## Found 8,560 Documents (Results 1–100)

100
MathJax

### $$q$$-rational reduction and $$q$$-analogues of series for $$\pi$$. (English)Zbl 07621045

MSC:  33Cxx 33Fxx 05Axx
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### Sequence space theory with applications. (English)Zbl 1495.40002

Boca Raton, FL: CRC Press (ISBN 978-1-032-01325-1/hbk; 978-1-003-17820-0/ebook). xiv, 292 p. (2023).
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### Vilenkin-Lebesgue points and almost everywhere convergence for some classical summability methods. (English)Zbl 07609395

MSC:  42C10 42A24
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### On $$f$$-statistical convergence of fractional difference on double sequences. (English)Zbl 07603513

MSC:  40A05 40C05 46A45
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### On asymptotically invariant $$\lambda$$-statistical $$\tilde{\phi}$$-equivalent triple sequences. (English)Zbl 07603463

MSC:  40A05 40C05 40D25
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### A study on statistical convergence of triple sequences in intuitionistic fuzzy normed space. (English)Zbl 07602411

MSC:  40G15 46S40 40A05
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### Approximation theory, sequence spaces and applications (to appear). (English)Zbl 07595721

Industrial and Applied Mathematics. Cham: Springer (ISBN 978-981-19-6115-1/hbk). (2022).
MSC:  41-06 40-06 46-06

### Riesz lacunary sequence spaces of fractional difference operator. (English)Zbl 07595403

MSC:  46A45 46A35 40A05
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### Approximation of Fourier series of functions in Besov space by Borel means. (English)Zbl 07588040

MSC:  41A25 42A24
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### On certain generalized summability methods of order convergence in $$(l)$$-groups. (English)Zbl 07586604

MSC:  40A05 40A35 40J05
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### Approximation of Fourier-Laguerre expansion based on a new product deferred summability means. (English)Zbl 07582599

MSC:  41A25 42B05 42B08
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### On the convergence of the Abel-Poisson means of multiple Fourier series. (English)Zbl 07582159

MSC:  42A24 42A20 40G99
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### $$P$$-strong convergence with respect to an Orlicz function. (English)Zbl 07582016

MSC:  40C15 40F05 40A35
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### Optimal two-sided estimates on the interval $$[\pi/2,\pi]$$ of the sum of the sine series with convex coefficient sequence. (English. Russian original)Zbl 07581899

Math. Notes 112, No. 2, 328-331 (2022); translation from Mat. Zametki 112, No. 2, 317-320 (2022).
MSC:  42A24
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### Some results on Cesàro summability in intuitionistic fuzzy $$n$$-normed linear spaces. (English)Zbl 07579590

MSC:  40A05 40J05 26E50
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### Extension of Nörlund and Riesz means: new estimates. (English)Zbl 07574659

MSC:  42A24 41A25 42A10
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### On absolute weighted arithmetic mean summability of infinite series and Fourier series. (English)Zbl 07574449

MSC:  40F05 40D15 42A24
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### On a Feller-Jajte strong law of large numbers. (English)Zbl 07571124

MSC:  60F15 60G42 40A05
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### Polynomials in the differentiation operator and formulas for the sums of certain convergent series. (English. Russian original)Zbl 07566740

Funct. Anal. Appl. 56, No. 1, 61-71 (2022); translation from Funkts. Anal. Prilozh. 56, No. 1, 81-93 (2022).
MSC:  26-XX 33-XX 40-XX
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### Linear combinations of Rogosinski operators. (English)Zbl 1493.42002

MSC:  42A10 42A24 41A25
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### Almost everywhere summability of two-dimensional Walsh-Fourier series. (English)Zbl 07556882

MSC:  42C10 42A24 40G05
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### On a method for uniform summation of the Fourier-Jacobi series. (English)Zbl 07554616

MSC:  40C05 41A36 42C10
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### Summability theory and its applications. 2nd edition. (English)Zbl 1495.40001

Boca Raton, FL: CRC Press (ISBN 978-1-032-27536-9/hbk; 978-1-03-225949-9/pbk; 978-1-003-29415-3/ebook). xxvii, 492 p. (2022).
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### Approximation of integrable functions by general linear matrix operators of their Fourier series. (English)Zbl 1491.42002

MSC:  42A24 42A10
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### Cesàro summable relative uniform difference sequence of positive linear functions. (English)Zbl 07539803

MSC:  40A30 40C05
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### On statistical convergence with respect to power series methods. (English)Zbl 07538099

MSC:  40C15 40A35
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### Application of almost increasing sequence for absolute Riesz $$|\overline{N}, P^{\alpha,\beta}_n; \delta; \gamma|_k$$ summable factor. (English)Zbl 07537309

MSC:  40F05 40D15 40G05
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### Statistical weighted $$(N_\lambda,p,q)(E_\lambda,1)$$ $$A$$-summability with application to Korovkin’s type approximation theorem. (English)Zbl 07537156

MSC:  41A10 41A36 40A30
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### A new factor theorem on absolute matrix summability method. (English)Zbl 07537040

MSC:  40C05 40D15 40F05
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### Global Borel summability of some partial differential equations. (English)Zbl 07533052

Filipuk, Galina (ed.) et al., Formal and analytic solutions of differential equations. Selected contributions based on the presentations at the conference, virtual, June 29 – July 3, 2020. Singapore: World Scientific. 223-233 (2022).
MSC:  35C10
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### Some further properties of discrete Muckenhoupt and Gehring weights. (English)Zbl 07531395

MSC:  26D15 39A12 40D25
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### A new version of uniform integrability via power series summability methods. (English)Zbl 1489.60040

Theory Probab. Appl. 67, No. 1, 89-104 (2022) and Teor. Veroyatn. Primen. 67, No. 1, 115-133 (2022).
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### Rogosinsky-Bernstein polynomial method of summation of trigonometric Fourier series. (English. Russian original)Zbl 1487.42007

Math. Notes 111, No. 4, 604-615 (2022); translation from Mat. Zametki 111, No. 4, 592-605 (2022).
MSC:  42A24 42A38 42A10
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### An exact constant on the estimation of the approximation of classes of periodic functions of two variables by Ceśaro means. (English)Zbl 1491.42007

MSC:  42B08 42B05 40G05
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### Double sequence spaces and four-dimensional matrices. (English)Zbl 07516550

Monographs and Research Notes in Mathematics. Boca Raton, FL: CRC Press (ISBN 978-1-032-25024-3/hbk; 978-1-032-25949-9/pbk; 978-1-003-28578-6/ebook). xviii, 233 p. (2022).
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### Bochner-Riesz means for the Hermite and special Hermite expansions. (English)Zbl 1486.42044

MSC:  42C10 42B08 42B15
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### $$M_{\lambda_{m,n,p}}$$-statistical convergence for triple sequences. (English)Zbl 07506426

MSC:  40A35 40B05
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### Summation of certain trigonometric series with logarithmic coefficients. (English)Zbl 1486.42002

MSC:  42A20 42A24 42A32
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### Cyclotomic exponent sequences of numerical semigroups. (English)Zbl 07506201

MSC:  20-XX 40-XX
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### Some properties of Kantorovich variant of Chlodowsky-Szász operators induced by Boas-Buck type polynomials. (English)Zbl 1496.41009

MSC:  41A36 40C15 40G10
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### Fourier analysis. With a new foreword by Terence Tao. Reprint of the 1989 paperback edition. (English)Zbl 07503892

Cambridge Mathematical Library. Cambridge: Cambridge University Press (ISBN 978-1-00-923005-6/pbk; 978-1-00-923006-3/ebook). xiv, 592 p. (2022).
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### Unconditional bases in radial Hilbert spaces. (English. Russian original)Zbl 1496.46009

Izv. Math. 86, No. 1, 150-168 (2022); translation from Izv. Ross. Akad. Nauk, Ser. Mat. 86, No. 1, 160-179 (2022).
MSC:  46B15 46E22 30D10
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### Approximation by some subsequences of matrix means. (English)Zbl 1484.42007

MSC:  42A24 41A25 42A10
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### A Korovkin type approximation theorem for Balázs type Bleimann, Butzer and Hahn operators via power series statistical convergence. (English)Zbl 1495.41014

MSC:  41A36 40C15
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### Pointwise $$(H,\Phi)$$ strong approximation by Fourier series of $$L^\Psi$$ integrable functions. (English)Zbl 1482.42007

MSC:  42A24 42A10
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### Summability of the formal power series solutions of a certain class of inhomogeneous nonlinear partial differential equations with a single level. (English)Zbl 1487.35183

MSC:  35C10 35C20 40B05
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### Stokes matrices of a reducible double confluent Heun equation via monodromy matrices of a reducible general Heun equation with symmetric finite singularities. (English)Zbl 1491.34098

J. Dyn. Control Syst. 28, No. 1, 207-245 (2022); correction ibid. 28, No. 1, 247-248 (2022).
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### An introduction to infinite products. (English)Zbl 1491.40001

Springer Undergraduate Mathematics Series. SUMS Readings. Cham: Springer (ISBN 978-3-030-90645-0/pbk; 978-3-030-90646-7/ebook). x, 251 p. (2022).
MSC:  40-01 33-01
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### Riesz bases of normalized reproducing kernels in Fock type spaces. (English)Zbl 1485.46029

MSC:  46E22 30D10 46B15
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### Gibbs phenomena for some classical orthogonal polynomials. (English)Zbl 1479.42010

MSC:  42A24 42C05 33C45
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### Approximation of signals via different summability means with effects of Gibbs phenomenon. (English)Zbl 1486.40001

Singh, Jagdev (ed.) et al., Methods of mathematical modelling and computation for complex systems. Cham: Springer. Stud. Syst. Decis. Control 373, 413-433 (2022).
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### Theory of infinite sequences and series. (English)Zbl 07384445

Cham: Birkhäuser (ISBN 978-3-030-79430-9/pbk; 978-3-030-79431-6/ebook). xiv, 377 p. (2022).
MSC:  40-01 40Axx
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### Wijsman asymptotic lacunary $$\mathcal{I}_2$$-invariant equivalence for double set sequences. (English)Zbl 07621662

MSC:  40D25 40A05 40A35
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### A remark on the Crux problem 1052*. (English)Zbl 07616056

MSC:  40A25 40C15
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### Degree of approximation of signals by Nörlund summability of derived Fourier series. (English)Zbl 07599523

MSC:  40G05 40D05 42A24
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