Works matching DE "QUATERNION functions"

Results: 303

QGI Algorithm for Solving Quaternion Equation Arising in Image Encryption.

Published in:

Mathematical Methods in the Applied Sciences, 2025, v. 48, n. 12, p. 12514, doi. 10.1002/mma.11042

By:

Li, Xinying;
Song, Caiqin

Publication type:

Article

A complex structure-preserving algorithm for split quaternion matrix LDU decomposition in split quaternion mechanics.

Published in:

Calcolo, 2021, v. 58, n. 3, p. 1, doi. 10.1007/s10092-021-00424-7

By:

Wang, Gang;
Jiang, Tongsong;
Guo, Zhenwei;
Zhang, Dong

Publication type:

Article

Almost complex structures on quaternion-Kähler manifolds and inner symmetric spaces.

Published in:

Inventiones Mathematicae, 2011, v. 184, n. 2, p. 389, doi. 10.1007/s00222-010-0291-6

By:

Gauduchon, Paul;
Moroianu, Andrei;
Semmelmann, Uwe

Publication type:

Article

Quasi-Conformal Actions, Quaternionic Discrete Series and Twistors: SU(2, 1) and G 2(2).

Published in:

Communications in Mathematical Physics, 2008, v. 283, n. 1, p. 169, doi. 10.1007/s00220-008-0563-9

By:

Günaydin, M.;
Neitzke, A.;
Pavlyk, O.;
Pioline, B.

Publication type:

Article

Superconformal Symmetry and HyperKähler Manifolds with Torsion.

Published in:

Communications in Mathematical Physics, 2003, v. 241, n. 1, p. 177, doi. 10.1007/s00220-003-0914-5

By:

Yat Sun Poon;
Swann, Andrew

Publication type:

Article

Flows on Quaternionic-Kähler and Very Special Real Manifolds.

Published in:

Communications in Mathematical Physics, 2003, v. 238, n. 3, p. 525, doi. 10.1007/s00220-003-0850-4

By:

Alekseevsky, Dmitri V.;
Cort&eaacute;s, Vicente;
Devchand, Chandrashekar;
Proeyen, Antoine Van

Publication type:

Article

On Some New Properties of Quaternion Functions.

Published in:

Journal of Mathematical Sciences, 2018, v. 235, n. 5, p. 557, doi. 10.1007/s10958-018-4085-5

By:

Dzagnidze, O.

Publication type:

Article

On the Cauchy theorem for hyperholomorphic functions of spatial variable.

Published in:

Journal of Mathematical Sciences, 2018, v. 229, n. 1, p. 1, doi. 10.1007/s10958-018-3658-7

By:

Herus, Oleg

Publication type:

Article

The Lengths of the Quaternion and Octonion Algebras.

Published in:

Journal of Mathematical Sciences, 2017, v. 224, n. 6, p. 826, doi. 10.1007/s10958-017-3453-x

By:

Guterman, A.;
Kudryavtsev, D.

Publication type:

Article

Ultrasolvable Covering of the Group Z by the Groups Z , Z , AND Q.

Published in:

Journal of Mathematical Sciences, 2016, v. 219, n. 4, p. 523, doi. 10.1007/s10958-016-3125-2

By:

Kiselev, D.

Publication type:

Article

Sum Range of a Quaternion Series.

Published in:

Journal of Mathematical Sciences, 2016, v. 216, n. 4, p. 519, doi. 10.1007/s10958-016-2908-9

By:

Chelidze, G.;
Giorgobiani, G.;
Tarieladze, V.

Publication type:

Article

GRADINGS ON QUATERNION BLOCKS WITH TWO SIMPLE MODULES.

Published in:

Bulletin of International Mathematical Virtual Institute, 2021, v. 11, n. 2, p. 255, doi. 10.7251/BIMVI2102255B

By:

Bogdanic, Dusko

Publication type:

Article

基于四元数尺度函数的边缘检测方法.

Published in:

Journal of Zhejiang University (Science Edition), 2022, v. 49, n. 5, p. 549, doi. 10.3785/j.issn.1008-9497.2022.05.005

By:

胡晓晓;
程冬

Publication type:

Article

On Schur Complements In Bicomplex Representation Of q EP.

Published in:

Journal of Ultra Scientist of Physical Sciences - Section A (Mathematics), 2018, v. 30, n. 3, p. 183, doi. 10.22147/jusps-A/300303

By:

SRIDEVI, S.;
GUNASEKARAN, K.

Publication type:

Article

A note on fixed point results in complex-valued metric spaces.

Published in:

Journal of Inequalities & Applications, 2015, v. 2015, n. 1, p. 1, doi. 10.1186/s13660-015-0550-6

By:

Al-Mezel, Saleh;
Alsulami, Hamed;
Karapınar, Erdal;
Khojasteh, Farshid

Publication type:

Article

Perturbation of Wavelet Frames of Quaternionic-Valued Functions.

Published in:

Mathematics (2227-7390), 2021, v. 9, n. 15, p. 1807, doi. 10.3390/math9151807

By:

Xiao, Fusheng;
He, Jianxun

Publication type:

Article

Calculation of Two Types of Quaternion Step Derivatives of Elementary Functions.

Published in:

Mathematics (2227-7390), 2021, v. 9, n. 6, p. 668, doi. 10.3390/math9060668

By:

Kim, Ji Eun;
Cabada, Alberto;
Agarwal, Ravi P.

Publication type:

Article

Solution of the Optimization Problem of Magnetotelluric Sounding in Quaternions by the Differential Evolution Method.

Published in:

Computation, 2024, v. 12, n. 6, p. 127, doi. 10.3390/computation12060127

By:

Kasenov, Syrym E.;
Demeubayeva, Zhanar E.;
Temirbekov, Nurlan M.;
Temirbekova, Laura N.

Publication type:

Article

Optimal reorientation of spacecraft orbit.

Published in:

Archives of Control Sciences, 2014, v. 24, n. 2, p. 119, doi. 10.2478/acsc-2014-0008

By:

CHELNOKOV, YURIY NIKOLAEVICH;
PANKRATOV, ILYA ALEKSEEVICH;
SAPUNKOV, YAKOV GRIGORIEVICH

Publication type:

Article

Smallest graphs with given generalized quaternion automorphism group.

Published in:

Journal of Graph Theory, 2018, v. 87, n. 4, p. 430, doi. 10.1002/jgt.22166

By:

Graves, Christina;
Graves, Stephen J.;
Lauderdale, L.‐K.

Publication type:

Article

GEOMETRIC CHARACTERIZATION OF THE WORKSPACE OF NON-ORTHOGONAL ROTATION AXES.

Published in:

Journal of Geometric Mechanics, 2014, v. 6, n. 2, p. 141, doi. 10.3934/jgm.2014.6.141

By:

BONGARDT, BERTOLD

Publication type:

Article

Spatial–Temporal Assessment of Eco-Environment Quality with a New Comprehensive Remote Sensing Ecological Index (CRSEI) Based on Quaternion Copula Function.

Published in:

Remote Sensing, 2024, v. 16, n. 19, p. 3580, doi. 10.3390/rs16193580

By:

Wang, Zongmin;
Hou, Longfei;
Yang, Haibo;
Zhao, Yong;
Chen, Fei;
Li, Qizhao;
Duan, Zheng

Publication type:

Article

An Efficient Pose Estimation Algorithm for Non-Cooperative Space Objects Based on Dual-Channel Transformer.

Published in:

Remote Sensing, 2023, v. 15, n. 22, p. 5278, doi. 10.3390/rs15225278

By:

Ye, Ruida;
Ren, Yuan;
Zhu, Xiangyang;
Wang, Yujing;
Liu, Mingyue;
Wang, Lifen

Publication type:

Article

On Functions of Several Split-Quaternionic Variables.

Published in:

Advances in Mathematical Physics, 2016, p. 1, doi. 10.1155/2016/3654530

By:

Grantcharov, Gueo;
Montoya, Camilo

Publication type:

Article

Quaternion to Euler angles conversion: A direct, general and computationally efficient method.

Published in:

PLoS ONE, 2022, v. 17, n. 11, p. 1, doi. 10.1371/journal.pone.0276302

By:

Bernardes, Evandro;
Viollet, Stéphane

Publication type:

Article

On Benedicks–Amrein–Berthier uncertainty principles for continuous quaternion wavelet transform.

Published in:

Mathematical Methods in the Applied Sciences, 2024, v. 47, n. 17, p. 13467, doi. 10.1002/mma.10201

By:

Wang, Xinyu;
Zheng, Shenzhou

Publication type:

Article

On slice hyperholomorphic fractional Hardy spaces.

Published in:

Mathematische Nachrichten, 2017, v. 290, n. 17/18, p. 2725, doi. 10.1002/mana.201700011

By:

Alpay, Daniel;
Colombo, Fabrizio;
Sabadini, Irene

Publication type:

Article

On some structural sets and a quaternionic.

Published in:

Mathematische Nachrichten, 2015, v. 288, n. 13, p. 1451, doi. 10.1002/mana.201300072

By:

Abreu Blaya, Ricardo;
Bory Reyes, Juan;
Guzmán Adán, Alí;
Kaehler, Uwe

Publication type:

Article

On Quaternions with Higher Order Jacobsthal Numbers Components.

Published in:

Gazi University Journal of Science, 2023, v. 36, n. 1, p. 336, doi. 10.35378/gujs.1002454

By:

OZKAN, Engin;
UYSAL, Mine

Publication type:

Article

On decompositions of the complex quaternion valued Hilbert space related to the Helmholtz equation.

Published in:

Journal of Applied Functional Analysis, 2007, v. 2, n. 3, p. 233

By:

Vu Thi Ngoc Ha

Publication type:

Article

Generalized Appell polynomials and Fueter–Bargmann transforms in the polyanalytic setting.

Published in:

Analysis & Applications, 2023, v. 21, n. 3, p. 677, doi. 10.1142/S0219530522500191

By:

De Martino, Antonino;
Diki, Kamal

Publication type:

Article

Perturbation of the generator of a quaternionic evolution operator.

Published in:

Analysis & Applications, 2015, v. 13, n. 4, p. 347, doi. 10.1142/S0219530514500249

By:

Alpay, Daniel;
Colombo, Fabrizio;
Sabadini, Irene

Publication type:

Article

Invariant four-forms and symmetric pairs.

Published in:

Annals of Global Analysis & Geometry, 2013, v. 43, n. 2, p. 107, doi. 10.1007/s10455-012-9336-y

By:

Moroianu, Andrei;
Semmelmann, Uwe

Publication type:

Article

Weyl connections and the local sphere theorem for quaternionic contact structures.

Published in:

Annals of Global Analysis & Geometry, 2011, v. 39, n. 2, p. 165, doi. 10.1007/s10455-010-9228-y

By:

Alt, Jesse

Publication type:

Article

A simple saturated control framework for spacecraft with bounded disturbances.

Published in:

International Journal of Robust & Nonlinear Control, 2016, v. 26, n. 3, p. 367, doi. 10.1002/rnc.3303

By:

Jinchang, Hu;
Honghua, Zhang

Publication type:

Article

Pose consensus in networks of heterogeneous robots with variable time delays.

Published in:

International Journal of Robust & Nonlinear Control, 2015, v. 25, n. 14, p. 2279, doi. 10.1002/rnc.3200

By:

Aldana, Carlos I.;
Romero, Eduardo;
Nuño, Emmanuel;
Basañez, Luis

Publication type:

Article

Quaternion-valued functions in hyperholomorphic FαG(p, q, s) spaces.

Published in:

General Letters in Mathematics (GLM), 2020, v. 8, n. 1, p. 16, doi. 10.31559/glm2020.8.1.3

By:

Kamal, A.;
Yassen, T. I.

Publication type:

Article

Domination number of the non-commuting graph of finite groups.

Published in:

Electronic Journal of Graph Theory & Applications, 2018, v. 6, n. 2, p. 228, doi. 10.5614/ejgta.2018.6.2.3

By:

Vatandoost, Ebrahim;
Khalili, Masoumeh

Publication type:

Article

The Real Solutions to a System of Quaternion Matrix Equations with Applications.

Published in:

Communications in Algebra, 2009, v. 37, n. 6, p. 2060, doi. 10.1080/00927870802317590

By:

Wang, Qing-Wen;
Yu, Shao-Wen;
Zhang, Qin

Publication type:

Article

Completely Reducible Linear Groups Over a Quaternion Division Algebra that Contain a Root Subgroup.

Published in:

Communications in Algebra, 2007, v. 35, n. 3, p. 1019, doi. 10.1080/00927870601074798

By:

Bashkirov, EvgeniiL.

Publication type:

Article

Irreducible Linear Groups of Degree Four over a Quaternion Division Algebra that Contain a Root Subgroup.

Published in:

Communications in Algebra, 2006, v. 34, n. 6, p. 1931, doi. 10.1080/00927870500454802

By:

Bashkirov, EvgeniiL.

Publication type:

Article

ON THE ZEROS OF POLYNOMIALS AND RELATED REGULAR FUNCTIONS OF A QUATERNIONIC VARIABLE.

Published in:

Mathematical Inequalities & Applications, 2024, v. 27, n. 1, p. 219, doi. 10.7153/mia-2024-27-17

By:

MILOVANOVIĆ, GRADIMIR V.;
MIR, ABDULLAH;
HUSSAIN, IMTIAZ

Publication type:

Article

Principles of direct 4-component relativistic SCF: application to caesium auride.

Published in:

Molecular Physics, 1997, v. 91, n. 5, p. 937, doi. 10.1080/002689797171058

By:

Saue, T.;
Faegri, K.;
Helgaker, T.;
Gropen, O.

Publication type:

Article

Dual Quaternion Matrix Equation AXB = C with Applications.

Published in:

Symmetry (20738994), 2024, v. 16, n. 3, p. 287, doi. 10.3390/sym16030287

By:

Chen, Yan;
Wang, Qing-Wen;
Xie, Lv-Ming

Publication type:

Article

Two-Dimensional Quaternion Fourier Transform Method in Probability Modeling.

Published in:

Symmetry (20738994), 2024, v. 16, n. 3, p. 257, doi. 10.3390/sym16030257

By:

Nurwahidah, Nurwahidah;
Bahri, Mawardi;
Rahim, Amran

Publication type:

Article

One-Dimensional Quaternion Fourier Transform with Application to Probability Theory.

Published in:

Symmetry (20738994), 2023, v. 15, n. 4, p. 815, doi. 10.3390/sym15040815

By:

Ekasasmita, Wahyuni;
Bahri, Mawardi;
Bachtiar, Nasrullah;
Rahim, Amran;
Nur, Muhammad

Publication type:

Article

Matrix Equation's Reflexive and Anti-Reflexive Solutions over Quaternions.

Published in:

Symmetry (20738994), 2023, v. 15, n. 1, p. 40, doi. 10.3390/sym15010040

By:

Liu, Xin;
Wen, Kaiqi;
Zhang, Yang

Publication type:

Article

An Efficient Method for Split Quaternion Matrix Equation X − Af (X) B = C.

Published in:

Symmetry (20738994), 2022, v. 14, n. 6, p. N.PAG, doi. 10.3390/sym14061158

By:

Yue, Shufang;
Li, Ying;
Wei, Anli;
Zhao, Jianli

Publication type:

Article

A New Method of Solving Special Solutions of Quaternion Generalized Lyapunov Matrix Equation.

Published in:

Symmetry (20738994), 2022, v. 14, n. 6, p. N.PAG, doi. 10.3390/sym14061120

By:

Liu, Zhihong;
Li, Ying;
Fan, Xueling;
Ding, Wenxv

Publication type:

Article

An Iterative Algorithm for the Generalized Reflexive Solution Group of a System of Quaternion Matrix Equations.

Published in:

Symmetry (20738994), 2022, v. 14, n. 4, p. N.PAG, doi. 10.3390/sym14040776

By:

Jiang, Jing;
Li, Ning

Publication type:

Article