• Modeling : Financial Applications (Financial Derivatives, Financial Time Series)
  Market Micro-Structure (Market Efficiency, Volatility, Volatility Spillover)

Journals

• Premarathna, LPND., Godfrey, AJR., & Govindaraju, K. (2017). Control charts for paired differences: \bar{d} and S_d charts. Quality and Reliability Engineering International. DOI: 10.1002/qre.2147

• Premarathna, LPND, Godfrey, AJR., & Govindaraju, K. (2016). Decomposition of stock market trade-offs using Shewhart methodology. International Journal of Quality and Reliability Management. 33(9), 1311-1331

• Gammune, DHV. and Premarathna, LPND.  (2019) A mathematical model to analyze the dynamics of Dengue transmission in proceedings of the Asian International Conference on Multidisciplinary Research 2019 (AIMR’19). Page no: 32 ISBN 978-955-3751-01-0.

• Gammune, DHV. and Premarathna, LPND . (2019)A mathematical model to analyze the dynamics of Dengue transmission: A case study based on Western province, Sri Lanka in proceedings of the 4th International Research Symposium on Pure and Applied Sciences 2019. Page no: 80

• Kethmi GAP and Premarathna, LPND. (2019) A study on Dengue spread in Western province: using Spatial and Cluster analysis, in proceedings of the 4th International Research Symposium on Pure and Applied Sciences. Page no: 91

• Kethmi GAP and Premarathna, LPND. (2019) Spatial and Cluster analysis of Dengue transmission in Western province, Postgraduate Institute of Science Research Congress, University of Peradeniya.,Page No:32

• Premarathna, LPND., Godfrey, AJR., & Govindaraju, K. (2016, November). Difference Control Charts. Presented at Joint NZSA+ORSNZ Conference. University of Canterbury, Christchurch, New Zealand. [Conference Oral Presentation]

• Premarathna, LPND., Godfrey, AJR., & Govindaraju, K. (2015). Identification of special causes in autocorrelated financial series. Presented at Student Symposium, Massey University,  Palmerston North, New Zealand. [Symposium Oral Presentation]

• Premarathna, LPND., Godfrey, AJR., & Govindaraju, K. (2014, November). Identification of induced autocorrelation in stock returns. Presented at Joint NZSA+ORSNZ Conference. Victoria University of Wellington, Wellington, New Zealand. [Conference Oral Presentation]

• Premarathna, LPND., Godfrey, AJR., & Govindaraju, K. (2014). Analysis of higher order moments in stock returns using Shewhart methodology. Poster session presented at the meeting of HETC Symposium, Sri Lanka.

• Premarathna, LPND., Godfrey, AJR., & Govindaraju, K. (2013, November). Decomposing Observed Volatility in Financial Series using Quality Control Theory. Presented at  Joint NZSA+ORSNZ Conference. University of Waikato, Hamilton, New Zealand. [Conference Oral Presentation]

• Premarathna, LPND  (2013, November). Decomposing Observed Volatility in Financial Series using Quality Control Theory. Institute of Fundamental Sciences, Massey University, New Zealand. [Institute Seminar]

• Abstract presentation on “Finite Difference Approximation for the Valuation of Option prices with Dividend payments of the underlying assets”. Annual Research Symposium, University of Kelaniya. 2012.

• Poster presentation on “Valuation of options in Black-Scholes Model using finite difference methods”, Annual Research Symposium, University of Kelaniya. 2011

• Tables for testing simultaneous homogeneity against ordered alternatives in 3-way layout and latin square design. Annual Research Symposium, University of Kelaniya. 2008

• The Course design workshop on “On line Teaching & Learning” conducted by the External Exam Unit of University of Kelaniya, 2011.

• The International Conference organized by Institute of Applied Statistics Association (2011).

• Participated in the work sessions of the Staff Development Course conducted by the Staff Development Unit of the University of Kelaniya held during August and September, 2010.

• The workshop on “Personal Counselling” conducted by the University of Kelaniya (2009).

• The training workshop on National Higher Education Management Information system (N-HEMIS) conducted by the University of Colombo School of Computing (2008).

• The workshop on “Computer & Computational Mathematics” conducted by PGIS and Department of Mathematics, University of Peradeniya, 2007.