Prof. S. Sanjeewa Nishantha Perera
Department of Mathematics
Publications - CONFERENCE PROCEEDINGS - Full Papers
SPI threshold standardization for Sri Lanka to identify dry conditions using Gumbel-Hougaard dependencies
CONFERENCE PROCEEDINGS - Full Papers
Proceedings of International Conference on Computational and Mathematical Modelling - 2024, Centre for Mathematical Modeling, University of Colombo, pp 68-74
Publication year: 2024
Solving Sweeping Problem for trees in Graph Theory
CONFERENCE PROCEEDINGS - Full Papers
Proceedings of International Conference on Computational and Mathematical Modelling - 2024, Centre for Mathematical Modeling, University of Colombo, pp 138-144
Publication year: 2024
Performance optimization through hybrid modeling: An application to dengue disease
CONFERENCE PROCEEDINGS - Full Papers
Proceedings of International Conference on Computational and Mathematical Modelling - 2024, Centre for Mathematical Modeling, University of Colombo, pp 205-211
Publication year: 2024
Identification of the trade-off feasibility region between positive and negative traits of a predator-prey system between dengue virus and Aedes vector
CONFERENCE PROCEEDINGS - Full Papers
Proceedings of International Conference on Computational and Mathematical Modelling - 2024, Centre for Mathematical Modeling, University of Colombo, pp 61-67
Publication year: 2024
An early warning system for dengue controlling by synergizing dengue modeling and management
CONFERENCE PROCEEDINGS - Full Papers
Proceedings of International Conference on Computational and Mathematical Modelling - 2024, Centre for Mathematical Modeling, University of Colombo, pp 26-32
Publication year: 2024
Modeling and Forecasting Volatility of Gold Price Using Arima – Ann Hybrid Model and Gold Market Behavior During World Crises
CONFERENCE PROCEEDINGS - Full Papers
Proceedings of the 11th International Symposium – 2023 South Eastern University of Sri Lanka, pp 68-77
Publication year: 2023
Investigating The Forecasting Performance of Garch Models in Predicting Financial Volatility of Large-Cap Stock Indices During The Covid-19 Pandemic
CONFERENCE PROCEEDINGS - Full Papers
Proceedings of the 11th International Symposium – 2023 South Eastern University of Sri Lanka, pp 78-87
Publication year: 2023
Forecasting of Energy Consumption in An Industrial Firm using Statistical and Machine Learning Models
CONFERENCE PROCEEDINGS - Full Papers
Proceedings of the 11th International Symposium – 2023 South Eastern University of Sri Lanka, pp 111-118
Publication year: 2023
Dengue Disease Prediction using Rainfall Variation in The Colombo District, Sri Lanka
CONFERENCE PROCEEDINGS - Full Papers
Proceedings of the 11th International Symposium – 2023 South Eastern University of Sri Lanka, pp 103-110
Publication year: 2023
Comparative Analysis of Rainfall Data Sources in Agro-Ecological Zones of Sri Lanka: Expensive Meteorological Measurements vs Freely Available NASA Data
CONFERENCE PROCEEDINGS - Full Papers
Proceedings of the 28th International Forestry and Environment Symposium 2024 of the Department of Forestry and Environmental Science, University of Sri Jayewardenepura, Sri Lanka, pp 208
Publication year: 2023
Application of Garch Models to Estimate and Predict Financial Volatility of Daily Stock Returns in Yahoo Finance
CONFERENCE PROCEEDINGS - Full Papers
Proceedings of the 11th International Symposium – 2023 South Eastern University of Sri Lanka, pp 45-67
Publication year: 2023
Dengue Disease Prediction with Seasonality of Environmental Factors
CONFERENCE PROCEEDINGS - Full Papers
7th International Conference on Combinatorics, Cryptography, Computer Science and Computing, November 16-17, 2022, pp 527-538
Publication year: 2022
Mitigating covid-19 transmission in Sri Lanka: A mathematical outlook for decision support
CONFERENCE PROCEEDINGS - Full Papers
COVID 19: Impact, Mitigation, Opportunities and Building Resilience, Perspectives of global relevance based on research, experience and successes in combating COVID-19 in Sri Lanka, NSF, Srri Lanka pp 151 - 161
Publication year: 2021
Dengue management system synergize by an exponential smoothing model
CONFERENCE PROCEEDINGS - Full Papers
21st ECMI Conference, Wuppertal, Germany, April 13–15
Publication year: 2021
Comparison of Performances of Selected Forecasting Models : An Application to Dengue Data in Colombo, Sri Lanka
CONFERENCE PROCEEDINGS - Full Papers
21st ECMI Conference, Wuppertal, Germany, April 13–15
Publication year: 2021
Developing aWeather Index Using Fuzzy Multi-Criteria Approach
CONFERENCE PROCEEDINGS - Full Papers
AIP Conference Proceeding 2261, 030083, doi.org/10.1063/5.0017114, pp 1-12
Publication year: 2020
Developing aWeather Index Using Fuzzy Multi-Criteria Approach
ARIMA Models over Dengue Cases Reported in Colombo and Jakarta
CONFERENCE PROCEEDINGS - Full Papers
Proceedings of the 9th YSF Symposium, pp 46-51
Publication year: 2020
ARIMA Models over Dengue Cases Reported in Colombo and Jakarta
ARIMA Models over Dengue Cases Reported in Colombo and Jakarta
CONFERENCE PROCEEDINGS - Full Papers
Proceedings of the 9th YSF Symposium, pp 46-51
Publication year: 2020
Analysis Dengue Data Using Fast Fourier Transformation Tool
CONFERENCE PROCEEDINGS - Full Papers
AIP Conference Proceedings 2261, 030048, doi.org/10.1063/5.0017012, pp 1-9
Publication year: 2020
Analysis Dengue Data Using Fast Fourier Transformation Tool
Analysis Dengue Data Using Fast Fourier Transformation Tool
CONFERENCE PROCEEDINGS - Full Papers
AIP Conference Proceedings 2261, 030048, doi.org/10.1063/5.0017012, pp 1-9
Publication year: 2020
Portfolio Optimization Using Weighted Historical Return Values: Investors View Approach
CONFERENCE PROCEEDINGS - Full Papers
AIP Conference Proceedings 2184, 040003 doi.org/10.1063/1.5136376, pp 1-6
Publication year: 2019
Portfolio Optimization Using Weighted Historical Return Values: Investors View Approach
Multiplat form Dengue Management Android Mobile Application
CONFERENCE PROCEEDINGS - Full Papers
AIP Conference Proceedings 2184, 060025 doi.org/10.1063/1.5136457 pp 1-7
Publication year: 2019
Multiplat form Dengue Management Android Mobile Application
Forecasting Dengue Cases in Colombo, Sri Lanka using Negative Binomial Regression + Exponential Smoothing
CONFERENCE PROCEEDINGS - Full Papers
Proceeding of ASAIHL International Conference, University of Kelaniya, pp 54-63
Publication year: 2019
Forecasting Dengue Cases in Colombo, Sri Lanka using Negative Binomial Regression + Exponential Smoothing
Cluster Analysis of Spatial and Temporal Distribution of Dengue Disease in Sri Lanka from 2012 to 2017
CONFERENCE PROCEEDINGS - Full Papers
AIP Conference Proceedings 2184, 050020 doi.org/10.1063/1.5136408, pp 1-6
Publication year: 2019
Cluster Analysis of Spatial and Temporal Distribution of Dengue Disease in Sri Lanka from 2012 to 2017
Application of Time Series Analysis in Forecasting Dengue Cases in Colombo, Sri Lanka
CONFERENCE PROCEEDINGS - Full Papers
4th Jaffna University International Research Conference Proceedings, pp 567-569
Publication year: 2018
Application of Time Series Analysis in Forecasting Dengue Cases in Colombo, Sri Lanka
Actuarial Based Model to Estimate Direct Cost of Dengue Epidemics
CONFERENCE PROCEEDINGS - Full Papers
4th Jaffna University International Research Conference Proceedings, pp 570-572
Publication year: 2018
Actuarial Based Model to Estimate Direct Cost of Dengue Epidemics
A Kinetic-theory-based Model for Dengue Transmission
CONFERENCE PROCEEDINGS - Full Papers
4th Jaffna University International Research Conference Proceedings, pp 578-579.
Publication year: 2018
A Kinetic-theory-based Model for Dengue Transmission
Mathematical Analysis of Dengue Virus Antibody Dynamics
CONFERENCE PROCEEDINGS - Full Papers
AIP Conference Proceedings 1937, 020014 (2018); doi: 10.1063/1.5026086, pp 1-11.
Publication year: 2018
Mathematical Analysis of Dengue Virus Antibody Dynamics
The effect of physical activities on the temperature variation in the skin: a mathematical modelling approach
CONFERENCE PROCEEDINGS - Full Papers
Proceedings, International Conference on Computational Modelling and Simulation (ICCMS-2017), Organized by Faculty of Science, University of Colombo, Sri Lanka, pp 150 - 153
Publication year: 2017
The effect of physical activities on the temperature variation in the skin: a mathematical modelling approach
Pricing a Epidemiological Diseases Economic Burden
CONFERENCE PROCEEDINGS - Full Papers
Proceedings, 6th International Conference on Computational Mathematics, Computational Geometry & Statistics (CMCGS 2017), Singapore, pp 5-9.
Publication year: 2017
Pricing a Epidemiological Diseases Economic Burden