Results 21 to 30 of about 53 (53)

Discrete Dirac−Kähler Equation and its Formulation in Algebraic Form [PDF]

open access: yes, 2016
A relationship between the discrete Dirac−Kähler equation and discrete analogues of some Dirac type equations in the geometric spacetime algebra is discussed. We show that a solution of the discrete Dirac−Kähler equation can be represented as the sum and
Sushch, Volodymyr
core  

Spectral properties of generalized eigenparameter dependent discrete Sturm-Liouville type equation

open access: yes, 2017
Let L denote the non-selfadjoint difference operator of second order with boundary condition generated in ℓ2 (ℕ) byan-1yn-1 + bnyn + anyn+1 = λyn ; n ∈ ℕ;   (0.1)pΣk=0 (y1γk + y0βk) λk = 0;                    (0.2)where {an} n∈ℕ and {bn} n∈ℕ are complex ...
Mohapatra, R. N.   +4 more
core   +1 more source

Relative Uniform Convergence of Quantum Difference Sequence of Functions Related to ℓp-Space Defined by Orlicz Function

open access: yesAnnales Mathematicae Silesianae
The sequence spaces ruℓ∞(𝒪, ∇q), ruℓp(𝒪, ∇q), ruc(𝒪, ∇q), ruc0(𝒪, ∇q), rumϕ(𝒪, ∇q, p), runϕ(𝒪, ∇q, p), rumϕ(𝒪, ∇q), runϕ(𝒪, ∇q) are defined by the Orlicz function in this article.
Debbarma Diksha, Tripathy Binod Chandra
doaj   +1 more source

Higher Order Multi-Series Arising from Generalized Alpha-Difference Equation

open access: yes, 2015
In this paper, the authors extend the theory and m−series of the generalized difference equation to m(α)−series of its α−difference equation. We also investigate the complete and summation solutions of α-difference equation.
S India   +5 more
core  

Dependency Relations Among the Shifts of a Multivariate Refinable Distribution

open access: yes, 1998
. Refinable functions are an intrinsic part of subdivision schemes and wavelet constructions. The relevant properties of such functions must usually be determined from their refinement masks.
Rong-qing Jia   +3 more
core  

On the determinacy of complex Jacobi matrices

open access: yes, 2002
The aim of this paper is to explore to which extend the theory of the Hamburger moment problem for real Jacobi matrices generalizes to the case of complex Jacobi matrices.
B. Beckermann, M. Castro
core  

Discrete spectral synthesis [PDF]

open access: yes
Discrete spectral analysis and synthesis study the description of transla- tion invariant function spaces over discrete Abelian groups. The basic building bricks are the exponential monomials. A remarkable result of R. J.
Székelyhidi, László
core  

A study of ∇-discrete fractional calculus operator on the radial Schrodinger equation for some physical potentials

open access: yes, 2017
The fractional calculus includes concepts of integrals and derivatives of any complex or real order. The fractional calculus is as old as the usual calculus.
Ozturk, Okkes
core  

Eigenvalues of discrete Sturm-Liouville problems with nonlinear eigenparameter dependent boundary conditions

open access: yes, 2018
We consider the discrete right denite Sturm-Liouville problems with nonlinear eigenparameter dependent boundary conditions-∇(p(t)Δy(t)) + q(t)y(t) = λr(t)y(t), t ∈ {1, 2, ...
Zhang, Fei, Gao, Chenghua, Li, Xiaolong
core  

A lower estimate for the Lebesgue constants of linear means of Laguerre expansions

open access: yes, 2007
. S. G. Kal'nei derived in [5], [6] a quite sharp necessary condition for the multiplier norm of a finite sequence in the setting of Fourier-Jacobi series on L 1 with "natural weight" (which ensures a nice convolution structure). In this
Walter Trebels, George Gasper
core  

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