Research keynotes
April,2002
"The Changing Role of Voice: A Network Service Provider's View", Opening Keynote, V-World, Orlando, Florida
April, 2002
"Emerging Technologies and Product Innovation", Opening Keynote, TiE, Atlanta
June,1999
"HotMedia: Lightweight Composite Rich Media for Internet Applications", Computer Graphics International, Calgary, Canada
March 15, 1999
"Collaborative Rich Media", Mechanical Engineering Department Seminar, SUNY, Stony Brook
April 22, 1997
"Interactive 3D Network Graphics", ISSC Australia Seminar, ISSC, Mt. Helen, Victoria, Australia
April 22, 1997
"Research in Collaborative Visualization and Modeling", School of Information Technology and Mathematical Sciences Seminar, University of Ballarat, Ballarat, Victoria, Australia
December 5, 1996
"Collaborative Visualization and Modeling", Mechanical Engineering Seminar, MIT, Boston
June 20, 1996
"Sculptured Solids in Exact CSG Representation", Distinguished Speaker, Computer Science Seminar, Purdue University, West Lafayette, Indiana
April 10, 1996
"Modeling and Simulation in Design and Manufacturing", Mechanical Engineering Seminar, Indian Institute of Technology, Kanpur, India
April 9, 1996
"Geometry, Computers and Engineering", Computer Science Seminar, Indian Institute of Technology, New Delhi, India
April 4, 1996
"Modeling and Simulation in Design and Manufacturing", Mechanical Engineering Seminar, Indian Institute of Technology, New Delhi, India
March 15, 1996
"Modeling and Simulation in Design and Manufacturing", Mechanical Engineering Department Seminar, SUNY, Stony Brook
November 15, 1995
"The IBM 3D Interaction Accelerator'', Graphics Seminar, RPI, Troy, New York
October 25, 1995
"Virtual Reality in Engineering'', ASME Westchester Section, Computers in Engineering technical division Seminar, Westchester Community College
September 25, 1995
"Graphics, VR, and Modeling: Recent Research Advances'', University of Wisconsin, Department of Mechanical Engineering, Madison, Wisconsin
August 18, 1995
"D\&R in Graphics and Modeling at IBM Research'', Cornell Programmable Automation (CPA) Seminar, Cornell University, Ithaca, New York
November 16, 1994
"Recent Advances in CSG Modeling and Interactive Visualization'', Mechanical Engineering Department Seminar, New Jersey Institute of Technology, New Jersey
September 13, 1994
"Exploring the Power of Implicit Quadratics in Shape Modeling'', International Workshop on Shape Modeling: Parallelism, Interactivity and Applications, University of Aizu, Japan
September 13, 1994
"Interactive Visualization of Complex Linear Polyhedra'', International Workshop on Shape Modeling: Parallelism, Interactivity and Applications, University of Aizu, Japan
May 4, 1994
"Domain Extension of CSG and Other Recent Advances in Geometric Modeling Research'', CADLAB Seminar, MIT, Boston
April 25, 1994
"Advances in CSG Research and Interactive Model Visualization Systems'', Department of Computing Mathematics, University of Wales College of Cardiff, Cardiff, UK
April 21, 1994
"Exact Free-form CSG and Other Recent Advances in Geometric Modeling Research'', Mechanical Engineering Department, University of Bath, Bath, UK
April 5, 1994
"CAD/CAM: Aided to Automated?", ASME Westchester Section, Computers in Engineering technical devision Seminar, Westchester Marriott
May 28, 1993
"Interactive Geometric Modeling at IBM Research'', Cornell Programmable Automation (CPA) Seminar, Cornell University, Ithaca, New York
March 17, 1993
"Research Trends in Geometric Modeling: I. Solid Modeling Engines at Cornell, II. Interactive Geometric Modeling Research at IBM'', Applied Mechanics Department Seminar, Indian Institute of Technology, New Delhi (India)
October 14-16, 1992
"Automatic NC Verification via Massively Parallel RayCasting'', with D. M. Robinson and H. B. Voelcker, First International Symposium on Mechanical Design and Visualization}, organized by IBM (France) and INSA of Lyon, Lyon (France)
October 14-16, 1992
"More Powerful Solid Modeling through the RayCasting Engine and Ray Representations'', with G. Kedem, R. J. Marisa, H. B. Voelcker, and J. Zagajac, First International Symposium on Mechanical Design and Visualization, organized by IBM (France) and INSA of Lyon, Lyon, France
December 2, 1991
"Windows into State-of-the-Art CAD/CAM'', National Institue of Science Technology and Development Studies, Council of Scientific and Industrial Research, Govt. of India. New Delhi (India)
March 20, 1991
"Breaking Barriers in Solid Modeling'', with R. J. Marisa and H. B. Voelcker, ASME March Meeting, Southern Tier Section, Cornell University, Ithaca, New York
May 3, 1990
"Solid Modeling in CAD/CAM and Robotics'', National Institute of Science Technology and Development Studies, Council of Scientific and Industrial Research, Govt. of India, New Delhi (India)
March 28-29, 1990
"Assessment and Future Trends of Solid Modeling'', Applied Mechanics Department Seminar, Indian Institute of Technology, New Delhi (India)
March 16, 1990
"CAD/CAM and Education Prospects in the US'', Mechanical Engineering Society (MES) Seminar, Indian Institute of Technology, New Delhi (India)
January 23, 1990
"The RayCasting Project'', with R. J. Marisa, and H. B. Voelcker, Colloquium of the Sibley School of Mechanical and Aerospace Engineering, Cornell University, Ithaca, New York