2 papers
math.DS2025
More general contractions in perturbed metric spaces
Maria Nutu, Cristina Maria Pacurar
In the present paper, we introduce two new types of contractive mappings in perturbed metric spaces, namely -perturbed mappings and perturbed Kannan mappings. We prove a fixed…
cs.LG2025
Arrhythmia Classification from 12-Lead ECG Signals Using Convolutional and Transformer-Based Deep Learning Models
Andrei Apostol, Maria Nutu
In Romania, cardiovascular problems are the leading cause of death, accounting for nearly one-third of annual fatalities. The severity of this situation calls for innovative diagno…