TALKS IN CONFERENCES, SEMINARS, & COLLOQUIA (since 2005)
2024
- “Dissipation and Particle Acceleration in Relativistic Jets”, The 8th Shanghai Symposium on Particle Physics and Cosmology, TDLI, Shanghai, China, November 2024 (INVITED)
- “Numerical Modeling and Constraint of the Shadow of the Supermassive Black Holes”, Black Hole Shadow Workshop (domestic), Changsha, China, November 2024 (INVITED)
- “Flares in Sgr A* from GRMHD simulations”, Transient Phenomena and Physical Process around Supermassive Black Holes, TDLI, Shanghai, China, October 2024 (INVITED)
- “Flares in Sgr A* from 3D two-temperature GRMHD simulations”,
MPIfR special colloquium, Bonn, Germany, August 2024 (INVITED) - “Flares in Sgr A* from 3D two-temperature GRMHD simulations”,
UCL-MSSL seminar, Dorking, UK, August 2024 (INVITED) - “Numerical Modeling of Black Hole Shadow”,
IAU General Assembly 2024, scientific side meeting “EHT science session”, Cape Town, South Africa, August 2024 - “Numerical Modeling and Constraint of the Shadow of the Supermassive Black Holes”,
IAU General Assembly 2024, Forcus Meeting 7, Cape Town, South Africa, August 2024 (INVITED) - “Parameter Estimation from the Shadow of the Supermassive Black Holes”, Interdisciplinary Computing/AI and Physical Sciences Forum 2024, TDLI, Shanghai, July 2024
- “Testing Theories of Gravity via Black Hole Shadows in Space VLBI”, BHEX-JAPAN workshop, Mitaka, Tokyo, Japan, July 2024
- “Parameter Estimation from the Shadow of the Supermassive Black Holes”, TDLI Astrophysics Forum, TDLI, Shanghai, China, July 2024
- “Testing Theories of Gravity via Black Hole Shadows in Space VLBI”, Black Hole Explorer Japan Workshop, Mitaka, Tokyo, Japan, June 2024
- “Temperature properties of two-temperature accretion flows onto a black hole”, TDLI High-Energy Astrophysics / Compact Object Mini-Workshop, TDLI, Shanghai, China, May 2024
- “Flares in Sgr A* from 3D GRMHD simulations”, Black Hole Astrophysics with VLBI 2024, Mitaka, Tokyo, Japan, February 2024
- “Relativistic Jet Simulations and Modeling on Horizon Scale”, iTHEMS-ABBL joint seminar, RIKEN, Japan, February 2024
- “Numerical Modeling of the Black Hole Shadow and Relativistic Jets on Horizon Scale”, Colloquium, Yunnan Observatory, China, January 2024 (INVITED)
2023
- “Relativistic Jet Simulations and Modeling in Horizon Scale”, 14th East Asian VLBI Workshop, Shanghai, China, November 2023
- “Parameter Estimation from the Shadow of the Supermassive Black Holes”, International Workshop on Intelligent Computing in Astronomy, Hangzhou, China, November 2023
- “Relativistic Jet Simulations and Modeling on Horizon Scale”, HEPRO VIII: High Energy Phenomena in Relativistic Outflows, Paris, France, October 2023
- “Testing Astrophysical Model from the Shadow of the Supermassive Black Holes”, Seminar, Zhejiang Lab, China, October 2023 (INVITED)
- “Relativistic Jet Simulations and Modeling on Horizon Scale”, Colloquium, Zhejiang Univ., China, October 2023 (INVITED)
- “Testing theory of gravity from the Shadow of the Supermassive Black Holes”, Seminar, Zhejiang Univ. of Technology, China, September 2023 (INVITED)
- “Numerical Modeling of the Black Hole Shadow”, Workshop on Frontiers of Black Hole Imaging and Black Hole Activity, Shanghai, July 2023 (INVITED)
- “Numerical Modeling of the Black Hole Shadow and Relativistic Jets on Horizon Scale”, XV International Conference on Gravitation, Astrophysics, and Cosmology, Gyeongju, Korea, July 2023 (INVITED)
- “Relativistic Jet Simulations and Modeling on Horizon Scale”, Astrophysical Black Holes: A Rapidly Moving Field, Univ. of Hong Kong, China, June 2023
- “Relativistic Jet Simulations and Modeling on Horizon Scale”, KIAA Colloquium, Peking Univ., China, March 2023 (INVITED)
- “Temperature Properties in Two-Temperature Accretion Flows onto a Black Hole”, Astro Coffee Seminar, Goethe Univ. Frankfurt, Frankfurt, Germany, March 2023 (INVITED)
- “M87 Polarimetric Observations by Event Horizon Telescope and Their Theoretical Interpretation”, Black Hole Magnetosphere 2023, Kagoshima, Japan, March 2023 (INVITED)
- “Temperature Properties in Two-Temperature Accretion Flows onto a Black Hole”, Workshop on Kinetic Models of Relativistic Plasma, Dublin, Ireland, February 2023 (INVITED)
- “Dynamics of Black Hole Accretion flows”, TDLI Astro-Division 2023 Winter Camp, TDLI, Shanghai, China, January 2023
2022
- “Relativistic Jet Simulations and Modeling in Horizon Scale”, 375th IAU Symposium: The Multimessenger Chakra of Blazar Jets, Kathmandu, Nepal, December 2022 (INVITED)
- “Testing Astrophysical Models form the Shadow of The Supermassive Black Hole”, KEK-PH 2022, KEK, Japan, November 2022 (INVITED)
- “The Shadow of the Supermassive Black Hole in the Center of the Milky Way”, Stellar Universe (Public Talk), India, October 2022 (INVITED)
- “Relativistic Jet Simulations and Modeling in Horizon Scale”, Plasma Explosions in the Universe 2022, Kyoto Univ., Japan, September 2022
- “Testing Astrophysical Models from the Shadow of the Galactic Center Black Hole”, RIKEN ABBL/iTHEMS Joint Astro Seminar, RIKEN, Japan, August 2022 (INVITED)
- “Testing Astrophysical Model from the shadow of the Supermassive Black Holes”, CHEP Seminar, Peking Univ., China, July 2022 (INVITED)
- “Testing Astrophysical Model from the shadow of the Supermassive Black Holes”, ASIAA Theory Seminar, ASIAA, Taiwan, China, July 2022 (INVITED)
- “First Sgr A* Event Horizon Telescope Results: The Shadow of the Supermassive Black Hole in the Center of the Milky Way”, Colloquium, Osaka Public Univ., Japan, July 2022 (INVITED)
- “Testing Astrophysical Models form the Shadow of The Galactic Center Black Hole”, Colloquium, TDLI, SJTU, China, May 2022 (INVITED)
- “First Sgr A* Event Horizon Telescope Results: The Shadow of the Supermassive Black Hole in the Center of the Milky Way”, T.D. Lee Frontier Lecture, TDLI, SJTU, China, May 2022 (INVITED)
- “The Supermassive Black Hole in The Center of Milky Way”, Astro-ph discussion, Tsing-Hua Univ., Taiwan, China, May 2022 (INVITED)
- “Shadow of the Black Hole”, Public lecture in Aichi Univ. Education Telescope opening day, Aichi Univ. of Education, Kariya, Japan, May 2022 (INVITED)
- “The Polarized Ring of The Supermassive Black Hole in M87: Theoretical Modeling”, Black Hole Astrophysics with VLBI 2022, ICRR, Kashiwa, Japan, February 2022 (INVITED)
2021
- “Relativistic Jet Simulations and Modeling from Horizon Scale to Jet Acceleration Zone”, Seminar, Huazhong Univ. of Science and Technology, Wuhan, China, November 2021 (INVITED)
- “Particle Acceleration by Magnetic Reconnection Driven by Current-Driven Kink Instability Turbulence in Relativistic Jets”, TeV Particle Astrophysics 2021, Chengdu, China, October 2021
- “Relativistic Jet Simulations and Modeling in Horizon Scale”, East-Asia AGN Workshop 2021, Chongqing, China, October 2021
- “Shadow of the Supermassive Black Hole in M87: EHT observations and theoretical interpretation”, Mini-workshop on Supermassive Black Hole and Fundamental Physics, ITP, Beijing, China, September 2021 (INVITED)
- “The Polarised Ring of the Suppermassive Black Hole in M87: EHT observations and theoretical modeling”, iTHEMS-ABBL joint seminar, RIKEN, Japan, September 2021 (INVITED)
- “Comparison of ion-to-electron temperature ratio prescription: two-temperature GRMHD simulations”, Jet 2021 conference: Extra-galactic Jets in all Scales, Heidelberg, Germany, June 2021
- “Relativistic Magnetohydrodynamic Simulations for Black Hole Astrophysics”, High-energy astrophysics group seminar, SWIFAR, Yunnan Univ., Kunming, China, June 2021 (INVITED)
- “The Shadow of the Supermassive Black Hole in M87: EHT observations and theoretical modeling”, Colloquium, SWIFAR, Yunnan Univ, Kunming, China, June 2021 (INVITED)
- “Constraint on black-hole charges with the 2017 EHT observations of M87* “, Astro-ph discussion, Tsing-Hua Univ., Taiwan, China, June 2021 (INVITED)
- “The Shadow of the Supermassive Black Hole in M87: EHT observations and theoretical modeling”, NAOJ Science Colloquium, NAOJ, Japan, May 2021 (INVITED)
- “The Shadow of the Supermassive Black Hole in M87: EHT observations and theoretical modeling”, Seminar, Nanjing University, Nanjing, May 2021 (INVITED)
- “GRMHD Simulations of Magnetised Accretion Flows onto Black Hole and Modeling in Horizon Scale”, Workshop on Numerical Simulations, Nanjing University, Nanjing, China, May 2021 (INVITED)
- “The Shadow of the Supermassive Black Hole in M87”, Seminar, Fudan University, Shanghai, China, March 2021 (INVITED)
- “Relativistic Jet Simulations and Modeling in Horizon Scale”, Mini-workshop for Relativistic Jets and Related High-Energy Phenomena, Shanghai, China, March 2021
2020
- “Black Hole Shadows and Testing Theory of Gravity”,AGN Jet Workshop 2020: Active Galactic Nucleus Jets in the Event Horizon Telescope Era, Sendai, Japan, January 2020 (INVITED)
- “The Shadow of the Supermassive Black Hole in M87”,Seminar, Shanghai Astronomical Observatory, Shanghai, China, January 2020 (INVITED)
- “The Shadow of the Supermassive Black Hole in M87”,Astrophysics Forum, T.D. Lee Institute/ Department of Astronomy, Shanghai Jiao-Tong University, Shanghai, China, January 2020 (INVITED)
2019
- “The shadow of a black hole: the first Event Horizon Telescope result”, 14th Asia-Pacific Physics Conference, Kuching, Malaysia, November 2019 (INVITED PLENARY TALK)
- “The Shadow of the Supermassive Black Hole in M87”, ISS Seminar, Institute of Space Science, Bucharest, Romania, November 2019 (INVITED)
- “Testing Theories of Gravity via Black Hole Shadows in Sgr A*”, Galactic center workshop 2019: New Horizons in Galactic Center Astronomy and Beyond, Yokohama, Japan, October 2019 (Contribution talk)
- “Event Horizon Telescope I,II”, 2019 TGWG Conference, Tansui, Taiwan, China, September 2019 (INVITED LECTURE)
- “First M87 Event Horizon Telescope Results: The Shadow of the Supermassive Black Hole “, ECT* workshop: Simulating Gravitation and Cosmology in Condensed Matter and Optical System, Torento, Italy, July 2019 (INVITED)
- “First M87 Event Horizon Telescope Results: The Shadow of the Supermassive Black Hole “, Seminar, Kavli Institute for the Physics and Mathematics of the Universe, University of Tokyo, Kashiwa, Japan, May 2019
- “First M87 Event Horizon Telescope Results: The Shadow of the Supermassive Black Hole “, Seminar, Institute of Cosmic Ray Research, University of Tokyo, Kashiwa, Japan, May 2019
- “First M87 Event Horizon Telescope Results: The Shadow of the Supermassive Black Hole “, ABBL seminar, RIKEN, Wako, Japan, May 2019
- “First M87 Event Horizon Telescope Results: The Shadow of the Supermassive Black Hole “, Theory seminar, Rikkyo University, Tokyo, Japan, May 2019 (INVITED)
- “Test Theory of Gravity via Black Hole Shadows observed by EHT”, Astrophysics seminar, Waseda University, Tokyo, Japan, May 2019
- “The Observation of the Supermassive Black Hole of M87 by Event Horizon Telescope”, Physics colloquium, Rikkyo University, Tokyo, Japan, May 2019 (INVITED)
- “Testing Theories of Gravity via Black Hole Shadow”, ABBL Seminar, RIKEN, Wako, Japan, March 2019
- “Testing Theories of Gravity via Black Hole Shadow”, Seminar, National Astronomical Observatory in Japan Mizusawa, Mizusawa, Japan, March 2019
- “Testing Theories of Gravity via Shadow Images of a Magnetized Accretion Flow onto a Black Hole”, First EPS Conference on Gravitation, Rome, Italy, February 2019 (Contribution talk)
- “Testing Theories of Gravity via Shadow Images of a Magnetized Accretion Flow onto a Black Hole”, 689. WE-Heraeus-Seminar on Accretion in Strong Gravity, Bad Honnef, Germany, February 2019 (Contribution talk)
2018
- “Testing Theories of Gravity via Black Hole Shadows”, Seminar, Albert Einstein Institute, Germany, November 2018 (INVITED)
- “Testing Theories of Gravity via Black Hole Shadows”, Seminar, Univ. of Sao Paulo, Brazil, August 2018 (INVITED)
- “Testing Theories of Gravity via BH Shadows and Modeling of Relativistic Jets”, IAU Symposium 342: Perseus in Sicily: from black hole to cluster outskirts, Noto, Italy, May 2018 (Contribution talk)
- “On The Present Ability to Test Theories of Gravity via Black-Hole Shadows”, DPG Spring Meeting 2018, Wurzburg, Germany, March 2018 (Contribution talk)
- “Update from EHT Theory & Simulation WG”, BHCam Face-to-Face meeting, MPIfR, Germany, March 2018
- “On The Present Ability to Test Theories of Gravity via Black Hole Shadows”, BHCam PS meeting, online meeting, January 2018
2017
- “Black Hole Cam project and Development of new 3DAMR-GRMHD code BHAC”, MHD Seminar, Kyoto Univ., Japan, March 2017
- “The Role of Magnetic Field for Relativistic Jets and Black Hole Accretion Disc”, Black Hole Astrophysics with VLBI: Past, Present and Future, Tokyo, Japan, March 2017 (Contribution talk)
- “Current Status & Future Work of WG2 -Theory”, BHCam Face-to-Face meeting, MPIfR, Germany, February 2017
2016
- “GRMHD Simulations in Alternative Theories of Gravity”, EHT Collaboration Meeting 2016, Cambridge, Massachusetts, USA, November-December 2016
- “Black Hole Cam project and Development of new 3DAMR-GRMHD code BHAC”, Gravitational Lensing and Black Hole Shadows Workshop, Aveiro, Portugal, November 2016 (INVITED)
- “2D GRMHD Simulations of Magnetized Torus in A Non-Rotating Dilaton Black Hole”, Splinter section: Physics of near the Event Horizon, Annual Meeting of the German Astronomical Society 2016 , Bochum, Germany, September 2016 (Contribution talk)
- “Magnetic Dissipation in Relativistic Jets”, Blazars though Sharp Multi-Wavelength Eyes, Malaga, Spain, June 2016 (Contribution talk)
- “Role of Magnetic Field for Stability in Relativistic jets”, Colloquium, University of Sao Paulo, Brazil, April 2016 (INVITED)
- “3D GRMHD Code: RAISHIN, lecture & hands-on”, Special lecture, University of Sao Paulo, Brazil, April 2016 (INVITED)
- “Current Status & Future Work of WG2 -Theory”, BHCam Face-to-Face meeting, MPIfR, Germany, February 2016
- “Role of Magnetic Field for Stability in Relativistic jets”, Seminar, CSIC-IAA, Spain, February 2016 (INVITED) [Youtube]
2015
- “Dynamics in Acceleration and Collimation Regions of Relativistic Jets in Black Hole Accretion Disk System”, Dissecting the Universe – Workshop on Results from High-Resolution VLBI, MPIfR, Germany, December 2015 (Contribution talk)
- “The Role of Magnetic Field for Instabilities in Relativistic Jets”, Relativistic Jets: Creation, Dynamics, and Internal Physics, Krakow, Poland, April 2015 (INVITED)
- “3DGRMHD code: RAISHIN”, Black Hole Cam Code Comparison Workshop, Goethe University Frankfurt, Germany, January 2015
- “Relativistic MHD Simulations of Relativistic Jets in Black Hole Systems”, Black Hole Cam Kick-off Meeting, MPIfR, Germany, January 2015
2014
- “Current-Driven Kink Instability in Magnetically Dominated Relativistic Jets”, Palavor, Goethe University Frankfurt, Germany, December 2014
- “Current-Driven Kink Instability in Magnetically Dominated Relativistic Jets”, Astroparticle Physics Seminar, DESY, Germany, December 2014
- “The Role of Magnetic field in Relativistic Jets and Shocks”, Final Lecture, Tsing-Hua University, Taiwan, China, September 2014
- “Magnetic Field Amplification and Saturation in Turbulence behind A Relativistic Shock”, IoA Colloquium, Tsing-Hua University, Taiwan, China, June 2014
- “Magnetic Field Amplification and Saturation in Turbulence behind A Relativistic Shock”, Colloquium, Taiwan Central University, Taiwan, China, June 2014 (INVITED)
- “Current-Driven Kink Instability in Magnetically Dominated Relativistic Jets”, 2014 ASROC Annual Meeting, Citou, Taiwan, China, May 2014 (Contribution talk)
- “Relativistic MHD simulations of relativistic jets”, Black Hole Cam Brain Streaming Workshop, Effelsberg, Germany, May 2014 (INVITED)
- “Magnetic Field Amplification and Saturation in Turbulence behind A Relativistic Shock”, ASIAA Colloquium, Academia Sinica Institute of Astronomy and Astrophysics, Taiwan, China, April 2014 (INVITED)
- “Relativistic Jets in the Universe”, Undergraduate Physics Colloquium III, Tsing-Hua University, Taiwan, China, April 2014
- “Current-Driven Kink Instability in Magnetically Dominated Relativistic Jets”,Plasma Seminar, Kyoto University, Japan, March 2014
- “Current-Driven Kink Instability in Magnetically Dominated Relativistic Jets”,OUTAP Colloquium, Osaka University, Japan, March 2014
- “Current-Driven Kink Instability in Magnetically Dominated Relativistic Jets”,Understanding Relativistic Jets by Polarimetry and Synergetic Study from Radio to TeV, Hiroshima, Japan, March 2014 (Contribution talk)
2013
- “Current-Driven Kink Instability in Relativistic Jets: The Influence of Jet Rotation”, Plasma Seminar, National Astronomical Observatory in Japan, Japan, November 2013
- “Current-Driven Kink Instability in Magnetically Dominated Rotating Relativistic Jet”, The Innermost Regions of Relativistic Jets and Their Magnetic Fields, Granada, Spain, June 2013 (Contribution talk)
- “The Role of the Equation of State in Resistive Relativistic Magnetohydrodynamics”, CompAS Seminar, Academia Sinica Institute of Astronomy and Astrophysics, Taiwan, China, March 2013
- “Current-Driven Kink Instability in Magnetically Dominated Relativistic Jets”, The 6th Workshop on Black Hole Magnetosphere, Tsing-Hua University, Taiwan, China, March 2013 (Contribution talk)
- “The Effect of Kink Instability in Relativistic Jets”, Colloquium, Tohoku University, Japan, January 2013
2012
- “Magnetic Field Amplification by Turbulence in A Relativistic Shock Propagating through An Inhomogeneous Medium”, 2012 ASROC Annual Meeting, Taitung University, Taiwan, China, May 2012 (Contribution talk)
- “Current-Driven Kink Instability in Magnetically Dominated Relativistic Jets”, Colloquium, Taiwan Central University, Taiwan, China, May 2012
- “Relaxation of Pulsar Wind Nebula via Current-Driven Kink Instability”, IoA Colloquium, Tsing-Hua University, Taiwan, China, March 2012
2011
- “The Current-Driven Kink Instability in Magnetically Dominated Relativistic Jets”, Waves and Instabilities in Space and Astrophysical Plasmas, Eilat, Israel, June 2011 (Contribution talk)
- “Stability of Magnetized Relativistic Jets”, IoA Colloquium, Tsing-Hua University, Taiwan, China, June 2011
- “The Effect of Kink Instability in Relativistic Jets”, Colloquium, Chiba University, Japan, April 2011
- “Relaxation of Pulsar Wind Nebula via Current-Driven Kink Instability”, Plasma Seminar, National Astronomical Observatory in Japan, Japan, April 2011
2010
- “The Current-Driven Kink Instability in Magnetically Dominated Relativistic Jets”, CSPAR Colloquium, University of Alabama in Huntsville, USA, October 2010
- “The Current-Driven Kink Instability in Magnetically Dominated Relativistic Jets”, Colloquium, Katholieke Universiteit Leuven, Bergium, Sepember 2010
- “Magnetic Field Amplification by Relativistic Shocks in Inhomogeneous Medium”, Advances in Plasma Astrophysics, Giardini Naxos, Italy, September 2010 (Contribution talk)
- “3D GRMHD code RAISHIN and Relativistic Jet Simulations”, CFD-MHD Seminar, Academia Sinica Institute of Astronomy and Astrophysics, Taiwan, China, March 2010
- “Stability of Magnetized Relativistic Jets”, ASIAA Colloquium, Academia Sinica Institute of Astronomy and Astrophysics, Taiwan, China, March 2010
- “Current-Driven Instability in Relativistic Jets”, Colloquium, University of Nevada, Las Vegas, USA, Feburary 2010
2009
- “The Effect of Kink Instability in Relativistic Jets”, Plasma Seminar, Kyoto Univeristy, Japan, December 2009
- “Magnetohydrodynamic Effects in Relativistic Ejecta”, High-Energy Phenomena in Relativistic Outflows II, Buenos Aires, Algentina, October 2009 (Contribution talk)
- “Stability of Magnetized Relativistic Jets”, Third 3CAS Meeting, University of Alabama in Huntsville, USA, August 2009 (Contribution talk)
2008
- “Relativistic MHD Simulations of Relativistic Jets”, LUTH Seminar, Observatoire de Paris-Meudon, April 2008
- “Stability of Magnetized Spine-Sheath Relativistic Jets”, Plasma Seminar, Kyoto University, April 2008
- “Relativistic MHD Simulations of Relativistic Jets”, NSSTC Colloquium, National Space Science and Techonology Center, USA, March 2008
- “3D RMHD Simulations of Magnetized Spine-Sheath Relativistic Jets”, Accretion and Outflow in Astrophysics, Kyoto, Japan, January 2008 (Contribution talk)
2007
- “3D RMHD Simulations of Magnetized Spine-Sheath Relativistic Jets”, Colloquium, University of Nevada, Las Vegas, December 2007
- “3D General Relativistic MHD Code RAISHIN”, Seminar, University of Nevada, Las Vegas, December 2007
- “Stability of Magnetized Spine-Sheath Relativistic Jets”, 2007 Fall ASJ Annual Meeting, Gifu University, Japan, September 2007
- “3D Relativistic MHD Simulations of Magnetized Spine-Sheath Relativistic Jets”,Extragalactic Jets, Girdwood, Alaska, USA, May 2007 (Contribution talk)
- “Relativistic MHD Simulations of Relativistic Jets with RAISHIN”, Colloquium, University of Alabama, Tuscaloosa, USA, February 2007
2006
- “GRMHD Simulations of Jet Formation with a Newly-Developed GRMHD Code”, VI Microquasar Workshop: Microquasars and Beyond, Como, Italy, September 2006 (Contribution talk)
- “Newly-Developed 3D GRMHD Code and its Application to Jet Formation”, NSSTC Colloquium, National Science and Technology Center, USA, September 2006
- “Newly-Developed 3D GRMHD Code and its Application to Jet Formation”, New Frontiers in Numerical Relativity, Golm, Germany, July 2006 (Contribution talk)
- “General Relativistic MHD Simulations of Jet Formations and Development of New General Relativistic MHD Code”, Colloquium, University of Nevada, Las Vegas, USA, April 2006
2005
- “General Relativistic MHD Simulations of Jet Production”, Relativistic Jets Conference, Ann Arbor, USA, December 2005 (Contribution talk)
- “General Relativistic Magnetohydrodynamic Simulations of Collapsar”, Ultra-Relativistic Jets in Astrophysics, Banff, Canada, July 2005 (Contribution talk)
- “General Relativistic Magnetohydrodynamic Simulations of Collapsar”, NSSTC Colloquium, National Space Science and Technology Center, USA, May 2005