S. E. Zitney, J. U. Mallya, T. A. Davis and M. A. Stadtherr,  "Multifrontal Techniques for Sparse LU Factorization in Chemical Process Simulation on Supercomputers," AIChE National Meeting, Atlanta, GA, April 17-21, 1994.

K. V. Camarda, S. E. Zitney and M. A. Stadtherr, "Row Ordering Strategies for Frontal Solvers in Chemical Process Simulation,"  AIChE National Meeting, Atlanta, GA, April 17-21, 1994.

S. E. Zitney, J. U. Mallya, T. A. Davis and M. A. Stadtherr, "Multifrontal Techniques for Chemical Process Simulation on Supercomputers," Fifth International Symposium on Process Systems Engineering
(PSE '94), Kyongju, Korea, May 30-June 3, 1994.

M. A. Stadtherr, C. A. Schnepper and J. F. Brennecke,  "Robust Phase Stability Analysis Using Interval Methods,", International Symposium on Foundations of Computer Aided Process Design (FOCAPD '94), Snowmass Village, CO, July 10-15, 1994.

(Invited Talk) M. A. Stadtherr, "Chemical Process Engineering in an Advanced Computational Environment,"   ASPENWORLD 94, Boston, November 6-9, 1994.

H. N. Cofer and M. A. Stadtherr, "Hybrid Direct/Iterative Sparse Matrix Techniques for Process Simulation," AIChE Annual Meeting, San Francisco, CA, November 13-18, 1994.

C. A. Schnepper, J. F. Brennecke and M. A. Stadtherr, "Robust Calculation of High Pressure Phase Equilibria Using Interval Methods," AIChE Annual Meeting, San Francisco, CA, November 13-18, 1994.

M. A. Stadtherr, "Supercomputing Strategies for the Dynamic Simulation of Chemical Processes," NSF Design and Manufacturing Systems Conference, San Diego, CA, January 3-6, 1995.

Z. Hua, J. F. Brennecke and M. A. Stadtherr, "Robust Computation of Phase Equilibria Using Interval Methods," AIChE National Meeting, Houston, TX, March 19-23, 1995.

Z. Hua, J. F. Brennecke and M. A. Stadtherr, "Reliable Prediction of Phase Stability Using an Interval Newton Method," Seventh International Conference on Fluid Properties and Phase Equilibria for Chemical Process Design, Snowmass Village, CO, June 18-23, 1995.

K. V. Camarda and M. A. Stadtherr, "Frontal Solvers for Process Simulation:  Local Row Ordering Strategies," AIChE Annual Meeting, Miami Beach, FL, November 12-17, 1995.

J. U. Mallya and M. A. Stadtherr, "A New Multifrontal Solver for Process Simulation on Parallel/Vector Supercomputers," AIChE Annual Meeting, Miami Beach, FL, November 12-17, 1995.

M. A. Stadtherr, "Frontal and Multifrontal Solvers for Chemical Process Simulation on Supercomputers," NSF Design and Manufacturing Conference, Albuquerque, NM, January 2-5, 1996.

(Invited Talk) J. F. Brennecke and M. A. Stadtherr,  "Measurement, Modeling and Computation of Phase Equilibria of CO₂-based reaction systems," DuPont Experiment Station, Wilmington, DE, February 16, 1996.

(Invited Talk) M. A. Stadtherr, "Frontal and Multifrontal Techniques for Chemical Process Simulation on Supercomputers," Wayne State University, Department of Chemical Engineering Seminar, March 29, 1996.

J. Z. Hua, B. Stradi-Granados, L. Blanchard, M. A. Stadtherr and J. F. Brennecke, "Computation and Measurement of the Phase Behaviour of High Pressure Systems Containing Carbon Dioxide," Midwest Thermodynamics and Statistical Mechanics Conference, Madison, WI, May 2-3, 1996.

J. Z. Hua,  J. F. Brennecke and M. A. Stadtherr, "Reliable Phase Stability Analysis for Cubic Equation of State Models," 6th European Symposium on Computer-Aided Process Engineering (ESCAPE-6), Rhodes, Greece, May 26-29, 1996.

(Plenary Lecture) M. A. Stadtherr and J. U. Mallya, "Computational Strategies for Chemical Process Engineering Using Parallel/Vector Supercomputers," Third UNAM-Cray Supercomputing Conference, Mexico City, August 12-16, 1996.

J. Z. Hua, S. R. Tessier, W. C. Rooney,  J. F. Brennecke and M. A. Stadtherr, "Enhanced Interval Techniques for Reliable Computation of Phase Equilibrium, AIChE Annual Meeting, Chicago, November 10-15, 1996.

 J. U. Mallya, S. E. Zitney,  S. Choudhary and M. A. Stadtherr, "A Parallel Frontal Solver for Dynamic Simulation and Optimization on Supercomputers," AIChE Annual Meeting, November 10-15, 1996.

(Invited Talk) M. A. Stadtherr, "Strategies for Process Engineering Computations Using High Performance Computing Technology," Technology Reviews in Process Design and Analysis Symposium, AIChE National Meeting, Houston, TX, March 9-13, 1997.

B. Stradi-Granados, J. F. Brennecke and M. A. Stadtherr, "Measurement and Modeling of Phase Equilibrium in a Reaction System Using an Environmentally Benign Solvent," AIChE National Meeting, Houston, TX, March 9-13, 1997.

J. U. Mallya, S. E. Zitney,  S. Choudhary and M. A. Stadtherr, "A Parallel Frontal Solver for Process Simulation," 8th SIAM Conference on Parallel Processing for Scientific Computing, Minneapolis, MN, March 14-17, 1997.

B. Stradi, J. P.Kohn, M. A. Stadtherr and  J. F. Brennecke, "Measurement and Modeling of Phase Equilibrium in a Reaction System Using Environmentally Benign CO₂," 4th International Symposium on Supercritical Fluids, Sendai, Japan, May 11-14, 1997.

J. U. Mallya, S. E. Zitney,  S. Choudhary and M. A. Stadtherr, "A Parallel Block Frontal Solver for Large Scale Process Simulation:  Reordering Effects," 5th International Symposium on Process Systems Engineering, Trondheim, Norway, May 26-29, 1997.

B. A. Stradi-Granados, J. P.Kohn, M. A. Stadtherr and J. F. Brennecke "Measurement, Modeling and Computation of the Phase Behavior of CO₂-Based Reaction Systems," 1997 Green Chemistry and Engineering Conference, Washington, DC, June 23-25, 1997.

(Invited Talk) M. A. Stadtherr, "Large-Scale Process Simulation and Optimization in a High Performance Computing Environment," AspenWorld 97, Boston, MA, October 12-16, 1997. Available for download: PROCEEDINGS PAPER[(Postscript--590K)][(Acrobat--430K)].

(Invited Talk) J. Z. Hua, J. F. Brennecke and M. A. Stadtherr,  "Phase Stability Analysis for Equation of State Models," Institute for Operations Research and the Management Sciences, National Meeting, Dallas, October 26-29, 1997.

K. V. Camarda and M. A. Stadtherr, "Frontal Solvers for Process Simulation:  Global Reordering Strategies," AIChE Annual Meeting, Los Angeles, CA, November 16-21, 1997.

R. W. Maier, J. F. Brennecke and M. A. Stadtherr, "A New Approach for Reliable Computation of Homogeneous Azeotropes in Multicomponent Mixtures," Paper 75l, AIChE Annual Meeting, Los Angeles, CA, November 16-21, 1997. Available for download: PRESENTATION RECORD[(Postscript--300K)][(Acrobat--180K)], SLIDES[(Postscript--550K)][(Acrobat--190K)].

J. Z. Hua, J. F. Brennecke and M. A. Stadtherr, "Combined Local and Global Approach to Reliable Computation of Phase Equilibria," Paper 80b, AIChE Annual Meeting, Los Angeles, CA, November 16-21, 1997. Available for download: PRESENTATION RECORD[(Postscript--210K)][(Acrobat--122K)], SLIDES[(Postscript--740K)][(Acrobat--250K)]

(Invited Talk) M. A. Stadtherr, "Reliable Process Modeling Using Interval Analysis," Department of Chemical Engineering Seminar, Carnegie Mellon University, Pittsburgh, PA, February 24, 1998. Available for download: SLIDES [(Postscript--1.1M)][(Acrobat--412K)].

James Z. Hua, Robert W. Maier, Stephen R. Tessier, Joan F. Brennecke, Mark A. Stadtherr, "Interval Analysis for Thermodynamic Calculations in Process Design: A Novel and Completely Reliable Approach," 8th International Conference on Properties and Phase Equilibria for Product and Process Design, Noordwijkerhout, The Netherlands, April 26-May 1, 1998. Available for download: POSTER[(Acrobat--310K)].

R. W. Maier, J. F. Brennecke and M. A. Stadtherr, "Reliable Computation of Homogeneous Azeotropes", Midwest Thermodynamics and Statistical Mechanics Conference, Notre Dame, IN, May 18-19, 1998.

J. F. Brennecke, J. A. Shaeiwitz, M. A. Stadtherr, R. Turton, M. J. McCready, R. A. Schmitz, and W. B. Whiting, "Minimizing Environmental Impact of Chemical Manufacturing Processes:  Courseware," ASEE Annual Conference, Seattle, WA, June 28-July 1, 1998.

J. F. Brennecke, J. A. Shaeiwitz, M. A. Stadtherr, R. Turton, M. J. McCready, R. A. Schmitz, and W. B. Whiting, Minimizing Environmental Impact of Chemical Manufacturing Processes:  Design Projects," ASEE Annual Conference, Seattle, WA, June 28-July 1, 1998.

C.-Y. Gau and M. A. Stadtherr, "Nonlinear Parameter Estimation Using Interval Analysis," Third International Conference on Foundations of Computer Aided Process Operations, Snowbird, Utah, July 5-10, 1998.  Available for download:  PROCEEDINGS PAPER [Acrobat--77K] , POSTER [Acrobat--815K]

E. J. Roggeman, J. F. Brennecke, M. A. Stadtherr and J. E. Chateauneuf, "Spectroscopy, Measurement and Modeling of Metal Chelate Solubility in Supercritical CO₂," Eighth International Symposium on Supercritical Fluid Chromatography and Extraction, St. Louis, MO, July 12-16, 1998.

J. F. Brennecke, M. A. Stadtherr and J. E. ChateauneufSpectroscopy, "Modeling and Computation of Metal Chelate Solubility in Supercritical CO₂," Department of Energy EMSP Scientific Workshop, Rosemont, IL, July 27-20, 1998.

(Invited Talk) M. A. Stadtherr, "High Performance Computing:  Are We Just Getting Wrong Answers Faster?", Computing and Systems Technology Division Awards Dinner, AIChE Annual Meeting, Miami Beach, FL, November 15-20, 1998.  [HTML][Acrobat]

R. W. Maier, J. F. Brennecke and M. A. Stadtherr, "Computation of Reactive Azeotropes Using Interval Analysis," Paper 133i, Presented at AIChE Annual Meeting, Miami Beach, FL, November 15-20, 1998. Available for download: PRESENTATION RECORD[Postscript][Acrobat], SLIDES[Postscript][Acrobat].

G. Xu, B. Stradi, R. W. Maier, J. F. Brennecke and M. A. Stadtherr, " Reliable Computation of High Pressure Phase Behavior," Paper 88c, Presented at AIChE Annual Meeting, Miami Beach, FL, November 15-20, 1998. Available for download: PRESENTATION RECORD[Postscript][Acrobat], SLIDES[Postscript][Acrobat].

C.-Y.  Gau and M. A. Stadtherr, "Global Nonlinear Parameter Estimation Using Interval Analysis:  Parallel Computing Strategies," Paper 244b, Presented at AIChE Annual Meeting, Miami Beach, FL, November 15-20, 1998. Available for download: PRESENTATION RECORD[Postscript][Acrobat], SLIDES[Postscript][Acrobat].

C.-Y. Gau, R. W. Maier, G. Xu and M. A. Stadtherr, "Reliable Process Modeling and Optimization Using Interval Computing," Sixth SIAM Conference on Optimization, Atlanta, GA, May 10-12, 1999.  SLIDES [Acrobat]

J. A. Scott and M. A. Stadtherr, "Advances in Row Ordering for Frontal Solvers in Process Engineering," SIAM Annual Meeting, Atlanta, GA, May 12-15, 1999.  SLIDES [Acrobat]

G. Xu, B. Stradi, R. W. Maier and J. F. Brennecke and M. A. Stadtherr, "Reliable Computation of Phase Behavior Using Interval Methods," SIAM Annual Meeting, Atlanta, GA, May 12-15, 1999.  SLIDES [Acrobat]

G. Xu, J. F. Brennecke and M. A. Stadtherr, "Reliable Computation of Solid-Fluid Equilibria Using Interval Analysis," Midwest Thermodynamics and Statistical Mechanics Conference, Detroit, MI, May 17-18, 1999.

B. A. Stradi, G. Xu, J. F. Brennecke and M. A. Stadtherr, "Modeling and Design of an Environmentally Benign Reaction Process," Fifth International Conference on Foundations of Computer Aided Process Design (FOCAPD 99), Breckenridge, CO, July 18-23, 1999.

C.-Y. Gau and M. A. Stadtherr, "A Systematic Analysis of Dynamic Load Balancing Strategies for Parallel Interval Analysis," AIChE Annual Meeting, Dallas, TX, Oct. 31-Nov. 5, 1999.  SLIDES [Acrobat].

C.-Y. Gau and M. A. Stadtherr, "Reliable High Performance Computing Strategies for Chemical Process Modeling," AIChE Annual Meeting, Dallas, TX, Oct. 31-Nov. 5, 1999.  POSTER [Acrobat].

R. W. Maier,  J. F. Brennecke and M. A. Stadtherr, "A New Approach for Reliably Computing All Azeotropes of Multicomponent Mixtures," AIChE Annual Meeting, Dallas, TX, Oct. 31-Nov. 5, 1999.  SLIDES [Acrobat].

C.-Y. Gau, R. W. Maier and M. A. Stadtherr, "New Interval Methodologies for Reliable Process Modeling," AIChE Annual Meeting, Dallas, TX, Oct. 31-Nov. 5, 1999.  SLIDES [Acrobat].

G. Xu,  J. F. Brennecke and M. A. Stadtherr, "Reliable Computation of Solid-Supercritical Fluid Equilibria Using Interval Analysis," AIChE Annual Meeting, Dallas, TX, Oct. 31-Nov. 5, 1999.  POSTER [Acrobat].

 J. F. Brennecke, M. A. Stadtherr, M. J. McCready, R. A. Schmitz, R. Turton, J. A. Shaeiwitz and W. B. Whiting, "Minimizing the Environmental Impact of Chemical Manufacturing Processes," AIChE Annual Meeting, Dallas, TX, Oct. 31-Nov. 5, 1999.

J. F. Brennecke, B. A. Stradi, G. Xu and M. A. Stadtherr, "Measurement, Modeling and Computation of the Phase Behavior of CO₂-based Reaction Systems," AIChE Annual Meeting, Dallas, TX, Oct. 31-Nov. 5, 1999.

(Invited Talk) C.-Y. Gau and M. A. Stadtherr, "Trends in Parallel Computing for Process Engineering," AspenWorld 2000, Orlando, FL, Feb. 6-11, 2000.  SLIDES [Acrobat].

(Invited Talk) M. A. Stadtherr, "Recent Advances in Reliable Nonlinear Equation Solving," AspenWorld 2000, Orlando, FL, Feb. 6-11, 2000.  SLIDES [Acrobat].

(Invited Talk)  M. A. Stadtherr, "Reliable Process Modeling Using Interval Analysis," Department of Chemical Engineering Seminar, University of Kansas, Lawrence, KS, March 29, 2000.

G. Xu, A. M. Scurto, M. Castier,  J. F. Brennecke and M. A. Stadtherr,  "Reliable Computation of High Pressure Solid-Fluid Equilibrium," 5th International Symposium on Supercritical Fluids, Atlanta, GA, April 8-12, 2000.

G. Burgos, L. A. Blanchard, M. Castier, J. F. Brennecke and M. A. Stadtherr, "Reliable Computation and Experimental Measurements of Chemical and Phase Equilibria in Multiphase Reactive Systems Using Supercritical CO2 as a Solvent," 5th International Symposium on Supercritical Fluids, Atlanta, GA, April 8-12, 2000.

J. F. Brennecke, J. A. Shaeiwitz, M. A. Stadtherr, R. Turton, M. J. McCready, R. A. Schmitz and W. B. Whiting, "Minimizing Environmental Impact of Chemical Manufacturing Processes," ASEE Annual Conference, St. Louis, MO, June 18-21, 2000.

(Invited Plenary Lecture) C.-Y. Gau and M. A. Stadtherr, "Parallel Branch-and-Bound for Chemical Engineering Applications:  Load Balancing and Scheduling Issues," Fourth International Meeting on Vector and Parallel Processing (VECPAR 2000), Porto, Portugal, June 21-23, 2000.  SLIDES [Acrobat].

C.-Y. Gau and M. A. Stadtherr,  "Reliable Nonlinear Parameter Estimation Using Interval Analysis:  Error-in-Variable Approach," 7th International Symposium on Process Systems Engineering (PSE 2000), Keystone, Colorado, July 16-21, 2000.  SLIDES [Acrobat].

(Plenary Lecture) J. F. Brennecke and M. A. Stadtherr,  "A Course in Environmentally Conscious Chemical Process Design," 7th International Symposium on Process Systems Engineering (PSE 2000), Keystone, Colorado, July 16-21, 2000.  SLIDES [Acrobat].

C.-Y. Gau and M. A. Stadtherr, "Parallel Interval Analysis for Chemical Process Modeling," First SIAM Conference on Computational Science and Engineering (CSE00), Washington, D.C., Sept. 21-24, 2000.  SLIDES [Acrobat].

R. W. Maier and M. A. Stadtherr, "Reliable Density-Functional-Theory Calculations of Adsorption in Nanoporous Materials," First SIAM Conference on Computational Science and Engineering (CSE00), Washington, D.C., Sept. 21-24, 2000.

G. Xu, A. M. Scurto, M. Castier, J. F. Brennecke and M. A. Stadtherr, "Reliable Computation of High Pressure Solid-Fluid Equilibrium," XIX Interamerica Congress of Chemical Engineering/XII Brazilian Congress of Chemical Engineering/I Brazilian Congress on Phase Equilibrium and Fluid Properties for Process Design, Aquas do Sao Pedro, SP, Brazil, Sept. 25-27, 2000.

W. D. Haynes, J. F. Brennecke and M. A. Stadtherr, "Reliable Computation of Phase Behavior Using Asymmetric Models," AIChE Annual Meeting, Los Angeles, CA, Nov. 12-17, 2000.

H. Liang and M. A. Stadtherr, "Computation of Interval Extensions Using Berz-Taylor Polynomial Models," AIChE Annual Meeting, Los Angeles, CA, Nov. 12-17, 2000.  SLIDES [Acrobat].

R. W. Maier, E. J. Maginn and M. A. Stadtherr, "Reliable Density-Functional-Theory Calculations of Adsorption in Nanoporous Materials," AIChE Annual Meeting, Los Angeles, CA, Nov. 12-17, 2000.  SLIDES [Acrobat].

(Invited Talk) M. A. Stadtherr, "Reliable Process Modeling Using Interval Analysis," Department of Chemical Engineering, State University of New York at Buffalo, Buffalo, NY, Nov. 29, 2000.

(Invited Talk) M. A. Stadtherr, "Reliable Process Modeling Using Interval Analysis," Centre for Process Systems Engineering, Imperial College, London, UK, January 23, 2001.

(Invited Talk) M. A. Stadtherr, "Reliable Modeling and Optimization Using Interval Analysis," Lehrstuhl fur Prozesstechnik, RWTH, Aachen, Germany, February 5, 2001.

(Invited Talk) M. A. Stadtherr, "Reliable Process Modeling and Optimization Using Interval Analysis," Computational Mathematics and Applications Seminar Series, Rutherford Appleton Laboratory, Oxon, UK, March 1, 2001.

(Invited Talk) M. A. Stadtherr, "Reliable Process Modeling and Optimization Using Interval Analysis," Computer Aided Process Engineering Seminar, University of Nottingham, Nottingham, UK, March 6, 2001.

(Invited Talk) M. A. Stadtherr, "Reliable Modeling and Optimization Using Interval Analysis," Department of Chemical Engineering, University College London, London, UK, March 21, 2001.

R. W. Maier and M. A. Stadtherr, "Reliable Density-Functional-Theory Calculations of Adsorption in Porous Materials," ACS National Meeting, San Diego, CA, April 1-5, 2001.

J. F. Brennecke and M. A. Stadtherr, "Reliable Computation of Phase Behavior Using Interval Analysis," 76th International Bunsen Discussion Meeting, Global Phase Diagrams (GPD2), Walberberg, Germany, August 19-22, 2001.

G. Xu, J. F. Brennecke and M. A. Stadtherr, "Reliable Computation of Phase Stability and Equilibrium from the SAFT Equation of State," AIChE Annual Meeting, Reno, NV, November 4-9, 2001.

Y. Lin, J. A. Scott and M. A. Stadtherr, "Parallel Sparse Linear Solvers for Process Engineering Problems on a Cluster of Workstations," AIChE Annual Meeting, Reno, NV, Nov. 4-9, 2001.  SLIDES [Acrobat].

(Invited Talk) M. A. Stadtherr, "Applications of Interval Methods in Chemical Engineering," Sun High Performance Computing Consortium, Denver, CO, November 11, 2001.

C.-Y. Gau and M. A. Stadtherr, "Parallel Interval-Newton Using Message Passing:  Dynamic Load Balancing Strategies," SC2001, Denver, CO, November 10-16, 2001.

(Invited Plenary Lecture) M. A. Stadtherr,  "Reliable Modeling Using Interval Analysis:  Chemical Engineering Applications," SIAM Workshop on Validated Computing, Toronto, Canada, May 23-25, 2002.  SLIDES [Acrobat].

J. F. Brennecke and M. A. Stadtherr, "Teaching Pollution Prevention with Design Case Studies," ACS National Meeting, Boston, MA, August 18-22, 2002.

G. I. Burgos-Solorzano, J. F. Brennecke and M. A. Stadtherr, "Bio-molecule Solid-Fluid Equilibrium and Extraction Processes with Supercritical Fluids," VI Iberoamerican Conference on Phase Equilibria for Process Design (EQUIFASE 2002), Foz de Iguazu, Brazil, October 12-16, 2002.

A. M Scurto, G. Xu, J. F. Brennecke and M. A. Stadtherr, "Phase Behavior and Reliable Computation of Solid-Fluid Equilibrium with Cosolvents: Detection of Liquid Phase Formation," AIChE Annual Meeting, Indianapolis, IN, November 3-8, 2002.

Y. Lin and M. A. Stadtherr, "LP-Based Approach for Process Modeling Using Interval Methods," AIChE Annual Meeting, Indianapolis, IN, Nov. 3-8, 2002. SLIDES [Acrobat].

G. Xu, J. F. Brennecke and M. A. Stadtherr, "Reliable Computation of Solid-Fluid Equilibrium from the SAFT Equation of State," AIChE Annual Meeting, Indianapolis, IN, November 3-8, 2002.

G. I. Burgos-Solorzano, J. F. Brennecke and M. A. Stadtherr, "Design of Supercritical Fluid Extraction Processes for Multiple Solutes Using a Superstructure Method," AIChE Annual Meeting, Indianapolis, IN, November 3-8, 2002.

J. F. Brennecke and M. A. Stadtherr, "Teaching Sustainability Through Design Case Studies," AIChE Annual Meeting, Indianapolis, IN, November 3-8, 2002.

Y. Lin and M. A. Stadtherr, "LP-Based Strategies for Modeling and Optimization Using Interval Methods," Fourth International Conference on Foundations of Computer Aided Process Operations (FOCAPO 2003), Coral Springs, FL, January 12-15, 2003.

Y. Lin, H. Liang and M. A. Stadtherr, "Interval Computing Approach in Computational Chemistry and Engineering," SIAM Conference on Computational Science and Engineering (CSE03), San Diego, CA, February 10-13, 2003.

(Invited Talk) M. A. Stadtherr, "Reliable Modeling and Optimization Using Interval Analysis," Department of Chemical Engineering, Texas Tech University, Lubbock, TX, March 28, 2003.

L. S. Belveze, J. F. Brennecke and M. A. Stadtherr, "Measurement and Modeling of Phase Behavior of Ionic Liquid Mixtures Using Concentrated Electrolyte Models," Midwest Thermodynamics and Statistical Mechanics Conference, Columbus, OH, May 29, 2003.

Y. Lin and M. A. Stadtherr, "Advances in Interval Methods for Deterministic Global Optimization in Chemical Engineering," 4th International Conference on Frontiers in Global Optimization, Santorini, Greece, June 8-12, 2003. SLIDES [Acrobat].

"Modeling of Activity Coefficients of Aqueous Solutions of Quaternary Ammonium Salts with the Electrolyte NRTL Equation" (with L. S. Belveze and J. F. Brennecke, speaker), AIChE Annual Meeting, San Francisco, CA, November 16-21, 2003.

"Reliable Computation of Codimension-1 and Codimension-2 Bifurcations Using Interval Analysis" (with C. R. Gwaltney, speaker), AIChE Annual Meeting, San Francisco, CA, November 16-21, 2003. SLIDES [Acrobat].

(Invited Talk) "Reliable Computation of Equilibrium States and Bifurcations in Nonlinear Dynamics," (with C. R. Gwaltney), PARA'04 Workshop on State-of-the-Art in Scientific Computing, Lyngby, Denmark, June 20-23, 2004. SLIDES [Acrobat].

(Invited Talk) "Reliable Modeling and Optimization for Chemical Engineering Applications: Interval Analysis Approach," (with Y. Lin, C. R. Gwaltney ), NSF Workshop on Reliable Engineering Computing, Savannah, GA, September 15-15, 2004. SLIDES [Acrobat].

"New Approach for Reliable Phase Stability Analysis with Asymmetric Models," (with G. Xu, speaker, and W. D. Haynes), AIChE Annual Meeting, Austin, TX, November 7-12, 2004. SLIDES [Acrobat].

(Invited Talk) "Modeling and Computation of Phase Equilibrium Using Interval Methods," Second Scandinavian Workshop on Interval Methods and Their Applications (INT-05), Copenhagen (Lyngby), Denmark, August 25-27, 2005. SLIDES [Acrobat].

"Global Optimization of Mixed-Integer Nonlinear Problems using Interval Analysis," (with G. Xu, speaker), AIChE Annual Meeting, Cincinnati, OH, October 30-November 4, 2005. SLIDES [Acrobat].

"Computation of Equilibrium States and Bifurcations in Ecosystem Models Using Interval Analysis," (with C. R. Gwaltney, speaker), AIChE Annual Meeting, Cincinnati, OH, October 30-November 4, 2005.SLIDES [Acrobat].

"Global Optimization for Parameter Estimation in Dynamic Systems," (with Youdong Lin, speaker), AIChE Annual Meeting, Cincinnati, OH, October 30-November 4, 2005. SLIDES [Acrobat].

"Validated Solution of Initial Value Problems for ODEs with Interval Parameters," (with Y. Lin), 2nd NSF Workshop on Reliable Engineering Computing, Savannah, GA, February 22-24, 2006. SLIDES [Acrobat].

"Deterministic Global Optimization for Dynamic Systems Using Interval Analysis," (with Y. Lin), 12th GAMM-IMACS InternationalSymposium on Scientific Computing,Computer Arithmetic and Validated Numerics (SCAN 2006),Duisburg, Germany, September 26-29, 2006. SLIDES [Acrobat].