13th Annual Science Research Session: Recent submissions

Now showing items 21-40 of 82

Bayesian optimization in Gaussian process regression for accurate air quality prediction.

Karlavi, M. M.; Chatrabgoun, O. (Faculty of Applied Sciences, South Eastern University of Sri Lanka, Sammanthurai., 2024-11-06)

Air pollution, especially nitrogen dioxide (NO₂), poses significant risks to public health and environmental quality. Traditional statistical models for predicting NO₂ levels often fail to capture the complex, nonlinear ...
Graph theory approaches on movie recommendation system

Divyanjalee, K. A. S.; Lanel, G. H. J. (Faculty of Applied Sciences, South Eastern University of Sri Lanka, Sammanthurai., 2024-11-06)

This study presents a comprehensive evaluation of a movie recommendation system utilizing three graph theory approaches: Genre-based correlation approach, User-movie ratings approach, and Genre distribution using ...
Geometric matrices and their properties

Kapurubandara, R. S. M.; Kumara, K. K. W. A. S. (Faculty of Applied Sciences, South Eastern University of Sri Lanka, Sammanthurai., 2024-11-06)

Geometric Calculus has mostly been used in analysis, focusing less on linear algebra. In this paper we defined the fundamental operations, geometric addition (G-addition) and geometric multiplication (G-multiplication). ...
Review on the adomain decomposition method and collocation method for solving fractional differential equations

Fasmie, N. M.; Fajila, M. N. F. (Faculty of Applied Sciences, South Eastern University of Sri Lanka, Sammanthurai., 2024-11-06)

Numerous real-life problems involving fractional calculus are widely used in different branches of mathematical physics, engineering science, etc. Solving Fractional Differential Equations (FDEs) is an active field of ...
Modeling tea harvest in a Sri Lankan estate using Lagrange’s interpolation method

Rathnayaka a, R. M. N. S.; Faham, M. A. A. M. (Faculty of Applied Sciences, South Eastern University of Sri Lanka, Sammanthurai., 2024-11-06)

Precise tea harvest forecasting is essential to the effective operation of Sri Lanka's tea estates since it allows for the best possible allocation of resources and productivity. This paper presents a novel method for ...
Contra-harmonic index and polynomial of nanotubes and Nanotorus

Gunawardhana, D. C.; Lanel, G. H. J. (Faculty of Applied Sciences, South Eastern University of Sri Lanka, Sammanthurai., 2024-11-06)

A topological index is a numerical value that characterizes the topology of a graph. Topological indices of molecular graphs are crucial in Chemical Graph Theory and can be utilized to examine the chemical properties ...
Modeling price variation of tea products in Sri Lankan estate: a lagrange interpolation approach

Indrawansha, N. G. G. R. K.; Faham, M. A. A. M. (Faculty of Applied Sciences, South Eastern University of Sri Lanka, Sammanthurai., 2024-11-06)

Lagrange Interpolation Approach" develops a mathematical model to analyze the factors influencing tea price fluctuations in Sri Lanka. It uses Lagrange interpolation to create a polynomial that accurately represents ...
Comparison of fish species diversity in two stream segments within an oil palm plantation in Southern Sri Lanka

Samarasinghe, S. V. C. L.; Fernando, I. A. A. M.; Fernando, B. V. P.; Jayapali, U.; Karawita, H. (Faculty of Applied Sciences, South Eastern University of Sri Lanka, Sammanthurai., 2024-11-06)

The rapid expansion of oil palm plantations has raised concerns about the potential ecological impact on aquatic biodiversity, particularly in tropical regions. Streams within these plantations often undergo alterations ...
Threats to the Sri Lankan leopard: an analysis of mortality data

Fernando, B. V. P.; Karawita, K. V. D. H. R.; Kumara, P. H. S. C.; Jayapali, U.; Madhumadhawa, R. C. (Faculty of Applied Sciences, South Eastern University of Sri Lanka, Sammanthurai., 2024-11-06)

The Sri Lankan Leopard (Panthera pardus kotiya), an apex predator endemic to Sri Lanka, is under increasing threat from anthropogenic activities, particularly near human settlements. As a vulnerable species, the need to ...
Study on phytoplankton abundance and diversity in relation to reservoir water level and water quality: a study in Magalla reservoir in Sri Lanka

Abeysinghe, A. M. P. M.; Perera, H. A. C. C.; Hewageegana, N.; Samaranayake, D. A. G. G. S. (Faculty of Applied Sciences, South Eastern University of Sri Lanka, Sammanthurai., 2024-11-06)

The study was carried out in the Magalla freshwater reservoir located in Nikaweratiya, Sri Lanka. The objective was to determine how the water level (m) and water quality affect the abundance (individuals/L) and diversity ...
A study on manufacturing a sustainable product using coconut shells – special reference to Boralesgamuwa area

Dias, R. A. (Faculty of Applied Sciences, South Eastern University of Sri Lanka, Sammanthurai., 2024-11-06)

Sustainable products are those that have positive advantages on environmental, economy and society through the entire product lifecycle Coconut is a seed or a fruit which comes from coconut tree under the palm family tree ...
Assessment of soil microbial biomass carbon and soil available nutrients: a case study on chena cultivation lands in Mihintale, Sri Lanka

Rammiya, M.; Premarathna ., W. D. U; Perera, G. A. D.; Ratnayake, R. R. (Faculty of Applied Sciences, South Eastern University of Sri Lanka, Sammanthurai., 2024-11-06)

The productivity of croplands is greatly influenced by Soil Microbial Biomass Carbon (MBC) and soil available nutrients. It is widely reported that MBC plays a vital role in nutrient transformation in terrestrial ecosystems. ...
Assessing the potential of soil microbial biomass carbon and its interrelationships with soil available macronutrients: a case study in Katupotha dry zone forest systems, Mihintale, Sri Lanka

Kiruciga, M.; Premarathna, W. D. U.; Perera, G. A. D.; Ratnayake, R. R. (Faculty of Applied Sciences, South Eastern University of Sri Lanka, Sammanthurai., 2024-11-06)

Dry zone forest systems in Sri Lanka provide essential environmental services, including carbon sequestration, biodiversity conservation, and water cycle regulation, critical for sustaining the region's ecological ...
Impact of enso on marine phytoplankton abundance in Sri Lanka: insights using sattelite data

Rajapaksha, K.; Naveendrakumar, G. (Faculty of Applied Sciences, South Eastern University of Sri Lanka, Sammanthurai., 2024-11-06)

ENSO (El Niño Southern Oscillation) events lead to ocean warming specifically affect marine phytoplankton abundance in the ocean by altering water temperature, and stratification, thereby impacting phytoplankton growth and ...
A rapid biodiversity assessment in ethaleikulam tank in Batticaloa District; a case study from the first environmental protected area declared in the eastern province of Sri Lanka

Gayathiri, S. (Faculty of Applied Sciences, South Eastern University of Sri Lanka, Sammanthurai., 2024-11-06)

An Environmental Protected Area is any area that is environmentally important and is threatened or with higher necessity of protection under the provisions of 24(C) and 24(D) of National Environmental Act No. 47 of 1980, ...
Siliceous phytoliths in taxonomy of the Sri Lankan wild relatives of rice (Oryza, family poaceae)

Wijesinghe, T.; Jeewani, D. C.; Perera, A. (Faculty of Applied Sciences, South Eastern University of Sri Lanka, Sammanthurai., 2024-11-06)

Understanding the origins and early evolution of rice cultivation and consumption is essential for studying ancient civilizations through archaeological and anthropological research. As a staple food, rice has attracted ...
A preliminary study on plant diversity in dune slacks of the Manalkaadu dune complex, Jaffna Peninsula, Sri Lanka

Amarasekara, E. A. K. K.; Perera, H. A. C. C.; Yatawara, M. D. M. D. W. M. M. K.; Jayasiri, H. B (Faculty of Applied Sciences, South Eastern University of Sri Lanka, Sammanthurai., 2024-11-06)

Dune slacks are damp depressions between coastal dunes where groundwater is often close to the sand surface, rising above it during varying periods of the year. These depressions can form naturally through wind erosion ...
Comparative analysis of machine learning classification approaches for heart disease prediction: a study of preprocessing techniques and algorithms

Karlavi, M. M.; Chatrabgoun, O. (Faculty of Applied Sciences, South Eastern University of Sri Lanka, Sammanthurai., 2024-11-06)

The growing number of cardiovascular diseases is a big concern for health worldwide, showing the need for effective tools to help detect these diseases early and provide timely treatment. This research contributes to ...
Water quality monitoring system for aquaculture using iot and machine learning

Rathnayaka, R. M. C. J. S.; Hanees, A. L. (Faculty of Applied Sciences, South Eastern University of Sri Lanka, Sammanthurai., 2024-11-06)

The aquaculture industry's success hinges on maintaining optimal water quality, especially for fish breeding. This study aims to optimize aquaculture practices through an IoT-enabled water quality monitoring system. ...
Prototype automated multi-functional robot for warehouse cargo handling

Vidanapathirana, K. D.; Nanayakkara, P. G. A. I.; Sajanapriya, K. A. H.; Jayasuriya, L. T. (Faculty of Applied Sciences, South Eastern University of Sri Lanka, Sammanthurai., 2024-11-06)

Manual picking and sorting in warehouses were identified as slow, costly, and labor intensive processes, with labor contributing to 65% of total operational costs, and picking accounting for 55%. To address these ...

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