Dr. (Mrs) W. G. Samanthi Konarasinghe
ACADEMIC QUALIFICATIONS
| Qualification | Institution | Duration of Study |
| Bachelor of Science Degree (Physical Science) | The University of Peradeniya, Sri Lanka | 3 years(By course work) |
| Postgraduate Diploma in Industrial Mathematics | The University of Sri Jayewardenepura, Sri Lanka | 1 ½ year (By course work and research) |
| Master of Science in Applied Statistics | The University of Peradeniya, Sri Lanka | 2 years (By course work and research) |
| Masters in Business Administration (MBA) | Rajarata University of Sri Lanka | 2 years (By course work and research) |
| Doctor of Philosophy (Ph.D. in Statistics) | The University of Peradeniya, Sri Lanka | 3 years(By research) |
DETAILS OF ACADEMIC QUALIFICATIONS
Bachelor of Science
Subjects: Pure Mathematics, Applied Mathematics, Chemistry
Postgraduate Diploma in Industrial Mathematics
| Foundation Mathematics | Numerical methods | Mathematical methods | Foundation statistics 1 |
| Object-oriented programming in Turbo C++ | Numerical Solutions of ODIVPs | Operational research | Foundation Statistics 2 |
| Mathematical modeling | Statistical Inference | Applied regression Analysis | Design of Industrial Experiments |
| Database Management Systems Optimization | System & System Control Theory | Nonparametric Statistics | Research Thesis |
Master of Science in Applied Statistics
| Sampling Techniques | Regression Analysis | Multivariate Data Analysis | Advanced Calculus | Stochastic Process |
| Design and Analysis of Experiments | Time Series Analysis | Crop and Animal Experimentation | Statistical Theory | Vector Analysis |
| Group Theory | Measure Theory | Seminar | Directed Study |
| Business Statistics | Business Economics | Quantitative Methods | Academic Writing |
| Comparative Management | Financial Management | Marketing Management | Strategic Management |
| Human Resource Management | Project Management | Organizational Behavior | Operations Management |
| Ethics & Corporate Social Responsibility | Article Commentary & Research Critique | Research Methodology & Seminar | Administrative & Industrial Law |
| Management and Information Systems | Research Thesis |
Ph.D. research was based on forecasting share returns and the risk of the Sri Lankan stock market. The study is begun with Time Domain Analysis. The existing techniques; CAPM, VAR, ARCH/ GARCH, ARIMA, etc. were tested and found not successful in the Sri Lankan context. Then the Frequency Domain Approach was tested. Two new forecasting models, named; “Circular Model (CM)” and “Circular Indicator (CI)” for forecasting return and risk respectively were the outcome of the study. The most important feature of the CM is that the CM is capable of capturing both seasonal and cyclical patterns together. The CM and CI can also be applied in the fields of, Agriculture, Meteorology, Medicine, Economics, and many more. Advanced Mathematical/ Statistical techniques and theories of Physics were extensively used in the study. The development of the CM was based on Fourier transformation and Multiple Regression analysis; the development of the CI was based on Newton’s laws of Circular motion.
LIST OF RESEARCH PUBLICATIONS
Peer Review Journals
| Konarasinghe, W.G.S. | 2020 | Comparison of Forecasting ability of Sama Circular Model, ARIMA, and Decomposition Techniques. Journal of New Frontiers in Mathematics and Statistics,1(1),1-15. |
| Konarasinghe, W.G.S. | 2019 | Sama Circular Model and ARIMA on Forecasting BSE Sensex. International Journal of Novel Research in Physics Chemistry & Mathematics.6(2),1-7. |
| Konarasinghe, W.G.S. | 2018 | Sama Circular Model on Forecasting Sri Lankan Stock Market Indices. Mathematical Sciences International Research Journal.7(Special issue),1-4. |
| Konarasinghe, W.G.S. | 2018 | Sama Circular Model on Forecasting Tourist Arrivals to Sri Lanka. Mathematical Sciences International Research Journal.7(2),191-193 |
| Konarasinghe, W.G.S. | 2018 | Circular Model & Circular Indicator on Measuring Return & Risk of Hotel & Travel Sector of Sri Lankan Share Market. International Journal of Research & Review.5(1),43-49. |
Amarakoon, A.A.N.R., Konarasinghe, K.M.U.B., & Konarasinghe W.G.S. | 2018 | Determinants of Alcohol Consumption of Adolescents in the Western Province of Sri Lanka. International Journal of Research & Review.5(8),140-148 |
Amarakoon, A.A.N.R., Konarasinghe, K.M.U.B. & Konarasinghe W.G.S. | 2018 | Risky Sexual Behaviour of Adolescents in the Western Province of Sri Lanka. International Journal of Novel Research in Physics Chemistry & Mathematics.5(3),1-9. |
Amarakoon, A.A.N.R., Konarasinghe, K.M.U.B & Konarasinghe W.G.S. | 2018 | Motives for Consuming Dangerous Drugs of Adolescents in the Western Province of Sri Lanka. International Journal of Research & Review.5(10),87-96 |
| Konarasinghe, W.G.S. | 2017 | Theory of Uniform Circular Motion in Portfolio Selection. International Journal of Novel Research in Physics, Chemistry, and Mathematics,4(3),10-18. |
Konarasinghe, W.G.S., Abeynayake, N.R., & Gunaratne, L.H.P. | 2016 | Circular Methods on Forecasting Risk & Returns of Share Market Investments. International Journal of Research & Review.3(4),51-56. |
Konarasinghe, W.G.S., Abeynayake, N.R., & Gunaratne, L.H.P. | 2016 | Circular Model on Forecasting Returns of Sri Lankan Share Market. International Journal of Novel Research in Physics, Chemistry, and Mathematics,3(1),49-56 |
Konarasinghe, W.G.S., Abeynayake, N.R., & Gunaratne, L.H.P. | 2016 | Comparison of ARIMA & Circular Model in Forecasting Sri Lankan Share Market Returns. International Journal of Novel Research in Interdisciplinary Studies,3(2),3-8. |
Konarasinghe, W.G.S., Abeynayake, N.R., & Gunaratne, L.H.P. | 2016 | Spectral Analysis on Forecasting Sri Lankan Share Market Returns. International Journal of Management & Applied Science.2(1),25-28. |
| Konarasinghe, W.G.S. | 2016 | Circular Indicator on Measuring Risk of Returns of Sri Lankan Share Market. Global Journal for Research Analysis,5(4),247-248 |
Konarasinghe, W.G.S., Abeynayake, N.R., & Gunaratne, L.H.P. | 2015 | Forecasting Share Prices of Banks of Colombo Stock Exchange. International Journal of Research & Review.2(6),372-378 |
Konarasinghe, W.G.S., Abeynayake, N.R., & Gunaratne, L.H.P. | 2015 | Comparison of Time Domain and Frequency Domain Analysis in Forecasting Sri Lankan Share Market Returns. International Journal of Management & Applied Science.1(9),16-18 |
Konarasinghe, W.G.S., Abeynayake, N.R., & Gunaratne, L.H.P. | 2015 | ARIMA Models on Forecasting Sri Lankan Share Market Returns. International Journal of Novel Research in Physics, Chemistry, and Mathematics,2(1),6-12. |
Konarasinghe, W.G.S., & Abeynayake, N.R. | 2015 | Fourier Transformation on Model Fitting for Sri Lankan Share Market Returns. Global Journal for Research Analysis,4(1),159-161 |
Konarasinghe, W.G.S., Abeynayake, N.R., & Gunaratne, L.H.P. | 2015 | Covariance Structure of Sri Lankan Share Market Returns. International Journal of Novel Research in Interdisciplinary Studies,2(1),13-22 |
| Konarasinghe, W.G.S | 2014 | Review of Statistical Modeling in Technical Analysis of Financial markets. Journal of Management, South Eastern University of Sri Lanka,X(1),42-50 |
Konarasinghe, W.G.S. & Pathirawasam, C. | 2013 | Modeling Stock Returns and Trading Volume of Colombo Stock Exchange. Sri Lankan Journal of Management,18,(3&4),167-224. |
Conference Proceedings
| Konarasinghe, W.G.S | 2020 | Sama Circular Model and ARIMA on Forecasting Unemployment of Australia. Conference Proceedings of Institute of Mathematics and Management Conference on Management & Social Social (IMMCMSS) 2020.Melbourne, Australia.p13.ISSN:2756-9128(Online) |
| Konarasinghe, W.G.S., Chaudhry, T.M & Konarasinghe, K.M.U.B. | 2020 | Indigenous Healthcare Systems of Sri Lanka and Australia to Combat Epidemics and Pandemics.Conference Proceedings of Institute of Mathematics and Management Conference on Mathematical & Biological Sciences(IMMCMBS) 2020.Melbourne,Australia.p14.ISSN:2756-9144 (Online). |
| Konarasinghe, W.G.S | 2019 | Role of Gender Statistics in Sustainable Development.Gender Accounting and Accountability Conference 19, RMIT University, Melbourne, Australia. |
| Konarasinghe, W.G.S | 2019 | Indigenous Control Systems of Sri Lanka.International conference on celebration of Indigenous Knowledge: contribution of their influence across disciplines, University of Canberra, Australia. |
| Konarasinghe, W.G.S. | 2019 | Sama Circular Model and ARIMA on Forecasting BSE Large-Cap. 6th National and International Conference on Administration and Management, Kasetsart University, Bangkok, Thailand,1-7. |
| Konarasinghe, W.G.S. | 2019 | Use and Misuse of Statistics in Biological Studies. Proceedings of the International Conference on Computational Genomics and Proteomics, Vivekanadha College of Arts & Science for Women, Namakkal Dt., Tamil Nadu, India |
| Konarasinghe, W.G.S. | 2018 | Sama Circular Model on Forecasting Sri Lankan Stock Market Indices. Proceedings of the International Multidisciplinary Research Conference, Thailand,123. |
| Konarasinghe, W.G.S. | 2018 | Improved Circular Model on Forecasting Arrivals from Western European Countries to Sri Lanka. 4th ISM International Statistical Conference (ISM-IV) of Sunway University, Malaysia. |
| Konarasinghe, W.G.S | 2016 | Circular Model for Forecasting Returns of Bank, Finance & Insurance Sector of the Sri Lankan Stock Market. Proceedings of 5th International Conference of the Sri Lankan Forum of University Economists.73-78. |
Konarasinghe, W.G.S., Abeynayake, N.R., & Gunaratne, L.H.P | 2016 | Circular Methods on Forecasting Risk & Return of Hotel & Travel Sector of Sri Lankan Share Market. Proceedings of International Conference on Business, Economics, Social Sciences & Humanities, Singapore,197,(14),18. |
Konarasinghe, W.G.S., Abeynayake, N.R., & Gunaratne, L.H.P. | 2015 | Spectral Analysis on Forecasting Sri Lankan Share Market Returns. Proceedings of Academics World 7th International Conference, Bangkok, Thailand,13-18. |
Konarasinghe, W.G.S., Abeynayake, N.R. ,& Gunaratne, L.H.P. | 2015 | Fourier analysis on Modeling Sector Returns of Sri Lankan Share Market. Conference Proceedings of International Conference of Multidisciplinary Approaches- 2015, Faculty of Graduate Studies, University of Sri Jayewardenepura, Sri Lanka,135. |
Konarasinghe, W.G.S., Abeynayake, N.R., & Gunaratne,L.H.P. | 2015 | Comparison of Time Domain and Frequency Domain Analysis in Forecasting Sri Lankan Share Market Returns. Proceedings of ISER 2nd International Conference, Singapore,1-6. |
Konarasinghe, W.G.S., & Abeynayake, N.R., | 2015 | Fourier Analysis on Modeling Stock Returns of Individual Companies in Bank Finance & Insurance Sector of Sri Lanka, Share Market. Conference Proceedings of 2nd Ruhuna International Science and Technology Conference, Faculty of Science, University of Ruhuna, Sri Lanka,103. |
Konarasinghe, W.G.S., & Abeynayake, N.R. | 2014 | Time Series Patterns of Sri Lankan Stock Returns. Proceedings of Doctoral Consortium,11th International Conference in Business & Management, University of Sri Jayewardenepura, Sri Lanka,78-95 |
Konarasinghe, W.G.S., & Abeynayake, N.R. | 2014 | ARIMA Models on Forecasting Stock Returns.Annual Academic Sessions, The Open University of Sri Lanka,280. |
Konarasinghe, W.G.S., & Abeynayake, N.R | 2014 | Review of Statistical Modeling in Technical Analysis of Financial Markets. Conference Proceedings of Wayamba International Conference-2014, Wayamba University of Srilanka, Kuliyapitiya, Sri Lanka,300. |
Konarasinghe, W.G.S., & Abeynayake, N.R | 2014 | Covariance Structure of Share Market Returns. Conference Proceedings of International Conference of Multidisciplinary Approaches- 2014, Faculty of Graduate Studies, University of Sri Jayewardenepura, Sri Lanka,93. |
Konarasinghe, W.G.S., & Abeynayake, N.R | 2014 | Modeling Stock Returns of Individual Companies of Colombo Stock Exchange. Conference Proceedings of the 1st International Forum for Mathematical Modeling- 2014, Department of Mathematics, University of Colombo, Sri Lanka,111. |
Konarasinghe, W.G.S., & Pathirawasam, C | 2013 | The Dynamic Relation between Stock Returns and Trading Volume of Colombo Stock Exchange. Proceedings of the 2nd International Research Conference on Humanities and Social Sciences 2013, Faculty of Humanities and Social Sciences University of Sri Jayawardanapura, Sri Lanka,119. |
Samanthi, W.G., Dias, P., Liyanage, L.M., & Watugala, G.K. | 1999 | Mathematical Models for Rainfall-Runoff Relationships. Conference Proceedings of Sri Lanka Association for the Advancement of Science-55,p194. |
Newspaper Articles
Opening Keynote Speaker | Institute of Mathematics and Management Conference on Mathematical & Social Sciences 2020-Melbourne. 16th and 17th December 2020.Melbourne, Australia (Online). Title of the speech: "Use and Misuse of Statistics in Management and Social Science" |
Opening Keynote Speaker | Institute of Mathematics and Management Conference on Mathematical & Biological Sciences 2020-Melbourne. 29th and 30th October 2020.Melbourne, Australia (Online).Title of the speech: "Sama Circular Model on Real Life". |
| Keynote Speaker | International Conference on Science & Technology Research,2020. 15 May 2020, Malaysia (Online).Title of the speech: The Role of Mathematics in the Overall Curriculum". |
| Keynote Speaker | 2020–2nd International Conference on Research in Life-Sciences & Healthcare(ICRLSH),06-07 March, Melbourne. Title of the speech: Use and Misuse of Statistics in Life-Sciences & Healthcare. |
| Keynote Speaker | 2nd ICSTR Singapore – International Conference on Science & Technology Research,15-16 March 2019, Singapore. Title of the speech: Sama Circular Indicator on Measuring Risk of Returns. |
| Keynote Speaker | International Conference on Modern Trends in Mathematics, Postgraduate & Research Department of Mathematics, Hajee Karutha Rowther College, Tamil Nadu, India in September 2018.Title of the speech: “Mathematical Models for Real Life”. |
| Plenary Speaker | International Conference on Advances in Mathematics, Statistics, and Computer Science- Andhra Loyola 2019, Andhra Loyola College (Autonomous), Andhra Pradesh, India.Title of the Speech: Sama Circular Model and ARIMA on Forecasting Consumer Price Index of India. |
| Plenary Speaker | International Conference on Recent Trends in Botany, Zoology, Microbiology & Biotechnology- Andhra Loyola 2019, Andhra Loyola College(Autonomous), Andhra Pradesh, India in November 2019.Title of the Speech: “Mathematical Modelling and Biostatistics”. |
| Invited Speaker | Invited Speakers in the International Virtual Conference on Prof. CR Rao’s School of Thought in Statistical Science on 21st, 22nd, 28th & 29th November 2020 Organized by the Department of Statistics, Pondicherry University. Tamil Nadu, India.Title of the speech: Role of Statistical Models in Real Life. |
| Invited Speaker | International Conference on Computational Genomics and Proteomics, Vivekanadha College of Arts & Science for Women, Namakkal Dt., Tamil Nadu, India in February 2019.Title of the speech: “Use & Misuse of Statistics in Biological Studies”. |
| Invited Speaker | Academics World 7th International Conference, Bangkok, Thailand in May 2015.Title of the speech: “Spectral Analysis on Forecasting Sri Lankan Share Market Returns”. |
| Special Lecture | Department of Mathematics, Kasetsart University, Bangkok, Thailand. Title of the lecture: “Mathematical Models for Real Life”. |
| Special Talk | International Conference on Advances in Pure & Applied Mathematics 2018, Madurai Kamaraj University, Madurai, Tamil Nadu, India in September 2018.Title of the speech: "Sama Circular Model on Forecasting Tourist Arrivals to Sri Lanka". |
| Special Talk | International Multidisciplinary Research Conference, Thailand,2018. Title of the speech: "Sama Circular Model on Forecasting Sri Lankan Stock market Indices”. |
| Resource Person | Webinar of the Department of Psychology,ASUTOSH College, India in September 2020. The topic of the speech:“Use and Misuse of Statistics in Social Scientific Research”. |
| Resource Person | International Webinar on Sama Circular Model and ARIMA on Forecasting Consumer Price Index of India, Aurora’s Degree and PG College, Hyderabad, India in August 2020.The topic of the speech: “Sama Circular Model and ARIMA on Forecasting Consumer Price Index of India”. |
| Resource Person | International Webinar on Pure and Applied Mathematics, MVN JS & RVR College of Arts and Science, Malikipuram, Andhra Pradesh, India in June 2020.The topic of Lecture: " Mathematical Models for Real Life". |
| Resource Person | International Conference on New Frontiers in Mathematics and Computing, Lady Doak College, Madurai, Tamil Nadu, India in February 2019.The topic of Lecture: “Sama Circular Model on Capital Market Investment”. |
| Resource Person | International Conference on Advances in Mathematics, Annai Women’s College, Karur, Tamil Nadu, India in February 2019. The topic of Lecture: “Mathematical & Statistical Models for Real Life”. |
| Resource Person | International Conference on Recent Advances in Analysis and its Applications of Mathematical & Statistical Modeling-2019, Department of Mathematics & Statistics, Vivekanandha College of Arts & Science for Women, Namakkal Dt., Tamil Nadu, India in February 2019.The topic of Lecture:“Sama Circular Model & Sama Circular Indicator for Real Life”. |
| Resource Person | International Conference on Recent Developments in Mathematical Sciences, Nadar Saraswathi College of Arts & Science, Theni, Tamil Nadu, India in September 2018.The topic of the lecture: “Mathematical Models for Rainfall-Runoff Relationship”. |
| Conference Chair | Institute of Mathematics and Management Conference on Mathematical & Biological Sciences 2020 -Melbourne. 29th and 30th October 2020. Melbourne, Australia (Online).Title of the speech: Sama Circular Model on Real Life |
Conference Track Chair | International Conference on Advances in Pure & Applied Mathematics 2018, Madurai Kamaraj University, Madurai, Tamil Nadu, India, September 2018. |
Conference Track Chair | Academics World 7th International Conference, Bangkok, Thailand in May 2015. |
Conference Track Chair/ Rapporteur | International Conference on Advances in Mathematics, Computers & Physical Sciences, Bangkok, Thailand, November 2018. |
| Chief Guest | International Conference on Advances in Mathematics, Statistics, and Computer Science- Andhra Loyola 2019, Andhra Loyola College (Autonomous), Andhra Pradesh, India in November 2019. |
| Chief Guest | International Conference on Advances in Mathematics, Annai Women’s College, Karur, Tamil Nadu, India in February 2019. |
| Chief Guest | International Conference on Recent Advances in Analysis and its Applications of Mathematical & Statistical Modeling-2019, Department of Mathematics & Statistics, Vivekanandha College of Arts & Science for Women, Namakkal Dt., Tamil Nadu, India in February 2019. |
| Chief Guest | International Conference on Modern Trends in Mathematics, Postgraduate & Research Department of Mathematics, Hajee Karutha Rowther College, Tamil Nadu, India in September 2018. |
| Guest of Honor | International Conference on Recent Trends in Botany, Zoology, Microbiology & Biotechnology-Andhra Loyola 2019, Andhra Loyola College (Autonomous), Andhra Pradesh, India in November 2019. |
| Institution | Position | Period |
| Institute of Mathematics and Management(IMM) Pvt. Ltd., Sri Lanka | Academic Director, Statistical Consultant | From October 2012 to date |
| Asia Pacific Institute of Information Technology (APIIT) | Senior Lecturer | From 2007 to 2010 |
| Royal Institute | Lecturer/ Teacher | From 1997 to 2004 |
| Kingston College International | Teacher | From 1996 to 1997 |
| Institution | Position | Period |
| University of Colombo | Visiting lecturer | From January 2018 to date |
| South Asian Institute of Technology and Medicine (SAITM) | Visiting Lecturer | From 2010 to 2012 |
| American National College (ANC) | Part-Time Lecturer | From 2004 to 2007 |
| Imperial Institute of Higher Education (IIHE) | Visiting Lecturer | From 2004 to 2007 |
| Informatics Institute of Higher Education (IIT) | Visiting Lecturer | From 2004 to 2007 |
| ICFAI Education Lanka | Visiting Lecturer | From 2005 to 2008 |
| Graduate Institute of Science and Management | Visiting Lecturer | From 2011 to 2012 |