Dr. (Mrs) K.K.K.R. Perera

Spectral Graph Theory and related applications

Energy of graphs

K.G.M.U. Wickramasinghe, K.K.K.R.Perera, Randic Index and Harmonic Index of Roach Graph, 12th International Research Conference, General Sir John Kotelawala Defence University, 2019.

A.P.D.S. Senewirathna, K.K.K.R.Perera, Minimum Normalized cut value of Tadpole Graphs, Proceedings of the 4th International Research Symposium on Pure and Applied Sciences, University of Kelaniya, Sri Lanka, pg.89, 2019.

K.G.M.U. Wickramasinghe, K.K.K.R.Perera,The Domination Number and Non-split Domination Number of Roach Graph, Proceedings of the Postgraduate Institute of Science Research Congress, University of Peradeniya, Sri Lanka, pg.31, 2019.

K.G.M.U. Wickramasinghe, K.K.K.R. Perera, Isoperimetric Number and Binding Number of Roach Graph, Proceedings of the International Conference on Mathematics and Mathematics Education, Postgraduate Institute of Science,University of Peradeniya, Sri Lanka: 22nd-23rd March, 2019, Pg. 14

IMLN Jayaweera, KKKR Perera, J Munasinghe, Centrality Measures to Identify Traffic Congestion on Road Networks: A Case Study of Sri Lanka, IOSR Journal of Mathematics (IOSR-JM), Volume 13, Issue 2 , 2017, PP 13-19.

RMDD Rathnayaka, KKKR Perera, Image segmentation based on spectral clustering methods, In Proceedings of the International Research Symposium on Pure and Applied Sciences (IRSPAS 2016), Faculty of Science, University of Kelaniya, Sri Lanka, 2016, p 56.

Baalasooriya BMBG, K.K.K.R.Perera, Energy and Estrada ndex of Laplacian type of matrices of strong p-fold and strong double graphs, proceedings of international conference of Wayamba University, Sri Lanka, 2016.

IMLN Jayaweera, KKKR Perera, A graph theoretic approach to control the traffic congestion on road network, Proceedings of the Research Symposium of Uva Wellassa University, 2015.

L.H.N. Indunil, K.K.K.R.Perera, Lollipop graphs and their partitions based on Laplacian matrices, Annual Research Symposium,Faculty of Graduate Studies, 2014, Pg 108.

K.K.K.R.Perera, Roach type of graphs and the characteristics of their partitioning, 14th annual research symposium 2013, University of Kelaniya, page: 97(abstract).

K.K.K.R. Perera, Y. Mizoguchi, Bipartition of graphs based on the normalized cut and spectral methods, Part I: Minimum normalized cut, Journal of Math-for-industry, Vol.5(2013A-8), pp.59-72, 2013.04.

Kissani Perera, Graph Partitioning Based on Normalized Laplacian Matrix and Normalized cut, COE Lecture note, Vol. 32, 2011, Kyushu University.

Kissani Perera, Graph Partitioning Based on Normalized Laplacian Matrix and Normalized cut, Poster presentation at University of Hawaii, USA, 2011, Oct.

K.Perera, Y.Mizoguchi, Laplacian energy of directed graphs and minimizing maximum outdegree algorithms,International Conference on Algebraic and Geometric Combinatorics, South Korea, 2010, July.

K.Perera, Y.Mizoguchi, Laplacian energy of directed graphs and minimizing maximum outdegree algorithms, Journal of Math- for-industry－Preprint(2010).

K.K.K.R. Perera, Y. Mizoguchi, Implementation of Haskell Modules for Automata and Sticker Systems, Journal of Math-for-industry,Vol.1(2009A-7), pp.51-56, 2009 Apr.

K.K.K.R. Perera, Communities in Directed Network Graphs, Annual Research Journal of SLSAJ , Issue9, 2009, pg: 42-45

K.K.K.R. Perera, Spectral clustering for directed and undirected graphs, Annual Research Journal of SLSAJ, Issue8, 2008, pg: 51-57.

K.K.K.R. Perera, Y. Mizoguchi, Finding Clusters in Directed Network Graphs using Spectral Clustering Methods, 62nd Joint Conference of Electrical and Electronics Engineers in Kyushu, 12-1P-02, Sept. 2009.(abstract)

K.K.K.R. Perera, Y. Mizoguchi, Haskell Modules for Automata and Sticker Systems, Joint Conference of Electrical and Electronics Engineers in Kyushu, 12-1A-05, Sept. 2008.(abstract)

Internship report submitted to the Faculty of Mathematics, Kyushu University, “Evaluation of CMS(Content Management System) Heartcore”, 2010.

Online workshop on Student-Centered Teaching for Outcome-Based Education, organized by Faculty of Science, University of Kelaniya, 2020.

Online workshop on GIS as an effective Decision Supporting Tool organized by SLAAS and IESL, Sri Lanka, July 2020.

National workshop on Blended Learning for Education organized by the National E-Learning Resource Centre (NELRC), Faculty of Computing and Technology of the University of Kelaniya in collaboration with the Education University of Hong Kong and National Institute of Education, Singapore on 7th, 8th and 9th of June, 2018 at Pegasus Reef Hotel, Wattala.

Training workshop on Curriculum Development Process and Student-Centered Teaching/Learning and Assessment Methods organized by QIG window 2-ENCM study programme, Faculty of Science, 18-19, July 2013

Consultative Workshop on Sexual and Gender Based Violence organized by the Centre for Gender Studies and Staff Development Unit, 2013.

Workshop on Learning Management System (LMS) Moodle organized by Centre for Continuing and Distance Education, 21st  of June, 2014.

Workshop on Learning Management System (LMS) organized by Centre for Continuing and Distance Education and Staff Development Unit, 10th  of February, 2014.