Results 91 to 100 of about 560,704 (224)

Ferroelectric Domains and Evolution Dynamics in Twisted CuInP2S6 Bilayers

open access: yesSmall Methods, EarlyView.
A novel mechanism to control ferroelectric and antiferroelectric domains in bilayer twisted CIPS via Moiré superlattices and interlayer coupling. Combined DFT and MLMD simulations reveal the twist‐angle‐dependent domain evolution, offering mechanistic insights and design principles for controllable domain switching and programmable nano electronic ...
Dongyu Bai   +6 more
wiley   +1 more source

Enhanced Hydrogen Release from Hydrogen Boride Nanosheets via Carbon Doping

open access: yesSmall Structures, EarlyView.
This study reports the synthesis of carbon‐doped hydrogen boride nanosheets through an ion‐exchange approach. Carbon incorporation weakens BHB bonds, enhancing hydrogen release under thermal and ultraviolet stimuli. Spectroscopic analysis and density functional theory calculations confirm the structural and electronic changes, demonstrating carbon ...
Riku Kawamura   +20 more
wiley   +1 more source

Financial Time Series Uncertainty: A Review of Probabilistic AI Applications

open access: yesJournal of Economic Surveys, EarlyView.
ABSTRACT Probabilistic machine learning models offer a distinct advantage over traditional deterministic approaches by quantifying both epistemic uncertainty (stemming from limited data or model knowledge) and aleatoric uncertainty (due to inherent randomness in the data), along with full distributional forecasts.
Sivert Eggen   +4 more
wiley   +1 more source

Measure‐valued processes for energy markets

open access: yesMathematical Finance, Volume 35, Issue 2, Page 520-566, April 2025.
Abstract We introduce a framework that allows to employ (non‐negative) measure‐valued processes for energy market modeling, in particular for electricity and gas futures. Interpreting the process' spatial structure as time to maturity, we show how the Heath–Jarrow–Morton approach can be translated to this framework, thus guaranteeing arbitrage free ...
Christa Cuchiero   +3 more
wiley   +1 more source

Feynman diagrams, Hopf algebras and renormalization [PDF]

open access: green, 2022
Herintsitohaina Ratsimbarison
openalex   +1 more source

Unified Asymptotics for Investment Under Illiquidity: Transaction Costs and Search Frictions

open access: yesMathematical Finance, EarlyView.
ABSTRACT This paper investigates the optimal investment problem in a market with two types of illiquidity: transaction costs and search frictions. We analyze a power‐utility maximization problem where an investor encounters proportional transaction costs and trades only when a Poisson process triggers trading opportunities.
Tae Ung Gang, Jin Hyuk Choi
wiley   +1 more source

A community‐driven vision for a new knowledge resource for AI

open access: yesAI Magazine, Volume 46, Issue 4, Winter 2025.
Abstract The long‐standing goal of creating a comprehensive, multi‐purpose knowledge resource, reminiscent of the 1984 Cyc project, still persists in AI. Despite the success of knowledge resources like WordNet, ConceptNet, Wolfram|Alpha and other commercial knowledge graphs, verifiable, general‐purpose, widely available sources of knowledge remain a ...
Vinay K Chaudhri   +31 more
wiley   +1 more source

One Dimensional Metal Oxide Semiconductor Nanotransistors

open access: yesAdvanced Materials Technologies, Volume 10, Issue 21, November 6, 2025.
This review assesses one dimensional metal oxide NW‐FETs as promising alternatives to conventional transistors. It explores how advances in architecture, material composition, and fabrication processes expand device capabilities. Emphasis is placed on novel gate configurations, different metal oxide nanowires, and post‐treatment methods, which ...
Mariana D. Cortinhal   +2 more
wiley   +1 more source

Two-loop kite master integral for a correlator of two composite vertices

open access: yesJournal of High Energy Physics, 2019
We consider the most general two-loop massless correlator I(n 1 , n 2 , n 3 , n 4 , n 5; x, y; D) of two composite vertices with the Bjorken fractions x and y for arbitrary indices {n i } and space-time dimension D; this correlator is represented by a ...
S. V. Mikhailov, N. Volchanskiy
doaj   +1 more source

Study of resonant inelastic light scattering in Keldysh–Schwinger functional integral formalism

open access: yesNew Journal of Physics, 2013
The scattering cross-section of the resonant inelastic light scattering is represented as a correlation function in the Keldysh–Schwinger functional integral formalism.
H C Lee
doaj   +1 more source

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