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A rapid low-background assay of $^{210}$Pb in archaeological lead
Announce Type: replace Abstract: In this work, we present a fast and highly efficient method for the measurement of $^{210}$Pb in metallic archaeological lead using the commercial low-background liquid scintillation counter Wallac Quantulus 1220 installed at the University of Milano-Bicocca (Italy). By combining an optimized chemical preparation with pulse-shape analysis (PSA), the technique achieves sensitivities at the level of a few $10^2$ mBq/kg within one week of measurement, using...
A Study of Parallel Continuous Local Search
Announce Type: new Abstract: We study parallel Continuous Local Search (CLS) as a solution approach for Boolean satisfiability problems with symmetric pseudo-Boolean (PB) constraints. Here, the $n$-variable PB-satisfiability problem is relaxed to a continuous optimisation problem with a differentiable objective function on an $n$-dimensional hypercube. For satisfiable instances, the global minimisers of this optimisation problem correspond to satisfying assignments of the SAT problem at hand.
A Study of Parallel Continuous Local Search
arXiv:2606.06656v2 Announce Type: replace Abstract: We study parallel Continuous Local Search (CLS) as a solution approach for Boolean satisfiability problems with symmetric pseudo-Boolean (PB) constraints. Here, the $n$-variable PB-satisfiability problem is relaxed to a continuous optimisation problem with a differentiable objective function on an $n$-dimensional hypercube. For satisfiable instances, the global minimisers of this optimisation problem correspond to satisfying assignments of...
Probabilistic dietary exposure modeling and health risk assessment of heavy metals via the fodder-cattle-human continuum in Bangladesh
Dietary exposure to heavy metals (HMs) via animal-source foods is a critical environmental health pathway. In rapidly industrializing Bangladesh, contamination of the bovine food chain from agricultural feeds and industrial emissions poses an unquantified public health burden. This study evaluated exposure pathways, spatial distribution, mass-transfer dynamics, and health risks of six HMs (Cr, Cu, Cd, Pb, As, and Hg) across the fodder-cattle-human continuum.
Hodgkinson eyes 'world domination' in pursuit of 800m world record
Geraint Hughes Sports News Correspondent Keely Hodgkinson: Great Britain's Olympic 800m gold medallist eyes 'world domination' in pursuit of 43-year-old world record Sky Sports News' Geraint Hughes was invited to a Keely Hodgkinson training session ahead of her start to the outdoor season in Rome on Thursday, June 4, with the Great Britain Olympic gold medallist looking to push the boundaries and break the 43-year-old women's 800m world record Last Updated: 04/06/26 7:02am Lying horizontal...
Aussie swim star gives world record a shake at national selection trials
Sam Short set a personal best in winning the men's 400m freestyle at the Australian Swimming Trials. Short's time of 3:40.67 was 0.71 outside German Lukas Martens's world record. Kaylee McKeown and Lani Pallister also won events on the opening night of finals in Sydney.
PAC-Bayesian Reinforcement Learning Trains Generalizable Policies
Announce Type: replace Abstract: We derive a novel PAC-Bayesian generalization bound for reinforcement learning that explicitly accounts for Markov dependencies in the data, through the chain's mixing time. This contributes to overcoming challenges in obtaining generalization guarantees for reinforcement learning, where the sequential nature of data breaks the independence assumptions underlying classical bounds. The new bound provides non-vacuous certificates for modern off-policy...
At 7.7%, India's GDP growth in FY26 beats slowdown predictions; but will the momentum continue?
India’s economy continues to defy all growth projections. At 7.8%, India’s GDP growth for the fourth quarter of FY 2025-26 beat all estimates by a wide margin. Retaining its tag of being the fastest growing major economy, India grew at a robust 7.7% in FY26, exhibiting fundamental strength in a quarter that was partially affected by the US-Iran war.
In situ nanocrystal confinement for efficient blue perovskite LEDs
Abstract Metal halide perovskites have emerged as promising semiconductors for light-emitting diodes (LEDs) owing to their excellent luminescence properties1. However, their performance remains limited, primarily owing to the inherent contradiction between ‘high crystallinity’ and ‘small size’ in the in situ synthesis of perovskite nanocrystals on substrates. Here we report efficient blue perovskite LEDs (PeLEDs) achieved via in situ polymerization-driven nanocrystal confinement to...
Exterior complex scaling enables physics-informed neural networks for quantum scattering
arXiv:2602.04553v2 Announce Type: replace-cross Abstract: Physics-informed neural networks (PINNs) have emerged as a powerful tool for solving differential equations, yet their application to nuclear scattering has been hindered by the oscillatory, non-decaying nature of scattering wave functions. In this work, I demonstrate that exterior complex scaling (ECS) transforms scattering boundary conditions into exponentially decaying waves suitable for neural network solutions, enabling PINNs to...