Centre National de la Recherche Scientifique

A Complex‐Frequency Framework for Kerker Unidirectionality in Photonic Resonators

ABSTRACT Electromagnetic scattering exhibits various anomalous behaviors, such as forward or backward scattering effects known as the Kerker conditions. These anomalies appear in non‐Hermitian photonic resonators and are mathematically described by operators with complex eigenfre...

How does explicit reliability guide choices? Effect of trustworthiness on choice and metacognition

A key challenge in today’s fast-paced digital world is to integrate information from various sources, which differ in their reliability. Yet, little is known about how explicit probabilistic information about the likelihood that a source provides correct information is used in de...

A phosphoinositide and RAB switch controls early macropinocytosis

Macropinocytosis is a non-selective endocytic process by which cells take up large amounts of extracellular fluid into giant vesicles known as macropinosomes. This mechanism is used by immune cells to sample the surroundings for antigens and can be exploited by cancer cells for n...

Limited global awareness of invasive alien species and little support for their management

Invasive alien species (IAS) are one of the main drivers of global change and can cause a wide range of negative ecological and social impacts. Addressing these impacts requires management actions, which can fail to be effective when not supported by the public. Here, we conducte...

Extriangulated structures from stability conditions and application to braid representations

We use the notion of Bridgeland stability condition and an associated rank function to endow triangulated categories with extriangulated structures and study their extriangulated Grothendieck groups. This study is motivated by Khovanov–Seidel’s categorification of the Burau repre...

The role of visual feedback in metacognitive judgments of motor performance

Predicting the outcome of one's actions is crucial for effective behaviour, yet the mechanical underpinnings of this metacognitive ability remain poorly understood. We investigated the impact of visual feedback on basketball players' ability to monitor the accuracy of their free...

Evolution of organ failures in allogeneic hematopoietic cell transplantation recipients admitted to the intensive care unit

The prognosis of allogeneic hematopoietic cell transplantation (HCT) recipients admitted to the intensive care unit (ICU) has been historically poor and a time-limited ICU trial may be considered in these patients with uncertain outcomes. How the evolution of organ failures over...

Replicability of agent-based simulations: a case study with a SEIRS epidemiological model

Reproducibility is not only a cornerstone of the advancement of science, but also of scientific credibility. However, it remains a persistent challenge across many disciplines, and it is now referred to as the “reproducibility crisis.” This issue is particularly relevant in compu...

Two millennia of Caspian Sea level change and Hyrcanian forest dynamics: A multi-proxy record from the Anzali Lagoon, northern Iran

A multi-proxy study of a 5-m-long sediment core from the Anzali Lagoon (southwest Caspian coasts) was conducted to reconstruct Caspian Sea level fluctuations and concurrent vegetation history in the Hyrcanian forests over the past two millennia. The record reveals several major t...

The Modality Principle in Immersive and Non‐Immersive Virtual Reality: An Eye Tracking Study

ABSTRACT Background According to the modality principle of the Cognitive Theory of Multimedia Learning, learning is better facilitated when visual content is accompanied by a vocal narration compared to text explanation. However, the application of this principle in immersive vir...

Design and analysis of smooth geometry‐conforming lattices via Generalized Bézier patches

Abstract We propose a novel methodology to model globally G 1 geometry‐conforming metamaterials using Generalized Bézier‐based (GB) patches. Since every canonical tile is inscribed in a unit cube, we exploit its natural decomposition in octants and design multi‐sided patches for...

Multiscale Method for Estimating the Thermal Properties of Sandwich Materials Using Infrared Thermography

Characterizing the thermal properties of sandwich materials remains complex because it demands a method that can independently analyze both the thin and thick layers within the same sample. We propose combining flash and step thermography methods with analytical modeling based on...

On the Physical Origins of the Millimeter Fundamental Plane in Active Galactic Nuclei

Abstract Observations of active galactic nuclei have revealed a correlation between millimeter luminosity, X-ray luminosity, and mass, suggesting the emission in each of these bands is powered by a common source. Starting with a set of five general relativistic magnetohydrodynami...

Characterization of Thermal Recovery Activation in Fast Photochromic Flavoprotein Charge-Transfer Complexes

Abstract A promising fast, negative, red-absorbing photochromic system based on an intraprotein intermolecular charge transfer (CT) complex between a flavin cofactor and a substrate-analogue inhibitor MXA (methylthioacetate or methylselenoacetate; X = S, Se) within monomeric sarc...

Minimizer Density Revisited: Models and Multiminimizers

High-throughput sequence analysis commonly relies on k-mers and sampling schemes to improve scalability and data locality. Among these, local schemes are widely used and are typically evaluated by their density, the expected fraction of selected positions. Minimizers are the most...

The geometry of gametic dispersal in a flying mammal, Rhinolophus hipposideros

Abstract Dispersal influences population and evolutionary dynamics, in a manner that depends on by which dispersal strategies gene flow occurs. In some species, mating partners move exclusively for mating, dispersing genes but not individuals. This is the case in many bat species...

Spatiotemporal terahertz emission nanoscopy of spintronic photocurrent

Capturing ultrafast spin and charge photocurrents on nanoscopic scales is essential for fundamental research in physics and engineering, as well as for future applications, such as novel spin-orbitronic devices. Accessing the fundamental dynamics driven by changes in electronic e...

Mental Health Outcomes Among Transgender People in South Africa During the COVID-19 Pandemic: A Cross-Sectional Analysis of Service Disruptions and Social, Structural, and Relational Correlates

Purpose: We examined how sociodemographic, structural, and violence-related factors and disruptions in HIV services and gender-affirming care (GAC: nonmedical supplies, therapy/counseling, medications/hormones, surgeries) were associated with suicidal ideation and moderate/severe...

Revisiting quantum effects on dislocation glide in bcc metals from DFT calculations and machine-learning potentials

Quantum zero-point effects have been long proposed to explain a well-known discrepancy between the low-temperature flow stresses of body-centered cubic metals and corresponding atomistic models of plastic flow. Previous investigations on quantum effects relied on empirical intera...

Novel geometrical test of cosmological expansion from photometric data

In tomographic cosmic-shear observations, the Bernardeau, Nishimichi, Taruya (BNT) transform allows us to build weak lensing transformed maps for which the contribution from low-redshift lenses is nulled. As this transformation depends specifically on the expansion rate of the Un...