011 "Cosmology with X-ray and Sunyaev-Zeldovich Effect Observations of Galaxy Clusters", Huntsville, USA, September 19-22, 2011 [invited]
- (9) Keiichi Umetsu
  Lecture on Cosmology,
  2011 ASIAA Summer Student Program, ASIAA, Taiwan, 4 August 2011
- (8) Keiichi Umetsu
  "Galaxy Clusters as Cosmic Lenses",
  ASIAA Luncheon Talk, ASIAA, Taiwan, 4 July 2011
- (7) Keiichi Umetsu
  60min talk, "Galaxy Cluster Gravitational Lensing as Cosmological Probes",
  Physics Colloquium, Academia Sinica Institute of Physics, 21 June 2011 [invited]
- (6) Keiichi Umetsu
  "Gravitational Lensing and Sunyaev-Zel'dovich Effect Studies of Galaxy Clusters",
  3min presentation, Academia Sincia Research Award Ceremony, Academia Sinica, 13 June 2011 [invited]
- (5) Keiichi Umetsu
  "Cluster Gravitational Lensing",
  LeCosPA Tea Talk, LeCosPA, National Taiwan University, 7 June 2011 [invited]
- (4) Keiichi Umetsu
  "Cluster Weak Gravitational Lensing with Subaru Observations",
  XXL Consortium Meeting, Corsica, France, 2-6 May 2011 [invited]
- (3) Keiichi Umetsu
  20min talk, "AMiBA: Sunyaev-Zel'dovich Effect Collaboration",
  2011 Advisory Panel Meeting, ASIAA, Taiwan, 21 March 2011
- (2) Keiichi Umetsu
  15min talk, "Subaru Cluster Weak Lensing"
  DENET 2011 Subaru HSC Workshop, ASIAA, Taiwan, 7-8 March 2011
- (1) Keiichi Umetsu
  "Importance of Background Selection in Cluster Weak Lensing and New Cluster Weak Lensing Science"
  Weak Lensing Mini-workshop, Tohoku University, Japan, February 9-10, 2011

2010
- (12) Keiichi Umetsu
  60min talk, Galaxy Cluster Gravitational Lensing as a Cosmological Probe
  APCTP Topical Research Program 2010, The 2nd Workshop: "Recent Progress in Dark Universe and Astrophysics", Institute for the Early Universe, Ewha Womans University, Korea, December 16-17, 2010 [invited]
- (11) Keiichi Umetsu
  35+5min talk, "Probing the Distribution of Mass in Clusters of Galaxies using Weak + Strong Gravitational Lensing"
  Horiba International Conference: COSMO/CosPA 2010, The University of Tokyo, Hongo, Japan, 9/27-10/1, 2010 [invited]
- (10) Keiichi Umetsu
  25min talk, "CLASH Sunyaev-Zel'dovich Effect Observations"
  CLASH 2010, IAA, Granada, Spain, 9/20-9/21, 2010
- (9) Keiichi Umetsu
  60min lecture, "Gravitational Lensing and Observational Cosmology"
  ASIAA Summer Student Program 2010, ASIAA, Taiwan, 7/27, 2010
- (8) Keiichi Umetsu
  15+5min talk, "AMiBA Sunyaev-Zel'dovich Effect and Multiwavelength Study of Galaxy Clusters"
  CL J2010: from Massive Galaxy Formation to Dark Energy, an IPMU/DENET international conference on galaxy clusters, Kashiwa, Japan, 6/28-7/2, 2010
- (7) Keiichi Umetsu
  60min talk, Galaxy Cluster Gravitational Lensing as a Cosmological Probe,
  Physics Colloquium, Hokkaido university, Japan, 6/11, 2010 [invited]
- (6) Keiichi Umetsu
  25+5min talk, The AMiBA Project and The Cluster Cosmology Program in Taiwan,
  CMB Workshop 2010, NAOJ, Japan, 6/7-6/9, 2010 [invited]
- (5) Keiichi Umetsu
  20min talk, "Cosmology and Extragalactic Observational Projects at ASIAA"
  ASIAA Special Open House for NTU/Physics Undergraduate Students, ASIAA, Taiwan, 11 April 2010
- (4) Keiichi Umetsu
  60min talk, "Probing the Dark Matter Density Profile by Galaxy Cluster Gravitational Lensing"
  Colloquium, National Central University, Taiwan, 9 April 2010 [invited]
- (3) Keiichi Umetsu
  60min talk, "Gravitational Lensing by Galaxy Clusters and Large Scale Structure in the Universe"
  High Energy Physics Journal Club, NTHU/NCTS, Taiwan, 6 April 2010 [invited]
- (2) Keiichi Umetsu on behalf of the AMiBA team
  60min talk, "AMiBA Status Report: Science",
  Advisory Panel Meeting 2010, ASIAA, Taiwan, 22 March 2010
- (1) Keiichi Umetsu
  75-min lecture, "Lensing and AMiBA Studies of Galaxy Clusters",
  TIARA Winter School on Galaxies and Stellar Clusters in TIARA-NTHU, TIARA/NTHU, Taiwan, 28 January 2010 [invited]

2009
- (12) Keiichi Umetsu
  25-min talk, "Subaru HSC-Taiwan Science Activities",
  Subaru HSC Sciences on Variable and Transients, National Central University of Taiwan, 14 November 2009
- (11) Keiichi Umetsu
  30-min talk, "Cluster Lensing Science with HSC: Distortion, Depletion, and Dilution",
  Science Opportunities with Wide-Field Imaging and Spectroscopy of the Distant Universe, Princeton University, NJ, USA, 9-11 November 2009
- (10) Keiichi Umetsu
  120-min talk+discussion, "The Japan-Taiwan-Princeton Subaru Hyper Suprime-Cam Project",
  National Central University, Taiwan, 16 June 2009
- (9) Keiichi Umetsu on behalf of the AMiBA team
  40min talk, "Progress of the AMiBA Project",
  Five-Year Program Review of ASIAA, Taipei, Taiwan, 9-11 July 2009
- (8) Keiichi Umetsu
  80-min lecture on "The Large-Scale Structure in the Universe (II)",
  Joint LeCosPA-FGCPA Summer School on Cosmology, National Taiwan University, Taipei, Taiwan, 20-23 June 2009 [invited]
- (7) Keiichi Umetsu
  80-min lecture on "The Large-Scale Structure in the Universe (I)",
  Joint LeCosPA-FGCPA Summer School on Cosmology, National Taiwan University, Taipei, Taiwan, 20-23 June 2009 [invited]
- (6) Keiichi Umetsu
  "SZE Observations of Lensing Clusters for Detailed Mass Modeling",
  10min talk, AMiBA All-Team Meeting, Taipei, Taiwan, 25 May, 2009
- (5) Keiichi Umetsu
  "AMiBA-13 Competition and Niche",
  10min talk, AMiBA All-Team Meeting, Taipei, Taiwan, 25 May, 2009
- (4) Keiichi Umetsu
  "Large Scale Structure in the Universe",
  40min talk, NCTS-FG 1st Bi-Monthly Meeting, NTU/Phys, Taiwan, 28 March, 2009
- (3) Keiichi Umetsu on behalf of the AMiBA team
  "AMiBA Status Report: Science",
  60min talk, Advisory Panel Meeting 2009, ASIAA, Taiwan, 26 March, 2009
- (2) Keiichi Umetsu
  "Multi-Wavelength Studies of Galaxy Clusters",
  25min talk, Subaru HSC Science Workshop, NAOJ, Japan, 18-19 March, 2009
- (1) Keiichi Umetsu
  "Cluster Multi-Wavelength Studies",
  20min talk, Japan-Princeton Subaru HSC Science/Survey Workshop, NAOJ, Japan, 17-20 January, 2009 [invited]
2008
- (21) Keiichi Umetsu
  "HSC Weak Lensing and AMiBA SZE Observations of Galaxy Clusters",
  20min talk, Taiwan-Japan Subaru HSC Science/Survey Mini Workshop, ASIAA, Taiwan, 22 December 2008 [invited]
- (20) Keiichi Umetsu
  "Observational Probes of Dark Energy - Part 2",
  60min seminar, Dark Energy Working Group Meeting, Physics Department, NTU, Taiwan, 17 December 2008 [invited]
- (19) Keiichi Umetsu
  "Observational Probes of Dark Energy - Part 1",
  60min seminar, Dark Energy Working Group Meeting, Physics Department, NTU, Taiwan, 10 December 2008 [invited]
- (18) Keiichi Umetsu
  "Weak Lensing by Galaxy Clusters and Cluster Subhalos"
  ASIAA Luncheon Talk, ASIAA, Taiwan, 24 November 2008
- (17) Keiichi Umetsu
  "Cluster Weak Lensing and Sunyaev-Zel'dovich Effects in AMiBA Galaxy Clusters",
  60min seminar, Astrophysics Seminar, Physics Department, NTU, Taiwan, 6 November 2008 [invited]
- (16) Keiichi Umetsu
  "Cluster Gravitational Lensing",
  CFHT-Taiwan Users Meeting, ASIAA, Taiwan, 27 October 2008
- (15) Keiichi Umetsu
  "The AMiBA Project",
  Interviewd by Scientific American Taiwan Edition, 3 October 2008
- (14) Keiichi Umetsu
  Seminar on weak lensing shape measurements,
  HSC Weak Lensing Miniworkshop, NAOJ, Japan, 18-20 August 2008
- (13) Keiichi Umetsu
  one-hour lecture on the CMB interferometer AMiBA project,
  Enrico Fermi Summer School 2008, Varenna, Italy, 15-25 July 2008 [invited]
- (12) Keiichi Umetsu
  one-hour lecture on cluster weak gravitational Lensing,
  Enrico Fermi Summer School 2008, Varenna, Italy, 15-25 July 2008 [invited]
- (11) Keiichi Umetsu
  "Weak Lensing and Observational Cosmology",
  20min presentation, Weekly LeCosPA Tea Time, LeCosPA, NTU, Taiwan, 10 June 2008
- (10) Keiichi Umetsu
  "Testing LCDM with Cluster Gravitational Lensing",
  60min seminar, Astrophysics Seminar, Physics Department, NTU, Taiwan, 29 May 2008 [invited]
- (9) Keiichi Umetsu
  Jointly interviewed by a Korean news media, PRESSian, and Asia Pacific Center for Theoretical Physics (APCTP),
  23 April 2008
- (8) Keiichi Umetsu
  "Precision Measurements of the Cluster Weak Lensing Signal",
  CFHT-Taiwan Users' Meeting, ASIAA, Taiwan, 11 April 2008
- (7) Keiichi Umetsu
  "Gravitational Lensing with ALMA",
  60min seminar, ALMA Science Meeting, ASIAA, Taiwan, 9 April 2008
- (6) Keiichi Umetsu (on behalf of the AMiBA team)
  "Status of the AMiBA Project",
  30min talk, Advisory Panel Meeting 2008, ASIAA, Taiwan, 24 March 2008
- (5) Keiichi Umetsu
  "Introduction to Cosmology",
  30min talk, ASIAA Open House for NTU undergrad students, Taiwan, 23 March 2008
- (4) Keiichi Umetsu
  Course lectures (3 hours) on Cosmology/Gravitational Lensing, Physics Department, NTU, Taiwan, 12-14 May 2008 [invited]
- (3) Keiichi Umetsu
  "Weak Gravitatioanl Lensing by Clusters of Galaxies and Cluster Subhalos",
  25+5min talk, Subaru-ASIAA Miniworkshop on Galaxies and Clusters of Galaxies, 5-6 March 2008 [invited]
- (2) Keiichi Umetsu
  Interviewed by zukan.tv (KGC)
  10min, Researcher Zukan, 19 Feb 2008
- (1) Keiichi Umetsu
  "ASIAA Research Highlights and Prospects with HSC"
  15+5min talk, 2007 Subaru Users' Meeting (SAC HSC Science Workshop), 29-31 Jan 2008, NAOJ, Japan [invited]
2007
- (13) Keiichi Umetsu, Nobuhiro Okabe,
  Subaru Weak Lensing Study of Merging Clusters of Galaxies
  15+5min talk, The 1st Subaru International Conference "Panoramic Views of Galaxy Formation and Evolution", 11-16 Dec 2007, Hayama, Japan
- (12) Keiichi Umetsu, Yuki OKura, Toshifumi Futamase,
  A Moment Method for Measuring the Higher-Order Weak Lensing Effects
  20+5min talk, 2017 International Symposium on Cosmology and Particle Astrophysics, 13-15 November 2007, Taipei, Taiwan [invited]
- (11) Keiichi Umetsu,
  Weak Lensing Analysis of Galaxy Clusters
  30+10min lecture, Zao Cluster Workshop, 24-26 October 2007, Zao, Japan [invited]
- (10) Keiichi Umetsu,
  Progress of the AMiBA Project
  25min talk, Asia Science Forum (intl. conf.), 10-11 Sept 2007, Tohoku University, Sendai, Japan [invited]
- (9) Keiichi Umetsu,
  Weak Lensing Tomography
  2hrs lecture, ASIAA Cosmology Seminar, 29 August 2007, ASIAA, Taipei, Taiwan
- (8) Keiichi Umetsu,
  Gravitational Lensing with Subaru S-Cam and HSC
  10min talk, ASIAA O/IR Meeting with Subaru Visitors, July 30, 2007, ASIAA, Taipei, Taiwan
- (7) Keiichi Umetsu,
  The AMiBA Project
  ASIAA Summer Student Program Lecture (60min), July 17, 2007, ASIAA, Taipei, Taiwan
- (6) Keiichi Umetsu and Nobuhiro Okabe,
  Subaru Weak Lensing Study of Seven Merging Clusters of Galaxies
  Poster presentation (+1.5min rapid presentation), Sesto 2007 International Conference, June 25-29, 2007, Sesto, Itatly
- (5) Keiichi Umetsu,
  Gravitational Lensing and Observational Cosmology,
  60min seminar talk, National Center for Theoretical Sciences, May 10, 2007, NTU/Phys, Taipei [invited]
- (4) Keiichi Umetsu,
  Gravitational Lensing in Galaxy Clusters [Abstract],
  NCU Colloquium, April 20, 2007, National Central University of Taiwan [invited]
- (3) Keiichi Umetsu,
  Gravitational Lensing and Dark Matter in Galaxy Clusters,
  ASIAA Luncheon Talk, April 9, 2007, ASIAA, Taipei, Taiwan
- (2) Keiichi Umetsu,
  Probing Dark Energy and Dark Matter by Weak Gravitational Lensing,
  30min talk, ASIAA Advisory Panel Meeting 2007, March 22, 2007, ASIAA, Taipei, Taiwan
- (1) Keiichi Umetsu,
  Status of the AMiBA Project,
  30min talk, The 21st Century Center-of-Excellence (COE) Program "Exploring New Science by Bridging Particle-Matter Hierarchy" , February 14-16, 2007, Tohoku University, Sendai, Japan [invited]
2006
- (8) Keiichi Umetsu, Probing Dark Energy and Dark Matter with Gravitational Lensing, Seminar talk, National Center for Theoretical Sciences, November 30, 2006, NTU/Phys, Taipei [invited]
- (7) Keiichi Umetsu,
  Probing the Distribution of Mass in Galaxy Clusters using Subaru Weak Lensing Observations, 20min talk, 2016 International Symposium on Cosmology and Particle Astrophysics (November 15-17), November 15, 2006, National Taiwan University [invited]
- (6) Keiichi Umetsu,
  Galaxy Cluster Survey with Subaru HSC and AMIBA,
  Contributed talk, The Hyper Suprime-Cam and Cosmology, November 7, 2006, Tokyo University (talk in Japanese/slides in English)
- (5) Keiichi Umetsu,
  Introduction to Gravitational Lensing,
  Lecture, ASIAA Summer Student Program 2006, August 3, 2006, ASIAA, Taipei, Taiwan
- (4) Keiichi Umetsu and the AMiBA team,
  AMiBA Lag-to-Visibility Method and Sun Fringe Analysis
  AMiBA Technical Review Meeting, June, 2006, ASIAA, Taipei, Taiwan
- (3) Keiichi Umetsu,
  Introduction to Gravitational Lensing and Cosmological Lensing Magnification
  ASIAA Cosmology Seminar, May 16, 2006, ASIAA, Taipei, Taiwan
- (2) Keiichi Umetsu,
  The AMiBA Project: Introduction to Observational Cosmology
  60min lecture, NCKU/NTNU Students Visit to ASIAA, ASIAA, Taipei, Taiwan
- (1) Keiichi Umetsu and the AMiBA team,
  SZE Science with AMiBA
  AMiBA/WIRCam Project Review Meeting, Hilo, Hawaii, USA, March 9-10, 2006
-2005 (partial list)
- Keiichi Umetsu,
  SZ Science with AMiBA and ALMA,
  20min talk, Inaugural Japan-Taiwan ALMA Science Workshop (December 15-16, 2005), ASIAA, Taipei, Taiwan, December 15 [invited]
- Keiichi Umetsu,
  Gravitational Lensing,
  Seminar talks, Iwate University, Japan, October, 2005 [invited]
- Keiichi Umetsu,
  Discovery of a Strongly Lensed Galaxy at z=3.9 behind a z=0.83 Galaxy Cluster,
  Astronomical Society of Japan annual meeting, Sapporo, Japan, October 7, 2005
- Keiichi Umetsu,
  Cluster Science with AMiBA
  AMiBA Mini Workshop, Hilo, Hawaii, USA, September 25, 2015

Keiichi Umetsu, Academia Sinica IAA, Taiwan