Results 31 to 40 of about 297 (133)

Profiling the sleep architecture of ageing adults using a seven‐state continuous‐time Markov model

Journal of Sleep Research, Volume 34, Issue 2, April 2025.
Summary Sleep is a complex biological process regulated by networks of neurons and environmental factors. As one falls asleep, neurotransmitters from sleep–wake regulating neurones work in synergy to control the switching of different sleep states throughout the night. As sleep disorders or underlying neuropathology can manifest as irregular switching,
Jonathon Jacobs, Caitlin E. Martin, Bernard Fuemmeler, Shanshan Chen   +3 more
wiley   +1 more source

Navigating Supply Shocks: Sector Resilience and Production Prices Through Stochastic Input–Output Modeling

Mathematical Finance, EarlyView.
ABSTRACT This study develops a novel multivariate stochastic framework for assessing systemic risks, such as climate and nature‐related shocks, within production or financial networks. By embedding a linear stochastic fluid network, interpretable as a generalized vector Ornstein–Uhlenbeck process, into the production network of interdependent ...
Giovanni Amici, Gianluca Fusai, Anna Maria Gambaro, Daniele Marazzina   +3 more
wiley   +1 more source

Catecholaminergic polymorphic ventricular tachycardia–linked ryanodine receptor variants exhibit domain‐specific calcium leak and calmodulin affinity properties

The Journal of Physiology, EarlyView.
Abstract figure legend Catecholaminergic polymorphic ventricular tachycardia (CPVT) variants in N terminal (NTD) and central domain (CD) but not pore domain induce a pathological RyR2 conformational shift upon protein kinase A (PKA) phosphorylation, similar to that seen in heart failure (HF), calcium/calmodulin‐dependent protein kinase II (CaMKII ...
Hitoshi Uchinoumi, Xiaoqiong Dong, Ivanita Stefanon, Yi Yang, Eduardo Hertel Ribeiro, Bengt Svensson, Xander H. T. Wehrens, Takeshi Yamamoto, Razvan L. Cornea, Robyn T. Rebbeck, Masafumi Yano, Donald M. Bers   +11 more
wiley   +1 more source

Endogenous Distress Contagion in a Dynamic Interbank Model: How Possible Future Losses May Spell Doom Today

Mathematical Finance, Volume 36, Issue 3, Page 595-619, July 2026.
ABSTRACT We introduce a dynamic and stochastic interbank model with an endogenous notion of distress contagion, arising from rational worries about future defaults and ensuing losses. This entails a mark‐to‐market valuation adjustment for interbank claims, leading to a forward‐backward approach to the equilibrium dynamics whereby future default ...
Zachary Feinstein, Andreas Søjmark
wiley   +1 more source

BiT‐MoFE: Unified illumination correction in capsule endoscopy

Journal of Intelligent Medicine, Volume 3, Issue 2, Page 125-139, June 2026.
Abstract As a prevalent non‐invasive screening technique, Wireless Capsule Endoscopy is often hindered by poor image quality, including under‐/overexposure and low light condition. While illumination correction based on diffusion modeling or frequency‐domain decomposition has shown effectiveness, existing methods often (1) underexploit structural ...
Haoyu Ding, Yuntong Tian, Tianling Liu, Hongying Liu, Liang Wan   +4 more
wiley   +1 more source

A complex multi-state k-out-of-n: G system with preventive maintenance and loss of units [PDF]

, 2020
In this study, a multi-state k-out-of-n: G system subject to multiple events is modeled through a Markovian Arrival Process with marked arrivals. The system is composed initially of n units and is active when at least k units are operational.
Ruiz Castro, Juan Eloy
core   +1 more source

Excitonic Theory of the Ultrafast Optical Response of 2D‐Quantum‐Confined Semiconductors at Elevated Densities

Advanced Quantum Technologies, Volume 9, Issue 6, June 2026.
In this work, an excitonic many‐body theory for the ultrafast optical response at elevated excitation densities for Wannier–Mott excitons is developed and applied to two distinct materials (GaAs quantum well and MoSe2 monolayer) as proponents of two different Coulomb‐interaction regimes.
Henry Mittenzwey, Oliver Voigt, Andreas Knorr   +2 more
wiley   +1 more source

No safe refuge? Contrasting effects of hunting on rainforest mammal persistence and (re)colonisation

Journal of Applied Ecology, Volume 63, Issue 6, June 2026.
Our results imply that hunting not only targets areas used as refuges by wildlife, but also reduces recolonisation potential and may therefore alter source–sink dynamics. We recommend spatially targeted community‐led actions to limit hunting where wildlife still persists through the creation of no‐hunting areas to ensure the long‐term persistence of ...
Vianny R. V. Nguimdo, Mathias W. Tobler, Ekwoge E. Abwe, Marcel E. Ketchen, Nelson E. Betobe, Bethan J. Morgan, Johannes Kamp, Mahmood Soofi, Matthias Waltert   +8 more
wiley   +1 more source

Dynamics and Structure of Molten Neodymium Titanate

Journal of the American Ceramic Society, Volume 109, Issue 6, June 2026.
ABSTRACT Binary rare earth titanates can be vitrified using levitation melt quenching, and their glasses are promising for optical applications. To better understand their thermophysical properties and dynamics, we have used molecular dynamics (MD) and empirical potential structure refinement (EPSR) to simulate molten neodymium titanate, 83TiO2–17Nd2O3.
Stephen K. Wilke, Collin J. Wilkinson, Chris J. Benmore, Daniel R. Neuville, Richard Weber   +4 more
wiley   +1 more source

Using Stochastic Simulations to Shed Light on How to Deploy Speed Breeding and Genomic Selection in Self‐Pollinated Recurrent Breeding Programs

Plant Breeding, Volume 145, Issue 3, Page 625-636, June 2026.
ABSTRACT Speed breeding can shorten breeding cycles and, when combined with genomic selection, can accelerate genetic gain. Yet it remains unclear how different integration strategies affect long‐term response, genetic variance and cost‐efficiency in small public programs.
Jesimiel da Silva Viana, Júlio César DoVale, Roberto Fritsche‐Neto   +2 more
wiley   +1 more source