Talks

Joint Mathematics Meetings; Cincinnati, Ohio, January 13, 1982.

Texas Seminar on Differential Equations and Applications; University of Texas at Austin, Austin, Texas, March 6, 1982.

Eleventh Midwest Conference on Differential Equations; University of Nebraska at Lincoln, Lincoln, Nebraska, October 1 2, 1982.

University of Calgary; Calgary, Alberta, May 13 14, 1982.

Georgia Institute of Technology; Atlanta, Georgia, January 6, 1983.

Special Session on Nonlinear Elliptic and Parabolic Partial Differential Equations; AMS Regional Conference, University of Utah, Salt Lake City, Utah, April 28, 1983.

Mathematics Forschungsinstitut Oberwolfach Conference on the Theory, Numerics, and Applications of Nonlinear Eigenvalue Problems, Oberwolfach, West Germany, May 8, 1984.

Fourth Annual Southeast Atlantic Conference on Differential Equations; Wake Forest University, Winston Salem, NC, October 13, 1984.

Fifth Annual Southeast Atlantic Conference on Differential Equations; Georgia Institute of Technology, Atlanta, Georgia, October 25, 1985.

University of Utah Conference or Nonlinear Partial Differential Equations, University of Utah, Salt Lake City, Utah, February 5, 1986.

Clemson University, Clemson, South Carolina, August 7, 1986.

Sixth Annual Southeast Atlantic Conference on Differential Equations; Clemson University, Clemson, South Carolina, October 24, 1986.

Mathematical Ecology Conference; College of Charleston, Charleston, South Carolina, April 10, 1987.

Eighth Annual Southeast Atlantic Conference on Differential Equations; University of Georgia, Athens, Georgia, November 4, 1988.

Dublin Differential Equations Conference, National Institute for Higher Education (now Dublin City University), Dublin, Ireland, May 22, 1989.

American Mathematical Society Regional Meeting #852 (Special Session on Differential Equations), Ball State University, Muncie, Indiana, October 27, 1989.

American Mathematical Society Regional Meeting #855 (Special Session on Partial Differential Equations), Kansas State University, Manhattan, Kansas, March 16, 1990.

Tenth Annual Southeast Atlantic Conference on Differential Equations; Virginia Polytechnic Institute and State University, Blacksburg, Virginia, November 16, 1990.

Utah State University Mini-Conference on Differential Equations; Utah State University, Logan, Utah, June 1, 1991.

Eleventh Annual Southeast Atlantic Conference on Differential Equations; Mississippi State University, Starkeville, Mississippi, October 25, 1991.

Mississippi State University; Starkeville, Mississippi, March 30-31, 1992.

Second Geoffrey J. Butler Memorial Conference on Differential Equations and Population Biology; University of Alberta; Edmonton, Alberta, Canada, June 18, 1992.

First World Congress of Nonlinear Analysts; Tampa, Florida, August 19, 1992.

Mathematisches Forschngsinstitut Oberwolfach Conference on Ordinary Differential Equations; March 15, 1993.

Individual Based Modeling Meeting, Rosenstiel School of Marine and Atmospheric Science; The University of Miami; Key Biscayne, Florida, January 23, 1994.

University of Alabama-Birmingham; Birmingham, Alabama, July 13, 1993.

University of Alabama-Birmingham / Georgia Institute of Technology International Conference on Differential Equations and Mathematical Physics; University of Alabama - Birmingham; Birmingham, Alabama, March 13, 1994.

Rosenstiel School of Marine and Atmospheric Science; University of Miami; Key Biscayne, Florida, May 5, 1994.

Woods Hole Oceanographic Institution, Woods Hole, Massachusetts, June 23, 1994.

Society for Mathematical Biology 1994 Annual Meeting; San Diego, California, July 27, 1994.

Fourteenth Annual Southeast Atlantic Conference on Differential Equations; University of Tennessee; Knoxville, Tennessee, October 22, 1994.

University of Washington Department of Zoology Mathbio Supercourse Workshop Guest Lectures; Seattle, Washington, May 1-4, 1995.

Fourth International Conference on Population Dynamics; Rice University; Houston, Texas, May 23, 1995.

Fifteenth Annual Southeast Atlantic Conference on Differential Equations; North Carolina State University; Raleigh, North Carolina, October 13, 1995.

American Mathematical Society Regional Meeting #906 (Special Session on Nonlinear Boundary Value Problems), University of North Carolina-Greensboro; Greensboro, North Carolina, November 18, 1995.

Universidad Autonoma de Yucatan; Merida, Yucatan, Mexico; January 8, 1996.

International Conference on Dynamical Systems and Differential Equations, Southwest Missouri State University; Springfield, Missouri, May 31, 1996.

3rd Geoffrey J. Butler Memorial Conference on Differential Equations and Population Biology, University of Alberta; Edmonton, Alberta, June 27, 1996.

American Mathematical Society Regional Meeting #915 (Special Session on Nonlinear Partial Differential Equations) University of Tennessee-Chattanooga; Chattanooga, Tennessee, October 11, 1996.

16th Annual Southeast Atlantic Regional Conference on Differential Equations, Emory University, Atlanta, Georgia, October 18, 1996.

Third Mississippi State Conference on Differential Equations and Computational Simulations, Mississippi State University, Starkeville, Mississippi, May 17, 1997.

International Conference on Mathematical Models in Medical and Health Sciences (Special Session on Diffusive Systems), Vanderbilt University, Nashville, Tennessee, May 28, 1997.

International Conference on Differential Equations with Applications to Biology, Dalhousie University, Halifax, Nova Scotia, July 28, 1997.

International Conference on Differential Equations and Dynamical Systems (Special Session on Nonlinear Boundary Value Problems); University of Waterloo, Waterloo, Ontario, Canada, August 3, 1997.

3rd Midwest-Southeastern Atlantic Joint Regional Conference on Differential Equations, Vanderbilt University, Nashville, Tennessee, November 8, 1997.

Fifth International Conference on Mathematical Population Dynamics (Special Session on Topological Methods in Analyzing Population Dynamics), Zakapone, Poland, June 26, 1998.

International Conference on Operator Theory and its Applications to Scientific and Industrial Problems (Minisymposium in Biomathematics), Winnipeg, Manitoba, October 8, 1998.

18th Annual Southeast Atlantic Regional Conference on Differential Equations, Auburn University, Auburn, Alabama, October 17, 1998.

University of Minnesota, Minneapolis, November 10, 1999.

International Conference on Mathematics in Biology/Annual Meeting of the Society of Mathematical Biology; University of Utah, Salt Lake City, Utah, August 5, 2000.

American Mathematical Society Regional Meeting #960 (Special Session on Nonlinear Differential Equations and Applications), University of Alabama at Birmingham; Birmingham; Birmingham, AL, November 11, 2000.

Joint Mathematics Meetings (Special Session on PDE Models in Population Biology and Epidemiology), New Orleans, LA, January 11, 2001.

International Conference on Dynamics of Continuous, Discrete and Impulsive Systems, University of Western Ontario, London, Ontario, July 29, 2001.

International Workshop on Dynamical Systems and Their Applications in Biology, Cape Breton, Nova Scotia, Canada, August 2, 2001.

Ohio State University, Columbus, Ohio, November 8, 2001.

Wichita State University, Wichita, Kansas, March 8, 2002.

Fourth International Conference on Dynamical Systems and Differential Equations (Mini Symposium on Recent Trends in Nonlinear Analysis), University of North Carolina at Wilmington, Wilmington, North Carolina, May 26, 2002.

Shanghai Jiao Tong University, Shanghai, P.R.China, August 11, 2002.

International Congress of Mathematicians 2002 Satellite Conference on Mathematical Biology (Invited speaker), Guangxi Normal University, Guilin, P.R.China, August 15, 2002.

22nd Annual Southeast-Atlantic Regional Conference on Differential Equations (Plenary Speaker), University of Tennessee, Knoxville, TN, October 11, 2002.

University of Alabama at Birmingham, Birmingham, AL, February 7, 2003.

Canadian Mathematical Society Summer 2003 Meeting. University of Alberta, Edmonton, Alberta, Special Session on Infinite Dimensional Dynamical Systems, June 15, 2003.

2nd Alcal International Conference on Mathematical Ecology, Colegio de San Idefonso, Alcal de Henares, Spain, Special Session on Spatio-Temporal Complexity in Population Dynamics, September 8, 2003.

2nd Workshop on Spatial Dynamic Models of Economics and Ecoystems, Abdus Salam International Centre for Theoretical Physics, Trieste, Italy, April 15, 2004.

Workshop on Spatial Aspects of Reserve Design Optimization under Economic Constraints, Abdus Salam International Centre for Theoretical Physics, Trieste, Italy, April 20, 2004.

6th Joint Meeting of the American Mathematical Society and the Sociedad Matematica Mexicana, Special Session on Continuous Distributed Parameter Models in Mathematical Biology, May 13, 2004.

AIMS Fifth International Conference on Dynamical Systems and Differential Equations, California State Polytechnic University, Pomona, CA, June 17, 2004.

International Conference on Nonlinear Dynamics and Evolution Equations, Memorial University of Newfoundland, St. Johns Newfoundland, Canada, July 9, 2004.

University of Alberta, Edmonton, Alberta, April 11, 2005.

Sixth Mississippi State-UAB Conference on Differential Equations and Computational Simulations (Special Session in Honor of Klaus Schmitt on the Occasion of his 65th Birthday); Mississippi State University, Starkeville, MS, May 13, 2005.

Park City Mathematical Institute 2005 Summer Research Program in Mathematical Biology, Park City, Utah, July 14, 2005.

Universidad Autonoma deYucatan; Merida, Yucatan, Mexico; January 11, 2006.

University of Tennessee, Knoxville; TN, April 11, 2006.

American Institute of Mathematical Sciences 6th International Conference on Dynamical Systems, Differential Equations and Applications, Special Session on Dynamical Systems and Control in Biology; University of Poitiers, Poitiers, France, June 28, 2006.

Beijing University, Beijing, P.R. China, May 22, 2007.

EcoSummit 2007: Ecological Complexity and Sustainability: Challenges and Opportunities for the 21st Centurys Ecology, Symposium on Ecology, Evolution and Modeling of Disease Dynamics, Beijing Jiuhua Resort and Convention Center, Beijing, P.R. China, May 24, 2007.

4th International Conference on Mathematical Biology, Wuyishan, Fijian, P.R. China, May 31, 2007.

7th Mississippi State/University of Alabama Birmingham Conference on Differential Equations and Computational Simulation Birmingham, AL, November 2, 2007.

Workshop on Population Dynamics and Mathematical Biology, CIRM, Luminy, France, June 19, 2008.

World Congress of Nonlinear Analysts 2008, Special Session on New Directions in Non-linear Partial Differential Equations, Orlando, Florida, July 4, 2008.

Universidad de Chile, Santiago, Chile, August 8, 2008.

University of Puerto Rico Mayaguez, February 4, 2009. (Colloquium Talk)

Ulam Centennial Conference, University of Florida, March 10, 2009. (Invited Talk)

Banff International Research Station (BIRS) Workshop on Multiscale Analysis of Self-Organization in Biology, Banff, AB Canada; July 14, 2009. (Invited Talk)

Sixth Annual East China Normal University Graduate Summer School in Partial Differential Equations, Shanghai, China, July 23-August 7, 2009. (5 Plenary Lectures)

Workshop on Adaptive Movement of Interacting Species, Fields Institute, Toronto, ON Canada, September 12, 2009. (Invited Talk)

American Mathematical Society Fall Southeastern Sectional Meeting, Boca Raton, FL, October 31, 2009. (Special Session on Mathematical Models in Biology)

8th AIMS International Conference on Dynamical Systems, Differential Equations and Applications, at the Dresden University of Technology, Dresden, Germany, Special Session on Reaction-Diffusion Systems, May 28, 2010.

Joint Mathematics Meetings (Special Session on Analysis of Reaction-Diffusion Models), New Orleans, LA, January 9, 2011.

University of Florida Conference on Mathematical Models in Computational and Systems Biology, March 19, 2011. (Invited Talk)

University of Nebraska Conference on Mathematical Ecology, University of Nebraska, Lincoln, Nebraska, April 15, 2012. (Invited Plenary Talk)

Mathematical Bioscience Institute Emphasis Year on Stochastics in Biological Systems Workshop on Spatial Models of Micro and Macro Systems; Mathematical Biosciences Institute, Ohio State University, April 19, 2012. (Funded Invited Talk)

2012 NCTS Program On Nonlinear Equations in Spatial Population Biology, National Center for Theoretical Science (NCTS), Hsinchu, Taiwan, May 18, 2012. (Funded Mini-Course Lecture)

Workshop on Nonlinear Equations in Spatial Population Biology at the National Center for Theoretical Science (NCTS), Hsinchu, Taiwan, May 24, 2012. (Funded Invited Talk)

Zentrum fur interdisziplinare Forschung (ZiF) Research Group Stochastic Dynamics: Mathematical Theory and Applications Workshop on Qualitative behavior of Stochastic Systems and Applications, June 19, 2012, Universitat Bielefeld, Bielefeld, Germany. (Funded Invited Talk)

9th AIMS International Conference on Dynamical Systems, Differential Equations and Applications, Orlando, FL, July 4, 2012. (Special Session on Reaction Diffusion Equations and Applications)

9th AIMS International Conference on Dynamical Systems, Differential Equations and Applications, Orlando, FL, July 5, 2012. (Special Session on Nonlinear Elliptic and Parabolic Problems)

University of Central Florida, March 21, 2013. (Colloquium Talk)

Workshop on Nonlinear Equations in Population Biology, Center for Partial Differential Equations, East China Normal University, Shanghai, China, May 27, 2013. (Supported Invited Plenary Talk)

Fourth Conference on Computational and Mathematical Population Dynamics, North University of China, Taiyuan, China, May 29, 2013. (Invited Talk)

Shanxi University, Taiyuan, China, June 3, 2013. (Colloquium Talk)

Zentrum fur interdisziplinare Forschung (ZiF) Research Group Stochastic Dynamics: Mathematical Theory and Applications Workshop on Fusion of Knowledge in Stochastic Modeling of Large Complex Systems, June 13, 2013, Universitat Bielefeld, Bielefeld, Germany. (Funded Invited Talk)

Workshop on Nonlinear Partial Differential Equations, Universidad Complutense de Madrid, June 20, 2013. (Funded Invited Talk)

2013 Atlantic Association for Research in the Mathematical Sciences (AARMS) Summer School on Dynamical Systems and Mathematical Biology, July 16- August 9, 2013, Memorial University, St Johns, Newfoundland, Canada. Funded course on Reaction-Diffusion Equations and Applications (19 lectures with 21 students)

AARMS Workshop on Mathematical Biology, July 29, 2013. (Funded Plenary Talk)

PDE Seminar, Ohio State University, October 9, 2013.

New Mathematical Developments Arising from Ecology, Epidemiology and Environmental Science, October 20, 2013, Beijing International Center for Mathematical Research, Peking University, Beijing, China (Invited Speaker)

National Institute of Mathematical Sciences (Korea) and the Korea Institute of Science and Technology PDE Conference on Reaction-Diffusion Equations for Ecology and Related Problems, Daejeon, Korea, October 23, 2013 (Supported Invited Speaker).

Capitol Normal University, October 28-29, 2013. (Colloquium Talks)

Joint Mathematics Meetings (Special Session on Reaction-Diffusion Equations and Applications), Baltimore, MD, January 18, 2014.

American Mathematical Society Southeastern Sectional Meeting at the University of Tennessee, Knoxville, Special Session on Diversity of Modeling and Optimal Control March 22, 2014.

International Symposium on Mathematical Biology, Guangzhou China, May 25-28, 2014. (Partially Funded Invited Talk)

2014 National Center for Theoretical Sciences International Conference on Nonlinear Dynamics with Applications to Biology, National Center for Theoretical Sciences, National Tsing-Hua University, Hsinchu, Taiwan May 28-30, 2014. (Partially Funded Invited Talk)

2014 Workshop on Differential Equations with Applications, Renmin University of China, June 7-8, 2014, Beijing, China (Partially Funded Invited Talk)

Southwestern University of China, Chongqing, China, June 10, 2014. (Colloquium Talk)

International Workshop on Reaction-Diffusion Equations and Their Applications to Biomath, Capital Normal University, Beijing, China, June 21, 2014. (Partially Funded Invited Talk)

American Institute of Mathematical Sciences (AIMS) 10th Conference on Dynamical Systems, Differential Equations and Applications, Special Session on Nonlinear elliptic and parabolic problems, Madrid, Spain, July 8, 2014.

American Institute of Mathematical Sciences (AIMS) 10th Conference on Dynamical Systems, Differential Equations and Applications, Special Session on Dissipative systems with applications, Madrid, Spain, July 10, 2014.

National Natural Science Foundation of China, Tianyuan Foundation and Xian Jiaotong University Graduate Summer School on Mathematical Biology, Xian, China, six hour guest lecture, August 6-7, 2014. (Funded Plenary Talk)

Applied Mathematics Conference 2014, Oakland University, Rochester, Michigan, September 13, 2014. (Funded Invited Talk)

Joint Mathematics Meetings (Special Session on Theory and Application of Reaction-Diffusion Models), San Antonio, TX, January 18, 2014.

Renmin University of China Institute of Mathematical Sciences Top-Level Foreign Expert Lectures in the Graduate Summer School on Free Boundary Problems in PDEs (Two Lectures), July 2015.

Renmin University of China Institute of Mathematical Sciences Workshop on PDEs with Applications, July 29, 2015.

Workshop on Mathematical Modeling in the Life Sciences, Harbin Normal University, Harbin, China, August 1, 2015. (Plenary Talk)

Harbin Institute of Technology, August 3, 2015. (Colloquium Talk)

International Symposium on Application of Nonlinear Partial Differential Equations in the Life Sciences, Chern Institute of Mathematics, Nankai University, Tianjin, China, August 4, 2015.

International Conference on Models in Population Dynamics and Ecology 2015, Instituto de Matematica e Estatistica de Universidade Federal Fluminense, Niteroi, Rio de Janeiro, August 25, 2015.

Hong Kong Polytechnic University, May 18, 2016.

International Conference on Reaction-Diffusion Equations and Their Applications to the Life, Social and Physical Sciences, Institute for Mathematical Sciences, Renmin University of China, Beijing, China, May 28, 2016.

Tenth International Conference on Recent Advances in Applied Dynamical Systems, Xuzhou, China, June 11, 2016.

American Institute of Mathematical Sciences (AIMS) 11th Conference on Dynamical Systems, Differential Equations and Applications, Orlando, Florida, Special Session on Spatial and Evolutionary Aspects in Ecology and Epidemiology, July 4, 2016.

American Institute of Mathematical Sciences (AIMS) 11th Conference on Dynamical Systems, Differential Equations and Applications, Orlando, Florida, Special Session on New Trends in Nonlinear Partial Differential Equations, July 4, 2016.

XIX Congreso Boliviano de Matematica, Sociedad Boliviana de Matematica, Genesis II, Cochabamba, Bolivia, October 7, 2016. (Recorded Plenary Talk)

Joint Mathematics Meetings, Atlanta, Georgia, January 5, 2017. (Special Session on Analytic and Computational Studies in Mathematical Biology)