Presentations

• burgers_2012_ornl.pdf, "Parallel Collocation for Uncertainty Quantification on High Performance Systems", a talk given at Oak Ridge National Laboratory, 02 May 2012.
• burgers_2013_ajou.pdf, "Investigating Uncertain Parameters in the Burgers Equation", presented to the Mathematics Department, Ajou University, Suwon, Korea, 13 August 2013.
• careers_2023_mst.pdf, "Careers for Mathematics and Statistics Graduates", a presentation on career options, made to graduate students in the Department of Mathematics and Statistics at the Missouri University of Science and Technology, on 16 October 2023.
• careers_2023_pitt.pdf, "Career Options for mathematics PhD graduates", a presentation on career options, made to the incoming graduate student class in the Department of Mathematics at the University of Pittsburgh, on 25 August 2023.
• chain_2014_fsu.pdf, "The Curse in the Mail Box: the Message in Chain Letters", a work in progress.
• climate_2011_fsu.pdf, "The Big Thaw: Simulating Greenland's Future", presented to the FSU Department of Scientific Computing Graduate Student Seminar, 08 April 2011.
• continuation_2014_fsu.pdf, "The Continuation Method for Algebraic Equations", a short discussion of the basic continuation method, demonstrated by seeking a sequence of points on the unit circle. This document was prepared for a graduate student who wanted to know how to discretize a boundary curve defined by a formula;
• cvt_basis.pdf, "The CVT Basis Generation Algorithm";
• cvt_periodic_2016_fsu.pdf, "A periodic Centroidal Voronoi Tessellation"; presented at the Scientific Communication Conference, 03 August 2016, Florida State University;
• delaunay_refinement.pdf, "The Number of Nodes in Delaunay Mesh Refinement on a Sphere";
• fem_basis_2013_fsu.pdf, "The Finite Element Basis for Simplices in Arbitrary Dimensions";
• freefem_chrispell, John Chrispell, Jason Howell,
  Finite Element Approximation of Partial Differential Equations Using FreeFem++, or, How I Learned to Stop Worrying and Love Numerical Analysis,
  presented to the SIAM Student Chapter Seminar,
  University of South Carolina,
  13 February 2007.
• fsu_student_talk.pdf, "Thoughts on the job process for Ph.D.-level jobs in mathematics and computational mathematics";
• genetic_2013_fsu.pdf, "Genetic Algorithms", presented to the Junior Seminar, FSU Department of Scientific Computing, 04 February 2013.
• genetic_2013_trinity.pdf, "Genetic Algorithms", presented to the Undergraduate Seminar, Trinity University, San Antonio, Texas, 21 February 2013.
• hermite_interpolant_2011_fsu.pdf, "Computing the Hermite Interpolant Polynomial", a discussion of the standard interpolating polynomial, the simple Hermite interpolating polynomial (function values plus derivatives), and a procedure for computing it;
• hypersphere_2013_san_diego.pdf "A Hyperspherical Method for Discontinuity Location in Uncertainty Quantification", presented at the SIAM Annual Meeting, San Diego, California, 8-12 July 2013;
• hypersphere_2014_siam_seas.pdf "A Hyperspherical Method for Discontinuity Location in Uncertainty Quantification", presented at the SIAM SEAS conference, Florida Institute of Technology, Melbourne, Florida, 28-30 March 2014;
• infinity_2010_upg.pdf, "The Capture of Infinity", presented to the Math Club of the University of Pittsburgh at Greensburg, Spring 2010;
• infinity_2011_upg.pdf, "The Capture of Infinity", presented to the Math Club of the University of Pittsburgh at Greensburg, 07 December 2011;
• infinity_2023_pitt.pdf, "The Capture of Infinity", presented to the Math Club of the University of Pittsburgh, 11 April 2023;
• interp1d_2012_ornl.pdf, "The Interpolation Problem in 1D", a talk given at Oak Ridge National Laboratory, 20 August 2012.
• jacobi_poisson_1d.pdf, "Jacobi Iterative Solution of Poisson's Equation in 1D";
• kl_2012_fsu.pdf, "Covariance, Correlation, and the KL-Expansion";
• matlab_fast_2010_fsu, "Fast Programs, Big Problems" presented to the FSU Department of Scientific Computing class, ISC 3222-01, "Symbolic and Numeric Calculations", Professor Ming Ye, 12:20-1:10pm, 152 DSL, 19/22 November 2010.
• matlab_fast_2012_fsu, "Fast Programs, Big Problems" presented to the FSU Department of Scientific Computing class, ISC 3222-01, "Symbolic and Numeric Calculations", Professor Ming Ye, 12:20-1:10pm, 152 DSL, 5/7 November 2012.
• matlab_fast_2012_tulane.pdf, "Maximum MATLAB", a talk presented to the mathematics graduate students at Tulane University, New Orleans, 12 January 2012;
• matlab_parallel.pdf, "Parallel Programming with MATLAB", by John Burkardt and Gene Cliff.
• matlab_parallel_2011_fsu.pdf, "Parallel MATLAB at FSU: PARFOR and SPMD", presented at the FSU Department of Scientific Computing, 31 March 2011.
• matlab_parfor_2011_vt.pdf, "Parallel MATLAB: Parallel FOR Loops", a presentation to the Mathematics Department at Virginia Tech, 31 May 2011;
• matlab_parfor_2012_fsu.pdf, "Parfor for MATLAB", a talk on parallel programming with PARFOR in MATLAB, given in the FSU Department of Scientific Computing Summer Seminar Series, 24/26 July 2012.
• matlab_spmd_2011_vt.pdf, "Parallel MATLAB: Single Program Multiple Data", a presentation to the Mathematics Department at Virginia Tech, 02 June 2011;
• matlab_tasks_2011_fsu.pdf, "Parallel MATLAB at FSU: Task Computing", presented at the FSU Department of Scientific Computing, 07 April 2011.
• matmul_1995_psc.pdf, "MATMUL: An interactive matrix multiplication benchmark", presented at the Pittsburgh Supercomputing Center, 10 July 1995.
• mesh_2012_fsu.pdf, "How to Make a Mesh", a talk on generating meshes for 2D, 2.5D, and 3D, given in the FSU Department of Scientific Computing Summer Seminar Series, 10/12 July 2012.
• mesh_2014_fsu.pdf, "How to Make a Mesh", a talk on generating meshes in two dimensions, presented to the FSU Department of Scientific Computing Graduate Student Seminar ISC5934, 11 April 2014.
• mesh_2016_fsu.pdf, "How to Make a Mesh", a talk on generating meshes, presented to the FSU Department of Scientific Computing Graduate Student Seminar ISC5934, 22 January 2016.
• mesh_2016_greensburg.pdf, "My Computer Dreams in Triangles", a talk on generating meshes, presented to the Conference for Careers and Undergraduate Research in the Natural Sciences, University of Pittsburgh at Greensburg, 16 April 2016.
• mesh_2021_pitt.pdf, "This is a fine mesh you've gotten me into!", a talk on generating meshes, presented to the Mathematics Club at Pitt, University of Pittsburgh, 26 October 2021.
• mesh_2021_pitt_6up.pdf, "This is a fine mesh you've gotten me into!", a talk on generating meshes, presented to the Mathematics Club at Pitt, University of Pittsburgh, 26 October 2021, printed 6 slides to a page.
• midpoint_2022_vt.pdf, "The Halfway Way", a talk on the implicit midpoint method, presented at the ICAM Conference honoring Terry Herdman, Virginia Tech, 01 June 2022.
• midpoint_2023_denver.pdf, "A Midpoint Stress Test", a talk on a series of tests of the implicit midpoint method, presented at the Secret Planning Conference, Denver, 28 October 2023.
• model_problems.pdf, "Model Problems", a presentation of some sample problems for mathematical modeling, given at Virginia Tech, 04 May 2013.
• mpi_2005_fsu.pdf, "Introduction to MPI", presented to the Graduate Seminar, FSU School of Computational Science, 21 October 2005.
• mpi_2008_acs2.pdf, "Distributed Memory Programming with MPI", presented to the Advanced Computational Science II class, FSU Department of Scientific Computing, 16/18 October 2008.
• mpi_2008_acs2_exercises.pdf, "Distributed Memory Programming with MPI: Exercises", presented to the Advanced Computational Science II class, FSU Department of Scientific Computing, 16/18 October 2008.
• mpi_2009_ajou.pdf, "MPI Distributed Programming", presented to the Mathematics Department, Ajou University, Suwon, Korea, 13 May 2009.
• mpi_2009_vt.pdf, "MPI Distributed Programming", presented to the Faculty Development Institute Summer Track V, Virginia Tech, 26-28 May 2009.
• mpi_2011_acs2.pdf, "Distributed Memory Programming with MPI", presented to the Advanced Computational Science II class, FSU Department of Scientific Computing, 25/27 October 2011.
• mpi_2011_acs2_exercises.pdf, "Distributed Memory Programming with MPI: Exercises", presented to the Advanced Computational Science II class, FSU Department of Scientific Computing, 01 November 2011.
• mpi_2012_acs2.pdf, "Distributed Memory Programming with MPI", presented to the Advanced Computational Science II class, FSU Department of Scientific Computing, 18/23 October 2012.
• mpi_2012_acs2_exercises.pdf, "Distributed Memory Programming with MPI: Exercises", presented to the Advanced Computational Science II class, FSU Department of Scientific Computing, 23 October 2012.
• mpi_2012_fsu.pdf, "Distributed Memory Programming with MPI", presented to the Parallel and Distributed Monte Carlo Methods class, FSU Department of Scientific Computing, 13 July 2012.
• mpi_2013_acs2.pdf, "Distributed Memory Programming with MPI", presented to the Advanced Computational Science II class, FSU Department of Scientific Computing, 10/15 October 2013.
• mpi1_2008_vt.pdf, "Introductory MPI", presented to the Faculty Development Institute Summer Track V class, Virginia Tech, 10-12 June 2008.
• mpi2_2008_vt.pdf, "Using MPI", presented to the Faculty Development Institute Summer Track V class, Virginia Tech, 10-12 June 2008.
• multigrid_poisson_1d.pdf, "Multigrid Iterative Solution of Poisson's Equation in 1D";
• openmp_2013_acs2.pdf, "Shared Memory Programming with OpenMP", presented to the Advanced Computational Science II class, FSU Department of Scientific Computing, 03/05 October 2013.
• pagerank_2020_pitt.pdf, "The PageRank Problem", presented to the MATH1310 Graph Theory class, Department of Mathematics, University of Pittsburgh, 06 March 2020.
• peridynamic_quadrature.pdf, "Quadrature Rules for Peridynamics Problems", by Miroslav Stoyanov.
• polyominoes_2018_pitt.pdf, "The Shattered Urn: Rebuilding Objects with Linear Algebra", a talk given to the Numerical Mathematics Colloquium, at the University of Pittsburgh, 20 November 2018.
• polyominoes_2018_sc.pdf, "The Shattered Urn: Rebuilding Objects with Linear Algebra", a talk given to the SIAM Graduate Colloquium at the University of South Carolina, 13 November 2018.
• polyominoes_2018_upg.pdf, "The Shattered Urn: Rebuilding Objects with Linear Algebra", a talk given to the SIAM Colloquium and Seminar Series at the University of Pittsburgh at Greensburg, 15 November 2018.
• sgmga_1d_rules.pdf, "1D Quadrature Rules for Sparse Grids".
• sgmga_ccs.pdf, "Slow Exponential Growth for Clenshaw Curtis Sparse Grids".
• sgmga_coefficient.pdf, "The Combining Coefficient for Anisotropic Sparse Grids".
• sgmga_counting.pdf, "Counting the Abscissas in Sparse Grids".
• sgmga_gls.pdf, "Slow Growth for Gauss Legendre Sparse Grids".
• sgmga_gps.pdf, "Slow Exponential Growth for Gauss Patterson Sparse Grids".
• sgmga_precision.pdf, "On the precision of certain multidimensional quadrature schemes".
• shallow_water_2012_fsu.pdf, "What Makes the Ocean Wave?", a talk on approximating the shallow water equations, focussing on a simple code by Cleve Moler, given in the FSU Department of Scientific Computing Summer Seminar Series, 17/19 July 2012.
• siam_uq_2012_part1.pdf, "Analysis of SPDE's and numerical methods for UQ, Part I: Background, motivation, and tools of the trade", a tutorial presented at the SIAM Conference on Uncertainty Quantification, 03 April 2012, by Clayton Webster and John Burkardt.
• siam_uq_2012_part2.pdf, "Analysis of SPDE's and numerical methods for UQ, Part II: Well-posed SPDE's, regularity and numerical approximations", a tutorial presented at the SIAM Conference on Uncertainty Quantification, 03 April 2012, by Clayton Webster and John Burkardt.
• siam_uq_2012_part3.pdf, "Analysis of SPDE's and numerical methods for UQ, Part III: The Sparse Collocation Method", a tutorial presented at the SIAM Conference on Uncertainty Quantification, 03 April 2012, by Clayton Webster and John Burkardt.
• siam_uq_2012_part4.pdf, "Analysis of SPDE's and numerical methods for UQ, Part IV: Convergence of the sparse grid SCFEM and applications to stochastic inverse problems", a tutorial presented at the SIAM Conference on Uncertainty Quantification, 03 April 2012, by Clayton Webster and John Burkardt.
• slow_growth_2014_savannah.pdf, "Slow Growth for Sparse Grids", a presentation for the SIAM Uncertainty Quantification meeting, 31 March - 03 April 2014.
• slow_growth_paper.pdf, "On a Slow Growth Rule for Sparse Grids".
• snakes_2014_fsu.pdf, "Snakes and Ladders", a presentation to Max Gunzburger's research group, Florida State University, 16 September 2014.
• sparse_2013_ajou.pdf, "Sparse Grid Collocation for Uncertainty Quantification", presented to the Mathematics Department, Ajou University, Suwon, Korea, 14 August 2013.
• sparse_2014_fsu.pdf, "Sparse Grid Collocation for Uncertainty Quantification", presented to Max Gunzburger's research group, Florida State University, 13 February 2014.
• sparse_interpolant.pdf, "The Sparse Grid Interpolant".
• sphere_grid_2013_trinity.pdf, "Gridding the Earth for Climate Models", presented at Trinity University, San Antonio, Texas, 20 February 2013.
• sphere_grid_2014_fsu.pdf, "Gridding the Earth for Climate Models", presented to the FSU Department of Scientific Computing Graduate Student Seminar ISC5934, 21 February 2014.
• sphere_grid_2016_vt.pdf, "Parallel Quality Meshes for Earth Models", presented to the Virginia Tech Advanced Research Computing Center, 04 October 2016.
• stochastic_integrals_2013_fsu.pdf, "Approximating Integrals for Stochastic Problems", for presentation to the FSU class on "Numerical Methods for Stochastic Differential Equations", 26/28 February, 5/7/19/21 March 2013.
• stokes_2013_tulane.pdf, "Finite Elements for the (Navier) Stokes Equations", a talk on the computational issues involved in setting up a finite element solution for the Stokes or Navier Stokes equations of fluid flow, presented at Tulane University, New Orleans, 12 November 2013.
• stokes_2014_fsu.pdf, "Finite Elements for the Steady Stokes Equations", a talk on the computational issues involved in setting up a finite element solution for the steady Stokes equations of fluid flow, presented at Florida State University, 23 June 2014.
• t_puzzle_2022_pitt.pdf, "Cracking the Humpty Dumpty Case: Reconstructing Broken Objects Using Linear Algebra", presented to the Mathematics Club, University of Pittsburgh, 02 March 2022.
• t_puzzle_2022_upg.pdf, "Cracking the Humpty Dumpty Case: Reconstructing Broken Objects Using Linear Algebra", presented to AMCUS 2022, University of Pittsburgh at Greensburg, 09 April 2022.
• t_puzzle_2022_vt.pdf, "How to make T when Ax=b: Putting Humpty Dumpty Back Together Again", presented at the ICAM Conference honoring Terry Herdman, Virginia Tech, 01 June 2022.
• truncated_normal.pdf, "The Truncated Normal Distribution", a discussion of the derivation, formulation, parameterization, sampling, quadrature and computation for the truncated normal distribution.
• truncated_normal_2013_fsu.pdf, "Truncated Normal Collocation", presented to Max Gunzburger's Research Group, Florida State University, 07 September 2013.
• truncated_normal_2014_fsu.pdf, "Truncated Normal Collocation", presented to the FSU Department of Scientific Computing Graduate Student Seminar ISC5934, 14 February 2014.
• voronoi_neighbors.pdf, "Determining Voronoi Neighbors Using MATLAB's voronoin() Command".