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Untitled Document
Academic Staff member

Mr. H.H.D. Kumara

Lecturer (probationary)

B.Sc University of Kelaniya
M.Phil (Reading), University of Kelaniya

dilan@maths.ruh.ac.lk
0412222681/14101

LinnkedIn ResearchGate Google Scholar

  • amt312b Mathematical Modelling   -       2026
  • amt314b Applied Statistics II   -       2026
  • imt312b Mathematical Modelling   -       2026
  • imt313b Applied Statistics II   -       2026
  • MAT221b Number Theory   -       2026
  • MSF1113 Calculus I   -       2026
  • MSF2212 Calculus III   -       2026
  • Topological Graph Embedding
  • Numerical Analysis
  • Fuzzy Modeling
  • Operational Research
  • Applications in Graph Theory

    Journals

  • H.H.D. Kumara, A.G.S. Shanika, H.S. Gayashani, W.U. Imeshan, D.G.S.P. Thilakarathne, ”Introduction of modified root finding approaches and their comparative study with existing methods”, Full paper publication, Journal of Innovative Applied Mathematics and Computational Sciences, Abdelhafid Boussouf University center of Mila publishing, Jul 2025.

    • Conference (Abstracts)

  • H.H.D. Kumara, G.S. Wijesiri, S.V.A. Almeida, M. Chandrasena, ”On the Upper Embeddability of Johnson Graph J(n, k) for n > k ≥ 2”, The 2nd International Online Conference on Mathematics and Applications (IOCMA), Jun 2026.
  • H.H.D. Kumara, B.B.U.P. Perera, ”Numerical solutions of fuzzy differential equations using higher order methods”, Conference Abstract at ICAPS 2023, Faculty of Science, University of Kelaniya, Sri Lanka, Oct 2023.
  • KRTS Mahanama, ARW Mohamed, RAS Wickramarathne, GPNM Pathirana, HHD Kumara, MPRL Pathirana, MPAT Wickramanayaka, SLH Gunawardena, MJR Dias, MI Ihsan, KD Kaushalya, MSMS Kumara, ”Survey on the acceptance of online education in state universities of Sri Lanka during the COVID-19 pandemic situation”, ICAPS 2021, Faculty of Science, University of Kelaniya, Sri Lanka, Oct 2021.
  • Dean’s list of the Faculty of Science, University of Kelaniya, academic year 2018-2019. 2020
  • Dean’s list of the Faculty of Science, University of Kelaniya, academic year 2019-2020. 2021
  • Dean’s list of the Faculty of Science, University of Kelaniya, academic year 2020-2021. 2022
  • Academic Coordinator, FMIS Level 1 - Faculty of Science, University of Ruhuna
  • Chairperson, Mini-symposium 2026 - Faculty of Science, University of Ruhuna