Results 41 to 50 of about 16,056 (155)

The wonderland of reflections

open access: yes, 2017
A fundamental fact for the algebraic theory of constraint satisfaction problems (CSPs) over a fixed template is that pp-interpretations between at most countable \omega-categorical relational structures have two algebraic counterparts for their ...
Barto, Libor   +2 more
core   +2 more sources

Robotic Needle Steering for Percutaneous Interventions: Sensing, Modeling, and Control

open access: yesAdvanced Intelligent Systems, Volume 8, Issue 1, January 2026.
This review examines recent advances in robotic needle steering for percutaneous interventions, highlighting closed‐loop sensing, physics‐informed tissue‐needle interaction modeling, and real‐time trajectory planning and control. It synthesizes innovations in deep learning, fiber‐optic feedback, and adaptive control strategies, and outlines emerging ...
Fangjiao Zhao   +5 more
wiley   +1 more source

A Learning Model with Memory in the Financial Markets

open access: yesInternational Journal of Finance &Economics, Volume 31, Issue 1, Page 1203-1213, January 2026.
ABSTRACT Learning is central to a financial agent's aspiration to gain persistent strategic advantage in asset value maximisation. The implicit mechanism that transforms this aspiration into an observed value gain is the speed of error corrections (demonstrating, an agent's speed of learning) whilst facing increased uncertainty.
Shikta Singh   +6 more
wiley   +1 more source

Searching for an algebra on CSP solutions

open access: yes, 2021
The Constraint Satisfaction Problem (CSP) is a problem of computing a homomorphism ${\mathbf R}\to {\bf \Gamma}$ between two relational structures, where ${\mathbf R}$ is defined over a domain $V$ and ${\bf \Gamma}$ is defined over a domain $D$.
Takhanov, Rustem
core  

Delving Into the Depths of the Properties and Behavior of Bipolar Pythagorean Neutrosophic Metric Spaces: A Theoretical Analysis

open access: yesJournal of Mathematics, Volume 2026, Issue 1, 2026.
This paper advances the theory of bipolar Pythagorean neutrosophic fuzzy (BPNF) sets by establishing their formalization within a topological and metric framework, while also demonstrating their role in decision‐making under uncertainty. The main contributions are as follows: (1) definition and characterization of BPNF topological spaces, providing a ...
Akiladevi Natarajan   +5 more
wiley   +1 more source

A Method Combining Model Optimization Algorithm and Grey Relational Analysis for Analyzing Factors Affecting Photovoltaic Cell Output Characteristics

open access: yesEnergy Science &Engineering, Volume 13, Issue 12, Page 6209-6220, December 2025.
For output power, light intensity has the highest correlation, indicating that light intensity is the most sensitive factor affecting the output power of PV cells, and its changes have the most significant impact on output power. The change in temperature will lead to changes in the concentration and mobility of carrier inside the battery, which will ...
Biying Zhou, Peng Zhang
wiley   +1 more source

Relational Bundle Geometric Formulation of Non‐Relativistic Quantum Mechanics

open access: yesFortschritte der Physik, Volume 73, Issue 12, December 2025.
Abstract A bundle geometric formulation of non‐relativistic many‐particles Quantum Mechanics is presented. A wave function is seen to be a C$\mathbb {C}$‐valued cocyclic tensorial 0‐form on configuration space‐time seen as a principal bundle, while the Schrödinger equation flows from its covariant derivative, with the action functional supplying a ...
J. T. François, L. Ravera
wiley   +1 more source

Meta‐Metamodelling of Engineering Systems by Help of Abstract Mathematics

open access: yesMathematical Methods in the Applied Sciences, Volume 48, Issue 16, Page 14815-14827, 15 November 2025.
ABSTRACT The growing trend of automation in engineering significantly increases the complexity of engineering systems and necessitates a deeper understanding of the coupling of physical and cyber components interacting within the systems. A typical example of such a highly coupled system is an autonomous construction site, where robotic systems aim to ...
Daniel Luckey, Dmitrii Legatiuk
wiley   +1 more source

Quasi-projective relation algebras and directed cylindric algebras are categorially equivalent

open access: yes, 2013
arXiv admin note: substantial text overlap with arXiv:1303.7386, arXiv:1304.0712; and overlap with arXiv:math/0508572 by other author without ...
openaire   +2 more sources

The Collaborative Digital Transformation Model—The Case of Indonesian Youth

open access: yesJournal of Public Affairs, Volume 25, Issue 4, November 2025.
ABSTRACT This study focuses on the development and evaluation of an instrument to measure the perception of collaborative digital transformation (CDT) among young citizens in West Java, Indonesia. As digital transformation (DT) drives the digital society, the government plays an important role in guiding this change and emphasizing inclusive ...
Rio Yusri Maulana, Mitja Dečman
wiley   +1 more source

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