Results 21 to 30 of about 21,325 (267)

INTERPOLATING WAVELETS ON THE SPHERE

open access: yesUral Mathematical Journal, 2019
There are several works where bases of wavelets on the sphere (mainly orthogonal and wavelet-like bases) were constructed. In all such constructions, the authors seek to preserve the most important properties of classical wavelets including constructions
Nikolai I. Chernykh
doaj   +1 more source

Homeomorphic Images of Orthogonal Bases

open access: yesThe Electronic Journal of Linear Algebra, 2016
Necessary and sufficient conditions are obtained for a sequence $\{x_j:~j\in \mathbb J\}$ in a Hilbert space to be, up to the elimination of a finite subset of $\mathbb J$, the linear homeomorphic image of an orthogonal basis of some Hilbert space $K$. This extends a similar result for orthonormal bases due to Holub [J.R. Holub.
Kebryaee, M., Radjabalipour, M.
openaire   +2 more sources

Application of the Algebraic Extension Method to the Construction of Orthogonal Bases for Partial Digital Convolutions

open access: yesAlgorithms
Mathematical tools have been developed that are analogous to the tool that allows one to reduce the description of linear systems in terms of convolution operations to a description in terms of amplitude-frequency characteristics.
Aruzhan Kadyrzhan   +3 more
doaj   +1 more source

Numeric-analytical approach to integrals calculation at construction of orthogonal models

open access: yesVestnik Samarskogo Gosudarstvennogo Tehničeskogo Universiteta. Seriâ: Fiziko-Matematičeskie Nauki, 2009
The numeric-analytical method of calculation of the integrals is proposed for construction of orthogonal models. The given method allows to increase the accuracy of orthogonal models due to obtained algebraic and recurrent relations for integrals used ...
S. A. Prokhorov, I. M. Kulikovskikh
doaj   +1 more source

Orthogonality for Quantum Latin Isometry Squares [PDF]

open access: yesElectronic Proceedings in Theoretical Computer Science, 2019
Goyeneche et al recently proposed a notion of orthogonality for quantum Latin squares, and showed that orthogonal quantum Latin squares yield quantum codes.
Benjamin Musto, Jamie Vicary
doaj   +1 more source

Orthogonal color bases for exotic representations

open access: yesPhysics Letters B
A complication in the treatment of any strongly charged particle is the SU(3) color structure. For the standard model quarks, antiquarks and gluons there are various well-known strategies for dealing with the color structure, including orthogonal ...
Malin Sjodahl
doaj   +1 more source

Invariant operators, orthogonal bases and correlators in general tensor models

open access: yesNuclear Physics B, 2018
We study invariant operators in general tensor models. We show that representation theory provides an efficient framework to count and classify invariants in tensor models of (gauge) symmetry Gd=U(N1)⊗⋯⊗U(Nd).
Pablo Diaz, Soo-Jong Rey
doaj   +1 more source

Experimental demonstrations of unconditional security in a purely classical regime

open access: yesScientific Reports, 2021
So far, unconditional security in key distribution processes has been confined to quantum key distribution (QKD) protocols based on the no-cloning theorem of nonorthogonal bases.
Byoung S. Ham
doaj   +1 more source

Electronic Fourier–Galois Spectrum Analyzer for the Field GF(31)

open access: yesApplied Sciences
A scheme for the Fourier–Galois spectrum analyzer for the field GF(31) is proposed. It is shown that this analyzer allows for solving a wide enough range of problems related to image processing, in particular those arising in the course of experimental ...
Kaisarali Kadyrzhan   +5 more
doaj   +1 more source

QCD multiplet bases with arbitrary parton ordering

open access: yesJournal of High Energy Physics, 2018
We develop an algorithm for recursively constructing orthogonal multiplet bases for the color space of QCD, for any order of partons and any N c . This recipe is then applied for explicitly constructing some of these bases.
Malin Sjodahl, Johan Thorén
doaj   +1 more source

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