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Exploring α-ψ-ϕ contractive mapping: novel fixed point theorems in complete b-metric spaces.
F1000Res
January 2025
Mathematics, Ambo University, Ambo, Oromia, Ethiopia.
This paper explores the concept of contractive mappings, contributing to the advancement of self-map extensions and fixed-point theorems within b-metric spaces. We introduce a new class of contractive mappings and demonstrate how they extend traditional contraction principles, offering a broader framework for analyzing fixed points in non-standard spaces. The main result of this study is a generalization of existing fixed-point theorems, supported by comprehensive corollaries, illustrative examples, and rigorous proofs.
View Article and Find Full Text PDFTowards evaluating and building versatile large language models for medicine.
NPJ Digit Med
January 2025
Shanghai Jiao Tong University, Shanghai, China.
In this study, we present MedS-Bench, a comprehensive benchmark to evaluate large language models (LLMs) in clinical contexts, MedS-Bench, spanning 11 high-level clinical tasks. We evaluate nine leading LLMs, e.g.
View Article and Find Full Text PDF[Evaluation of the accuracy of three-dimensional data acquisition from liquid- interference surfaces assisted by a scanner head with a compressed airflow system].
Beijing Da Xue Xue Bao Yi Xue Ban
February 2025
Institute of Medical Technology, Peking University Health Science Center, Beijing 100191, China.
Objective: To quantitatively evaluate the accuracy of data obtained from liquid-interference surfaces using an intraoral 3D scanner (IOS) integrated with a compressed airflow system, so as to provide clinical proof of accuracy for the application of the compressed airflow system-based scanning head in improving data quality on liquid-interference surfaces.
Methods: The study selected a standard model as the scanning object, adhering to the "YY/T 1818-2022 Dental Science Intraoral Digital Impression Scanner" guidelines, a standard that defined parameters for intraoral scanning. To establish a baseline for accuracy, the ATOS Q 12M scanner, known for its high precision, was used to generate true reference values.
A low-cost transhumeral prosthesis operated via an ML-assisted EEG-head gesture control system.
J Neural Eng
January 2025
Department of Electrical and Computer Engineering, Stony Brook University, 211 Light Engineering, Stony Brook University, Stony Brook, NY 11794, Stony Brook, New York, 11794, UNITED STATES.
Objective Key challenges in upper limb prosthetics include a lack of effective control systems, the often invasive surgical requirements of brain-controlled limbs, and prohibitive costs. As a result, disuse rates remain high despite potential for increased quality of life. To address these concerns, this project developed a low cost, noninvasive transhumeral neuroprosthesis-operated via a combination of electroencephalography (EEG) signals and head gestures.
View Article and Find Full Text PDFFungal Biocontrol Agents in the Management of Postharvest Losses of Fresh Produce-A Comprehensive Review.
J Fungi (Basel)
January 2025
Gastro-Intestinal Microbiology and Biotechnology Unit, Agricultural Research Council-Animal Production, Private Bag X02, Irene, Pretoria 0062, South Africa.
Postharvest decay of vegetables and fruits presents a significant threat confronting sustainable food production worldwide, and in the recent times, applying synthetic fungicides has become the most popular technique of managing postharvest losses. However, there are concerns and reported proofs of hazardous impacts on consumers' health and the environment, traceable to the application of chemical treatments as preservatives on fresh produce. Physical methods, on the other hand, cause damage to fresh produce, exposing it to even more infections.
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