Address

Department of Mathematical Sciences,,
Faculty of Applied Sciences,
Wayamba University of Sri Lanka,
Kuliyapitiya,
Sri Lanka.

Telephone

+94 37 2283170

Fax

+94 37 2283170

Email

maths@wyb.ac.lk

Mr. G.M.L.M. Aponsu
B.Sc. (Hons.) (Kelaniya), M.Sc. (Moratuwa)
Senior Lecturer (Grade II)

Telephone
Mobile
E-mail

+(94) 37 2283170
+(94) 71 569 6724
lakshana@wyb.ac.lk lakshanaponsu@gmail.com
  • M.Sc. (Operational Research), University of Moratuwa, Sri Lanka
  • B.Sc. (Statistics & Computer Science), University of Kelaniya, Sri Lanka
  • Life Member of Institute of Applied Statistics, Sri Lanka (IASSL)
  • Member of National Science Foundation (NSF)
  • Introduction to Probability and Statistics
  • Statistical Inference
  • Operations Research
  • Stochastic Processes
  • Time Series Analysis
  • Theory of Interest
  • Statistical Quality Control
  • Time Series Forecasting
  • Statistical Modelling

Refereed Journal Papers

  • Aponsu, G.M.L.M. & Madhubhashitha, W.K.R.(2023). Forecasting USD/LKR Daily Exchange Rate with Long-Short Term Memory Neural Network. Sri Lankan Journal of Applied Sciences1(2), 9-13.
  • Aponsu, G.M.L.M. & Cooray, T.M.J.A.(2017). Dynamic Relations Between Macroeconomic Variables and the Stock Market Index: Evidence from Sri Lanka. International Research Journal of Natural and Applied Sciences, 4(8), 102-118.

Presented in International Conferences and Published as Abstracts/Full Articles

  • Aponsu, G.M.L.M., Ekanayake, E.M.P. & Hettiarachchi, D.I.S. (2021). Modelling the Relationship between Profitability & Market Share of Licensed Commercial Banks in Sri Lanka. 6th International Conference on Advances in Technology and Computing (ICATC-2021) (pp. 70-75)..
  • Aponsu, G.M.L.M., & Madhubhashitha, W.K.R. (2021). Modelling and Forecasting the Volatility of Daily Exchange Rate using GARCH Model. 6th International Conference on Advances in Technology and Computing (ICATC-2021) (pp. 92-97).

Presented in Local Conferences and Published as Abstracts/Full Articles

  • Aponsu, G.M.L.M., Ekanayake, E.M.P. & Hettiarachchi, D.I.S. (2021). Effect of Digi Banking Applications on the Non-Financial Performance of a Selected Bank in Sri Lanka. Proceedings of the 13th Applied Science, Business & Industrial Research Symposium (pp. 47-52).
  • Aponsu, G.M.L.M., & Perera, C.K.S. (2021). Forecasting New Motor Vehicle Registration in Sri Lanka. Proceedings of the 13th Applied Science, Business & Industrial Research Symposium (pp. 63-67).
  • Aponsu, G.M.L.M., & Tharindi, K.U. (2021). Forecasting the Cinnamon Export Price of Sri Lanka. Proceedings of the 13th Applied Science, Business & Industrial Research Symposium (pp. 83-87).
  • Aponsu, G.M.L.M., & Tharindi, K.U. (2021). Identifying the Factors Affecting Monthly Cinnamon Export Revenue of Sri Lanka. Proceedings of the 13th Applied Science, Business & Industrial Research Symposium (pp. 98-102).
  • Aponsu, G.M.L.M. & Bhagya, I.W.A.T. (2020). Identification of Causes of Non-Performing Loans in Kalawana Branch of the ABC Bank. Proceedings of the 12th Applied Science, Business & Industrial Research Symposium (pp. 249-253).
  • Aponsu, G.M.L.M. & Abeysinghe, S.O. (2020). Identifying the Factors Affecting Grade of Mathematics at the G.C.E (O/L) Examination: A Case Study. Proceedings of the 12th Applied Science, Business & Industrial Research Symposium (pp. 254-259).
  • Aponsu, G.M.L.M. & Wijesinghe, W.A.D.C. (2020). Revenue Forecasting in Sabaragamuwa Province at the Renewal of Motor Vehicle Revenue Licence. Proceedings of the 12th Applied Science, Business & Industrial Research Symposium (pp. 266-270).
  • Aponsu, G.M.L.M. & Karunanayaka, K.J. (2019). Forecasting Paddy Production in Yala and Maha Seasons in Sri Lanka. Proceedings of the 11th Applied Science, Business & Industrial Research Symposium (pp. 293-299).
  • Aponsu, G.M.L.M. & Bandara, B.M.S.G.R. (2019). Reducing the Importers Waiting Time in Declarations Directorate Branch at Sri Lanka Customs. Proceedings of the 11th Applied Science, Business & Industrial Research Symposium (pp. 316-320).
  • Aponsu, G.M.L.M. & Kannangara, K.K.S.H. (2018). Factors Affecting Daily Milk Yield of Dairy Cattle of a Large-Scale Farm. Proceedings of the 10th Applied Science, Business & Industrial Research Symposium (pp. 44-45).
  • Aponsu, G.M.L.M. & Gunarathna, K.V.N.C. (2018). Forecasting USD/LKR Exchange Rate using Time Series Analysis. Proceedings of the 10th Applied Science, Business & Industrial Research Symposium (pp. 50-51).
  • Aponsu, G.M.L.M. & Athalage, S.N. (2018). Identifying the Factors Affecting Birth Weight of New Borns: A Case Study. Proceedings of the 10th Applied Science, Business & Industrial Research Symposium (pp. 69-71).
  • Aponsu, G.M.L.M., Wickramasinghe, W.M.P.M. & Madushani, K.P.G. (2017). A Case Study on the Quality of Aluminium Cables and Forecasting the Demand of Aluminium Cables. Proceedings of the 9th Applied Science, Business & Industrial Research Symposium (pp. 1-5).
  • Aponsu, G.M.L.M., Dharmawardane, P.M.N. & Gunarathna, H.L.R.S. (2016). Identifying the Factors of Agents Affecting Business: A Case Study of an Insurance Company in Sri Lanka. Proceedings of the 8th Applied Science, Business & Industrial Research Symposium (pp. 75-79).
  • Aponsu, G.M.L.M., Jayasinghe, W.J.M.L.P., & Gunawardana, M.L. (2016). Identifying the Factors Affecting Non-Disclosure of Salary of Female Workers in Construction Sector In Sri Lanka. Proceedings of the 8th Applied Science, Business & Industrial Research Symposium (pp. 71-74).
  • Aponsu, G.M.L.M., Wickramasinghe, W.M.P.M. & Dulanjalee, M.W.T.C. (2015). Factors Affecting on the Glue Strength Utilized in Finger Joint Timber Production: A Study in Timber Manufacturing Industry. Proceedings of the 7th Applied Science, Business & Industrial Research Symposium (pp. 64-68).
  • Aponsu, G.M.L.M., Wickramasinghe, W.M.P.M. & Srimali, K.G.G.A. (2015). Identification of Factors Affecting to Non-Sampling Errors: Study on Economic Census 2013/14. Proceedings of the 7th Applied Science, Business & Industrial Research Symposium (pp. 85-88).
  • Aponsu, G.M.L.M., & Appuhami, P.A.D.A.N. (2013). Three-State Markov Chain Approach on the Behavior of Rainfall in Bandirippuwa Coconut Estate. Proceedings of the 5th Applied Science, Business & Industrial Research Symposium (pp. 145-150).
  • Aponsu, G.M.L.M., & Jayasundara, D.D.M., (2012). Forecasting Elevation Wise Black Tea Production, Prices & Identify the Effect of Climatic Factors on the Tea Yield in Hantana Estate in Sri Lanka. Proceedings of the 4th Applied Science, Business & Industrial Research Symposium (pp. 129-134).
  • Aponsu, G.M.L.M., & Jayasundara, D.D.M. (2012). Time Fluctuation Models to Forecast Tea Production, Prices and Exports in Sri Lanka. 13th Annual Research Symposium, University of Kelaniya (pp. 17).

Positions at Conferences

  • Session Chair, Technical Session on Mathematical Sciences: 10th Applied Science, Business & Industrial Research Symposium (ASBIRES), Wayamba University of Sri Lanka, 2018

Member of Editorial Board

  • Editorial Board Member, 12th Applied Science, Business and Industrial Research Symposium (ASBIRES) – 2020, Faculty of Applied Sciences, Wayamba University of Sri Lanka

Research Evaluation and Supervision

  • Supervisor of Industrial Training, Department of Mathematical Sciences, Faculty of Applied Sciences, Wayamba University of Sri Lanka, from year 2014 to date
  • Supervisor of Research Project, Department of Mathematical Sciences, Faculty of Applied Sciences, Wayamba University of Sri Lanka, from year 2015 to date

Organizing Conferences

  • Wayamba International Conference (WinC), Wayamba University of Sri Lanka
    • Member of the Logistic Committee: WinC 2018
    • Member of the Logistic Committee: WinC 2016
    • Member of the Inaugural Ceremony Committee: WinC 2014
  • Applied Science, Business & Industrial Research Symposium (ASBIRES), Faculty of Applied Sciences, Wayamba University of Sri Lanka
    • Member of Program Committee: ASBIRES 2022
    • Member of Program Committee: ASBIRES 2021
    • Member of Publication Committee: ASBIRES 2020
    • Member of Program Committee: ASBIRES 2020
    • Member of the Logistic Committee: ASBIRES 2019

Visiting Appointments

  • Visiting Lecturer – EMAT 3222 Statistics for Engineering Technology – Department of Electrotechnology, Faculty of Technology, Wayamba University of Sri Lanka (29.12.2022 to 11.06.2023)
  • Visiting Lecturer – EMAT 3222 Statistics for Engineering Technology – Department of Electrotechnology, Faculty of Technology, Wayamba University of Sri Lanka (18.10.2021 to 04.02.2022)
  • Visiting Lecturer – HDSE 252 Probability and Statistics for Computing –Higher Diploma in Software Engineering, Department of Computing and Information Systems, Faculty of Applied Sciences, Wayamba University of Sri Lanka (Intake III – 2022)
  • Visiting Lecturer – IT 1030 Mathematics for Computing – Mathematics Unit, Faculty of Humanities & Sciences, Sri Lanka Institute of Information Technology (SLIIT) (2023)
  • Visiting Lecturer – IT 2110 Probability and Statistics – Mathematics Unit, Faculty of Humanities & Sciences, Sri Lanka Institute of Information Technology (SLIIT) (2023)
  • Visiting Lecturer – EMAT 3222 Statistics for Engineering Technology – Department of Electrotechnology, Faculty of Technology, Wayamba University of Sri Lanka (02.11.2020 to 18.04.2021)
  • Visiting Lecturer – EMAT 3222 Statistics for Engineering Technology – Department of Electrotechnology, Faculty of Technology, Wayamba University of Sri Lanka (04.11.2019 to 28.03.2020)
  • Visiting Lecturer – HDSE 252 Probability and Statistics for Computing –Higher Diploma in Software Engineering, Department of Computing and Information Systems, Faculty of Applied Sciences, Wayamba University of Sri Lanka (Intake II – 2021)
  • Visiting Lecturer – HDSE 252 Probability and Statistics for Computing – Higher Diploma in Software Engineering, Department of Computing and Information Systems, Faculty of Applied Sciences, Wayamba University of Sri Lanka (Intake I – 2020)
  • Visiting Lecturer – IT 1030 Mathematics for Computing – Mathematics Unit, Faculty of Humanities & Sciences, Sri Lanka Institute of Information Technology (SLIIT) (2020)

At University Level

  • Industrial Training Program Coordinator, Department of Mathematical Sciences, Faculty of Applies Sciences, Wayamba University of Sri Lanka (Academic Year 2019-2020 & Academic Year 2020-2021)
  • Member (Sub-Group 7: Student Assessment and Awards): Working group for preparation of Self Evaluation Report (SER) and for follow-up activities of the Program Review – 2020
  • Member (Activity 1: Enriching Curricula): AHEAD Proposal Writing Team, Faculty of Applied Sciences, 2018
  • Mentor: Faculty of Applied Sciences, since December 2017
  • Senior Treasurer – Mathematical Society of Wayamba, Wayamba University of Sri Lanka (Academic Year 2014/2015)

Served as a Resource Person

  • Statistics & Computer Science Camp 2019 (STCS Camp 2019) held at Sarvodaya Institute of Higher Learning, Bandaragama, Sri Lanka; under the theme of ‘Informatics for Healthy Life’: Organized by the Department of Statistics & Computer Science, Faculty of Science, University of Kelaniya.
  • Assistant Secretary: Wayamba University Teachers’ Welfare Association (WUTWAS), Wayamba University of Sri Lanka, 2022/2023
  • Executive Committee Member: Wayamba University Teachers’ Welfare Association (WUTWAS), Wayamba University of Sri Lanka, 2021/2022