Centre National de la Recherche Scientifique

Online Learning-Based Adaptive Hybrid Benders Decomposition for Risk-Averse Optimal Sizing

Optimal sizing problem (OSP) under uncertainty is often formulated as two-stage stochastic programming (2SP). However, this formulation typically introduces significant computational and RAM (memory) bottlenecks as the scenario size grows. Benders Decomposition (BD) is a popular...

The GndA Microprotein Promotes Cell Growth during Heat Shock in Escherichia coli

Abstract Hundreds of bacterial small open reading frames (sORFs) encoding microproteins of fewer than 50 amino acids have recently been identified. Biological functions have been ascribed to an increasing number of microproteins, some of which play roles in bacterial stress respo...

Dissociating task, semantic, and response conflict in cognitive aging: evidence from a low-cognitive control Stroop paradigm

Abstract Cognitive aging is often associated with increased Stroop interference, but it remains unclear whether this reflects a broad decline in inhibitory control or selective impairments in specific conflict-resolution mechanisms. The present study examined age-related differen...

Transform-to-thrust reactivation of a fossil back-arc spreading system: Evidence from marine magnetic anomalies in the East Sea (Japan Sea)

Transform faults contain rheological weaknesses that can be reactivated into either divergent or convergent boundaries, depending on tectonic stress regime. While rifting triggered from transform fault is well documented, geophysical evidence demonstrating compressional reactivat...

Unemployment Insurance for All? Social Preferences Evolution in Europe Since the Lifting of the Iron Curtain

ABSTRACT This paper examines the evolution of social preferences over government unemployment insurance in Europe. We find an ‘East‐West divide’ in attitudes towards this role of government policy, with lower support in Eastern Europe for government action to correct adverse labo...

Observation of a supersolid phase in a spin-orbit coupled exciton-polariton Bose-Einstein condensate

In Bose-Einstein condensates, spin-orbit coupling (SOC) produces supersolidity. It is a peculiar state of matter, which, in addition to the superfluid behavior, shows periodic density modulation typical for crystals. Here, we report the fabrication of an original type of optical...

Drug allergy de-labelling with a direct oral challenge in outpatient hospital visits

Abstract Although direct oral challenge has been adopted by numerous clinicians worldwide in the context of drug hypersensitivity, drug allergy de-labelling remains largely confined to inpatient or outpatient hospital-based care,mostly for penicillins. In this study, we aim to pe...

What a highly monitored chikungunya epidemic reveals about preparedness for Europe and beyond

The 2024–25 chikungunya epidemic in Reunion Island illustrates the challenge of translating early warning into timely public-health action during fast-moving arboviral outbreaks. Despite advanced surveillance, the epidemic accelerated rapidly and placed substantial pressure on pr...

Routing to the seizure in postoperative human glioma cortex: spatio-temporal uncoupling between slow and fast extracellular neuronal activities

Abstract Background Diffuse gliomas are frequently associated with epilepsy, particularly in low-grade variants. Seizures are key events to be considered in glioma management, including during surgery. Optimizing resection of epileptic areas may affect not only postoperative epil...

Optimizing Portal Venous Phase Acquisition Quality of Contrast-Enhanced CT in Oncology

Background: Portal venous phase (PVP) contrast-enhanced CT is a cornerstone for response assessment in early-phase oncology trials, yet contrast-enhancement phase timing remains insufficiently monitored across sites. We assessed PVP timing using a validated artificial intelligenc...

Assessing a local vaccination initiative: Eight years of “Immuniser Lyon” in France

“Immuniser Lyon” (IL) is a French city-level initiative launched in 2015 to promote vaccination through coordinated, locally tailored actions. The objective of this study is to describe and compare temporal trends in vaccine coverage for HPV and influenza in the Rhône area versus...

Artificial Intelligence for Engineering-Grade Parametric CAD: A Critical Review of Representations, Large Language Models, and Agentic Design Systems

Artificial intelligence (AI) is rapidly expanding computer-aided design (CAD) from shape generation toward generative, conversational, and agentic engineering. However, most AI–CAD evaluations remain dominated by geometric similarity and execution success, while industrial CAD de...

Beamstop-free small-angle X-ray scattering for multiscale structure measurement of high-energy-density plasma

The advent of free-electron lasers has enabled in-situ small-angle X-ray scattering (SAXS) measurements of laser-produced high-energy-density plasma at solid density, with nanometer- and femtosecond-scale resolution. Such plasmas generally exhibit gentle density gradients, which...

Effect of Temperature on Piezoresistive Behaviour of Carbon Nanotube Filled Epoxy Nanocomposite Strain Sensors sQRS

The incorporation of composite materials in structural applications is experiencing significant growth, with structures such as composite wind turbine blades now reaching 100 m in length and operating under increasingly demanding environmental conditions, including broad temperat...

Design and Replication of Micro- and Nanotextured Polymer Surfaces: A Height-to-Pitch Criterion to Predict Hydrophobicity Enhancement

Abstract The present study examines how the replication of micro- and nanotextures on polymer surfaces enhances their hydrophobic properties and defines a geometric parameter required to obtain functional surfaces at an industrial scale. Nickel shims were fabricated by lithograph...

Sharper Bounds on the Required Fixed-Point Precision for Emulating Floating-Point Matrix Multiplication

Precision emulation algorithms, such as the Ozaki schemes, can leverage low-precision matrix multiply–accumulate to approximate the product \(AB\) , where \(A\) and \(B\) are high-precision floating-point matrices, via fixed-point arithmetic. A key difficulty of these approaches...

A 4200-hour HyperFlash and ÉCLAT campaign on the hyperactive FRB 20240114A: constraining energetics with the most brilliant bursts

Abstract Hyperactive repeaters provide a unique window into the evolving environments and energy budgets of fast radio burst (FRB) sources, though they may not be representative of the FRB population in general. High-cadence observations are key to capturing the rarest and most e...

A Diamagnetic Six-Coordinate Ag(III) Complex

Abstract The octahedral complex AgIII(CF3)3tpy (2Ag), attainable from AgIII(CF3)3py (1Ag) and terpyridine (tpy), has been isolated and characterized using NMR spectroscopy and Sc-XRD. Strikingly, 2Ag proved to be diamagnetic and showed tridentate coordination of the tpy ligand, t...

A comparative study on the immobilization of organic-inorganic polyoxometalates hybrids onto gold electrodes: Direct versus indirect, covalent versus electrostatic grafting

Abstract We explored the conditions of the covalent grafting of organic-inorganic polyoxometalate hybrids onto gold using two basic reactions: the peptide-type coupling between a functionalized POM and a preformed organic self-assembled monolayer and the direct attachment of a th...

Co-production of active char and hydrogen from Algerian Date Palm Spikelet: Mass and energy balance based on experimental data

The industrial deployment of green hydrogen production via biomass gasification is still constrained by high feedstock costs and process complexity. In particular, tar formation in the syngas requires costly gas-cleaning operations and reduces the lifetime of hydrogen separation...