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  • AI & Machine Learning, Biology, Computing, Data & AI, Life Sciences
    Abstract Medical trainees depend on diverse visual reference material to develop diagnostic pattern-recognition skills, yet such material is often limited in diversity and accessibility. This paper presents a classifier-in-the-loop generative framework for synthesising realistic histopathology images: a Stable Diffusion v1.5 model is fine-tuned using Low-Rank Adaptation (LoRA) on the PathMNIST dataset, consisting of nine colorectal […]
  • Biology, Chemistry, Life Sciences, Physical Sciences
    Abstract The number of diabetes patients is increasing worldwide, but many cases stay undiagnosed in low-resource regions. The A1C blood test is invasive and costly, therefore it is often not available in these regions. In this research, DiaBreath is proposed as a low-cost noninvasive screening system based on exhaled breath analysis. Volatile organic compounds (VOCs) […]
  • Computing, Data & AI, Data Science, Economics, Social Sciences, Humanities & Policy
    Abstract Digital commerce platforms compete with local vendors under frictions of time, price, and visibility. We test whether an interpretable choice model with reinforcement and social influence can yield substantial changes in aggregate market share as control parameters vary. We simulate repeated customer choice among vendors using a utility function that combines vendor attributes (price, […]
  • AI & Machine Learning, Computing, Data & AI
    Abstract Local businesses are important to neighborhood service access, but access to these services is limited in some areas. This study uses GIS and machine learning to identify possible limited service zones for restaurants and supermarkets across Dublin, Pleasanton, and Livermore in Alameda County, California. The model dataset included 1,134 Alameda County census block groups, […]
  • AI & Machine Learning, Computing, Data & AI, Life Sciences, Neuroscience
    Abstract Background: Modern diagnosis of psychiatric disorders often includes subjective techniques across clinicians, such as interviews and the self-reporting of symptoms, which yield inconsistent results. However, Electroencephalography (EEG) can complement these current methods, offering a non-invasive and standardized measurement of biological signals. This study evaluates the accuracy of deep learning models in classification of psychiatric […]
  • Astronomy & Astrophysics, Physical Sciences
    Abstract This paper uses a computational approach to study the geometry of black hole shadows under precisely controlled conditions. It uses a non-rotating Schwarzschild case as a baseline and extends to a rotating Kerr metric to examine the effect of spin on the geometry. The simulated shadows are then analyzed with quantities representing left–right asymmetry […]
  • AI & Machine Learning, Computer Science, Computing, Data & AI
    Abstract In a multi-agent debate, language-model agents discuss their responses before the system chooses a final answer. Each additional round requires more inference-time computation. We examined whether setting a confidence threshold would reduce unneeded debate rounds while maintaining answer accuracy. We tested fixed-round and adaptive schedules in the publicly available Du and Liang frameworks. Each […]
  • AI & Machine Learning, Biomedical Engineering, Computing, Data & AI, Engineering
    Abstract Electromyographic (EMG) signal classification is vital but remains challenging for advanced prosthetics and medical diagnostics, especially when the number of movement classes increases. While the field favors convolutional neural networks (CNNs), they require more computational resources than small prosthetic devices can handle. Thus, we compared CNNs with simpler feedforward neural networks (FFNNs) to explore […]
  • Social Sciences, Social Sciences, Humanities & Policy
    Abstract The Smolensk Oblast faces persistent demographic decline, with birth rates falling from 10.6‰ in 2015 to 5.8‰ in 2023 and sustained youth out-migration to more developed regions. Despite federal and regional family support programs, these trends continue. This pilot study explores whether economic barriers (income and housing) are perceived as more significant obstacles to […]

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