Results 11 to 20 of about 954,644 (280)

Hausdorff measure of noncompactness of matrix operators on some new difference sequence spaces

Journal of Inequalities and Applications, 2016
The new sequence spaces X ( r , s , t ; Δ ) $X(r,s,t;\Delta)$ for X ∈ { l ∞ , c , c 0 } $X\in\{l_{\infty}, c, c_{0}\}$ have been defined by using generalized means and difference operator.
Elahe Abyar, Mohammad Bagher Ghaemi
doaj   +1 more source

Spectral Analysis of Certain Schr\"odinger Operators [PDF]

, 2012
The $J$-matrix method is extended to difference and $q$-difference operators and is applied to several explicit differential, difference, $q$-difference and second order Askey-Wilson type operators. The spectrum and the spectral measures are discussed in
Ismail, Mourad E. H., Koelink, Erik
core   +8 more sources

Finite difference schemes with monotone operators

Advances in Difference Equations, 2004
Several existence theorems are given for some second-order difference equations associated with maximal monotone operators in Hilbert spaces. Boundary conditions of monotone type are attached.
Apreutesei NC
doaj   +2 more sources

Composition of Cesàro and backward difference operators

Journal of Inequalities and Applications, 2021
In this research, we combine the Cesàro and backward difference operators of different orders which results in introducing a matrix who has two different behaviors and includes several matrices. We also investigate the Köthe duals and inclusion relations
Hadi Roopaei, Bipan Hazarika
doaj   +1 more source

Linear isomorphic spaces of fractional-order difference operators

Alexandria Engineering Journal, 2021
In the present paper, we intend to make an approach to introduce and study the applications of fractional-order difference operators by generating Orlicz almost null and almost convergent sequence spaces.
S.A. Mohiuddine, Kuldip Raj, M. Mursaleen, Abdullah Alotaibi   +3 more
doaj   +1 more source

Difference L operators related to q-characters [PDF]

, 2001
We introduce a factorized difference operator L(u) annihilated by the Frenkel-Reshetikhin screening operator for the quantum affine algebra U_q(C^{(1)}_n).
A Kuniba, Baxter R J, Bazhanov V V, Chari V, Chari V, Chari V, Dorey P, Frenkel E, Frenkel E, J Suzuki, Kashiwara M, Kirillov A N, Kuniba A, Kuniba A, Kuniba A, Kuniba A, M Okado, Macdonald I G, Macdonald I G, Nakagawa J, Reshetikhin N Yu, Suzuki J, Suzuki J, Tsuboi Z, Y Yamada   +24 more
core   +1 more source

Quantum mechanics with difference operators [PDF]

Reports on Mathematical Physics, 2002
19 pages, LaTeX, using packages: pictex, amssymb; v.2: small corrections, to appear in Rep.
Dobrev, V. K., Doebner, H.-D., Twarock, R.   +2 more
openaire   +2 more sources

On Hilfer Generalized Proportional Nabla Fractional Difference Operators

Mathematics, 2022
In this paper, the Hilfer type generalized proportional nabla fractional differences are defined. A few important properties in the left case are derived and the properties in the right case are proved by Q-operator. The discrete Laplace transform in the
Qiushuang Wang, Run Xu
doaj   +1 more source

Cosymmetries and Nijenhuis recursion operators for difference equations [PDF]

, 2010
In this paper we discuss the concept of cosymmetries and co--recursion operators for difference equations and present a co--recursion operator for the Viallet equation.
Ablowitz M J, Alexander V Mikhailov, Dorfman I, Hereman W, Jing Ping Wang, Kupershmidt B A, Levi D, Levi D, Mansfield E L, Mikhailov A V, Mikhailov A V, Olver P J, Pavlos Xenitidis, Sergyeyev A, Sokolov V V, Tongas A, Wang J P, Xenitidis P, Yamilov R I, Yamilov R I, Zhang G L Gao X S Kapur D, Žiber A V   +21 more
core   +2 more sources

The homogeneous q-difference operator

Advances in Applied Mathematics, 2003
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Chen, William Y.C., Fu, Amy M., Zhang, Baoyin   +2 more
openaire   +4 more sources