Research Publications: Recent submissions

  • Exact solutions for anisotropic charged perfect fluid spheres in general relativity 
    Kumari, H. H. N. D.; Komathiraja, K. (Faculty of Applied Sciences, South Eastern University of Sri Lanka, Sammanthurai., 2025-10-30)
    In this work we study spherically symmetric space times which are static with the perfect fluid source and an electromagnetic field with pressure anisotropy. Our intention is to generate exact solutions to the ...
  • Classes of exact einstein- maxwell solutions with pressure anisotropy 
    Manodya Hasanganee, J. S.; Komathiraj, K. (Faculty of Applied Sciences, South Eastern University of Sri Lanka, Sammanthurai., 2025-10-30)
    We present a new class of exact solutions to the Einstein-Maxwell system, for a static, spherically symmetric, anisotropic and charged distribution of matter. By assuming specific form for one of the gravitational ...
  • A timetable scheduling using the graph coloring approach 
    Jinomitha, P.; Raviraj, Y. (Faculty of Applied Sciences, South Eastern University of Sri Lanka, Sammanthurai., 2025-10-30)
    This research presents a lecture timetable scheduling system using graph coloring techniques, specifically edge coloring in bipartite graphs. For each subject separate bipartite graphs were constructed with lecturers ...
  • Degree-based topological indices of leprosy drugs using the m-polynomial approach 
    Gunawardhana, D. C.; Lanel, G. J.; Lakshani, M. G. N. (Faculty of Applied Sciences, South Eastern University of Sri Lanka, Sammanthurai., 2025-10-30)
    The M-polynomial is a generalized algebraic polynomial utilized to derive a wide range of topological indices. Topological indices are the numerical parameters that can be used to describe the structural and chemical ...
  • Revan topological indices of supramolecular Fushine acid useful in medical applications 
    Gunawardhana, D. C.; Sino, A. M. F. S.; Moulis, K.; Perera, K. K. K. R.; Lanel, G. J. (Faculty of Applied Sciences, South Eastern University of Sri Lanka, Sammanthurai., 2025-10-30)
    Chemical graph theory plays a pivotal role in mathematical chemistry by representing chemical structures as graphs, with vertices denoting atoms and edges denoting chemical bonds. Topological indices, numerical invariants ...
  • Rehan-lanel indices of anti-tuberculosis drugs 
    Gunawardhana, D. C.; Sino, A. M. F. S.; Moulis, K.; Perera, K. K. K. R.; Lanel, G. J. (Faculty of Applied Sciences, South Eastern University of Sri Lanka, Sammanthurai., 2025-10-30)
    Tuberculosis (TB), caused by Mycobacterium tuberculosis, remains a major global health threat and continues to demand new, effective therapeutic agents. Chemical graph theory offers a powerful approach to studying ...
  • Lagrange’s interpolation technique for analysing students’ achievement in a University level course: a preliminary study 
    Wazeetha Mazari, A. N.; Faham, M. A. A. M. (Faculty of Applied Sciences, South Eastern University of Sri Lanka, Sammanthurai., 2025-10-30)
    This study aims to model and predict student academic performance in the university-level course Vector Algebra and Geometry using Lagrange polynomial interpolation. This research was conducted in a controlled academic ...
  • Novel modified topological indices of anti-cancer drugs 
    Ranasingha, W. H. S. M.; Senaratnac, K. M. J. I. B.; Faham, M. A. A. M. (Faculty of Applied Sciences, South Eastern University of Sri Lanka, Sammanthurai., 2025-10-30)
    Chemical graph theory provides valuable tools for modelling and designing chemical structures and complex networks. It represents atoms as vertices and bonds as edges. Topological indices are numerical descriptors ...
  • Predicting the urban flood risk for the kelani river basin 
    Perera, N. D. R.; Liyanage, U. P.; Erand, K. K. W. H.; Perera, S. S. N. (Faculty of Applied Sciences, South Eastern University of Sri Lanka, Sammanthurai., 2025-10-30)
    The Kelani River Basin supports more than 25% of Sri Lanka’s population, including the Colombo metropolitan area. Due to climate change, irregular monsoons, and rapid urbanization, over 1.2 million people downstream ...
  • Assessment of hydrologic performance in an undulating catchment: case study of the upper Mahaweli catchment, Sri Lanka 
    Weerakoon, W. M. N. B. K.; Naveendrakumar, G.; Patrick, A. E. S.; Sutharsan, M. E. (Faculty of Applied Sciences, South Eastern University of Sri Lanka, Sammanthurai., 2025-10-30)
    Hydrological performance of Upper Mahaweli Undulating Catchment (UMUC) has been studied to a lesser extent in Sri Lanka. This study focused on long term (2005–2024) hydrological and climatic data of three sub-catchments: ...
  • Soil nutrient dynamics in the Kadolkele mangrove reserve, Negombo, Sri Lanka 
    Udeshinia, M. H. S.; Seneviratneb, S. M. M. P. K.; Madurapperuma, B. D. (Faculty of Applied Sciences, South Eastern University of Sri Lanka, Sammanthurai., 2025-10-30)
    Mangroves are vital ecosystems that provide essential services such as shoreline stabilization, carbon sequestration, and nutrient cycling. Though numerous studies have been conducted on mangrove vegetation, their soil ...
  • Comparative study of freshwater and marine water quality at Pasikuda beach site 
    Ashirwadania, S. H. J. N.; Nawasa, M. F.; Fairoje, A. L. M. (Faculty of Applied Sciences, South Eastern University of Sri Lanka, Sammanthurai., 2025-10-30)
    Water pollution is becoming a major global issue, as pollutants frequently transfer between freshwater and marine ecosystems, directly impacting recreational water quality. This study compared key water quality parameters ...
  • Spatiotemporal assessment of Escherichia coli and total coliforms in coastal recreational waters: insights from Arugam Bay and Pasikuda beaches in Eastern Sri Lanka 
    Nawas, M. F.; Sansitha, J.; Mirfath, M. V. F.; Fairoje, A. L. M. (Faculty of Applied Sciences, South Eastern University of Sri Lanka, Sammanthurai., 2025-10-30)
    This ongoing study assesses the presence of Escherichia coli (E. coli) and Total Coliform bacteria in sea beach waters at two popular tourist destinations, Arugam Bay and Pasikuda, located in eastern Sri Lanka, from ...
  • Vegetation structure and composition of beddagana wetland sanctuary: ecological insights from an urban wetland in Sri Lanka 
    Hettiarachchi, I. K.; Seneviratne, S. M. M. P. K.; Madurapperuma, B. D. (Faculty of Applied Sciences, South Eastern University of Sri Lanka, Sammanthurai., 2025-10-30)
    Urban wetlands are vital ecosystems that play a significant role in ecological stability and urban sustainability. The Beddagana Wetland Sanctuary, a Ramsar site in Sri Jayawardenapura Kotte, Sri Lanka, provides important ...
  • Crowd anomaly detection in surveillance videos using hybrid models of autoencoder, GAN, and YOLOv8 
    Vishvaparathy, S.; Akmal Jahan, M. A. C. (Faculty of Applied Sciences, South Eastern University of Sri Lanka, Sammanthurai., 2025-10-30)
    Crowd anomaly detection is an essential aspect in computer vision applications, such as public security monitoring and surveillance in crowded scenes. It is generally not feasible to monitor manually, and consequently, ...
  • Wildlife animal detection using YOLOv11 for mitigating human wildlife conflict 
    Ahamed Musanika, L.; Hanees, A. L. (Faculty of Applied Sciences, South Eastern University of Sri Lanka, Sammanthurai., 2025-10-30)
    Human-wildlife conflict (HWC) in Sri Lanka is a significant issue, as elephants, monkeys, and peacocks often destroy crops and threaten livelihoods. Conventional control methods such as electric fencing and patrols ...
  • Analyzing trends and determinants of employee absenteeism in the apparel manufacturing sector 
    Sasmika, S. P. Y. S.; Jayarathnea, A. S. A.; Nawagamuwa, N. D. T. V.; Thawalpitiya, P. T. G. S. T.; Lakmali, S. M. M. (Faculty of Applied Sciences, South Eastern University of Sri Lanka, Sammanthurai., 2025-10-30)
    Employee absenteeism creates a major operational and financial burden for organizations, especially in labor-intensive sectors. This study aims to identify patterns and key factors influencing employee absenteeism using ...
  • Machine learning-based EEG characterization of cognitive and meditative states in University students 
    Paula, M. H.; Lankasena, B. N. S.; Jayarathne, I. (Faculty of Applied Sciences, South Eastern University of Sri Lanka, Sammanthurai., 2025-10-30)
    Over the years, people around the world have been exposed to mental illnesses or mental health problems. Researchers and experts have used a variety of techniques and tests to identify the brain state, measure mental ...
  • An ontology-driven cloud-based framework to enhance electronic health record (EHR) integration in Sri Lanka 
    Rangana, K. D. T. (Faculty of Applied Sciences, South Eastern University of Sri Lanka, Sammanthurai., 2025-10-30)
    Sri Lanka’s healthcare sector faces persistent challenges in implementing a unified Electronic Health Record (EHR) system due to fragmented infrastructures, limited interoperability, and increasing demands for patient ...
  • Field imaging constraints and AI model readiness for early detection of rice leaf folder infestation in Sri Lankan paddy fields 
    Janarththanan, J.; Mikunthan, G.; Liyanage, S. R.; Tharagaa, S. (Faculty of Applied Sciences, South Eastern University of Sri Lanka, Sammanthurai., 2025-10-30)
    Early detection of rice leaf folder (Cnaphalocrocis medinalis) is essential for mitigating yield losses in Sri Lankan paddy fields, where rice is a staple crop under constant threat from pest infestations. This study ...

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