The Coming Quantum Data Grab: Assessing the Threat of Harvest-Now Attacks
A new analysis reveals the surprisingly low cost of intercepting encrypted data today, in anticipation of future quantum decryption capabilities.
Science
Steering Through Uncertainty: A New Approach to Stochastic Control
![The study estimates [latex]J(u)[/latex] with a 95% confidence interval-in this instance, achieving a value of 455-and quantifies the [latex]L^{2}(\mathrm{d}\mathbb{P}\otimes\mathrm{d}t)[/latex] distance between the estimated control [latex]u^{{\mathrm{L}},M}[/latex] and the true optimal control [latex]u^{\*}[/latex], also with a 95% confidence interval, thereby establishing the accuracy of the control estimation process.](https://arxiv.org/html/2602.23473v1/2602.23473v1/x2.png)
Researchers have developed a novel numerical method leveraging signature theory to efficiently solve complex, multi-dimensional stochastic control problems.
Taming Quantum Chemistry Errors with Machine Learning
New research demonstrates how regression techniques can dramatically improve the accuracy of calculations used to model molecular behavior.
Ask Your EHR: A New Approach to Clinical Question Answering
Researchers have developed a system that directly queries electronic health records, offering a more efficient and reliable path to actionable insights than traditional text-based searches.
Securing the Skies: A Blockchain Approach to Intelligent Drone Networks
This review explores how blockchain technology and advanced AI can create robust and trustworthy communication networks for the rapidly expanding world of low-altitude drones.
Encrypted Queries, Real-World Speed: A New Database System Takes Shape
Researchers have developed a novel database engine that significantly accelerates queries performed on encrypted data, overcoming a major hurdle in privacy-preserving data analysis.
Walking Targets: Securing Teleoperated Quadruped Robots
As quadruped robots move from labs to real-world applications, understanding and mitigating their unique cybersecurity risks is becoming critically important.
Seeing Through the Noise: Error Correction Boosts Ghost Imaging
[/latex] coding principles are integrated with imaging through the generation of a speckle field-created by a digital micromirror device and defined by the code’s generator matrix-which illuminates a target, and the resulting modulated signal intensity is then collected, demonstrating a method for encoding information within an optical imaging process.](https://arxiv.org/html/2602.23768v1/2602.23768v1/Image_process.png)
A new approach leveraging BCH codes dramatically improves the resilience of ghost imaging systems, enabling clearer reconstructions even in challenging conditions.
Prioritizing Data: A New Approach to Reliable Communication
![With [latex]F_{orn} = 1000[/latex], [latex]n = 1000[/latex], [latex]R = 0.1[/latex], and [latex]P = 1[/latex], the ORA scheme demonstrates finite blocklength performance within approximately 10% of its asymptotic limit, with backoff increasing predictably as channel conditions deteriorate-a behavior reflected in the importance vector [latex]\overrightarrow{d} = \frac{1}{440}[100, 85, 70, 60, 50, 40, 25, 10][/latex] and quantified by the percentage difference [latex]\frac{N_{6}}{N_{4}} \times 100[/latex] plotted against θ.](https://arxiv.org/html/2602.24225v1/2602.24225v1/percentage_difference_within_ORA_1000.png)
This review analyzes how to strategically protect the most important parts of a message when transmitting data over unreliable channels.
Beyond Dirac: A New Approach to Relativistic Quantum Chemistry
Researchers have developed a novel relativistic quantum chemical method that promises more accurate calculations of electronic structure, particularly for heavy element systems.