### Recent Special Talks

- "Nonlinear Waves," Graduate Seminar, Sept. 18, 2024.
- "Heaviside’s Operational Calculus, Telegraphy, and the Laplace Transform," Graduate Seminar, Nov. 17, 2023.
- "What is Pi?," Math & Stat Club, March 21, 2023.
- "The Lane-Emden-Fowler Equation," JMM 2023, Boston, MA., Jan 5, 2023.
- "Why Are Green’s Functions Used By Oil Companies and What is a Green’s Function?," Graduate Seminar, September 23, 2022.
- ''The Mathematics of Rainbows and Caustics II,'' Graduate Seminar, April 8, 2022.
- ''The Mathematics of Rainbows and Caustics,'' Graduate Seminar, October 25, 2021.
- "An Intriguing ODE," Graduate Seminar, March 15, 2021.
- "Nonlinear Waves
in Physics: From Solitary Waves and Solitons to Rogue Waves," Webinar,

SRM Institute of Science and Technology Ramapuram, May 13, 2020. - "When Black Holes Collide," STEM Society, OLLI (Osher Lifelong Learning Institute), March 5, 2020.
- "How Many Atoms Does It Take to Show 15 = 3(5)?," UNCW College Day, November 16, 2019.
- "Asymptotic Solutions to Hard Problems," Graduate Seminar, Nov 2018.
- "Fractals in Nature and Mathematics: From Simplicity to Complexity", STEM Society, OLLI (Osher Lifelong Learning Institute), October 13, 2017.
- "Sensor Overload for iSTEM Experimental Design, Collection, Graphing, and Analysis of Data," UNCW Integrated STEM conference, May 20, 2017.
- "Can One Hear the Shape of a Drum?," Student Awards Ceremony Keynote, April 11, 2017.
- "Is Time Real or an Illusion? The Physics of Time", OLLI (Osher Lifelong Learning Institute), Feb 16, 2017.
- "From Solitary Waves to Rogue Waves Solutions of Nonlinear Evolution Equations," UNCW Graduate Seminar, Jan 26, 2017.
- "Listening for Einstein's Ripples in the Fabric of the Universe," UNCW College Day, October 29 2016.
- "Online Publishing," 21st Century Publishing, panel member, UNCW, Sep 28 2016.
- "Cooking with a Pinch of Physics and a Dash of Math," UNCW College Day, Oct 24, 2015.
- "Open Access in Teaching and Research," Open Access Week panel member, UNCW, Oct 19 2015.
- "Butterflies, Ferns, and Fractal Landscapes: The Emergence of Complexity from Simple Systems," UNCW College Day, Oct 25, 2014.
- "The Ends of Time", panel on "Does Anybody Really Know What Time It Is?", UNCW, Feb 20, 2013.
- "Window to the Dark Side of the Universe", OLLI (Osher Lifelong Learning Institute), March 2, 2012.
- "Going Rogue: From 'The Great Wave of Translation' to Rogue Ocean Waves", UNCW College Day, Nov 12, 2011.
- "Mathematics and Physics in the Movies", UNCW College Day, Nov, 2010.
- "The First Three Minutes of the Universe", UNCW College Day, October 2008, UNCW.

**Lectures
Presented**

- "Nonlinear Waves in Physics: From Solitary Waves and Solitons to Rogue Waves," Webinar, SRM Institute of Science and Technology Ramapuram, May 13, 2020.
- "Introducing Elliptic Functions via Simulations of Nonlinear Differential Equations, MAA-SE 2018, Clemson University, SC, March 2018.
- “Solving ODEs with Simulink,” ICTCM, Atlanta GA, March 11, 2016.
- "Spherical Turkeys and Vibrating Balloons," MAA-SE 2015, Wilmington, NC, March 2015.
- "Budget Cuts Threaten Physics Departments. Is Your Department Next?", SEASAPS Invited Talk and Discussion, Asheville, NC, Fall 2011.
- "Adventures in 3D Modeling Using VPython", Twenty-first International Conference on Technology in Collegiate Mathematics, New Orleans, LA, March, 2009, jointly with G. Lugo.
- "Mathcasts of Reusable Learning Resources", Twenty-first International Conference on Technology in Collegiate Mathematics, New Orleans, LA, March, 2009, jointly with G. Lugo.
- “Propagation of Solitons Under Colored Noise”, MAA-AMS Joint Meetings, Washington, DC, Jan 2009.
- "Are Solitary Waves Color Blind to Noise?", MAA-SE 2008, Charleston, SC, March 2008.
- "Open Source Resources for Teaching and Research in Mathematics", Twentieth International Conference on Technology in Collegiate Mathematics, San Antonio, TX, March, 2008, jointly with G. Lugo.
- "
*Mobile Learning Environments and Virtual Mathematics Spaces*," MAA-AMS Joint Meetings, San Diego, CA, Jan 2008. - "Physics Bytes: Podcasting in the Physics Classroom", AAPT Summer Meeting, Greensboro, NC, July 2007.
- "How Small is Small?", UNCW Chapter of the Society for Physics Students, April 2007.
- "Numerical Realizations of Solutions of the Stochastic KdV Equation", The Fifth IMACS International Conference on Nonlinear Evolution Equations and Wave Phenomena: Computation and Theory, Athens, GA, April 2007.
- "iPods: Reducing Mathematics to Sound/Video Bites", Nineteenth International Conference on Technology in Collegiate Mathematics, Boston, MA, February, 2007, jointly with G. Lugo.
- "TiddlyWiki Math: Course Pages with Embedded Math", Nineteenth International Conference on Technology in Collegiate Mathematics, Boston, MA, February, 2007, jointly with G. Lugo.
- "What Should Undergraduates Know About Gravitation?", UNCW Physics, November, 2006.
- "How Does a PDE Chef Bake a Cake?", 26th Annual Southeastern-Atlantic Regional Conference on Differential Equations, University of North Carolina at Greensboro, Greensboro, NC, October, 2006.
- "Lessons on Teaching General Relativity and Differential Geometry Courses", AAPT Workshop Syracuse, NY, July 2006, poster.
- "Numerical Realizations of the Stochastic KdV Equation With and Without Damping", SIAM, Boston, MA, July 2006.
- "Using Math Journal and Other Pen-Driven Software in the Classroom", Eighteenth International Conference on Technology in Collegiate Mathematics, Orlando, FL, March, 2006, given by G. Lugo.
- "Tablet PC's in Mathematics: The VLC Project", Eighteenth International Conference on Technology in Collegiate Mathematics, Orlando, FL, March, 2006, given by G. Lugo.
- "Predicting the Future of the Solar System: Nonlinear Dynamics, Chaos and Stability", UNCW Physics, February 2006.
- "Harmonic Analysis and the Prediction of Tides", UNCW Mathematics and Statistics Department Seminar, October 2005.
- “Revisiting Quasistationary Perturbation Theory for Equations in 1+1 Dimensions”, SIAM-SEAS 2005 Charleston, SC, March 2005.
- “Card Shuffling as a Dynamical System”, UNCW Mathematics and Statistics Department Seminar, Fall 2004.
- “Explorations of Signal Processing in High School and Beyond”, Seventeenth International Conference on Technology in Collegiate Mathematics, Orlando, FL, Nov. 2004, jointly with G. Lugo.
- “Review of Mathematics Software for Pocket PCs”, Seventeenth International Conference on Technology in Collegiate Mathematics, Orlando, FL, Nov. 2004, jointly with G. Lugo.
- “Exploring the Connection Between Quasistationary and Squared Eigenfunction Expansion Techniques in Soliton Perturbation Theory”, Proceedings of the 2004 World Conference of Nonlinear Analysts, Orlando, FL, July 2004.
- "Transfer Matrix Approach to Solving Linear Geostrophic Wave Equations" Southeastern Section of the American Physical Society, November 2003.
- "Maxima, LaTex and Maple in Pocket PC's", Sixteenth International Conference on Technology in Collegiate Mathematics, Chicago, IL, Nov. 2003, jointly with G. Lugo.
- "Soliton Propagation in Optical Fibers",
March 21, 2003, Physics Department, UNCW
**.** - "Current and Future Prospects for Pocket
PC's in Higher Education", CAUSE 2003, Kuiper, Vetter, Ward, Lugo, Herman,
Reeves
**.** - "Mathematics on Pocket PCs", Proceedings of the Fifteenth International Conference on Technology in Collegiate Mathematics. Addison Wesley (NR), 2002, jointly with G. Lugo.
- "Inverse Problems for Vibrating Beams", Proceedings of the Fifteenth International Conference on Technology in Collegiate Mathematics. Addison Wesley (NR), 2002, jointly with G. Lugo.
- "The Role of Squared Legendre Functions in Perturbations of the KdV Soliton", 20th Annual Southeastern-Atlantic Regional Conference on Differential Equations, University of Tennessee, Knoxville, TN, October, 2002.
- "Direct Soliton Perturbation Methods", The Fourth Annual Conference on Dynamical Systems and Differential Equations, UNCW, May 2002.
- "Digital Libraries in Mathematics", Math NSDL Meeting, MAA Headquarters, Washington, DC, Feb. 2002.
- "The Lie Symmetries of the Vaidya Equation", AMS-MAA Joint Mathematics Meetings, New Orleans LA, January, 2001.
- "Models of Linear and Nonlinear Wave Propagation", Marine Science Seminar, Center for Marine Science, Myrtle Grove, NC, October 29, 2001.
- "Using Handheld Computers to Enhance Student Learning Using a Web-based Student Response System", ICTCM, 14th Annual International Conference on Technology in Collegiate Mathematics, Baltimore, MD, November 2001, with G. Lugo.
- "The iLumina Project and Other Digital Libraries in the Mathematics Classroom", ICTCM, 14th Annual International Conference on Technology in Collegiate Mathematics, Baltimore, MD, November 2001, with G. Lugo.
- "Mapping total environmental sound exposure of bottlenose dolphins, Tursiops truncatus, in the Wilmington, North Carolina Intracoastal Waterway", Genevieve M. Haviland, Laela S. Sayigh, Adam S. Frankel, Christopher M. Powell, Alessandro Bocconcelli, Russell L. Herman, MTS/IEEE Oceans 2001, Honolul, HI, November 2001, presented by G. Haviland.
- "On Computing the Symmetries of the Vaidya Equation", 20th Annual Southeastern-Atlantic Regional Conference on Differential Equations, Virginia Tech, Blacksburg, VA, October, 2000.
- "Visual Basic Modules in the Classroom", ICTCM, 13th Annual International Conference on Technology in Collegiate Mathematics, Atlanta, GA November 2000, with G. Lugo.
- "Digital Libraries for Science and Mathematics", ICTCM, 13th Annual International Conference on Technology in Collegiate Mathematics, Atlanta, GA November 2000, with G. Lugo.
- "Mathboard: Live Mathematical Content for Your Web Page", Minicourse by Jeff Brown at ICTCM, 13th Annual International Conference on Technology in Collegiate Mathematics, Atlanta, GA November 2000, helped J. Brown with G. Lugo.
- "The Perturbed Toda Lattice", AMS Session on Partial Differential Equations, Joint Mathematics Meetings, Washington, D.C., January, 2000.
- "The Modified Iterative Method for Relaxation Schemes of Solving Nonlinear Boundary Value Problems", AMS Session on Integral Equations and Applications, Joint Mathematics Meetings, Washington, D.C., January, 2000, with A.J. Jerri.
- "Can We Control Chaos in Our Computations?", ICTCM, 12th Annual International Conference on Technology in Collegiate Mathematics, San Francisco, CA, November 1999.
- "Teaching Mathematics Through Sound and Images: Mathematics of Music", ICTCM, 12th Annual International Conference on Technology in Collegiate Mathematics, San Francisco, CA, November 1999, with Lugo.
- "On Computing the Symmetries of the Vaidya Equation", 19th Annual Southeastern-Atlantic Regional Conference on Differential Equations, University of Virginia, Richmond, VA, October, 1999.
- "Scattering of Rossby Waves from Piecewise-linear Topographies Using the Transfer Matrix Method", 18th Annual Southeastern-Atlantic Regional Conference on Differential Equations, Auburn University, Auburn, AL, October, 1998
- "Creating Web Animations for Web Instruction", ICTCM, 11th Annual International Conference on Technology in Collegiate Mathematics, New Orleans, LA, November 1998, workshop conducted with G. Lugo.
- "On-line Toolbook Applets for Calculus", ICTCM, 11th Annual International Conference on Technology in Collegiate Mathematics, New Orleans, LA, November 1998.
- "VIT: Using Video and Image Analysis to Enhance Calculus and Differential Equations", ICTCM, 10th Annual International Conference on Technology in Collegiate Mathematics, Chicago, IL, November 1997
- "Creating Web Animations for Web Instruction", ICTCM, 10th Annual International Conference on Technology in Collegiate Mathematics, Chicago, IL, November 1997, workshop conducted with G. Lugo,.
- "Simulating Waves on a Spider Web", North Carolina American Association of Physics Teachers 2nd Annual Meeting, UNCW, March 1997.
- "Assessing Learning in The MCP Project", 9th Annual International Conference on Technology in Collegiate Mathematics, Reno, NV, November 17-20, 1997 with G. Lugo.
- Workshop on "Electronic Data Acquisition in Calculus and Differential Equations", 9th Annual International Conference on Technology in Collegiate Mathematics, Reno, NV, November 17-20, 1997 with G. Lugo.
- "Symmetry Reductions of the Two-Dimensional KdV-Burgers and Zabolotskaya-Khoklov Equations", Sixteenth SouthEastern-Atlanic Regional Conference on Differential Equations, Atlanta, GA, Nov 1996.
- "Using Computers in the Classroom", Multimedia Presentation, North Carolina Mathematical Association of Two Year Colleges, Sanford, NC, April 12, 1996, with G. Lugo.
- "MCP Calculus CD-ROM", Multimedia Presentation ,, 8th Annual International Conference on Technology in Collegiate Mathematics, Houston, TX, November 16-19, 1995 with G. Lugo.
- Workshop on "Hypermedia Instruction in Mathematics", 8th Annual International Conference on Technology in Collegiate Mathematics, Houston, TX, November 16-19, 1995, with G. Lugo.
- "Painleve' Analysis of Perturbed Nonlinear Evolution Equations", Southeastern-Atlantic Regional Conference on Differential Equations, N.C. State University, Raleigh, NC, Oct 1995.
- "Soliton Perturbations in Continuous and Discrete Systems", KdV '95, International Symposium, Amsterdam, The Netherlands, April 23-26, 1995.
- "Technology in the Calculus Classroom", Seventh International Conference on Technology in Collegiate Mathematics, Orlando, FL, Nov 17-19, 1994.
- "Technology in the Calculus Classroom", NC State, Raleigh, NC, Oct, 1994.
- "Numerically Induced Soliton Perturbations", at the 10th Workshop on Nonlinear Evolution Equations and Dynamical Systems, Los Alamos National Laboratory, NM, Sept 11-18, 1994.
- "Technology in the Calculus Classroom", Clarkson University, Potsdam, NY, June, 1994.
- "Chaos and Dynamical Systems on the PC", Mathematical Sciences Department, UNCW, Wilmington, NC, Apr. 1994.
- "Solitary Wave Propagation in the Ocean and the Atmosphere", Physics Department, UNCW, Wilmington, NC, Feb. 1994.
- "A Perturbation Theory for Gravitational Solitons", International Lanczos Conference, Raleigh, NC, Dec 1993.
- "Technology in the Calculus Classroom", Sixth International Conference on Technology in Collegiate Mathematics, Parsipanny, NJ, Nov 4-7, 1993.
- "Soliton Dynamics for Near Integrable Differential-Difference Equations", at the 9th Workshop on Nonlinear Evolution Equations and Dynamical Systems, Lecce, Italy, Sept 3-12, 1993.
- "Solitons and the Inverse Scattering Transform", Eastern Carolina University, Greenville, NC, Apr. 1993.
- "Solitons and the Inverse Scattering Transform", Amoco Research Center, Tulsa, OK, Dec. 1992.
- "Soliton Dynamics for Near Integrable Differential-Difference Equations", at the Midwest-Southeastern Atlantic Second Joint Regional Conference on Differential Equations, University of Kentucky, Lexington, KY, Nov. 1992.
- "The Perturbed Toda Lattice'', at the joint meetings of the American Mathematical Society and the Mathematical Association of America, Orono, ME, Aug. 1991.
- "A Direct Approach to Studying Soliton Perturbations,'' at the Southeastern -Atlantic Regional Conference on Differential Equations, Virginia Polytechnic Institute, Blacksburg, VA, Nov. 1990.
- "Lax Pairs, Recursion Operators and the Perturbation of Nonlinear Evolution Equations'', American Mathematical Society Summer Research Conference on Inverse Scattering and Applications, Amherst, MA, June 1990.
- "Soliton Dynamics in the Presence of Perturbations,'' at the Mathematical Sciences Department of the University of North Carolina at Wilmington, Wilmington, NC, 1990.
- "Modifying Relaxation Schemes for Solving Nonlinear Boundary Value Problems'', at the joint meetings of the American Mathematical Society and the Mathematical Association of America, Louisville, KY, 1990.
- "The Solution of the Poisson-Boltzmann Equation Between Two Spheres- A Modified Iterative Method'', at the American Mathematical Society's Centennial Meeting, Providence, RI, 1988.
- "Soliton Perturbations'', at the Mathematics Department of St. Lawrence University, Canton NY, 1988.
- "Soliton Perturbations'', at the Physics Department of New Mexico State University, Las Cruces, NM, 1988.
- "Application of Normal Forms to Dynamical Systems'', at the Physics Department of New Mexico State University, Las Cruces, NM, 1988.

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