Výsledky vyhľadávania - "QUATERNIONS"

Session-based recommendation with quaternion-enhanced attention calculation.

Autori: Guo, F Yuanbiao Liu, S Yishan Zheng, T Canta a ďalší

Zdroj: Intelligent Data Analysis. Jul2025, Vol. 29 Issue 4, p850-865. 16p.

Predmety: *RECOMMENDER systems, *DATABASES, GRAPH neural networks, QUATERNIONS, ANALOGY

Quaternion Algebra and Neutrosophic Integers for Generating an Efficient Mathematical Encryption System.

Autori: Majeed, Majida H. Hamza, Mohammed Hassan Jasim, Abdullah Mhmood a ďalší

Zdroj: Neutrosophic Sets & Systems. 2025, Vol. 91, p838-850. 13p.

Predmety: *INFORMATION technology security, *QUATERNIONS, *INFORMATION organization, *ALGEBRA, *INTEGERS

Quaternion tensor low-rank approximation using a family of non-convex norms.

Autori: Zahir, Alaeddine Jbilou, Khalide Ratnani, Ahmed

Zdroj: Numerical Algorithms. Dec2025, Vol. 100 Issue 4, p2135-2161. 27p.

Predmety: *QUATERNIONS, *TENSOR algebra, *EMPIRICAL research, *CALCULUS of tensors, *FACTORIZATION

The 2-refined neutrosophic quaternions numbers.

Autori: Musa, Iqbal Ahmed Alhasan, Yaser Ahmad Almekhlef, Ahmad Abdullah

Zdroj: Neutrosophic Sets & Systems. 2025, Vol. 90, p96-107. 12p.

Predmety: *ABSOLUTE value, *QUATERNIONS, *ADDITION (Mathematics), *ALGEBRA, *DEFINITIONS

Singular Value Decomposition of Dual Split Quaternion Matrix and Its Algorithm.

Autori: Liu, Xiaochen Li, Ying Sun, Jianhua a ďalší

Zdroj: Mathematical Methods in the Applied Sciences. 11/15/2025, Vol. 48 Issue 16, p15074-15081. 8p.

Predmety: *SINGULAR value decomposition, *QUATERNIONS, *MATRICES (Mathematics), *NUMERICAL analysis, *SCHOLARLY method, *MATRIX multiplications, *ALGORITHMS

Superquadric Motion and Superquadric Hyperbolic Split Quaternion Algebra Via Gielis Formula.

Autori: Özdemir, Zehra Parlak, Esra

Zdroj: Mathematical Methods in the Applied Sciences. 11/15/2025, Vol. 48 Issue 16, p15035-15048. 14p.

Predmety: *QUATERNIONS, *QUADRICS, *KINEMATICS, *HYPERBOLIC geometry, *VISUALIZATION, *ROTATIONAL motion

Novel Structure‐Preserving Method for the Dual Quaternion LU Decomposition and Its Applications.

Autori: Ding, Wenxv Zhao, Jingxi Li, Ying a ďalší

Zdroj: Mathematical Methods in the Applied Sciences. 11/15/2025, Vol. 48 Issue 16, p14880-14889. 10p.

Predmety: *QUATERNIONS, *MATRIX decomposition, *COMPUTATIONAL complexity, *ALGORITHMS, *MATRICES (Mathematics)

The solvability and general solutions to two dual quaternion matrix equations with applications.

Autori: Li, Yu-Fei Wang, Qing-Wen Gao, Zi-Han

Zdroj: International Journal of Computer Mathematics. Nov2025, p1-23. 23p. 3 Illustrations.

Predmety: *QUATERNIONS, *ENCRYPTION protocols, *FEASIBILITY studies, *ALGEBRAIC equations, *CRYPTOGRAPHY

Dual quaternion QR decompositon and its corresponding complex structure-preserving algorithms.

Autori: Sun, Jianhua Li, Ying Liu, Xiaochen a ďalší

Zdroj: Numerical Algorithms. Nov2025, Vol. 100 Issue 3, p1315-1331. 17p.

Predmety: *QUATERNIONS, *MATRIX decomposition, *TENSOR products, *LINEAR systems, *NUMERICAL analysis

Links in the spherical 3-manifold obtained from the quaternion group and their lifts.

Autori: Yoshida, Ken'ichi¹ (AUTHOR) kncysd@hiroshima-u.ac.jp

Zdroj: Journal of Knot Theory & Its Ramifications. Oct2025, Vol. 34 Issue 12, p1-24. 24p.

Predmety: *QUATERNIONS, *THREE-manifolds (Topology), *SPHERICAL geometry

Exploring quaternion framework for subluminal to superluminal space transformations in particle dynamics.

Autori: Chanyal, B. C. Karki, L. S. Joshi, P. K. a ďalší

Zdroj: International Journal of Geometric Methods in Modern Physics. Oct2025, p1. 20p.

Predmety: *QUATERNIONS, *LORENTZ transformations, *KINEMATICS, *DOPPLER effect, *TIME dilation, *RELATIVISTIC astrophysics, *RELATIVE velocity, *PARTICLE dynamics

The quaternionic scalar field.

Autori: Singh, Bhashkar Rawat, A. S. Rawat, Seema

Zdroj: International Journal of Modern Physics A: Particles & Fields; Gravitation; Cosmology; Nuclear Physics. Oct2025, p1. 14p.

Predmety: *QUATERNIONS, *QUANTIZATION (Physics), *CAUSALITY (Physics), *LAGRANGIAN functions, *SCALAR field theory, *NONCOMMUTATIVE algebras, *MINKOWSKI space, *HAMILTONIAN operator

Event-triggered adaptive predefined-time anti-unwinding attitude tracking control for spacecraft.

Autori: Wang, Guogang Feng, Zichao Qu, Youyang a ďalší

Zdroj: PLoS ONE. 10/22/2025, Vol. 20 Issue 10, p1-22. 22p.

Predmety: *SPACE vehicle attitude control systems, *QUATERNIONS, *FEEDBACK control systems, *CONTROL theory (Engineering), *SIMULATION methods & models

Generalized imaginary units in quantum mechanics.

Autori: Giardino, Sergio¹ (AUTHOR) sergio.giardino@ufrgs.br

Zdroj: International Journal of Geometric Methods in Modern Physics. Oct2025, p1. 14p.

Predmety: *QUANTUM mechanics, *QUATERNIONS, *GENERALIZATION, *UNIVERSITY research

Self-Interacting quantum particles.

Autori: Giardino, Sergio¹ (AUTHOR) sergio.giardino@ufrgs.br

Zdroj: International Journal of Geometric Methods in Modern Physics. Oct2025, Vol. 22 Issue 12, p1-21. 21p.

Predmety: *QUATERNIONS, *HILBERT space, *HYPOTHETICAL particles, *FORCE & energy, *MULTIPLE scattering (Physics), *QUATERNION functions

Quaternion Julia sets reimagined: The Garodia–Uddin iteration approach.

Autori: Gdawiec, Krzysztof dos Santos, Yan G. S. Fariello, Ricardo

Zdroj: Chaos. Oct2025, Vol. 35 Issue 10, p1-27. 27p.

Predmety: *QUATERNIONS, *FIXED point theory, *FRACTAL analysis, *SYMMETRY, *FRACTALS

Tetraplectic structures compatible with local quaternionic toric actions.

Autori: Batakidis, Panagiotis Gkeneralis, Ioannis

Zdroj: Annals of Global Analysis & Geometry. Feb2026, Vol. 69 Issue 1, p1-28. 28p.

Predmety: *QUATERNIONS, *TORIC varieties, *TOPOLOGICAL property, *MANIFOLDS (Mathematics), *MATHEMATICAL invariants

Pico-satellite formation configuration method accounting for relative position-attitude coupling.

Autori: Noro, Takumi Inamori, Takaya

Zdroj: Acta Astronautica. Jan2026:Part B, Vol. 238, p86-97. 12p.

Predmety: *AUTOMATIC differentiation, *QUATERNIONS, *ORBITAL mechanics, *CONTINUOUS time models, *SPATIAL arrangement, *MICROSPACECRAFT

Integer-valued polynomials on subsets of quaternion algebras.

Autori: Werner, Nicholas J.¹ (AUTHOR) wernern@oldwestbury.edu

Zdroj: Journal of Algebra. Jan2026, Vol. 686, p195-219. 25p.

Predmety: *QUATERNIONS, *POLYNOMIALS, *IDEALS (Algebra)

Twelve-parameter symmetric affine 3D coordinate transformation based on dual quaternions.

Autori: Bektaş, Sebahattin Erdede, Sevim Bilge

Zdroj: Survey Review. Sep2025, p1-13. 13p. 1 Illustration.

Predmety: *AFFINE transformations, *QUATERNIONS, *COORDINATE transformations, *SYMMETRY