Listening to the Heart: AI Improves Cardiovascular Disease Detection
![A classification model-comprising one- and two-dimensional convolutional layers alongside a Long Short-Term Memory network and trained with the ADAM optimizer-achieved differentiation of five heart valvular conditions using a Gabor dictionary ([latex]\beta=2^{1}[/latex]) and elastic net regularization ([latex]\alpha=0.1[/latex]) across 100,100 experiments, as evidenced by its confusion matrix.](https://arxiv.org/html/2604.12483v1/x14.png)
A new deep learning approach leverages advanced signal processing to enhance the accuracy of heart sound analysis for earlier disease identification.
Science
Can AI Read the Market?
New research rigorously tests whether vision-language models can truly interpret candlestick charts to predict stock price movements.
Uncovering the Laws of Motion: From Chaos to Climate
![Governing equation identification across chaotic systems-specifically the Sprott and Halvorsen systems-demonstrates that performance, measured as the fraction of successful term recoveries from 100 trials, improves with increasing observational data [latex]n[/latex] at a signal-to-noise ratio of 49 dB, and surpasses an 80% success rate threshold for Bayesian-ARGOS, ARGOS, and SINDy methods as the signal-to-noise ratio increases at [latex]n=5000[/latex].](https://arxiv.org/html/2604.11929v1/x11.png)
A new framework efficiently extracts governing equations from complex data, bridging the gap between observation and fundamental understanding of dynamic systems.
When AI Misses, Lives Are on the Line
![The research demonstrates a shift in model behavior-achieved through a proposed method (RCL)-that prioritizes minimizing critical errors in diagnostic accuracy, explicitly moving beyond the high-risk, high-accuracy zone exemplified by Focal Loss and toward a safer operating region where reduced fatal errors outweigh marginal gains in overall [latex]F1[/latex]-Macro score.](https://arxiv.org/html/2604.12693v1/fig2_tradeoff_plot.jpg)
A new approach to machine learning focuses on drastically reducing the most dangerous errors in medical image analysis, prioritizing patient safety above all else.
Predicting the Storm: A New AI Model for Global Cyclone Forecasting
Researchers have developed an advanced deep learning model capable of more accurately predicting the path and intensity of tropical cyclones worldwide, along with quantifying the associated uncertainties.
Stress-Testing the Global Economy: A New Resilience Index
A novel composite index, the Gondauri Index, provides a diagnostic framework for assessing and benchmarking macro-financial stability across nations.
Trading Spectrum with AI: A New Autonomous Marketplace
Researchers have developed a framework leveraging artificial intelligence and blockchain technology to create a fully automated and secure system for managing and trading wireless spectrum.
Listening for Trouble: Transformers Tune In to Machine Health
New research reveals that transformer networks offer a significant advantage over traditional methods in detecting subtle anomalies in machine sounds, paving the way for more effective predictive maintenance.
The Hidden Order of Markets
![A model iteratively maps price trajectories, estimating the probability distribution of returns using a single realization-demonstrated with Netflix stock (NFLX) data from July 2022 to July 2023-to reveal the evolution of price and its corresponding probability density function [latex] \hat{\rho}\left(r^{\left(k\right)}\right) [/latex].](https://arxiv.org/html/2604.12197v1/fig1.png)
New research reveals how financial factors aren’t pre-defined, but emerge dynamically from the interconnectedness of assets.
Decoding the AI Hype: When Does Enthusiasm Become a Bubble?
New research offers a robust method for pinpointing periods of irrational exuberance in the age of artificial intelligence.