Results 151 to 160 of about 14,047 (249)

A Detailed and Comprehensive Account of Fractional Physics‐Informed Neural Networks: From Implementation to Efficiency

open access: yesArtificial Intelligence for Engineering, Volume 2, Issue 3, Page 251-264, September 2026.
Caputo‐based fPINNs accurately solve fractional ODEs and PDEs while exposing an accuracy–cost trade‐off driven by the history‐dependent fractional derivative. Temporal collocation and shorter time windows are the most effective strategies for improving early‐time accuracy without unnecessary spatial refinement.
Donya Dabiri   +4 more
wiley   +1 more source

Extending geometric discretisation

open access: yes, 2002
THESIS 6816Geometric discretisation (GD) [1] is a novel approach capable of capturing topological properties, based on a correspondence between discrete objects and operations on a triangulation with continuum ones on a manifold.
Sen, Samik
core  

Behavioural state identification from ultra‐high‐frequency movement data

open access: yesMethods in Ecology and Evolution, Volume 17, Issue 9, Page 2713-2728, September 2026.
Abstract The hidden Markov model (HMM) is a central framework for identifying behavioural state changes from animal movement data. In this context, movement is typically represented as a sequence of observed metrics, such as step length and turning angle distributions, generated by an unobserved behavioural state process.
Abdulmajeed F. Alharbi   +4 more
wiley   +1 more source

A novel dual‐decomposition method for non‐convex two‐stage stochastic mixed‐integer quadratically constrained quadratic problems

open access: yesInternational Transactions in Operational Research, Volume 33, Issue 5, Page 3128-3157, September 2026.
Abstract We propose the novel p‐branch‐and‐bound method for solving two‐stage stochastic programming problems whose deterministic equivalents are represented by non‐convex mixed‐integer quadratically constrained quadratic programming (MIQCQP) models. The precision of the solution generated by the p‐branch‐and‐bound method can be arbitrarily adjusted by
Nikita Belyak, Fabricio Oliveira
wiley   +1 more source

A Constructivist Approach to Continuous Variables in Macroscopic Social Research

open access: yesJournal for the Theory of Social Behaviour, Volume 56, Issue 3, September 2026.
ABSTRACT This paper offers a constructivist approach to the analysis of continuous variables in macroscopic social research. Scientific constructivists have well developed ideas about how categories are situated in minds as bounded regions in conceptual space.
James Mahoney
wiley   +1 more source

The Architecture of Language Discretisation

open access: yes
This comprehensive analysis investigates the critical role of tokenisation—the conversion of continuous text into discrete numerical representations—within the architecture of large language models (LLMs). It argues that this process, far from being a simple preprocessing step, fundamentally dictates a model's computational efficiency, morphological ...
openaire   +1 more source

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