Blockchain systems are increasingly deployed in finance, healthcare, supply chains, and IoT, but their open and decentralized nature exposes them to evolving security threats such as Sybil, eclipse, selfish mining, double-spending, and smart contract exploits. Traditional cryptog...
Open access
Research Article10.9734/ajrcos/2026/v19i3844
This paper systematically investigates a multigrid finite element method and its convergence theory for a class of second-order Laplace eigenvalue problems subject to periodic boundary conditions. We establish the variational formulation of the eigenvalue problem in periodic Sobo...
Open access
Research Article10.9734/ajrcos/2026/v19i3842
High-speed network infrastructures which operates at 10–100 Gbps pose high scalability challenges for modern Intrusion Detection Systems (IDS). This has been noted to be particularly true in terms of packet retention, detection latency as well as encrypted traffic analysis. While...
Open access
Research Article10.9734/ajrcos/2026/v19i3843
The Residue Number System (RNS) is a non-positional number system that represent number in the form of residues modulo a set of coprime moduli. This nature of RNS makes it advantageous in achieving carry-free arithmetic. However, due to the non-positional nature of RNS, direct nu...
Open access
Research Article10.9734/ajrcos/2026/v19i3841
Global food security faces unprecedented pressure from crop diseases, which are responsible for annual yield losses estimated at 20–40% of all food production. The application of deep learning methodologies, particularly convolutional neural network (CNN) architectures, to the au...
Open access
Research Article10.9734/ajrcos/2026/v19i3840
Customer lifetime value is an important measure for understanding long term profitability in e-commerce, where firms depend on effective customer retention and development in highly competitive digital markets. Traditional statistical approaches have supported early customer life...
Open access
Research Article10.9734/ajrcos/2026/v19i3839
Freshwater reservoirs in semi-arid Telangana are critical for irrigation, domestic use, fisheries, and ecosystem services, yet are increasingly threatened by nutrient enrichment from agricultural runoff and other watershed inputs that can accelerate eutrophication and degrade wat...
Open access
Research Article10.9734/ajrcos/2026/v19i3838
This study examines how prompt injection and training data poisoning compromise artificial intelligence (AI) systems operating within PCI DSS–protected financial environments and evaluates the adequacy of existing compliance controls in addressing these emerging threats. A multi-...
Open access
Research Article10.9734/ajrcos/2026/v19i3836
Sleep disorders such as insomnia and obstructive sleep apnea have a significant impact on physical health, mental well-being, and overall quality of life. Early and accurate identification of these disorders is essential for effective intervention; however, traditional diagnostic...
Open access
Research Article10.9734/ajrcos/2026/v19i3837
The rapid adoption of artificial intelligence (AI) in healthcare analytics has raised significant concerns regarding patient data privacy, security, and regulatory compliance. This study develops a Privacy-by-Design (PbD) data governance model tailored for AI-driven healthcare an...
Open access
Research Article10.9734/ajrcos/2026/v19i3835