Athula Gunawardena

Professor and Chair
Department of Computer Science
University of Wisconsin-Whitewater

    Research Interests

    Mathematical Programming and Optimization, Algebra and Combinatorics


  1. Athula Gunawardena, Michael C. Ferris, Robert R. Meyer, A network approach for segmentation in intensity modulated arc therapy, Optimization Methods and Software 28(2): 276-299 (2013)
  2. Athula Gunawardena, Robert R. Meyer, William L. Dougan, Patrick E. Monoghan and Choton Basu, Optimal Selection of an Independent Set of Cliques in a Market Graph, International Proceedings of Economics Development & Research; 2012, Vol. 29, p281-285.
  3. John Fuelberth, Athula Gunawardena and David Shaffer, On incidence structures of nonsingular points and hyperbolic lines of ovoids in finite orthogonal spaces, Designs, Codes and Cryptography (2009)
  4. Athula Gunawardena and Robert R. Meyer, Discrete Approximations to Real-Valued Leaf Sequencing Problems in Radiation Therapy, Discrete Applied Mathematics, (2008) 156-17, 3178-3186
  5. Athula Gunawardena and Robert R. Meyer, Equi-partitioning of Higher Dimensional Hyper Rectangular Grid Graphs, Journal of Graph Algorithms and Applications, (2007) 11-1, 83-98.
  6. Athula Gunawardena, Warren D. D’Souza, Laura D. Goadrich, Robert R. Meyer, Kelly J. Sorensen, Shahid A. Naqvi and Leyuan Shi,A Difference-Matrix Metaheuristic for Intensity Map Segmentation in Step-and-Shoot IMRT Delivery, Physics in Medicine and Biology (2006) 51, 2517-2536
  7. Athula Gunawardena and Robert R. Meyer, Approximation and Segment Count Reduction in Intensity Modulated Radiation Therapy, IEEE conference proceedings, Industrial and Information Systems, University of Peradeniya, Sri Lanka, (2006), 318-323.
  8. Athula Gunawardena, Primitive Ovoids in O8+(q), Journal of Combinatorial Theory, Series A, (2000) 89, 70-76.
  9. John Fuelberth and Athula Gunawardena, On Ovoids in Orthogonal Spaces of Type O5(q), The Journal of Combinatorial Mathematics and Combinatorial Computing, (1999) 29, 79-86.
  10. Athula Gunawardena, On two-graphs of ovoids in O2n+1(q), European Journal of Combinatorics, (1997) 18, 857-858.
  11. John Fuelberth and Athula Gunawardena, 4-Caps in Orthogonal Spaces , Finite Geometries, Editor: Norman L. Johnson, Lecture Notes in Pure and Applied Mathematics, Marcel Dekker, Inc., (1997) 190, 207-212.
  12. Athula Gunawardena and Eric Moorhouse, Nonexistence of ovoids in O9(q), European Journal of Combinatorics, (1997) 18, 171-173.


  1. Athula Gunawardena, Michael C. Ferris, Robert R. Meyer, Optimal Delivery System for IMAT Radiotherapy, US Patent: US 2013/0077751 Al, Sponsored by Wisconsin Alumni Research Foundation (WARF), 2013.


  1. Athula Gunawardena and Robert R. Meyer, Algorithms on Discrete Near Optimal Partitions: Applications in Higher Dimensional Domain Decomposition, Intensity Modulated Radiation Therapy (IMRT) including Arc Therapy (IMAT) VDM Verlag, Germany (2009).

This page was created by:

Athula Gunawardena,
Last modified on May 2, 2015