Talks at International Conferences and Seminars
Plenary and Invited Talks
 2024 July 29Aug. 2, XLIV Dynamics Days Europe
Title: Onedimensional hydrodynamic PDE model of turbulent flow with the enstrophy cascade
Constructor Univ., Bremen, Gernmany (July. **), minisymposium, invited speaker
 2024 June 10June 14, Equadiff2024
Title: Onedimensional hydrodynamic PDE model of turbulent flow with the enstrophy cascade
Karlrstat Univ., Karlstat, Sweden (June 13), plenary speaker
 2024 Feb 21, Colloquium at Indian Instritute of Technology, Hyderabad
Title: Topological Flow Data Analysis (TFDA): theory and applications
IIT Hydrabad, Hydrabad, India (Feb. 21), invited speaker
 2024 Jan 8Jan 13, GEOTOPA International Conference  Applications of Geometry and Topology
Title: Topological Flow Data Analysis for Blood Flows inside a Heart
Universidad Autonoma de Yucatan, Merida, Mexico (Jan 8), invited speaker
 2023 Nov 19Nov 21, 76th Annual Meeting of the APS Division of Fluid Dynamics (APSDFD2023)
Title: Topological Flow Data Analysis for Blood Flows Inside a Heart
Walter E. Washington Convention Center, Washington DC, USA (Nov 21), invited speaker
 2023 July 24July 28, Complex analysis: techniques, applications and computations  perspevtives in 2023 (CAT04)
Title: Equilibrium states of vortex points and vortex sheets
Isaac Newton Institute, Cambridge, UK (July 27), invited speaker
 2023 July 4July 14 ANR Project Quantum Turbulence Exploration by High Performance Computating
Title: Onedimensional hydrodynamic PDE model of turbulent flow with the enstrophy cascade
Institut d'Etudes Scientifiques, Cargese, France (July 4), invited speaker
 2022 Sept. 1216 UKJapan Winter School Event: "Geometry, Stochastics and Dynamics"
Title: Topological flow data analysis  theory and recent applications
Imperial College London, UK (hybrid) (Sept 13), invited speaker
 2022 June 6Jume 8, The 1st International Symposium on Aihara Moonshot Project
Title: Topological Flow Data Analysis for Bllod Flows Inside a Heart
Virtual Online, Tokyo (June 6), invited speaker
 2020 Jan 20Jan 24, Workshop on "Mathematical Aspects of Geophysical Flows
Title: "Vortex Dynamics on Sphere  a survey"
Research Center Erwin Schrodinter International Institute for Mathematics and Physics (ESI), Univ. Vienna, Austria, invited speaker.
 2019 Oct 28Nov 1, Complex analysis in mathematical physics and applications
Title: Vortex dynamics on the surface of a torus
Isaac Newton Institute, Cambridge, UK, invited speaker.
 2019 Apr. 1519, Workshop on Scientific Computing Across Scales: Extreme Events and Criticality in Fluid Mechanics
Title: Mathematical models of cascading phenomena in turbulence
The Fields Institute, Toronto, Canada, invited speaker.
 2019 Jan. 711, Workshop on Applied Topology (WAT2019)
Title: Classification of 2D Hamiltonian vector fields and topological flow data analysis : theory, computation and applications
Kyoto Univ., Kyoto, Japan, plenary speaker
 2018. Dec. 26, Mathematics of Fluid Motion II: Theory and Computation
Title: "Control of vortex dominated flows through vortex dynamics"
KIAS, Seoul, Korea, invited speaker, Dec. 2628.
 2018 Nov. 24,
TaiwanJapan Joint Workshop on Numerical Analysis and Scientific Computation
Title: "Control of vortex dominated flows through vortex dynamics"
NCTS, Nat. Taiwan University, Taipei, plenary speaker, Nov. 2426.
 2017 July, Expert Exchange on MicroPressure Waves
Title:"Mathematical research on MicroPressure Waves"
Technical Research Institute (RTRI), July 18, invited speaker .
 2016 June, The 11th East Asia SIAM Conference
Title: "Dissipative vortex collapse and time's arrow"
University of Macau, Macau, China, June 2022, invited speaker.
 2016 Mar., A3 Miniworkshop on Soft Matter
Title: "Mathematical modeling and topological characterizations for 2D incompressible flows across the Reynolds number"
Beihang University, Beijing, China, Mar. 2325, invited speaker.
 2016 Feb.24, Kyoto University Winter School 2016 "From Materials to Life: Multidisciplinary Challenges"
Title: "Across Reynolds numbers: mathematical modeling and topological pattern characterization for 2D incompressible flows"
Kyoto University, Kyoto, Japan, Feb. 1426, invited lecturer.
 2016 Jan 25, Advanced Computing and Theoretical Fluid Mechanics
Title: "Mathematical models of anomalous enstrophy dissipation and enstrophy cascade in 2D turbulence"
The Fields Institute, Tronto, Canada, Jan. 2529, invited speaker.
 2015 Nov 27, Second Joint Workshop of A3 Foresight Program
Title: "Mathematical modeling of incompressible flows; Recent developments in applied and computational complex analysis"
Xiamen, China, Nov. 2629, invited speaker.
 2014 Nov, The 8th CRESTSBM International Conference:
International Conference on Mathematical Fluid Dynamics, Present and Future
Title: "On point vortexalpha system and vortex collapse with enstrophy dissipation",
Tokyo, Japan, Nov. 1114, invited speaker
 2014 Sep. The 6th EuroJapanese Workshop on Blowup,
Title: "Anomalous enstrophy dissipation and 2D vortex collapse",
Tokyo, Japan, Sep. 15, invited speaker
 2014 Mar. 5, 2014 JapanTaiwan Joint Workshop on Numerical Analysis and Scientific Computation,
Title: "Mathematical and Computational Theory for Inviscid and Incompresible Flows in Multiply Connected Domains",
Kyoto, Japan, April 56, invited speaker
 2014 Mar. 5, The 2nd International Conference on
Mathematical Theory of Turbulence via Harmonic Analysis and Computational Fluid Dynamics,
Title: "Anomalous enstrophy dissipation via triple collapse of 2D point vortices",
Nara, Japan, Mar. 35, invited speaker
 2013 Sep., 2013 Northeastern Asian Symposium on Methods and Modeling for High Performance Scientific Computing,
Title: "Mathematical and numerical studies of vortexboundary interactions  theory and applications",
Chengdu, China, Sep. 2324, invited speaker
 2012 Sep.11, International Innovation Workshop on Off Shore Tsunami Energy Dissipation and Peak Height Alleviation,
Title: "Towards a mathematical study of offshore tsunami dynamics with vortexboundary interactions",
Tohoku Univ., Sendai, Japan, Sep. 1012, Plenary speaker
 2012 Aug. , 4th ChinaJapanKorea Conference on Numerical Mathematics,
Title: "Point Vortex Dynamics in Multiply Connected Domains  Theory and Applications",
Ohtsu, Japan, Aug. 2528, Invited speaker
 2011 Dec. 13, NIMS Hot Topic Workshop on Fluid Dynamics: Vortex Dynamics, Biofluids and Related Fields,
Title: "Forceenhancing vortex equilibria for two plates in uniform flow",
NIMS, Daejong, South Korea, Dec. 1214, Invited speaker
 2011 Dec. 7, Emerging Topics on Differential Equations and their Applications  SinoJapan Conference of Young Mathematicians,
Title: "Enstrophy dissipation in Euleralpha point vortices via triple collapse",
Nankai University, Tianjin, China, Dec. 59, Invited speaker
 2011 Sept. 24, International conference on fluid and gas dynamics,
Title: "Point vortex dynamics in multiply connected domains and its applications",
Zhejiang Normal University, Jinhua, China,
Sept. 2327, Invited speaker
 2009 Nov. 1214 JST 日米先端工学シンポジウム(JAFoE)招待討議者
 2008 June 2426, Analytical and Computational Fluid Dynamics (vortex flows, biological systems and
related topics),
ChungAng University, Seoul, Korea, Invited speaker
 2007 Feb. 24, TaiwanJapan Joint Workshop on Inverse Problem ,
Title: "Topological structure of periodic orbits in the integrable fourvortex motion on sphere",
Academia Sincia, Taipei, Invited speaker
List of all talks
 2024
 2024 Jan 8Jan 13, GEOTOPA International Conference  Applications of Geometry and Topology
Title: Topological Flow Data Analysis for Blood Flows inside a Heart
Universidad Autonoma de Yucatan, Merida, Mexico (Jan 8), invited speaker
 2024 Feb 2021, ACCA India/Japan Workshop
Title: Analytic models of nematic cell alignment
IIT Hydrabad, Hydrabad, India (Feb. 21)
 2024 Feb 21, Colloquium at Indian Instritute of Technology, Hyderabad
Title: Topological Flow Data Analysis (TFDA): theory and applications
IIT Hydrabad, Hydrabad, India (Feb. 21), invited speaker
 2024 June 10June 14, Equadiff2024
Title: Onedimensional hydrodynamic PDE model of turbulent flow with the enstrophy cascade
Karlstad Univ., Karlstad, Sweden (June 13), plenary speaker
 2024 June 10June 14, Equadiff2024
Title: Topological Flow Data Analysis for Blood Flows Inside a Heart
Karlstad Univ., Karlstad, Sweden (June **)
 2024 July 29Aug. 2, XLIV Dynamics Days Europe
Title: Onedimensional hydrodynamic PDE model of turbulent flow with the enstrophy cascade
Constructor Univ., Bremen, Gernmany (July. **), minisymposium, invited speaker
 2024 Aug 25Aug 30, The 26th International Congress of Theoretical and Applied Mechanics (ICTAM2024)
Title: Capturing the dynamics of topological vortex structures in the left ventricle of the heart
EXCO, Daegu, Korea (Aug *)
 2023
 March 13March 15, Analysis of fluid dynamical PDEs
Title: Generalized ConstantinLaxMajda equation under a random forcing as a onedimensional model of turbulence, RIMS, Kyoto (Mar. 15)
 May 13May 18, SIAM DS23 OS:Vortex Dynamics Meets Dynamical Systems: Theory, Application and Computation
Title: Vortex crystals on the surface of a curved torus, Portland, OR, USA (May 15)
 2023 July 4July 14 ANR Project Quantum Turbulence Exploration by High Performance Computating
Title: Onedimensional hydrodynamic PDE model of turbulent flow with the enstrophy cascade, Cargese, France (July 4)
 July 24July 28, Complex analysis: techniques, applications and computations  perspevtives in 2023 (CAT04)
Title: Equilibrium states of vortex points and vortex sheets, Cambridge, UK (July 27)
 Aug. 20Aug. 25, ICIAM2023 MS:Problems in incompressible fluid flows: Stability, Singularity, and Extreme Behavior
Title: A model of turbulent flows based on a random ConstantinLaxMajdaDeGregorio equation (Aug. 21)
 Aug. 20Aug. 25, ICIAM2023 MS:Frontiers of Collaboration with Industry: Succeeding through Failure
Title: Interdisciplinary research using Topological Flow Data Analysis through Math Clinic (Aug. 23)
 Nov. 19Nov. 21, 76th Annual Meeting of the APS Division of Fluid Dynamics (APSDFD2023)
Title: Topological Flow Data Analysis for Blood Flows Inside a Heart
, Washington DC, USA (Nov.21)
 2022
 June 6Jume 8, The 1st International Symposium on Aihara Moonshot Project
Title: Topological Flow Data Analysis for Bllod Flows Insider a Heart, Virtual Online, Tokyo (June 6)
 Sept. 1216 UKJapan Winter School Event: "Geometry, Stochastics and Dynamics"
Title: Topological flow data analysis  theory and recent applications, Imperial College London, UK (hybrid) (Sept 13)
 2021
 2021 Dec 13, Forschungsseminar at Techinsche Universitat Dresden
Title: Exact solution to a Lioville equation on a curved torus and quantized point vortex equilibria, Virtual Online, Dresden
 2020
 2020 Nov 22Nov 25, Americal Physical Society 73rd Annual DFD Meeting 2020 (APSDFD2020)
Title: Topological flow data analysis (TFDA) For identification of atmospheric bblockings, Virtual Online, Chicago.
 2020 Sep 28Oct 1, Spacetime topology behind formation of micromacro magnetovortical structure manifested by Nambu mechanics
Title: Vortex dynamics on the surface of a torus, OCAMI, OsakaCity Univ. Osaka, Japan.
structure manifested by Nambu mechanics
 2020 Jan 20Jan 24, Workshop on "Mathematical Aspects of Geophysical Flows
Title: "Vortex Dynamics on Sphere  a survey",
Research Center Erwin Schrodinter International Institute for Mathematics and Physics (ESI), Univ. Vienna, Austria, invited speaker.
 2019
 2019 Nov 29, Analysis Seminar
Title: Vortex dynamics on the surface of a torus", the University of Reading, Reading, UK
 2019 Nov 26, American Physical Society 72nd Annual DFD Meeting 2019 (APSDFD2019)
Title: "Topological Flow Data Analysis Part 1 Theory and Applications", Washington Convention Center, Seattle, USA
 2019 Nov 5, Applied and Interdisciplinary Mathematics Seminar
Title: "Topological Flow Data Analysis  Theory and Applications", Univ. of Bath, Bath, UK
 2019 Nov 1, Complex analysis in mathematical physics and applications
Title: "Vortex dynamics on the surface of a torus", Isaac Newton Institute, Cambridge, UK
 2019 Oct 23, Applied Math Seminar at the Univ. of Sheffield
Title: "Topological Flow Data Analysis  Theory and Applications", Univ. Sheffiled, Sheffield, UK
 2019 July 17, International Congress of Industrial and Applied Mathematics (ICIAM2019)
Minisymposium "Control and Estimation Problems in Fluid Mechanics and Fields"
Title: "Linear feedback stabilization of point vortex equilibria near a Kasper Wing", Valencia, Spain
 2019 July 17, International Congress of Industrial and Applied Mathematics (ICIAM2019)
Minisymposium "Geometry and topology in mass and fluid dynamics"
Title: "Vortex dynamics on the surface of a torus", Valencia, Spain
 2019 July 11, SIAM Conference on Applied Algebraic Geometry, Minisymposium "From algebraic geometry t geometric topology: crossroads on applications"
Title: "Classification of Streamline Topologies for Hamiltonian vector fields and its applications to Topological Flow Data Analysis", Univ. of Bern, Bern, Switzerland.
 2019 April 1519, Workshop on Scientific Computing Across Scales: Extreme Events and Criticality in Fluid Mechanics
Title: "Mathematical models of cascading phenomena in turbulence", The Fields Institute in Toronto, Canada invited speaker.
 2019 Feb. 8, Applied Interdisciplinary Mathematics (AIM) Seminar
Title: "Vortex dynamics on the surface of a torus", Univ. of Michigan, Ann Arbor, US.
 2019 Jan. 8, Jan 11, Workshop on Applied Topology (WAT2019)
Title: "Classification of 2D Hamiltonian vector fields and topological flow data analysis : theory, computation and applications",
Kyoto Univ., Kyoto, Japan, plenary speaker.
 2018
 2018 Sep. 3, Applied Math Seminar
Title: "Onedimensional Hydrodynamic model for turbulence with cascade and singular solutions", The Univ of Manchester, Manchester, UK.
 2018 Nov. 23, Seminar on Applied Mathematics
Title: "Onedimensional Hydrodynamic PDE model for a cascading turbulent phenomenon", Inst. of Math. Academia Sinica, NCTS, Taiwan.
 2018 Nov. 24,
TaiwanJapan Joint Workshop on Numerical Analysis and Scientific Computation
Title: "Control of vortex dominated flows through vortex dynamics"
NCTS, Nat. Taiwan University, Taipei.
 2018. Dec. 26, Mathematics of Fluid Motion II: Theory and Computation
Title: "Control of vortex dominated flows through vortex dynamics", KIAS, Seoul, Korea.
 2017
 2017 Feb. 9, ANZIAM 2017 Annual Meeting
Title: "Point vortex dynamics on a toroidal surface", Hahndorff, Australia, Feb. 59.
 2017 Feb. 10,QUT SMS Seminar
Title: "Turbulence and topology: recent explorations in mathematical fluid mechanics", Queensland University of Technology, Brisbane, Australia.
 2017 Mar. 13, The 3rd ACCAUK/JP workshop
Title: "Point vortex dynamics on a toroidal surface", Imperial College London, London, United Kingdom.
 2017 Mar. 16, Seminar at Technical University Dresden
Title: "Point vortex dynamics on the surface of a torus", Technical University Dresden, Dresden, Germany.
 2017 June. 25, Seminar at School of Mathematical Science, Peking University
Title: "Recent topics in mathematical fluid mechanics from turbulence model to topological fluid dynamics", Peking University, Beijing, China.
 2017 July 18, Expert Exchange on MicroPressure Waves
Title:"Mathematical research on MicroPressure Waves",Technical Research Institute (RTRI), July 18, invited speaker.
 2017 Aug 25, Seminar at Hong Kong University of Science and Technology
Title: "Onedimensional hydrodynamics model for turbulence with cascades and singular solutions", HKUST, Hong Kong, China, Aug. 25.
 2017 Oct 1315, A3 foresight program
Title: "Stability of barotropic vortex strip on a rotating sphere", Quingtao, China, Oct 1315.
 2017 Nov 13, The 14th International Conference on Flow Dynamics
Title: "Onedimensional Hydrodynamic PDE Model for Turbulence with Cascade and Singular Solutions", Sendai International Center, Sendai, Japan, Nov. 13
 2017 Nov 1922, The 70th Annual Meeting of the American Physical Society Division of Fluid Dynamics
Title: "Onedimensional hydrodynamic equation generating turbulent scaling laws and selfsimilar singular solutions", Denver, USA, Nov. 1922.
 2017 Nov 1922, The 70th Annual Meeting of the American Physical Society Division of Fluid Dynamics
Title: "Point vortex dynamics on a toroidal surface", Denver, USA, Nov. 1922.
2016
 2016 Jan. 17, Naruto Workshop on Vortex Dynamics
Title: "Hydrodynamic one dimensional model for enstrophycascade turbulence", Hotel AdIn Naruto, Naruto, Japan, Jan. 1517.
 2016 Jan. 25, Advanced Computing and Theoretical Fluid Mechanics
Title: "Mathematical models of anomalous enstrophy dissipation and enstrophy cascade in 2D turbulence", The Fields Institute, Tronto, Canada, Jan. 2529, invited speaker.
 2016 Feb. 12, Colloquium of Mathematics at McMaster Univ.
Title: "Towards a mathematical theory of turbulence: a survey and a model study", McMaster University, Hamilton, Canada.
 2016 Feb. 24, Kyoto University Winter School 2016 "From Materials to Life: Multidisciplinary Challenges"
Title: "Across Reynolds numbers: mathematical modeling and topological pattern characterization for 2D incompressible flows", Kyoto University, Kyoto, Japan, Feb. 1426.
 2016 Mar. 16, Applied Mathematics Seminar at Stanford Univ.
Title: "Dissipative weak solutions and vortex dynamics: a survey and model study", Stanford University, Palo Alto, USA.
 2016 Mar. , A3 Miniworkshop on Soft Matter
Title: "Mathematical modeling and topological characterizations for 2D incompressible flows across the Reynolds number", Beihang University, Beijing, China, Mar. 2325.
 2016 June, The 11th East Asia SIAM Conference
Title: "Dissipative vortex collapse and time's arrow", University of Macau, Macau, China, June 2022, invited speaker.
 2016 July, AIMS Conference, MiniSymposium "Vortex Dynamics and Geometry: Analysis, Computations and Applications"
Title: "Words and Trees: Symbolic Classifications of Streamline Topologies for 2D Incompressible Vortex Flows", Hyatt Regency Orland, Orlando, USA, July 15.
 2016 August 26, Seminars at Nonlinear PDE Center, ChungAng Univ.
Title: "One dimensional hydrodynamic model generating turbulent cascade", ChungAng University, Korea.
 2015
 2015 Jan. 15, Modern Applications of Complex Variables: Modeling, Theory and Computations
Title: "Entrapment of force enhancing vortex equilibria in the vicinity of a Kasper Wing", Banff International Research Station, Banff, Canada Jan. 1216.
 2015 Aug. 10, International Congress of Industrial and Applied Mathematics 2015 (ICIAM2015)
Minisimposium: Extreme Behavior in Flow Models: Analysis and Computations
Title: "On the generalized nonviscous/viscous DeGregorio equation  singular solutions and statistical properties", Beijing, China, Aug.1015.
 2015 Nov. 24, American Physical Society 68th Annual DFD Meeting (APSDFD2015)
Title: "Classification and transitions of streamline topologies of structurally stable incompressible flows", Boston, USA, Nov.2224
 2015 Nov. 27, Second Joint Workshop of A3 Foresight Program
Title: "Mathematical modeling of incompressible flows; Recent developments in applied and computational complex analysis", Xiamen, China, Nov. 2629
 2014
 2014 Jan. 21, East Asian Core Doctoral Forum on Mathematics, The First Meeting
Title: "Mathematical theory of potential flows in multiply connected domains", Kyoto, Japan, Jan. 2124.
 2014 Mar. 5, The 2nd International Conference on
Mathematical Theory of Turbulence via Harmonic Analysis and Computational Fluid Dynamics
Title: "Anomalous enstrophy dissipation via triple collapse of 2D point vortices", Nara, Japan, Mar. 35, invited speaker
 2014 Mar. 12, Fundamental Aspect of Geophysical Turbulence
Title: "Dissipative weak solutions to Euler's equations and vortex collapse", Nagoya, Japan, Mar. 1012.
 2014 Apr. 5, 2014 JapanTaiwan Joint Workshop on Numerical Analysis and Scientific Computation
Title: "Mathematical and Computational Theory for Inviscid and Incompresible Flows in Multiply Connected Domains", Kyoto, Japan, April 56.
 2014 Jul. 10, 2014 SIAM Annual Meeting, Minisymposium on Application to topological ideas for understanding complex dynamics
Title: "Word representations of structurally stable Hamiltonian flows in multiply connected domains and its applications", Chicago, USA, July 711.
 2014 Sep. 1, The 6th EuroJapanese Workshop on Blowup
Title: "Anomalous enstrophy dissipation and 2D vortex collapse", Tokyo, Japan, Sep. 15.
 2014 Nov 13, The 8th CRESTSBM International Conference:
International Conference on Mathematical Fluid Dynamics, Present and Future
Title: "On point vortex$\alpha$ system and vortex collapse with enstrophy dissipation", Tokyo, Japan, Nov. 1114.
 2014 Nov, 21, 1st joint conference of A3 foresight program, Mathematics of Fluid Dynamics and Material Science
Title: "Topics in mathematical and theoretical fluid dynamics", Jeju, Korea, Nov. 2113.
 2013
 2013 Mar. 11 IUTAM Symposium on Vortex Dynamics: formation, structure and function
Title: "Streamline topologies for structurally stable vortex flows in multiply connected domains and their word representations", Fukuoka, Japan, Mar. 1014.
 2013 July 1 Pacific RIM Conference on Mathematics 2013 (The 5th CRESTSBM)
Title: "Encoding of streamline topologies for incompressible vortex flows in 2D multiply connected domains", Sapporo, Japan, July. 12.
 2013 Sep., 2013 Northeastern Asian Symposium on Methods and Modeling for High Performance Scientific Computing
Title: "Mathematical and numerical studies of vortexboundary interactions  theory and applications", Chengdu, China, Sep. 2325.
 2012
 2012 Aug. The 23rd International Congress of Theoretical and Applied Mechanics
Title: "Singular limit evolutions of Euleralpha point vortices", Beijing, China, Aug. 1924. (Cancelled)
 2012 Aug. 4th ChinaJapanKorea Conference on Numerical Mathematics
Title: "Point Vortex Dynamics in Multiply Connected Domains  Theory and Applications", Ohtsu, Japan, Aug. 2528.
 2012 Sep. 11 International Innovation Workshop on Off Shore Tsunami
Energy Dissipation and Peak Height Alleviation
Title: "Towards a mathematical study of offshore tsunami dynamics with vortexboundary interactions", Tohoku Univ., Sendai, Japan, Sept. 1012.
 2012 Sep. 20 Ninth International Conference on Flow Dynamics
Title: "Classification of Streamline Topologies for Structurally Stable Vortex Flows in Multiply Connected Domains", Sendai, Japan, Sep. 1921.
 2011
 Far From Equilibrium Dynamics (FFED11)
Title: "Point vortex dynamics in multiply connected domains", Kyoto University, Kyoto, Japan, Jan. 7th.
 The 7th East Asia SIAM Conference (EASIAM2011)
Title: "Point vortex equilibria enhancing forces over two parallel plates", Waseda University, KitaKyushu, June 29th
 International conference on fluid and gas dynamics
Title: "Point vortex dynamics in multiply connected domains and its applications", Zhejiang Normal University, Jinhua, China,
Sept. 2327.
 Emerging Topics on Differential Equations and their Applications  SinoJapan Conference of Young Mathematicians
Title: "Enstrophy dissipation in Euleralpha point vortices via triple collapse", Nankai University, Tianjin, China, Dec. 59.
 NIMS Hot Topic Workshop on Fluid Dynamics:
Vortex Dynamics, Biofluids and Related Fields
Title: "Forceenhancing vortex equilibria for two plates in uniform flow", NIMS, Daejong, South Korea, Dec. 1214.
 2008
 2007

TaiwanJapan Joint Workshop on Inverse Problem ,
Title: "Topological structure of periodic orbits in the integrable fourvortex motion on sphere"
Academia Sinica, Taipei, Feb. 24th.
 SIAM Conference on Applications of Dynamical Systems (SIAM DS07)
Title: "Motion of NVortex Points in Ring Formation on a Rotating Sphere"
Salt Lake City, Utah, USA, May 27June 1st.
 Euler Equations: 250 Years On (EE250)
Title: "Chaotic motion of ring configuration of Nvortex points on sphere."
Aussois, France, June 1823rd.
 International Conference on Industrial and Applied Mathematics (ICIAM07)
Title: "Motion of integrable fourvortex points on sphere with zero moment of vorticity"
Zurich, Switzerland, July 1620th.
 Solution of Partial Differential Equations on the Sphere
Title: "A fast treecode algorithm for pointvortex interactions on a sphere"
Exeter, United Kingdom, Sep. 2427th.
 The 3rd East Asia SIAM Conference
Title: "A chaotic motion in the Nvortex problem on sphere  Hamiltonian systems with saddlecenter equilibria"
Xiamen, China, Nov. 15th.
 2006
 2005
 2004
 USJapan Workshop on Dynamics and Computation
Title "Transition of global behavior of polygonal ring of identical
vortex points on sphere with pole vortices.",
Shonan International Village Japan, Mar. 812.

The 2004 Workshop on the Solution of Partial Differential
Equations on the Sphere
Title "Motion of a vortex sheet on a sphere with a background global flow",
Miyoshi Memorial Auditorium, Yokohama institute of Earth Sciences
Japan, July 2023rd.
 The 7th JapanChina Joint Seminar on Numerical Mathematics
Title "Long Time Evolution of a Vortex Sheet on a Sphere with pole
vortices",
Zhangjiajie National Forest Park, Hunan Province China, August 1620th.
 International Union of Theoretical and Applied Mechanics (IUTAM2004),
"Elementary Vortices and Coherent StructuresSignificance of Turbulent Dynamics"
Title "Motion of Unstable Polygonal Ring of Vortex Points on Sphere with
Pole Vortices",
Kyoto Japan, October 2528th.
 2003
 International Conference on Industrial and Applied Mathematics (ICIAM2003)
Title "Blowup solutions of the ConstantinLaxMajda equation with a
generalized viscosity term",
Sydney Australia, Jul. 711.
 2002
 The 6th JapanChina Joint Seminar on Numerical Mathematics
Title "Singularity formation along vortex line in an axisymmetric,
swirling vortex sheet ",
Tsukuba University Japan, Aug. 59.
 2001
 2nd International Conference on Vortex Method. (ICVM01)
Title "A motion of twodimensional vortex sheet and a model spiral"
Istanbul Tech. University Turkey, Sep. 2628th.
 1999
 International Conference on Industrial and Applied Mathematics. ICIAM99
Title "Numerical computations of a threedimensional vortex sheet with a swirl flow"
Edinburgh University Scotland, July 510th.
 12nd International Conference on Domain Decomposition Method. (DDM12)
Title "Numerical computations of twodimensional vortex sheet on beta plane."
Chiba University Japan, Oct. 2529th.
 1st International Conference on Vortex Method. (Vortex method 99)
Title "Numerical computations of a threedimensional vortex sheet with a swirl flow"
Kobe University Japan, Nov. 46th.
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