Email Address | : | gamage@kln.ac.lk |
Telephone No | : | +94 (0)11 2 903 301 (ext: 301) |
Fax | : | +94 (0) 112 903 319 |
Office Location | : | B1 341 |
Teaching | : | |
Office hours available for students. | ||
Google Scholar | ||
Research Gate | ||
ORCID |
|
|
|
|
|
Full Papers:
01. H. M. N. Wickramasinghe,N. G. A. Karunathilaka,D. M. T. Gnanarathne,L. Ajith DeSila, K. M. S. P. Bandara, T. M. W. J. Bandara, Investigation of the mixed cation effect and the irradiance level dependence on the efficiency of dye‑sensitized solar cells, Ionics (online), 2023.
02. Takao Fujimoto, NGA Karunathilake, Ravindra R Ranade, Corrigenda: Bitmatrix games have a quasi-strict equilibrium: An alternative proof through a heuristic approach, The Teaching of Mathematics 22(2), 86-90, 2019.
03. T Fujimoto, NGA Karunathilake, RR Ranade Bimatrix games have a quasi-strict equilibrium: an alternative proof through a heuristic approach - The Teaching of Mathematics 21(2), 97-108, 2018.
04. Takao Fujimoto, NGA Karunathilake, Ravindra R Ranade, A Proof of the Fundamental Theorem of Algebra via Reich’s Coincidence Theorem and a Reason Why There Exists No Proof Based on a Simple Application of Brouwer Fixed Point Theorem, Kagawa University Economic Review, 89(1), 1-13, 2016.
05. Takao Fujimoto, NGA Karunathilake, A Simple Proof of the Fundamental Theorem of Algebra Using Brouwer Fixed Point Theorem, The Teaching of Mathematics, 2015.
06. Physical Interpretation of Anomalous Absorption of partial Waves by Nuclear Optical Potentials, Journal of Science, University of Kelaniya 4, 68-72, 2008.
Abstract:
07. NGA Karunathilake, WPT Hansameenu, GS Wijesiri, Viscous Dissipation and thermal radiation of Williamson fluid flow over an exponentially stretching sheet, International Conference on Applied and Pure Sciences (ICAPS), Page 78, 2023.
08. LMN Fernando, NGA Karunathilaka, Mass and heat transfer of modified second-grade fluid flow through a porous media over a linearly stretching sheet, International Conference on Applied and Pure Sciences (ICAPS), Page 83, 2023.
09. Tharindi G.P.S. and Karunathilaka N. G.A, Non-Newtonian blood flow in an artery vessel under non-ionizing magnetic fields in chemotherapy, Proceeding of 9th Ruhuna International Science & Technology Conference (RITSCON), Page 107, 2022.
10. K. A. D. S. Nisansala and N. G. A. Karunathilaka, Dynamic of a capillary ridge of free surface flow on an inclined heated plate, International Conference on Applied and Pure Sciences (ICAPS), Page 38, 2020.
11. N.G.A. Karunathilake and W.D.G.V. Wickramasinghe, Iterative Methods for Solving Nonlinear Equations, Proceedings of the Postgraduate Institute of Science Research Congress, Sri Lanka, Page 95, 2020.
12. VS Imasha, NGA Karunathilaka, Non-Newtonian fluid flow in a long-distance pipe with circular cross-section, International Conference on Applied and Pure Sciences (ICAPS), Page 61, 2020.
13. GP Ranathunga, NGA Karunathilake, A mathematical model for a lubricant approximation of the wet thin tear film. International Conference on Applied and Pure Sciences (ICAPS), Page 86, 2017.
14. NGA Karunathilake, S Panda, DK Mallawaarachchi, GS Wijesiri, WTP Hansameenu, Modeling Non-Isothermal wire-coating from a bath using Giesekus fluid, International Conference on Applied and Pure Sciences (ICAPS), Page 88, 2017.
15. MAU Mampitiya, NGA Karunathilake, DKM Arachchi , A study on the convergence of Σ.. in terms of the convergence of Σ..., International Conference on Applied and Pure Sciences (ICAPS), Page 82, 2017.
16. RAD. Piyadasa, NGA. Karunatilake, Theoretical description of the method of Continuum Discretized Coupled Channels, Annual Research Symposium,Faculty of Graduate Studies, University of Kelaniya, Sri Lanka, Page 100, 2014.
17. PPDN Kaushalya and NGA KarunathilakeAppropriateness of the classical black-scholes method in option price calculation, Annual Research Symposium,Faculty of Graduate Studies, University of Kelaniya, Sri Lanka, Page 121, 2014.
18. L.P.N.D. Premarathna, N.G.A. Karunathilaka, Finite Difference Approximation for Valuation of Option Prices with Dividend Payments of the Underlying Assets, Proceedings of the Annual Research Symposium , Faculty of Graduate Studies, University of Kelaniya, Page 134, 2012.
19. LPND Premarathna, NGA Karunathilaka, Valuation of options in Black-Scholes Model using finite difference methods, Proceeding of Annual Research Symposium , Faculty of Graduate Studies, University of Kelaniya, Page 117, 2011.
20. TMM De Silva, NGA Karunathilake, Convergence properties in numerical algorithms of option price calculations, Proceeding of Annual Research Symposium , Faculty of Graduate Studies, University of Kelaniya, Page 38, 2011.
21. K.H.P. Madhuwanthi, N.G.A. Karunathilake, Periodical outbreak of Tuberculosis Epidemic: An epidemic model with dynamic host population, Proceeding of Annual Research Symposium, Faculty of Graduate Studies, University of Kelaniya, Page 107, 2009.
22. NGA Karunathilake, Coupling Shallow Water Equation with Navier-Stokes Equations: A viscous shallow water model , Proceedings of the Annual Research Symposium, Faculty of Graduate Studies, University of Kelaniya, pp 151-152, 2008.
23. R. A. D. Piyadasa and N. G. A. Karunathilake, On the validity of a practical three – body model, Proceedings of the Annual Research Symposium, Faculty of Graduate Studies, University of Kelaniya, Page 80-81, 2006.
24. R. A. D. Piyadasa and N. G. A. Karunathilake, New Theorem on Primitive Pythagorean Triples, Proceedings of the 10th International Conference on Sri Lanka Studies, University of Kelaniya, pp 108, 2005.
25. NGA Karunathilake, Search Engines: Mathematical Modelling and Text Retrieval, Proceedings of the Annual Research Symposium, Faculty of Graduate Studies, University of Kelaniya, 2001.