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Department of Mathematical Sciences,,
Faculty of Applied Sciences,
Wayamba University of Sri Lanka,
Kuliyapitiya,
Sri Lanka.
Telephone
+94 37 2283170
Fax
+94 37 2283170
maths@wyb.ac.lk
Dr. S.P.D.S.S.K. Karunarathna
B.Sc. (Hons.) (Kelaniya), M.Sc. (Texas Tech), Ph.D. (Texas Tech)
Senior Lecturer (Grade II)
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- PhD in Mathematics, Texas Tech University, USA
- M.Sc. in Mathematics, Texas Tech University, USA
- B.Sc. Special degree in Mathematics, University of Kelaniya, Sri Lanaka
- Smoothing spline models for creating surfaces
- Inverse square potential
- Bag model for quark confinement
- Ordinary Differential Equations
- Partial Differential Equations
- Regression Analysis
- Temporary Senior Lecturer, Wayamba University of Sri Lanka, 2018-2019
- Graduate Part-Time Instructor, Texas Tech University, TX, USA, 2015-2018
- Graduate Teaching Assistant, Texas Tech University, TX, USA, 2013-2015
- Temporary Assistant Lecturer, University of Kelaniya, Sri Lanka, 2011-2012
- Temporary Tutor, University of Kelaniya, Sri Lanka, 2010-2011
- Society for Industrial and Applied Mathematics (SIAM), 2013-2018.
- American Mathematical Society (AMS), 2013-2018.
- Graduate Student Advisory Counsel, Texas Tech University (GSAC), 2016-2018.
- Lakshmi, M.P.D.S. & Karunarathna, S.P.D.S.S.K. (2020). A Smoothing Spline Approach to Represent Ocular Aberrations. Proceedings of the 12th Symposium on Applied Science, Business & Industrial Research, pp. 181-185.
- Ekanayake, H. & Karunarathna, S.P.D.S.S.K. (2020). Study of the Queuing Theory for the Supermarket. Proceedings of the 12th Symposium on Applied Science, Business & Industrial Research, pp. 271-275.
- Karunarathna, S.P.D.S.S.K. & Hithakshika, T.S. (2019). A Computational Model of High Jump Height, International Journal of Scientific and Research Publications (IJSRP), 9(7), pp. 203-210.
- Karunarathna, S.P.D.S.S.K., Wickramasinghe, W.A.A.D. & Piyadasa, R.A. D. (2018). On a Special Solution of Fermat Equation with Respect to P=3, 7 and for any Odd Prime. International Journal of Innovative Research and Knowledge (IJIRK), 3 (7), pp. 303-305.
- Karunarathna, S.P.D.S.S.K. & Iyer, R.V. (2018). Customized Contact Lens Design for Regular and Irregular Vision Defects, PhD Dissertation, Texas Tech University, USA.
- Karunarathna, S.P.D.S.S.K. & Piyadasa, R.A.D. (2011). The Inverse Square Potential and Relativistic Bound States, 12th Annual Research Symposium, University of Kelaniya, Sri Lanka.
- Karunarathna, S.P.D.S.S.K. & Piyadasa, R.A.D. (2011). Possible Quark Confinement by a Non-relativistic Model, 12th Annual Research Symposium, University of Kelaniya, Sri Lanka.
- Ranawaka, R. A. C. S., De Silva, T.M.M. & Karunarathna, S.P.D.S.S.K. (2021). Deterministic and Stochastic Dynamics of Lotka-Volterra Competition Model. International Research Conference 2020 (IRS 2020), Sri Lanka Technological Campus.
- Karunarathna, S.P.D.S.S.K., De Silva, T.M.M. & Ranawaka, R. A. C. S. (2019). Stochastic Modeling of Population Interaction with Allee Effects and Stocking, PGIS Research Congress.
- Karunarathna, S.P.D.S.S.K. & De Silva, T.M.M. (2018). Stochastic Modeling of Lotka-Volterra Competition Model with Allee Effects. PGIS Research Congress.
- A computational model to optimize vision correction via contact lens design, 3rd International Research Symposium on Pure and Applied Sciences (IRSPAS), 2018.
- On the Computation of Point Spread Functions for the Eye after Contact Lens Motion with Application, Life Sciences, SIAM AN17, USA, 2017.
- A System Theoretic Viewpoint of the Human Eye with a Corneal Contact Lens, Texas Systems Day, Texas A & M University, USA, 2017.
- On the Computation of Visual Acuity after Contact Lens Rotation and Decentration, Graduate school poster competition, Texas Tech University, USA, 2017.
- Computation of Wavefront Aberration in Rigid Gas Permeable Corneal Lenses, AMS Session for Contributed Papers, Joint Mathematics Meetings, Georgia, USA, 2017.
- Effect of the Contact Lens Motion on the Vision, Texas Tech University Three minutes Thesis competition, Texas Tech University, USA, 2016.
- On the Computation of the Wavefront After Contact Lens Motion, Mathematical Modeling of the Eye, SIAM Conference of the Life Science, Boston, USA, 2016.
- The Inverse Square Potential and Relativistic Bound States, 12th Annual Research Symposium, University of Kelaniya, Sri Lanka, 2011.
- Possible Quark Confinement by a Non-relativistic Model, 12th Annual Research Symposium, University of Kelaniya, Sri Lanka, 2011.
- Golden Fuller Scholar is awarded from the Department of Mathematics and Statistics of Texas Tech University for academic year 2017-2018 to recognize mathematical talents as demonstrated by high academic achievement.
- Travel Award from the Graduate School of Texas Tech University for SIAM AN 17 Conference.
- John T. White Scholar is awarded from the Department of Mathematics and Statistics of Texas Tech University for academic year 2016-2017 to recognize mathematical talents as demonstrated by high academic achievement.
- Society for Industrial and Applied Mathematics Scholar is awarded from the Department of Mathematics and Statistics of Texas Tech University for academic year 2015-2016 for outstanding mathematical talent and dedication to the Society for Industrial and Applied Mathematics.
- Ronald M. Anderson Scholar is awarded from the Department of Mathematics and Statistics of Texas Tech University for academic year 2014-2015 to recognize mathematical talents as demonstrated by high academic achievement.
- Gordon Fuller Scholar is awarded from the Department of Mathematics and Statistics of Texas Tech University for academic year 2013-2014 to recognize mathematical talents as demonstrated by high academic achievement.
- Chief Examiner and a Re-scrutiny Examiner of G.C.E. (A/L) Combined Mathematics conducted by the Department of Examinations, 2019.
- A resource person, A/L Combined Mathematics Teacher’s Workshop 2019.
- Reviewer, Undergraduate Poster Session-Science Section, Texas Tech University, TX, USA, Mar. 2017.
- Moderator, Mathematical Association of America, General Contributed Paper Session, Joint Mathematics Meetings, Georgia, USA, Jan. 2017.
- Judge, Mathematical Association of America, Undergraduate Poster Session, Joint Mathematics Meetings, Georgia, USA, Jan. 2017.
- Judge, Arts and Humanities Conference-Finance Section, Texas Tech University, TX, USA, Nov. 2016.
- Reviewer, Undergraduate Poster Session-Science Section, Texas Tech University, TX, USA, Apr. 2016.
- Judge, Mathematical Association of America, Undergraduate Poster Session, Joint Mathematics Meetings, Seattle, WA, USA, Jan. 2016.
- Coordinator, DAYATA KIRULA exhibition, BMICH, University of Kelaniya, 2007.
- Chair, AMS, Ordinary Differential Equations, JMM, San Antonio, TX, 2015.
- President, Sri Lankan Students Association, Texas Tech University, TX, USA, August 2015 — August 2016.
