LMS
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

Prof. Priyanjana M.N. Dharmawardane
B.Sc. (Hons.) (Kelaniya), M.Phil. (Kelaniya), M.Math (Kyushu), Ph.D. (Kyushu)
Professor

Telephone
Mobile
E-mail

+(94) 37 2283170
+(94) 77 6021216
pdharmawardane@yahoo.com
maheshd@wyb.ac.lk

 Google Scholar

  • Doctor of Philosophy – Kyushu University, Japan. (2013)
  • Master of Mathematics(Course work with a research component) , Kyushu University, Japan.(2010)
  • Master of Philosophy, University of Kelaniya, Sri Lanka. (2005)
  • B.Sc. (Special) – FIRST CLASS, University of Kelaniya, Sri Lanka. (1998)
  • Certificate for Teaching in Higher Education, University of Colombo, Sri Lanka. (2002)
  • Visiting Professor, Faculty of Mathematics, Kyushu University, Japan( October, 2022 – April, 2023)
  • Member of Research Support Staff, School of Science & Engineering, Waseda University, Japan (May, 2022 – September, 2022)
  • Professor in Mathematics, Department of Mathematical Sciences (2021- To Date)
  • Senior Lecturer (Grade II), Department of Mathematical Sciences, Wayamba University of Sri Lanka (2006 – 2021)

  • Visiting Lecturer, Faculty of Technology, Wayamba University of Sri Lanka (2018-2020)

  • Visiting Lecturer, Faculty of Applied Sciences, Rajarata University of Sri Lanka (2013-2014)

  • Research Assistant, Graduate School of Mathematics, Kyushu University, Japan (2010 – 2013)
  • Postgraduate Student, Graduate School of Mathematics, Kyushu University, Japan (2008 – 2013)
  • Research Student, Graduate School of Mathematics, Kyushu University, Japan (2007-2008)

  • Visiting Lecturer, Faculty of Business Studies and Finance, Wayamba University of Sri Lanka (2002-2006)

  • Postgraduate Student, Faculty of Graduate Studies, University of Kelaniya, Japan (2002 – 2005)

  • Lecturer, Department of Mathematical Sciences, Wayamba University of Sri Lanka (2001 – 2005)
  • Temporary Lecturer, Department of Mathematical Sciences, Wayamba University of Sri Lanka (1999 – 2000)
  • Temporary Tutor, Department of Mathematical Sciences, Rajarata University of Sri Lanka (1998 – 1999)
  • Head – Department of Mathematical Sciences, Wayamba University of Sri Lanka (2014-2020)
  • Member of the Senate – Wayamba University of Sri Lanka (2014-2020)
  • Coordinator– Student Support Services & Welfare, Kuliyapitiya Premises, Wayamba University of Sri Lanka (2014-2020)
  • Team Leader – Kuliyapitiya Premises for Institutional Review 2018, Wayamba University of Sri Lanka
  • University Representative – Standing Committee(Quality Assurance), University Grants Commission, Sri Lanka (2018)
  • Coordinator– Internal Quality Assurance Unit Kuliyapitiya Premises, Wayamba University of Sri Lanka (2018)
  • President – Kuliyapitiya University Teachers’ Association (KUTA) (2017– 2018)
  • Event Coordinator – Rowing, Sri Lanka University Games (SLUG) – 2016, Wayamba University of Sri Lanka
  • Senate Nominee – Board of Study, Diploma in Banking and Financial Studies, Faculty of Business Studies & Finance, Wayamba University of Sri Lanka (2015-2018)
  • Faculty Board Nominee – Board of Studies – Diploma in Software Applications Development & Diploma in Software Engineering, Faculty of Applied Sciences, Wayamba University of Sri Lanka (2014-2019 and 2020-2021)
  • Coordinator – Quality Assurance, Faculty of Applied Sciences, Wayamba University of Sri Lanka (2014-2018)
  • Faculty Coordinator – Deyata Kirula – 2014 Exhibition, Wayamba University of Sri Lanka
  • Student Counsellor – Faculty of Applied Sciences, Wayamba University of Sri Lanka (2004 – 2006, 2013 – 2016)
  • Joint Secretary – Kuliyapitiya University Teachers’ Association (KUTA) (2013-2014)
  • Acting Head – Department of Mathematical Sciences, Wayamba University of Sri Lanka (2013)
  • Academic Sub-Warden (Part-Time) – Kuliyapitiya Premises, Wayamba University of Sri Lanka (2003 – 2007)
  • Member of the Halls of Residence Committee, Wayamba University of Sri Lanka (2005 – 2007)
  • Member of the Board of Discipline – Wayamba University of Sri Lanka (2005–2007)
  • UNFPA Project Coordinator – Wayamba University of Sri Lanka (2004)
  • Senior Treasurer – Student Union, Faculty of Applied Sciences, Wayamba University of Sri Lanka (2004)
  • Senior Treasurer  – Student Union, Wayamba University of Sri Lanka (2004)

Reviewer of Abstracts – National/International Conference & Symposia:

  • International Conference   on  Applied   and  Pure  Sciences (ICAPS), University   of Kelaniya – 2020
  • 3rd International Research  Symposium  on  Pure  and  Applied  Sciences, University of Kelaniya-2018
  • Wayamba International Conference , Wayamba University of Sri Lanka – 2018
  • Wayamba International Conference , Wayamba University of Sri Lanka – 2014
  • Wayamba International Conference , Wayamba University of Sri Lanka – 2016
  • Annual Symposium, Faculty of Graduate Studies, University of Kelaniya-2014
  • Annual Symposium, Faculty of Graduate Studies, University of Kelaniya-2013

Session Chair / Panel Chair of Conferences/Symposia

  • Mathematical Sciences, 10th  Applied Science, Business & Industrial Research Symposium (ASBIRES) 2018 – Faculty of Applied Sciences, Wayamba University of Sri Lanka (June 13, 2018)
  • Mathematical Sciences , 9th  Applied Science, Business & Industrial Research Symposium (ASBIRES) 2018 – Faculty of Applied Sciences, Wayamba University of Sri Lanka (August 03, 2017)
  • “Differential Equations” under “Mathematics and Statistics, 1st Wayamba International Conference 2014,  Wayamba University of Sri Lanka (August 29 – 30, 2014)
  • Industrial Management/Mathematical Sciences, 5th Applied Science, Business and Industrial Research Symposium (ASBIRES) – 2013 held on at the Faculty of Applied Sciences, Wayamba University of Sri Lanka(August 07, 2013)

Organizing Conferences/ Symposia

  • Member of the Editorial Board – Proceedings of the 12th Applied Science, Business and Industrial Research Symposium (ASBIRES) – 2020, Faculty of Applied Sciences,(December 22, 2020).
  • Member of the Executive Committee – 12th Applied Science, Business and Industrial Research Symposium (ASBIRES) – 2020, Faculty of Applied Sciences (December 22, 2020)
  • Member of the Editorial Board – Proceedings of the 11th Applied Science, Business and Industrial Research Symposium (ASBIRES) – 2019, Faculty of Applied Sciences(November 06, 2019)
  • Chairman – 11th Applied Science, Business and Industrial Research Symposium (ASBIRES) – 2019, Faculty of Applied Sciences, (November 06, 2019)
    • Coordinator – Workshop on Mathematical Sciences – 2018 – Post-conference workshop of  WinC 2018 (August 26, 2018)
  • Member of the Executive Committee, Wayamba International Conference (WinC) – 2018, Wayamba University of Sri Lanka (August 24-25, 2018)
  • Committee-in-Charge – National/International Participation Committee, Wayamba International Conference (WinC) – 2018, Wayamba University of Sri Lanka (August 24-25, 2018)
  • Coordinator – Workshop on Mathematical Sciences – 2016 – Post-conference workshop of  WinC 2016 (August 21, 2016)
  • Member of the Executive Committee, Wayamba International Conference (WinC) – 2016,  Wayamba University of Sri Lanka (August 19-20, 2016)
  • Member of the Editorial Board – Proceedings of the Wayamba International Conference  (WinC) – 2016, Wayamba University of Sri Lanka (August 19-20, 2016)
  • Committee-in-Charge – National/International Participation Committee, Wayamba International Conference (WinC) – 2016, Wayamba University of Sri Lanka (August 19-20, 2016)
  • Member – Publication Committee, Wayamba International  Conference  (WinC) – 2016, Wayamba University of Sri Lanka (August 19-20, 2016)
  • Coordinator – Workshop on Mathematical Sciences – 2014 – Post-conference workshop of  WinC 2014 (August 31, 2014)
  • Member of the Executive Committee, Wayamba International Conference (WinC) – 2014,  Wayamba University of Sri Lanka (August 29-30, 2014)
  • Committee-in-Charge – Logistic Committee, Wayamba International Conference (WinC) – 2016, Wayamba University of Sri Lanka (August 29-30, 2014)
  • Member of the Editorial Board – Proceedings of the Wayamba International Conference  (WinC) – 2014, Wayamba University of Sri Lanka (August 29-30, 2014)
  • Member – Publication Committee, Wayamba International  Conference  (WinC) – 2014, Wayamba University of Sri Lanka (August 29-30, 2014)
  • Member – National/International Participation Committee, Wayamba International Conference  (WinC) – 2014, Wayamba University of Sri Lanka (August 29-30, 2014)

Introduction of New courses/New Degree Programmes

  • Member – Sub-committee for proposal writing for the B.Sc. (Honors) Degree in Engineering Technology

Curriculum Planning and Development

  • Content Developer –B.Sc. Honors in Financial Analytics and Risk Management Degree Programme
  • Fundamental Mathematics I – B.Sc. (Honors) Degree in Engineering Technology
  • Distinctive Academic for the curriculum revision of the Faculty of Management Studies, Sabaragamuwa University of Sri Lanka (August 16, 2013)

As a Resource Person

  • Functional Analysis Seminar, Kyushu University, Japan (April 21, 2023)
  • Functional Analysis Seminar, Kyushu University, Japan (January 31, 2020)
  • Workshop for G.C.E. Advanced Level Combined Mathematics teachers capacity development, North Western Provincial Education Department, Sri Lanka (November 20-22, 2019 and November 26-28, 2019)
  • Workshop for Teachers of the North Western Province – General Certificate of Education (Advanced Level) – Combined Mathematics, North Western Provincial Education Department, Sri Lanka (November 28, 2014)
  • Nonlinear Analysis Seminar, Tokyo Institute of Technology, Japan (February 18, 2013)
  • Young Researcher’s workshop “Fundamental Equations of Fluid Dynamics” at the Graduate School of Mathematics, Nagoya University, Japan (January 07, 2013)
  • Hiroshima Mathematical Analysis Seminar, Hiroshima University, Japan (November 18, 2011)
  • Chief Examiner and a Re-scrutiny Examiner, G.C.E. Advanced Level Examinations Combined Mathematics(2013 – 2020)
  • Resource Person, Seminar for the students who follows G.C.E. (A/L)-Combined Mathematics, Ibbagamuwa Education Zone, Sri Lanka (November 11, 2016)
  • Resource Person, Seminar for the students who follows G.C.E. (A/L)-Combined Mathematics, Kuliyapitiya Education Zone, Sri Lanka (March 08 & 09, 2016)
  • Resource Person, Seminar for the students who follows G.C.E. (A/L)-Combined Mathematics, Giriulla Education Zone, Sri Lanka (February 17, 2016)
  • Resource Person, Seminar for the students who follows G.C.E. (A/L)-Combined Mathematics, Kuliyapitiya Education Zone, Sri Lanka (May 25, 2015)

Publications in Indexed Journals

  1. P.M.N. Dharmawardane, J.E. Munoz Rivera and S. Kawashima, Decay property for second order hyperbolic systems of viscoelastic materials, J. Math. Anal. Appl. 366 (2010), 621–635.
  2. P.M.N. Dharmawardane, T. Nakamura and S. Kawashima, Time-weighted energy method for quasi-linear hyperbolic systems of viscoelasticity, Proc. Japan Acad. Ser. A  87 (2011), no. 6, 99-102
  3. P.M.N. Dharmawardane, T. Nakamura and S. Kawashima, Global solutions to quasilinear hyperbolic systems of viscoelasticity, Kyoto J. Math. 51(2011), no.2, 467-483
  4. P.M.N. Dharmawardane, T. Nakamura and S. Kawashima, Decay estimates of solutions for quasi-linear hyperbolic systems of viscoelasticity, SIAM J. Math. Anal.,44 (2012), no. 3, 1976-2001
  5. P.M.N. Dharmawardane, Global solutions and decay property of regularity-loss type for quasi-linear hyperbolic systems with dissipation, J. Hyperbolic Differ. Equ.  10 (2013), no. 1, 37-76.

Peer-Reviewed Full Papers/Abstracts Published at National/International Conferences/Symposia

Published as Full Papers

  1. K.K.T. S. Silva and P.M.N. Dharmawardane, Mathematical Modelling of the Spread of COVID-19 Cases in Sri Lanka, Vingnanam Journal of Science, 16 (2021) no. 02, 18-23
  2. E.M.P. Ekanayake and P.M.N. Dharmawardane, A New Approach to Find Integral Solutions for the Mordell’s Equation, Vingnanam Journal of Science, 16 (2021) no. 02, 1-3
  3. J.K.C. Lorence, P.M.N. Dharmawardane and D.M.S. Bandara, Constructing New Formulae for Finding Squares of Positive Integers by Studying Their Own Patterns, Proceedings of the 13th Applied Science, Business and Industrial Research Symposium (ASBIRES), Faculty of Applied Sciences, Wayamba University of Sri Lanka, (2021), 31-35
  4. J.K.C. Lorence, M.I.G.S. Sampath and P.M.N. Dharmawardane Predicting Temperature Anomalies in Asia, Proceedings of the 13th Applied Science, Business and Industrial Research Symposium (ASBIRES), Faculty of Applied Sciences, Wayamba University of Sri Lanka, (2021), 123-127
  5. A.P. Wijethunga,  M.I.G.S. Sampath and P.M.N. Dharmawardane, Study on Factors Associated with Suicide Rate in Sri Lanka, Proceedings of the 13th Applied Science, Business and Industrial Research Symposium (ASBIRES), Faculty of Applied Sciences, Wayamba University of Sri Lanka, (2021),138-142
  6. A.M.W.S.O. Abeysinghe, P.M.N. Dharmawardane and N.A.D.N. Napagoda, Forecasting Weekly Electricity Breakdowns in North Western Province, Proceedings of the 12th Applied Science, Business and Industrial Research Symposium (ASBIRES), Faculty of Applied Sciences, Wayamba University of Sri Lanka, (2020), 239-243
  7. R.T. Weliwatta and P.M.N. Dharmawardane, Numerical Approach to obtain solutions of first and second Painleve Equations, Proceedings of the 11th Applied Science, Business and Industrial Research Symposium (ASBIRES), Faculty of Applied Sciences, Wayamba University of Sri Lanka, (2019),  233-237
  8. S.G.V.J.C. Gunasekara and  P.M.N. Dharmawardane, Study on optimization of tropical fish harvesting of a Sri Lankan fish farm, Proceedings of the 9th Applied Science, Business and Industrial Research Symposium (ASBIRES), Faculty of Applied Sciences, Wayamba University of Sri Lanka, (2017), 153-158.
  9. R.K.D.N. Rahubaddha, P.M.N. Dharmawardane and W.M.P.M. Wickramasinge, Factors affecting to the material consumption: A case study of a tyre company in Sri Lanka, Proceedings of the 9th Applied Science, Business and Industrial Research Symposium (ASBIRES), Faculty of Applied Sciences, Wayamba University of Sri Lanka, (2017), 81-85.
  10. B.G.B.S. Nimasha, P.M.N. Dharmawardane and P.A.D.A.N. Appuhamy, Identification of factors affecting for delaying water & waste water treatment plant construction projects: A Case Study of a Sri Lankan Company, Proceedings of the 9th Applied Science, Business and Industrial Research Symposium (ASBIRES), Faculty of Applied Sciences, Wayamba University of Sri Lanka, (2017), 109-114.
  11. T.M.P.G.R.G. Senevirathna, P.M.N. Dharmawardane, and W.M.P.M. Wickramasinghe, Study on identifying factors affecting unemployment in Sri Lanka, Proceedings of the 8th Symposium on Applied Science, Business & Industrial Research(ASBIRES), Faculty of Applied Sciences, Wayamba University of Sri Lanka,  (2016), 115-118
  12. H.L.R.S. Gunarathna, P.M.N. Dharmawardane, and G.M.L.M. Aponsu, Identifying the factors of agents affecting business: A case study of an insurance company in Sri Lanka, Proceedings of the 8th Symposium on Applied Science, Business & Industrial Research Symposium (ASBIRES), Faculty of Applied Sciences, Wayamba University of Sri Lanka, (2016), 75-79.
  13. M.H.S Madushanka, P.M.N. Dharmawardane and P.A.D.A.N. Appuhamy, Factors affecting the claim based on the characteristics of user and insured vehicle, Proceedings of the 8th Symposium on Applied Science, Business & Industrial Research Symposium (ASBIRES), Faculty of Applied Sciences, Wayamba University of Sri Lanka, (2016), 51-55.
  14. P.M.N. Dharmawardane, T. Nakamura and  S. Kawashima, Decay estimates of solutions for nonlinear viscoelastic systems, Advanced Studies in Pure Mathematics, Nonlinear Dynamics in Partial Differential Equations, 64 (2015), 377-385
  15. G.P.J. Madhurangi,  P.M.N.  Dharmawardane, P.A.D.A.N.  Appuhamy,  Comprehensive study on customer service level for paint trading company in Sri Lanka, Proceedings of the 7th Applied Science, Business and Industrial Research Symposium (ASBIRES), Faculty of Applied Sciences, Wayamba University of Sri Lanka, (2015),  33-39
  16. M.S.D. Fernando, P.M.N. Dharmawardane and N.A.D.N. Napagoda, Analysis of factors influencing agent’s perspective towards the lapsation of life insurance policies, Proceedings of the 7th Applied Science, Business and Industrial Research Symposium (ASBIRES), Faculty of Applied Sciences, Wayamba University of Sri Lanka, (2015),  06-11
  17. P.M.N. Dharmawardane, Decay property of regularity-loss type for quasi-linear hyperbolic systems of viscoelasticity, Discrete and Continuous Dynamical Systems, (2013), 197-206.

Published in Abstract Form

  1. P.M.N. Dharmawardane, R.A.D. Piyadasa and S.B.P. Wickramasooriya, Proof for an algorithm to solve the Lane-Emden Equation of index m (mÎ, Annual Research Symposium, Faculty of Graduate Studies, University of Kelaniya, Sri Lanka, (2005),  70- 72
  2. P.M.N. Dharmawardane, Decay property for hyperbolic systems describing viscoelastic materials, 31st Young Researchers’ Workshop on Evolution Equations, Saitama, Japan (2009)
  3. P.M.N. Dharmawardane, J.E. Munoz Rivera and  S. Kawashima, Decay property for hyperbolic systems of viscoelasticity, Mathematical Society of Japan – Spring Meeting, Keio University, Japan,(2010)
  4. P.M.N. Dharmawardane, Energy method and global solutions for quasi-linear hyperbolic systems of viscoelasticity, 32nd Young Researchers’ Workshop on Evolution Equations, Izunagaoka, Japan (2010)
  5. P.M.N. Dharmawardane, T. Nakamura and  S. Kawashima, Existence of global solutions to quasi-linear hyperbolic equations for viscoelasticity, Mathematical Society of Japan – Autumn Meeting, (2010)
  6. P.M.N. Dharmawardane, Optimal decay for quasi-linear hyperbolic systems with dissipation, 33rd Young Researchers’ Workshop on Evolution Equations, Tsukuba, Japan (2011)
  7. P.M.N. Dharmawardane, T. Nakamura and  S. Kawashima, Decay estimates of solutions for nonlinear viscoelastic systems, 4th MSJ-SI International Conference on Nonlinear Dynamics in Partial Differential Equations, Kyushu University, Japan, September 11, 2011
  8. P.M.N. Dharmawardane, T. Nakamura and  S. Kawashima, Decay estimates for quasilinear hyperbolic systems of viscoelasticity, Mathematical Society of Japan – Autumn Meeting, Shinshu University, (2011)
  9. P.M.N. Dharmawardane, Decay property of regularity-loss type for quasi-linear hyperbolic systems of viscoelasticity, 9th AIMS International Conference, Orlando, USA, July 1–5, 2012, 177
  10. P.M.N. Dharmawardane, Global solutions and decay property of regularity-loss type for hyperbolic systems of viscoelasticity, 34thYoung Researchers’ Workshop on Evolution Equations, Kanagawa, Japan (2012).
  11. P.M.N. Dharmawardane, Global solutions for thermoviscoelastic systems, Workshop on Mathematical Sciences, Wayamba University of Sri Lanka (2014), 2
  12. P.M.N. Dharmawardane, Study on hyperbolic system which describes the motion of viscoelastic materials, International Conference on Current Trends in PDEs: Theory & Computations South Asian University, India, December 28-30, 2015
  13. O.G. Pushpasiri and  P.M.N. Dharmawardane, New Approach to Obtain the Solutions to the Lane-Emden Equation and to Some Related Equations, Proceedings of the 9th Applied Science, Business and Industrial Research Symposium (ASBIRES), Faculty Applied Sciences, Wayamba University of Sri Lanka, (2018),  88-89
  14. Rajapaksha R.P.S.V., Dharmawardane P.M.N. and Wickramasinghe W.M.P.M., Factors affecting the prevalence of overweight or obesity among Sri Lankan women, Proceedings of the Wayamba International Conference(WinC)-2018, Wayamba University of Sri Lanka,  401
  15. K.G.H.H.K. Senerath, P.M.N. Dharmawardane and E.M.P. Ekanayake, A New Algorithm to Find Any Positive Integer Power of Any Positive Integer, Proceedings of Peradeniya University International Research Sessions Sri Lanka, 23(2021), 495
  16. K.C. Lorence and P.M.N. Dharmawardane, A Novel Method to Find the Principal Square Root of any Perfect Square, Proceedings of Wayamba University Research Congress (2021), 51-52

Presentations Made at National/International Conferences/ Symposia

  1. “Proof for an algorithm to solve the Lane-Emden Equation of index m (m )”, Annual Research Symposium, Faculty of Graduate Studies, University of Kelaniya, Sri Lanka, December 09, 2005.
  2. “Decay property for second order hyperbolic systems describing viscoelastic materials” , 119th Meeting of Kyushu Branch of Mathematical Society of Japan, Kagoshima University, October 18, 2008.
  3. “Decay property for hyperbolic systems describing viscoelastic materials”, 31st Young Researchers’ Workshop on Evolution Equations, Saitama, Japan, September 02, 2009
  4.  “Global solutions to quasi-linear hyperbolic systems of viscoelasticity”, 121st Meeting of the Kyushu Branch of the Mathematical Society of Japan, Saga University, Japan, October 17, 2009.
  5. “Study on the systems of viscoelasticity”, Kyushu Functional Equations Seminar, Fukuoka University, January 19, 2010.
  6. “Decay property for hyperbolic systems of viscoelasticity”, Mathematical Society of Japan – Spring Meeting, Keio University, Japan, March 27, 2010
  7. “Existence of global solutions to quasi- linear hyperbolic equations for viscoelasticity”, Mathematical Society of Japan – Autumn Meeting, Nagoya University, September 25, 2010.
  8. “Energy method and global solutions for quasi-linear hyperbolic systems of viscoelasticity”, 32nd Young Researchers’ Workshop on Evolution Equations, Izunagaoka, Japan, August 29, 2010
  9. “Optimal decay for quasilinear hyperbolic systems with dissipation”, 33rd Young Researchers’ Workshop on Evolution equations, Tsukuba, Japan, August 28, 2011
  10. “Decay estimates of solutions for nonlinear viscoelastic systems, 4th MSJ-SI International Conference on Nonlinear Dynamics in Partial Differential Equations, Kyushu University, Japan, September 14, 2011.
  11. “Decay estimates for quasilinear hyperbolic systems of viscoelasticity”, Mathematical Society of Japan – Autumn Meeting, Shinshu University, October 01, 2011.
  12. “Decay property of regularity-loss type for quasi-linear hyperbolic systems of viscoelasticity”, 9th AIMS Conference, Florida, USA, July 1–5, 2012.
  13. “Global solutions for hyperbolic-parabolic coupled systems of thermoviscoelasticity” , 127th Meeting of the Kyushu Branch of the Mathematical Society of Japan, Oita University, Japan, October 27, 2012.
  14. Global solutions and decay property of regularity-loss type for hyperbolic systems of viscoelasticity”, 34th Young Researchers’ Workshop on Evolution Equations, Kanagawa, Japan, September 03, 2012
  15. “On the existence of global solutions for thermoviscoelastic system with memory term”, 128th Meeting of the Kyushu Branch of the Mathematical Society of Japan, Kyushu University, February 13, 2013.
  16. “Global solutions for systems of viscoelasticity and thermoviscoelasticity”, Conference on Mathematical Analysis and Partial Differential Equations for Young Researchers, Fukuoka University, 14-16 February 2013
  17. “Global solutions for thermoviscoelastic systems”, Workshop on Mathematical Sciences, Post – Conference of Wayamba International Conference (WinC-2014), August 31, 2014
  18. “Study on hyperbolic system which describes the motion of viscoelastic materials”, International Conference on Current Trends in PDEs, Theory & Computations South Asian University, India, December 28-30, 2015.
  19. “A Novel Method to Find the Principal Square Root of any Perfect Square”,   Wayamba University Research Congress (2021), December 03, 2021
  20. “Global existence of solutions for the systems of thermoviscoelasticity”, International Workshop on Multiphase Flows: Analysis, Modelling and Numerics, Waseda University, Japan, December 05, 2022
  1. Examiner for Research Thesis Evaluation: M.Phil. Degree in Mathematics, Faculty of Graduate Studies, University of Ruhuna, Sri Lanka
  2. Member of Viva Voce Examination Board: M.Phil. Degree in Mathematics, Faculty of Graduate Studies, University of Ruhuna, Sri Lanka
  1. The 1st Kyushu Young Mathematics Prize was awarded by Kyushu Branch of Mathematical Society of Japan, February 13, 2013
  2. Monbukagakusho Scholarship was awarded by the Government of Japan (2007).
  1. Vice – President – Kyushu University Foreign Students’ Association 2010-2011.
  2. General Secretary – Kyushu University Foreign Students’ Association 2009-2010.