Found 817 Documents (Results 1–100)
Spectra and dynamics of generalized Cesàro operators in (LF) and (PLB) sequence spaces. (English) Zbl 07873839
Reviewer: Krzysztof Piszczek (Poznań)
The Cesàro operator. (English) Zbl 07861165
Condori, Alberto A. (ed.) et al., Recent progress in function theory and operator theory. AMS special session, virtual, April 6, 2022. Providence, RI: American Mathematical Society (AMS). Contemp. Math. 799, 185-215 (2024).
On Rhaly operators on \(l^2\). (English) Zbl 07861164
Condori, Alberto A. (ed.) et al., Recent progress in function theory and operator theory. AMS special session, virtual, April 6, 2022. Providence, RI: American Mathematical Society (AMS). Contemp. Math. 799, 161-183 (2024).
The degree of ill-posedness for some composition governed by the Cesaro operator. arXiv:2401.11411
Preprint, arXiv:2401.11411 [math.NA] (2024).
Norm inequalities involving upper bounds for certain matrix operators on Orlicz-Euler and Orlicz-Taylor double sequence spaces. (English) Zbl 1534.26003
Characterization of matrices of operators on the \(L_{\phi}\)-valued Cesàro sequence spaces. (English) Zbl 07803854
A kind of integral operator on normal weight Dirichlet type space in the unit ball. (Chinese. English summary) Zbl 07802325
Uniform convergence of Fourier series via deferred Cesàro mean and its applications. (English) Zbl 1529.42005
Spectral properties of generalized Cesàro operators in sequence spaces. (English) Zbl 07733896
Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 117, No. 4, Paper No. 140, 33 p. (2023).
Cesàro-type operators associated with Borel measures on the unit disc acting on some Hilbert spaces of analytic functions. (English) Zbl 07707893
Reviewer: Oscar Blasco (València)
The norm of the Cesàro operator minus the identity and related operators acting on decreasing sequences. (English) Zbl 1533.47031
Duals of Cesàro sequence vector lattices, Cesàro sums of Banach lattices, and their finite elements. (English) Zbl 1530.46006
Reviewer: Angela Albanese (Lecce)
Equiconvergence for perturbed Jacobi polynomial expansions. (English) Zbl 1519.42036
Reviewer: Xiaosheng Zhuang (Hong Kong)
Chlodowsky type \((\lambda, q)\)-Bernstein Stancu operators of Pascal rough triple sequences. (English) Zbl 1524.40013
The square roots of some classical operators. (English) Zbl 1518.47053
Reviewer: Jaydeb Sarkar (Bangalore)
Cesàro vector lattices and their ideals of finite elements. (English) Zbl 1512.46005
Reviewer: S. S. Kutateladze (Novosibirsk)
Bounds for the operator norm on weighted Cesàro fractional difference sequence spaces. (English) Zbl 1529.47058
Quantitative weak mixing for interval exchange transformations. (English) Zbl 1514.37012
Reviewer: Steve Pederson (Atlanta)
Toeplitz and Cesàro-type operators on homogeneous Siegel domains. (English) Zbl 1512.32002
Reviewer: Kehe Zhu (Albany)
Hardy-Littlewood-type theorems for Fourier transforms in \(\mathbb{R}^d\). (English) Zbl 1510.42015
Reviewer: E. K. Narayanan (Bangalore)
Convolution in dual Cesàro sequence spaces. (English) Zbl 1517.46017
Reviewer: Enrique Alfonso Sánchez-Pérez (València)
Commutants of the infinite Hilbert operators. (English) Zbl 07909237
Mohiuddine, S. A. (ed.) et al., Approximation theory, sequence spaces and applications. Cham: Springer. Ind. Appl. Math., 203-219 (2022).
Composition operators on second-order Cesàro function spaces. (English) Zbl 07909228
Mohiuddine, S. A. (ed.) et al., Approximation theory, sequence spaces and applications. Cham: Springer. Ind. Appl. Math., 21-33 (2022).
MSC:
47-XX
Regular summability methods in the approximation by max-min operators. (English) Zbl 1522.41009
MSC:
41A35
An accelerated visco-Cesàro means Tseng type splitting method for fixed point and monotone inclusion problems. (English) Zbl 1525.47095
Superconvex-cyclicity of operators. (English) Zbl 1523.47019
Reviewer: Angela Albanese (Lecce)
A certain class of statistical convergence of martingale sequences and its applications to Korovkin-type approximation theorems. (English) Zbl 1524.40016
A note on matrix domains of Copson matrix of order \(\alpha\) and compact operators. (English) Zbl 1504.26061
Carleson measures and the range of a Cesàro-like operator acting on \(H^\infty\). (English) Zbl 07610418
Cesàro sequence spaces via \((p, q)\)-calculus and compact matrix operators. (English) Zbl 1509.46003
Bergman projections, Berezin transforms and Cauchy transform on exponential Orlicz spaces and Lorentz-Zygmund spaces. (English) Zbl 1511.47046
Reviewer: Oscar Blasco (València)
Statistically Riemann integrable and summable sequence of functions via deferred Cesàro mean. (English) Zbl 1506.40009
Reviewer: Shyamal Debnath (Suryamaninagar)
Weighted Triebel-Lizorkin and Herz spaces estimates for p-adic Hausdorff type operator and its applications. (English) Zbl 1513.42096
Reviewer: Joseph Lakey (Las Cruces)
Dixmier traces, Cesàro means and logarithms. (English) Zbl 07574445
Reviewer: Duván Cardona (Ghent)
On a method for uniform summation of the Fourier-Jacobi series. (English) Zbl 1504.40013
Reviewer: Bogdan Szal (Zielona Góra)
Almost everywhere convergence of Cesàro-Marcinkiewicz means of two-dimensional Fourier series on the group of \(2\)-adic integers. (Almost everywhere convergence of Cesàro-Marczinkiewicz means of two-dimensional Fourier series on the group of \(2\)-adic integers.) (English) Zbl 1498.43004
Reviewer: Elijah Liflyand (Ramat-Gan)
On deferred statistical \(A\)-convergence of fuzzy sequence and applications. (English) Zbl 1505.40014
An equality underlying Hardy’s inequality. (English) Zbl 1505.26040
Reviewer: Raghib Abu-Saris (Edmonton)
Deferred Cesàro statistical convergence of martingale sequence and Korovkin-type approximation theorems. (English) Zbl 1499.40050
On the Gamma spaces including the spaces of absolutely \(p\)-summable, null, convergent and bounded sequences. (English) Zbl 1498.46005
Equivalent norms on generalized Fock spaces and the extended Cesàro operators. (English) Zbl 1506.47067
Fixed point property of variable exponent Cesàro complex function space of formal power series under premodular. (English) Zbl 1498.46034
Fine spectra and compactness of generalized Cesàro operators in Banach lattices in \(\mathbb{C}^{\mathbb{N}_0}\). (English) Zbl 1495.47042
Reviewer: Ömer Gök (İstanbul)
An integral estimate and Cesàro type operators on normal weight Dirichlet spaces. (Chinese. English summary) Zbl 1513.32015
Deferred Nörlund statistical relative uniform convergence and Korovkin-type approximation theorem. (English) Zbl 1489.41013
A new approach to Korovkin-type approximation via deferred Cesàro statistical measurable convergence. (English) Zbl 1485.40009
Compact operators on sequence spaces associated with the Copson matrix of order \(\alpha \). (English) Zbl 1510.47049
Solutions of nonlinear difference equations in the domain of \((\zeta_n)\)-Cesàro matrix in \(\ell_{t(\cdot)}\) of nonabsolute type, and its pre-quasi ideal. (English) Zbl 1504.39001
Kannan nonexpansive maps on generalized Cesàro backward difference sequence space of non-absolute type with applications to summable equations. (English) Zbl 1504.46006
\((r_1,r_2)\)-Cesàro summable sequence space of non-absolute type and the involved pre-quasi ideal. (English) Zbl 07465022
Generalized Cesàro operators: geometry of spectra and quasi-nilpotency. (English) Zbl 07458155
Reviewer: Alexey N. Karapetyants (Rostov-na-Donu)
MSC:
47B01
On the factorable spaces of absolutely \(p\)-summable, null, convergent, and bounded sequences. (English) Zbl 1491.46007
Operators acting in sequence spaces generated by dual Banach spaces of discrete Cesàro spaces. (English) Zbl 1533.47030
Fréchet and (LB) sequence spaces induced by dual Banach spaces of discrete Cesàro spaces. (English) Zbl 1478.46007
Reviewer: Jochen Wengenroth (Trier)
Generalized Hausdorff operators on \(\dot{K}_{\alpha, q}^{\beta, p}(\mathbb{R})\) and \(H\dot{K}_{\alpha, q}^{\beta, p, N}(\mathbb{R})\) in the Dunkl settings. (English) Zbl 1489.47059
On the spaces of Cesàro absolutely \(p\)-summable, null, and convergent sequences. (English) Zbl 1480.46006
Math. Methods Appl. Sci. 44, No. 5, 3670-3685 (2021); corrigendum ibid. 46, No. 9, 10095-10102 (2023).
General summability methods in the approximation by Bernstein-Chlodovsky operators. (English) Zbl 1478.40003
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