## Found 796 Documents (Results 1–100)

100
MathJax

Full Text:

### Univariate simultaneous high order abstract fractional monotone approximation with applications. (English)Zbl 1482.26004

MSC:  26A33 41A28 41A29
Full Text:

Full Text:

### Approximation of functions of several variables by continuous linear splines on rectilinear grids. (English)Zbl 07457032

MSC:  41A15 41A28 41A63
Full Text:

### Expansion theory for the two-sided best simultaneous approximations. (English)Zbl 07452333

MSC:  41A28 41A65 54C60
Full Text:

Full Text:

### Error bounds for the method of simultaneous projections with infinitely many subspaces. (English)Zbl 07436514

MSC:  41A28 41A65
Full Text:

### Iterative combinations for Srivastava-Gupta operators. (English)Zbl 07425615

MSC:  41A25 41A28
Full Text:

Full Text:

Full Text:

Full Text:

### On a lower bound for the rate of convergence of multipoint Padé approximants of piecewise analytic functions. (English. Russian original)Zbl 1469.30079

Izv. Math. 85, No. 3, 351-366 (2021); translation from Izv. Ross. Akad. Nauk, Ser. Mat. 85, No. 3, 13-29 (2021).
Full Text:

Full Text:

Full Text:

Full Text:

Full Text:

Full Text:

### Better rate of convergence by modified integral type operators. (English)Zbl 1475.41011

Shahid, Mohammad Hasan (ed.) et al., Differential geometry, algebra, and analysis. Selected papers based on the presentations at the international conference, ICDGAA 2016, New Delhi, India, November 15–17, 2016. Singapore: Springer. Springer Proc. Math. Stat. 327, 245-259 (2020).
Full Text:

### Converse estimates for the simultaneous approximation by Bernstein polynomials with integer coeffcients. (English)Zbl 1460.41009

Draganov, Borislav (ed.) et al., Constructive theory of functions. Proceedings of the 13th international conference, Sozopol, Bulgaria, June 2–8, 2019. Dedicated to the memory of Blagovest Sendov. Sofia: Prof. Marin Drinov Academic Publishing House. 39-51 (2020).
Full Text:

### Linking Baskakov type operators. (English)Zbl 1460.41003

Draganov, Borislav (ed.) et al., Constructive theory of functions. Proceedings of the 13th international conference, Sozopol, Bulgaria, June 2–8, 2019. Dedicated to the memory of Blagovest Sendov. Sofia: Prof. Marin Drinov Academic Publishing House. 23-38 (2020).
MSC:  41A10 41A28 41A36
Full Text:

### Discrete operators associated with linking operators. (English)Zbl 1459.41011

MSC:  41A36 41A28 41A35
Full Text:

Full Text:

### Weighted simultaneous approximation of the linear combinations of Baskakov operators. (English)Zbl 1435.41027

MSC:  41A36 41A25 41A28
Full Text:

### Approximation with certain exponential operators. (English)Zbl 1434.41015

MSC:  41A36 41A28
Full Text:

### Laguerre-Angelesco multiple orthogonal polynomials on an $$r$$-star. (English)Zbl 1437.33008

MSC:  33C45 42C05 41A28
Full Text:

### Blending type approximation by complex Szász-Durrmeyer-Chlodowsky operators in compact disks. (English)Zbl 07289583

MSC:  30E10 41A25 41A28
Full Text:

### A general Korovkin result under generalized convergence. (English)Zbl 1463.41051

MSC:  41A36 40D05 41A28
Full Text:

### Chebyshev centres, Jung constants, and their applications. (English. Russian original)Zbl 1435.41028

Russ. Math. Surv. 74, No. 5, 775-849 (2019); translation from Usp. Mat. Nauk 74, No. 5, 3-82 (2019).
Full Text:

Full Text:

Full Text:

Full Text:

### Remainder Padé approximants for hypergeometric series. (English)Zbl 1423.41018

MSC:  41A21 41A28
Full Text:

### Direct and inverse results for multipoint Hermite-Padé approximants. (English)Zbl 1426.30024

MSC:  30E10 41A21 41A28
Full Text:

Full Text:

### Approximation by Jakimovski-Leviatan operators of Durrmeyer type involving multiple Appell polynomials. (English)Zbl 1416.41023

MSC:  41A36 41A10 41A28
Full Text:

Full Text:

### A Voronovskaya-type result for simultaneous approximation by Bernstein-Chlodovsky polynomials. (English)Zbl 1453.41005

MSC:  41A28 41A25
Full Text:

### Blending-type approximation by generalized Lupaş-type operators. (English)Zbl 1416.26005

MSC:  26A15 41A25 41A28
Full Text:

Full Text:

### Simultaneous approximations in Banach space-valued Bochner-Lebesgue spaces with variable exponent. (English)Zbl 1453.41009

MSC:  41A65 41A28 46G10
Full Text:

### Remainder Padé approximants for the Hurwitz zeta function. (English)Zbl 1408.41008

MSC:  41A21 11J72 41A28
Full Text:

Full Text:

### Approximation by Chlodowsky variant of Szász operators involving Sheffer polynomials. (English)Zbl 1406.41006

MSC:  41A36 41A25 41A28
Full Text:

Full Text:

### A Nice representation for a link between Baskakov- and Szász-Mirakjan-Durrmeyer operators and their Kantorovich variants. (English)Zbl 1404.41007

MSC:  41A36 41A10 41A28
Full Text:

Full Text:

### An exact strong converse inequality for the weighted simultaneous approximation by the Bernstein operator. (English)Zbl 1445.41011

Ivanov, Kamen (ed.) et al., Constructive theory of functions. Proceedings of the 12th international conference, Sozopol, Bulgaria, June 11–17, 2016. Sofia: Prof. Marin Drinov Academic Publishing House. 75-97 (2018).
Full Text:

### Strong converse inequality of simultaneous approximation for left Bernstein-Durrmeyer quasi-interpolation in Orlicz spaces. (Chinese. English summary)Zbl 1424.41022

MSC:  41A28 41A35 41A65
Full Text:

### Approximation for certain Stancu type summation integral operator. (English)Zbl 1424.41034

MSC:  41A35 41A28
Full Text:

Full Text:

### Dunkl analogue of Szász-Mirakjan operators of blending type. (English)Zbl 1409.41012

MSC:  41A36 41A25 41A28
Full Text:

### Approximation by entire functions in the construction of order-isomorphisms and large cross-sections. (English)Zbl 1417.30030

Mashreghi, Javad (ed.) et al., New trends in approximation theory. In memory of André Boivin. Proceedings of the conference, Toronto, Canada, July 25–29, 2016. Toronto: The Fields Institute for Research in the Mathematical Sciences; New York, NY: Springer. Fields Inst. Commun. 81, 37-69 (2018).
Full Text:

### Intersection properties, hyperconvexity and Jung constants. (English)Zbl 07015072

MSC:  47A20 41A28
Full Text:

### Simultaneous approximation in Lebesgue space with variable exponent. (English)Zbl 1400.41006

MSC:  41A10 41A28 42A10

Full Text:

### Modified Bernstein-Kantorovich operators for functions of one and two variables. (English)Zbl 1396.26004

MSC:  26A15 41A25 41A28
Full Text:

Full Text:

### GBS operators of bivariate Bernstein-Durrmeyer-type on a triangle. (English)Zbl 1391.41009

MSC:  41A25 26A15 41A28
Full Text:

Full Text:

Full Text:

### Generalized Baskakov Kantorovich operators. (English)Zbl 07460002

MSC:  41A25 41A28
Full Text:

### Approximation of Baskakov type Pólya-Durrmeyer operators. (English)Zbl 1411.41014

MSC:  41A25 26A15 41A28
Full Text:

### New results on simultaneous approximation preserving maps. (English)Zbl 1408.41011

MSC:  41A28 41A65 46B42
Full Text:

### Positive result of weighted simultaneous approximation by the linear combinations of Baskakov operators. (Chinese. English summary)Zbl 1399.41031

MSC:  41A28 41A36

### Best simultaneous approximations in Bochner-Lebesgue spaces. (English)Zbl 1399.41032

MSC:  41A28 41A50 41A65
Full Text:

### Simultaneous proximinality in $$L_p(S,\Sigma, X)$$. (English)Zbl 1382.41014

MSC:  41A28 41A65
Full Text:

Full Text:

### Best simultaneous local approximation in the $$L^p$$ norms. (English)Zbl 1371.41022

MSC:  41A28 41A10
Full Text:

### Approximation with positive linear operators and linear combinations. (English)Zbl 1371.41035

Developments in Mathematics 50. Cham: Springer (ISBN 978-3-319-58794-3/hbk; 978-3-319-58795-0/ebook). xiii, 186 p. (2017).
Full Text:

Full Text:

Full Text:

Full Text:

Full Text:

### A modified pointwise estimate on simultaneous approximation by Bernstein polynomials. (English)Zbl 1370.41016

Rassias, Themistocles M. (ed.) et al., Mathematical analysis, approximation theory and their applications. Cham: Springer (ISBN 978-3-319-31279-8/hbk; 978-3-319-31281-1/ebook). Springer Optimization and Its Applications 111, 631-637 (2016).
MSC:  41A10 41A28
Full Text:

### Simultaneous weighted approximation with multivariate Baskakov-Schurer operators. (English)Zbl 1370.41029

Rassias, Themistocles M. (ed.) et al., Mathematical analysis, approximation theory and their applications. Cham: Springer (ISBN 978-3-319-31279-8/hbk; 978-3-319-31281-1/ebook). Springer Optimization and Its Applications 111, 483-500 (2016).
MSC:  41A28 41A36
Full Text:

### Approximation for generalization of Baskakov-Durrmeyer operators. (English)Zbl 1370.41043

Rassias, Themistocles M. (ed.) et al., Mathematical analysis, approximation theory and their applications. Cham: Springer (ISBN 978-3-319-31279-8/hbk; 978-3-319-31281-1/ebook). Springer Optimization and Its Applications 111, 317-338 (2016).
MSC:  41A36 41A28
Full Text:

### Bivariate extension of linear positive operators. (English)Zbl 1370.41037

Rassias, Themistocles M. (ed.) et al., Mathematical analysis, approximation theory and their applications. Cham: Springer (ISBN 978-3-319-31279-8/hbk; 978-3-319-31281-1/ebook). Springer Optimization and Its Applications 111, 15-62 (2016).
MSC:  41A36 41A25 41A28
Full Text:

### Best simultaneous approximation in quotient spaces. (English)Zbl 1366.41015

Cushing, Jim M. (ed.) et al., Applied analysis in biological and physical sciences. ICMBAA, Aligarh, India, June 4–6, 2015. New Delhi: Springer (ISBN 978-81-322-3638-2/hbk; 978-81-322-3640-5/ebook). Springer Proceedings in Mathematics & Statistics 186, 339-349 (2016).
MSC:  41A28 41A52 41A65
Full Text:

### Strong converse inequality of Jacobi weighted simultaneous approximation for gamma operators in Orlicz spaces $$L_\Phi^*(0,\infty)$$. (Chinese. English summary)Zbl 1374.41020

MSC:  41A17 41A28 41A35

### Some results on $$f$$-simultaneous Chebyshev approximation. (English)Zbl 1355.41010

MSC:  41A28 41A50 26D15
Full Text:

### On row sequences of Padé and Hermite-Padé approximation. (English)Zbl 1350.30057

Hardin, Douglas P. (ed.) et al., Modern trends in constructive function theory. Constructive functions 2014 conference in honor of Ed Saff’s 70th birthday, Vanderbilt University, Nashville, TN, USA, May 26–30, 2014. Proceedings. Providence, RI: American Mathematical Society (AMS) (ISBN 978-1-4704-2534-0/pbk; 978-1-4704-2934-8/ebook). Contemporary Mathematics 661, 141-151 (2016).
Full Text:

### Nonlinear Chebyshev approximation to set-valued functions. (English)Zbl 1347.41035

MSC:  41A50 41A28
Full Text:

Full Text:

Full Text:

### Some results on $$f$$-simultaneous Chebyshev approximation. (English)Zbl 1342.41024

MSC:  41A28 41A50 41A65
Full Text:

Full Text:

Full Text:

### Simultaneous approximation by Szász-Mirakjan-Durrmeyer-type operators. (English)Zbl 1331.41020

MSC:  41A28 41A36 41A10
Full Text:

Full Text:

### Simultaneous approximation with generalized Durrmeyer operators. (English)Zbl 1410.41043

MSC:  41A36 41A28 41A35
Full Text:

Full Text:

### Approximation by complex modified Szász-Mirakjan-Stancu operators in compact disks. (English)Zbl 06749067

MSC:  30E10 41A25 41A28
Full Text:

### Approximation by complex Baskakov-Szász-Durrmeyer operators in compact disks. (English)Zbl 1349.30124

MSC:  30E10 41A35 41A28
Full Text:

all top 5

all top 5

all top 5

all top 3

all top 3