CURRICULUM VITAE

Julian Andrzej Domaradzki
 

EDUCATION


Ph.D.            1978     University of Warsaw, Department of
                                 Physics, Institute of Theoretical Physics,
M.S.             1974     Warsaw, Poland

PROFESSIONAL AND TEACHING EXPERIENCE


1997-present Professor, University of Southern California, Aerospace and Mechanical Engineering, Los Angeles, California
2001 Visiting Professor, Eidgenossische Technische Hochschule (ETH), Zurich, Switzerland
2001 Visiting Professor, Tokyo Institute of Technology, Tokyo, Japan
1991-1997 Associate Professor, University of Southern California, Aerospace Engineering, Los Angeles, California
1993 Visiting Scientist, German Aerospace Establishment, Goettingen, Germany
1987-1991 Assistant Professor, University of Southern California, Aerospace Engineering, Los Angeles, California
1984-1986 Research Scientist, Flow Industries, Inc., Research and Technology Division, Kent, Washington
1983-1984 Postdoctoral Associate, Massachusetts Institute of Technology, Applied Mathematics, Cambridge, Massachusetts
1981-1983 Visiting Research Staff Member, Princeton University, Geophysical Fluid Dynamics Program, Princeton, New Jersey
1980-1981 Alexander von Humboldt Fellow, University of Essen, Department of Physics, Essen, Germany
1978-1980 Assistant Professor, University of Warsaw, Institute of Geophysics, Warsaw, Poland
Membership in Scientific Societies
Reviewer
Selected Courses Taught
Ph.D. Theses Supervised


Academic Honors

2000             Invitation Research Fellowship, Japan Society for the Promotion of Science
1992             Alexander von Humboldt Research Award for Senior U.S.Scientists
1991             Northrop Faculty Research Award
1980             Alexander von Humboldt Fellowship


Research Areas


SCIENTIFIC CONTRIBUTIONS

  1. J.A. Domaradzki, Z. Xiao, P.K. Smolarkiewicz, ``Effective eddy viscosities in implicit modeling of turbulent flows", Phys. Fluids   15 , 3890—3893 (2003).
  2. J.A. Domaradzki and S. Radhakrishnan, ``Subgrid-Scale Modeling of Turbulent Convection Using Truncated Navier-Stokes Dynamics'',  ASME J. Fluids Eng. 124, 823--828 (2002)
  3. J.A. Domaradzki and N.A. Adams, ``Direct Modeling of Subgrid Scales of Turbulence in Large Eddy Simulations'', J. Turbulence  (2002).
  4. J.A. Domaradzki, K.C. Loh, P.P. Yee, `` Large Eddy Simulations Using the Subgrid-Scale Estimation Model and Truncated Navier-Stokes Equations'', Theor. Comput. Fluid Dyn.  15, 421-450 (2002).
  5. T. Dubois and J.A. Domaradzki, A. Honein, ``The Subgrid-Scale Estimation Model Applied to Large Eddy Simulations of Compressible Turbulence'',  Phys. Fluids 14, 1781-1801 (2002).
  6. X. Yang and J.A. Domaradzki, ``Truncated Navier-Stokes Equations Applied to High Reynolds Number Turbulence'',  Bull. Am. Phys. Soc. 47, 60 (2002).
  7. J.A. Domaradzki, Z. Xiao, and P.K. Smolarkiewicz ``Effective Eddy Viscosities in Implicit Modeling of High Reynolds Number Flows'',
    Bull. Am. Phys. Soc. 47, 60 (2002).
  8. P. Diamessis and J.A. Domaradzki, ``Large Eddy Simulation of the Stratified Turbulent Wake of a Towed Sphere'',
    Bull. Am. Phys. Soc. 47, 161 (2002).
  9. J.A. Domaradzki and K. Horiuti, ``Similarity Modeling on an Expanded Mesh Applied to Rotating Turbulence'', Phys. Fluids 13, 3510-3512 (2001).
  10.  P.P. Yee and J.A. Domaradzki, ``The Subgrid-Scale Estimation Model for Decaying Isotropic Turbulence'', ERCOFTAC Bulletin No. 48 , 13 (2001).
  11. D.D. Holm, J.A. Domaradzki, ``Navier-Stokes alpha model: LES equations with nonlinear dispersion'', ERCOFTAC Bulletin No. 48, 22 (2001).
  12. P.P. Yee, J.A. Domaradzki, ``The subgrid-scale estimation model for decaying isotropic turbulence'', in Modern Simulation
    strategies for Turbulent Flow
    , (B.J. Geurts, ed.), R.T. Edwards, Inc., Philadelphia, 2001.
  13. D.D. Holm, J.A. Domaradzki, ``Navier-Stokes alpha model: LES equations with nonlinear dispersion'', in Modern Simulation
    strategies for Turbulent Flow
    , (B.J. Geurts, ed.), R.T. Edwards, Inc., Philadelphia, 2001.
  14. J.A. Domaradzki, K.-C. Loh, P.P. Yee, ``Large Eddy Simulations using the Subgrid-Scale Estimation Model and Truncated Navier-Stokes Dynamics'', in Proceedings of  Direct and Large Eddy Simulation IV, (B.J. Geurts, R. Friedrich, and O. Metais, eds.), ERCOFTAC Series  8 , Kluwer Academic Publishers, Dordrecht, 2001.
  15. J.A. Domaradzki and K. Horiuti, ``Similarity Modeling on an Expanded Mesh Applied to Rotating Turbulence'', Bull. Am. Phys. Soc.
    46, 42 (2001).
  16.  D. Bogucki, X. Yang, S. Radhakrishnan, and J.A. Domaradzki, ``Comparison of LES and DNS Simulations for the Late Stratified Wake'', Bull. Am. Phys. Soc. 46, 42 (2001).
  17.  J.A. Domaradzki and P.P. Yee, ``The Subgrid-Scale Estimation Model for High Reynolds Number Turbulence'', Phys. Fluids 12 , 193-196 (2000).
  18. S.J. Kimmel and J.A. Domaradzki, ``Large Eddy Simulations of Rayleigh-Benard Convection Using Subgrid Scale Estimation Model", Phys. Fluids 12, 169-184 (2000).
  19. J.A. Domaradzki, K.-C. Loh, P.P. Yee, ``Truncated Navier-Stokes dynamics as a tool for large eddy simulation'',  Bull. Am. Phys. Soc. 44, 85 (2000).
  20. P.P. Yee, J.A. Domaradzki, ``LES of decaying turbulence using the estimation model and truncated Navier-Stokes dynamics'', Bull. Am. Phys. Soc. 45, 85 (2000).
  21. D.D. Holm, J.A. Domaradzki, ``Navier-Stokes alpha model: LES equations with nonlinear dispersion'', Bull. Am. Phys. Soc. 45, 85 (2000).
  22.  K.C. Loh and J.A. Domaradzki, ``The Subgrid-Scale Estimation Model on Non-Uniform Grids", Phys. Fluids  11, 3786-3792 (1999).
  23.  J.A. Domaradzki and K.C. Loh, ``The Subgrid-Scale Estimation Model in the Physical Space Representation", Phys. Fluids 11 ,
    2330-2342 (1999).
  24. J.A. Domaradzki, ``The Subgrid-Scale Estimation Model'', in Recent Advances in DNS and LES, (D. Knight and L. Sakell, eds.),
    Kluwer Academic Publishers, Dordrecht, 121-131 (1999).
  25. D.J. Bogucki, R.E. Ecke, J.A. Domaradzki, R.C. Truman, ``Optical measurement of temperature dissipation rates'', Bull. Am. Phys. Soc.   44, 56 (1999).
  26. J.A. Domaradzki, P.P. Yee, ``Large eddy simulation using the subgrid scale estimation model and truncated Navier-Stokes dynamics'',
    Bull. Am. Phys. Soc.  44, 153 (1999).
  27. D.J. Bogucki, R.E. Ecke, L.C. Truman, and J.A. Domaradzki, ``Near-Forward Light Scattering on Oceanic Turbulence and Particulates: An Experimental Comparison", International Conference on Ocean Optics, Society of Photo-Optical Instrumentation Engineers (SPIE), Hawaii (1998).
  28. K.C. Loh and J.A. Domaradzki, ``The Subgrid-Scale Estimation Model in the Physical Space Representation", Bull. Am. Phys. Soc.  43, 2032 (1998).
  29. J.A. Domaradzki, T. Dubois, and A. Honein ``The Subgrid-Scale Estimation  Model for Compressible Turbulence", Bull. Am. Phys. Soc.  43, 2032 (1998).
  30. S.J. Kimmel and J.A. Domaradzki, ``Large Eddy Simulations of Rayleigh-Benard Convection Using Subgrid Scale Estimation Model", Bull. Am. Phys. Soc. 43, 2073 (1998).
  31. J.A. Domaradzki, T. Dubois, and A. Honein ``The Subgrid-Scale Estimation Model Applied to Large Eddy Simulations of CompressibleTurbulence", Proceedings of NASA Ames/Stanford Center for Turbulence Research, 1998 Summer Program,  (1998).
  32. D. Bogucki, J.A. Domaradzki, D. Stramski, and R. Zaneveld, ``Comparison of Near-Forward Light Scattering on Oceanic Turbulence and Particles", Appl. Optics  37, 4669-4677 (1998).
  33. J.A. Domaradzki, P.K. Yeung, and Y. Zhou, ``A Velocity Estimation Model for Large Eddy Simulations", in Advances in DNS/LES,  (C. Liu and Z. Liu, L. Sakell, eds.), Greyden Press, Columbus, 349-356 (1997).
  34. J.A. Domaradzki, E.M. Saiki, ``Backscatter Models for Large Eddy Simulations", Theor. Computational Fluid Dyn. 9, 75-83 (1997).
  35. D.J. Bogucki, J.A. Domaradzki, and P.K. Yeung, ``Direct Numerical Simulations of Passive Scalars with Pr > 1 ; Advected by Turbulent Flow", J. Fluid Mech. 343, 111-130 (1997).
  36.  J.A. Domaradzki and E.M. Saiki, ``A Subgrid-Scale Model Based on the Estimation of Unresolved Scales of Turbulence", Phys. Fluids 9, 2148-2164 (1997).
  37. D. Bogucki, J.A. Domaradzki, R. Zaneveld, and T. Dickey, ``Light Scattering Induced by Turbulent Flow", 1996 Ocean Sciences Meeting, San Diego (1996).
  38.  D. Bogucki, J.A. Domaradzki, D. Stramski, and R. Zaneveld, ``Light Scattering on Turbulence and on Particulates", International Conference on Ocean Optics XIII, Society of Photo-Optical Instrumentation Engineers (SPIE), Proceedings Vol. 2963, Halifax, Canada (1996).
  39.  J.A. Domaradzki and E.M. Saiki, ``A Subgrid-Scale Model Based on the Estimation of Unresolved Scales of Turbulence", Bull. Am. Phys. Soc. 41, 1691 (1996).
  40. R.M. Kerr, J.A. Domaradzki, and G. Barbier, ``Small-Scale Properties of Nonlinear Interactions and Subgrid-Scale Energy Transfer in Isotropic Turbulence", Phys. Fluids A 8, 197-208 (1996).
  41. J.A. Domaradzki and W. Liu, ``Approximation of Subgrid-Scale Energy Transfer Based on the Dynamics of Resolved Scales of Turbulence", Phys. Fluids A 7, 2025-2035 (1995).
  42. J.A. Domaradzki, ``Properties of Subgrid-Scale Nonlinear Interactions Obtained form Direct Numerical Simulations of Turbulence: Implications for LES Modeling", Proceedings of 6th International Symposium on CFD, pp. 244-245, Lake Tahoe, Nevada, (1995).
  43.  R. Zaneveld, D. Bogucki, J.A. Domaradzki, and T. Dickey, ``Light Scattering Induced by Turbulent Flow", Bull. Am. Phys. Soc. 40 , 1945 (1995).
  44.  D. Bogucki and J.A. Domaradzki, ``Observations of the Batchelor Spectrum for Passive Scalars in a Homogeneous, Isotropic Flow", Bull. Am. Phys. Soc. 40, 1958 (1995).
  45.  D.C. Chan, J.A. Domaradzki, and T. Maxworthy, ``Effects of Rotation on Turbulent Convection Generated by a Localized Source", Bull. Am. Phys. Soc. 40, 1997 (1995).
  46. J.A. Domaradzki, ``Subgrid-Scale Modeling Based on Small-Scale Nonlinear Dynamics", Bull. Am. Phys. Soc. 40, 1999 (1995).
  47. D. Bogucki, T.D. Dickey, J.A. Domaradzki, and J.R. Zaneveld, ``Light Scattering Induced by Turbulent Flow", International Conference on Ocean Optics XII, Society of Photo-Optical Instrumentation Engineers (SPIE), Proceedings Vol. 2258, Bergen, Norway (1994).
  48.  J.A. Domaradzki and W. Liu, ``Approximation of Subgrid-Scale Energy Transfer Based on the Dynamics of Resolved Scales of Turbulence", Bull. Am. Phys. Soc. 39, 1955 (1994).
  49.  D.C. Chan, J.A. Domaradzki, and T. Maxworthy, ``Effects of Rotation on Turbulent Convection", Bull. Am. Phys. Soc. 39 , 1853 (1994).
  50. J.A. Domaradzki, W. Liu, C. Härtel, and L. Kleiser, ``Energy Transfer in Numerically Simulated Wall-Bounded Turbulent Flows", Phys. Fluids A 6, 1583-1599 (1994).
  51.  S.L. Christie and J.A. Domaradzki, ``Scale Dependence of the Statistical Character of Turbulent Fluctuations in Thermal Convection", Phys. Fluids A 6, 1848-1855 (1994).
  52.  D.A. Siegel and J.A. Domaradzki, ``Large Eddy Simulation of Decaying Stratified Turbulence", J. Phys. Oceangr. 24, 1353-1386 (1994).
  53. W. Liu and J.A. Domaradzki, ``Direct Numerical Simulation of Transition to Turbulence in Görtler Flow", J. Fluid Mech. 246 , 267-299 (1993).
  54.  S.L. Christie and J.A. Domaradzki, ``Numerical Evidence for Nonuniversality of the Soft/Hard Turbulence Classification for Thermal Convection", Phys. Fluids A 5, 412-422 (1993).
  55.  J.A. Domaradzki, W. Liu, and M.E. Brachet, ``An Analysis of Subgrid-Scale Interactions in Numerically Simulated Isotropic Turbulence", Phys. Fluids A 5, 1747-1759 (1993).
  56. S.L. Christie and J.A. Domaradzki, ``Scale Dependence of Statistics in Turbulent Convection", Bull. Am. Phys. Soc. 38, 2209 (1993).
  57.  R.M. Kerr and J.A. Domaradzki, ``Subgrid-scale Transfer and Vorticity in Isotropic Turbulence", Bull. Am. Phys. Soc. 38 , 2244 (1993).
  58.  J.A. Domaradzki, W. Liu, C. Härtel, and L. Kleiser, ``Interscale Energy Transfer in Wall Bounded Flows", Bull. Am. Phys. Soc. 38 , 2270 (1993).
  59.  D.C. Chan, T. Maxworthy, and J.A. Domaradzki, ``A Least Square Spectral Element Method for Turbulent Convective Flow Simulations", Bull. Am. Phys. Soc. 38, 2285 (1993).
  60. W. Liu and J.A. Domaradzki, ``Transition to Turbulence in Görtler Flow", in NATO ASI Series B: Physics, Vol. 279, Ordered and Turbulent Patterns in Taylor-Couette Flow, (C.D. Andereck and F. Hayot, eds.), Plenum, New York (1992).
  61.  J.A. Domaradzki, W. Liu, and M. Brachet, ``An Analysis of Subgrid-Scale Interactions in Numerically Simulated Isotropic Turbulence", Bull. Am. Phys. Soc. 37, 1788 (1992).
  62. J.A. Domaradzki, ``Nonlocal Triad Interactions and the Dissipation Range of Isotropic Turbulence", Phys. Fluids A4 , 2037-2045 (1992).
  63.  J.A. Domaradzki, K. Shah, and D. G. Crighton, ``Scattering of Hydrodynamic Pressure Pulses by Coating Inhomogeneities", J. Acoust. Soc. Am. 92 , 3302-3314 (1992).
  64. W. Liu and J.A. Domaradzki, ``Numerical Simulation of Transition in Görtler Flow", Bull. Am. Phys. Soc. 36, 2615 (1991).
  65.  J.A. Domaradzki, ``Energy Transfer in Dissipation Range", Bull. Am. Phys. Soc. 36, 2649 (1991).
  66.  S.L. Christie and J.A. Domaradzki, ``Direct Simulations of Turbulent Convection", Bull. Am. Phys. Soc. 36, 2688 (1991).
  67.  M. Rossi, J.A. Domaradzki, and S. Tadepalli, ``Finite Amplitude States in Boundary Layers",Bull. Am. Phys. Soc. 36, 2700 (1991).
  68.  J.A. Domaradzki, R.S. Rogallo, and A.A. Wray, ``Physical Space Representation of Spectral Energy Transfer in Homogeneous Turbulence", Proceedings of 13th World Congress on Computation and Applied Mathematics, Dublin, Ireland (1991).
  69. W. Liu and J.A. Domaradzki, ``Direct Numerical Simulations of Transition to Turbulence in Görtler Flow", AIAA Paper No. 90-0114, (1990).
  70.  J.A. Domaradzki, R.S. Rogallo, and A.A. Wray, ``Interscale Energy Transfer in Numerically Simulated Turbulence", Proceedings of NASA Ames/Stanford Center for Turbulence Research, 1990 Summer Program, (1990).
  71.  J.A. Domaradzki, K. Shah, and D.G. Crighton, ``Scattering of Localized Boundary Layer Pressures by Coating Inhomogeneities", Bull. Am. Phys. Soc. 35, 2263 (1990).
  72.  W. Liu and J.A. Domaradzki, ``Numerical Study of Transition to Turbulence in a Flow over a Concave Wall", Bull. Am. Phys. Soc. 35, 2268 (1990).
  73.  S.L. Christie and J.A. Domaradzki, ``Direct Simulation of Convective Soft Turbulence", Bull. Am. Phys. Soc. 35, 2274 (1990).
  74.  R.S. Rogallo, J.A. Domaradzki, and A.A. Wray, ``Interscale Energy Transfer in Numerically Simulated Homogeneous Turbulence", Bull. Am. Phys. Soc. 35, 2305 (1990).
  75. J.A. Domaradzki and R.S. Rogallo, ``Local Energy Transfer and Nonlocal Interactions in Homogeneous, Isotropic Turbulence", Phys. Fluids A 2 , 413-426 (1990).
  76.  J.A. Domaradzki, ``An Analytic Green's Functions Method in Pseudo-Spectral Navier-Stokes Solvers for Boundary Layer and Channel Flows", J. Comput. Phys. 88 , 232-242, (1990).
  77. J.A. Domaradzki, ``Heat Transfer Enhancement in Rayleigh-Bénard Convection", Int. J. Heat & Mass Transf. 32 , 2475-2483 (1989).
  78. W. Liu and J.A. Domaradzki, ``Transition to Turbulence in a Flow of Two Counter-Rotating Vortices", Bull. Am. Phys. Soc. 34 , 2290 (1989).
  79.  S.L. Christie and J.A. Domaradzki, ``Direct Numerical Simulation of Convective Soft Turbulence", Bull. Am. Phys. Soc. 34, 2338 (1989).
  80. J.A. Domaradzki and R.W. Metcalfe, ``Direct Numerical Simulations of the Effects of Shear on Turbulent Rayleigh-Bénard Convection", J. Fluid Mech. 193 , 499-531, (1988).
  81.  J.A. Domaradzki, ``Analysis of Energy Transfer in Direct Numerical Simulations of Isotropic Turbulence", Phys. Fluids 31 , 2747-2749 (1988).
  82. J.A. Domaradzki and R.S. Rogallo, ``Local Energy Transfer and Nonlocal Interactions in Numerically Simulated Isotropic Turbulence", Bull. Am. Phys. Soc. 33, 2263 (1988).
  83.  D.A. Siegel and J.A. Domaradzki, ``Large Eddy Simulation of a Decaying Oceanic Internal Wave Field", Bull. Am. Phys. Soc. 33 , 2295 (1988).
  84.  D.A. Siegel and J.A. Domaradzki, ``Large Eddy Simulation of a Decaying Oceanic Internal Wave Field",Trans. of AGU, EOS 69 , 1265 (1988).
  85.  J.A. Domaradzki and R.W. Metcalfe, ``Direct Numerical Simulations of Turbulent Heat Transfer", Flow Technical Report No. 456, Flow Research Company, Kent, WA 98032 (1988).
  86. J.A. Domaradzki and R.S. Rogallo, ``Energy Transfer in Isotropic Turbulence at Low Reynolds Numbers", Proceedings of NASA Ames/Stanford Center for Turbulence Research, 1988 Summer Program, Report CTR-S88 (1988).
  87. J.A. Domaradzki, ``Heat Transfer Control in the Rayleigh-Bénard Convection", Bull. Am. Phys. Soc. 32, 2047 (1987).
  88. J.A. Domaradzki, R.W. Metcalfe, R.S. Rogallo and J.J. Riley, ``Eddy Viscosity from Direct Numerical Simulations of Homogeneous, Isotropic Turbulence", Phys. Rev. Lett. 58 , 547-550 (1987).
  89.  J.A. Domaradzki and R.W. Metcalfe, ``Stabilization of Laminar Boundary Layers by Compliant Membranes", Phys. Fluids 30 , 695-705 (1987).
  90.  J.A. Domaradzki and S.A. Orszag, ``Numerical Solutions of the Direct Interaction Approximation for Anisotropic Turbulence", J. Sci. Comput. 2 , 227-248 (1987).
  91. J.A. Domaradzki and R.W. Metcalfe, ``Numerical Simulations of Turbulent Heat Transfer in the Presence of Shear", Flow Technical Report No. 339, Flow Research Company, Kent, WA 98032 (1985).
  92. R.W. Metcalfe and J.A. Domaradzki, ``The Stabilization of Laminar Boundary Layers by Compliant Membranes", Bull. Am. Phys. Soc. 31 , 1706 (1986).
  93.  J. A. Domaradzki and R.W. Metcalfe, ``Direct Numerical Simulations of Turbulent Convection in the Presence of Background Shear", Bull. Am. Phys. Soc. 31, 1732 (1986).
  94.  J.A. Domaradzki and S.A. Orszag, ``The Direct-Interaction Approximation for Anisotropic Turbulence", Bull. Am. Phys. Soc. 31, 1740 (1986).
  95.  J.A. Domaradzki, R.W. Metcalfe, R.S. Rogallo and J.J. Riley, ``An Analysis of Subgrid-Scale Eddy Viscosity Modelling Based on High Resolution Direct Numerical Simulations", Bull. Am. Phys. Soc. 31, 1740 (1986).
  96. J.A. Domaradzki, R.W. Metcalfe, R.S. Rogallo and J.J. Riley, ``An Analysis of Eddy Viscosity Modelling from Direct Numerical Simulations of Homogeneous, Isotropic Decaying Turbulence", Flow Technical Report No. 377, Flow Research Company, Kent, WA 98032 (1986).
  97. J.A. Domaradzki and R.W. Metcalfe, ``Numerical Simulations of Turbulent Heat Transfer in the Presence of Shear", Third Symposium on Energy Enginering Sciences, Penn State (1985).
  98. J.A. Domaradzki and G.L. Mellor, ``A Simple Turbulence Closure Hypothesis for the Triple Velocity Correlation Functions", J. Fluid Mech. 140 , 45-61 (1984).
  99. J.A. Domaradzki and G.L. Mellor, ``The Importance of Large Scale Turbulence on the Predictability of the Turbulent Energy Decay", AIP Conference Proceedings No. 106, Predictability of Fluid Motions, (G. Holloway and B.J. West, eds.), New York (1984).
  100. R. Graham and J.A. Domaradzki, ``Local Amplitude Equation of Taylor Vortices and its Boundary Conditions", Phys. Rev. 26 A, 1572-1579 (1982).
  101.  J.A. Domaradzki and L.A. Turski, ``The Bénard Effect", Pos. Fiz. 32 , 569-592 (1981).
  102. J.A. Domaradzki, ``Derivation of the Generalized Enskog Equation for a Gas of Hard Spheres with a Step Repulsive Barrier", Physica 101 A, 351-374 (1980).
  103.  J.A. Domaradzki, ``The Liouville Operator for the Step-Type Interparticle Interaction", Physica 86 A, 169-176 (1977).
  104.  J.A. Domaradzki, ``The Coefficient of Self-Diffusion in Case of Step-Type Interparticle Potential", Warsaw University Press, IFT (1977).
  105. J.A. Domaradzki and J. Piasecki, ``Connection Between the Local Maxwell and Local Grand Canonical Distributions", Phys. Lett. 51 A, 196-199 (1975).

  106.  
Seminars and Talks