## Found 6,415 Documents (Results 1–100)

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### On the dynamic solution of the Volterra integral equation in the form of rational spline functions. (English. Russian original)Zbl 07518147

Math. Notes 111, No. 4, 595-603 (2022); translation from Mat. Zametki 111, No. 4, 581-591 (2022).
MSC:  65Dxx 65Lxx 65Rxx
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### Cyclic matrices and polynomial interpolation over division rings. (English)Zbl 07516849

MSC:  12E15 30C10 41A05
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### Numerical solution of non-stationary problems with a rational approximation for fractional powers of the operator. (English)Zbl 07511623

Lirkov, Ivan (ed.) et al., Large-scale scientific computing. 13th international conference, LSSC 2021, Sozopol, Bulgaria, June 7–11, 2021. Revised selected papers. Cham: Springer. Lect. Notes Comput. Sci. 13127, 81-88 (2022).
MSC:  65Mxx 65Nxx
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### On $$L_{\mathbb{R}}^2$$-best rational approximants to Markov functions on several intervals. (English)Zbl 07509388

MSC:  41-XX 42-XX
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### On the approximation exponents for subspaces of $$\mathbb{R}^n$$. (English)Zbl 07503363

MSC:  11J13 11J25
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### Norm estimates for Chebyshev polynomials. II. (English)Zbl 07496963

MSC:  30C10 30E10 26C05
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### Approximating the Gaussian as a sum of exponentials and its applications to the fast Gauss transform. (English)Zbl 07493155

MSC:  30E10 41A20 65F30 65E05 65Y20
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### The Fourier type expansions on tubes. (English)Zbl 07484149

MSC:  32A30 32A35 41A20
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### Lee-Yang zeros and the complexity of the ferromagnetic Ising model on bounded-degree graphs. (English)Zbl 07472302

MSC:  68W25 05C31 37F10
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### Constructive description of Hardy-Sobolev spaces on strictly pseudoconvex domains. (English)Zbl 07471788

MSC:  32T15 32E30 41A10
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### Polynomially convex arcs in polynomially convex simple closed curves. (English)Zbl 07469085

MSC:  32E20 32A38 32E30
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### The Ru-Vojta result for subvarieties. (English)Zbl 1483.14043

MSC:  14G05 11J97 11J87
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### Adaptive interpolation with maximum order close to discontinuities. (English)Zbl 07465259

MSC:  41Axx 65Dxx 65Mxx
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### Bernstein-Markov property for compact sets in $$\mathbb{C}^d$$. (English)Zbl 1483.32001

MSC:  32A08 41A17 32E30
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### A transcendental Brauer-Manin obstruction to weak approximation on a Calabi-Yau threefold. (English)Zbl 07463882

Reviewer: Dino Festi (Milan)
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MSC:  65F60
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### Mixing operators with prescribed unimodular eigenvalues. (English)Zbl 07445057

MSC:  47A16 30E10 37A25
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### Number of zeros of a certain class of polynomials in a specific region. (English)Zbl 07530813

MSC:  30C15 30C10 30E10
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### Localization of singular points of meromorphic functions based on interpolation by rational functions. (English)Zbl 07525865

MSC:  65E05 41A20
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### Bernstein-Walsh type inequalities for derivatives of algebraic polynomials in quasidisks. (English)Zbl 07517533

MSC:  30C10 30E10 30C70
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### Point-wise estimates for the derivative of algebraic polynomials. (English)Zbl 07509986

MSC:  30E10 41A20
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### The polynomial Hermite-Padé $$m$$-system for meromorphic functions on a compact Riemann surface. (English. Russian original)Zbl 07498882

Sb. Math. 212, No. 12, 1694-1729 (2021); translation from Mat. Sb. 212, No. 12, 1694-1729 (2021).
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### Rational Pál type $$(0,1;0)$$-interpolation and quadrature formula with Chebyshev-Markov fractions. (English)Zbl 07487539

MSC:  33C45 33C47 41A20
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### Interpolational $$(L,M)$$-rational integral fraction on a continual set of nodes. (English)Zbl 1480.40003

MSC:  40A15 41A05 41A10
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### Convergence of two-point Padé approximants to piecewise holomorphic functions. (English. Russian original)Zbl 07480684

Sb. Math. 212, No. 11, 1626-1659 (2021); translation from Mat. Sb. 212, No. 11, 128-164 (2021).
MSC:  41A21 41A20
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### On Runge pairs and topology of axially symmetric domains. (English)Zbl 07471024

MSC:  30G35 30E10 32E30
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### Exact estimates of the best rational approximations of functions with derivative of generalized finite variation. (English. Russian original)Zbl 07457378

Russ. Math. 65, No. 10, 63-68 (2021); translation from Izv. Vyssh. Uchebn. Zaved., Mat. 2021, No. 10, 71-77 (2021).
MSC:  41Axx
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### Weighted Chebyshev polynomials on compact subsets of the complex plane. (English)Zbl 1483.30023

Gesztesy, Fritz (ed.) et al., From operator theory to orthogonal polynomials, combinatorics, and number theory. A volume in honor of Lance Littlejohn’s 70th birthday. Cham: Birkhäuser. Oper. Theory: Adv. Appl. 285, 357-370 (2021).
MSC:  30C10 30E10 41A50
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### A new mathematical formula to link near equilibrium relaxation kinetics and conformational selection steps in enzymatic reactions. (English)Zbl 1480.92094

MSC:  92C45 41A20 34C20
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### Inequalities for the first and second derivatives of algebraic polynomials on an ellipse. (English)Zbl 07452918

MSC:  41A17 30A10 30C10
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MSC:  41A21
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### The convex invertible cone structure of positive real odd rational matrix functions. (English)Zbl 07446835

MSC:  30E10 30J15 47A56
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### Interior eigensolver for sparse Hermitian definite matrices based on Zolotarev’s functions. (English)Zbl 07441019

MSC:  65Fxx 15-XX
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### On the arithmetic behavior of Liouville numbers under rational maps. (English)Zbl 07434778

MSC:  11J81 11J82 11K60
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### $$C^2$$ weighted piecewise rational interpolation. (English)Zbl 07424231

MSC:  65D05 65D10 68W25
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### Reciprocal-log approximation and planar PDE solvers. (English)Zbl 1482.65220

MSC:  65N35 41A30 65E05
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### A rational RBF interpolation with conditionally positive definite kernels. (English)Zbl 07420355

MSC:  65D12 41A20 41A05
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### The AAAtrig algorithm for rational approximation of periodic functions. (English)Zbl 07411924

MSC:  65D15 41A20
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### Jackson-Stechkin type inequalities and widths of classes of functions in the weighted Bergman space. (Russian. English summary)Zbl 1476.30021

MSC:  30C10 30E10
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### On the multiplicity of the zeros of polynomials with constrained coefficients. (English)Zbl 07404635

Rassias, Themistocles M. (ed.), Approximation theory and analytic inequalities. Cham: Springer. 165-177 (2021).
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### On rational approximation to $${|x|^\alpha}$$ ($$1 \le \alpha < 2$$) at the improved tangent nodes. (Chinese. English summary)Zbl 07404044

MSC:  41A20 41A05 41A25
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### Rational approximation to $${|x|^\alpha}$$ at the Chebyshev nodes. (Chinese. English summary)Zbl 07403914

MSC:  41A20 41A25
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### Convergence of Bieberbach polynomials: Keldysh’s theorems and Mergelyan’s conjecture. (English. Russian original)Zbl 1476.30137

Russ. Math. Surv. 76, No. 3, 379-387 (2021); translation from Usp. Mat. Nauk 76, No. 3, 3-12 (2021).
MSC:  30E10 30C10
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### The influence of jumps on the sinc interpolant, and ways to overcome it. (English)Zbl 1474.41002

Baumann, Gerd (ed.), New sinc methods of numerical analysis. Festschrift in honor of Frank Stenger’s 80th birthday. Based on the presentations at the symposium, Rhodes, Greece, September 13–18, 2018. Cham: Birkhäuser. Trends Math., 323-339 (2021).
MSC:  41A05 41A20 65D05
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### Algorithms for the rational approximation of matrix-valued functions. (English)Zbl 07395803

MSC:  65D15 41A20
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### Positivity-preserving interpolation using rational quartic spline functions. (English)Zbl 1469.65043

Karim, Samsul Ariffin Abdul (ed.), Theoretical, modelling and numerical simulations toward Industry 4.0. Singapore: Springer. Stud. Syst. Decis. Control 319, 87-98 (2021).
MSC:  65D07 41A15
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### Surface interpolation using partially blended rational bi-quartic spline. (English)Zbl 1469.65042

Karim, Samsul Ariffin Abdul (ed.), Theoretical, modelling and numerical simulations toward Industry 4.0. Singapore: Springer. Stud. Syst. Decis. Control 319, 53-70 (2021).
MSC:  65D07 41A15
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### Rainfall scattered data interpolation using rational quartic triangular patches. (English)Zbl 1469.86001

Karim, Samsul Ariffin Abdul (ed.), Theoretical, modelling and numerical simulations toward Industry 4.0. Singapore: Springer. Stud. Syst. Decis. Control 319, 1-19 (2021).
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### Iterative rational least squares fitting. (English)Zbl 1481.65036

MSC:  65D10 41A20
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### The hardest halfspace. (English)Zbl 07393893

MSC:  68Q15 68Q17
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### On the paths of steepest descent for the norm of a one variable complex polynomial. (English)Zbl 1479.30005

MSC:  30C15 30E10
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### Rational minimax iterations for computing the matrix $$p$$th root. (English)Zbl 07387070

MSC:  65F30 65F60 41A20 49K35
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### Monotonicity of entropy for real quadratic rational maps. (English)Zbl 07384590

Reviewer: Xu Zhang (Weihai)
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### An algorithm for best rational approximation based on barycentric rational interpolation. (English)Zbl 1473.65015

MSC:  65D15 41A20
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### Rational approximations of Lipschitz functions from the Hardy class on the line. (English)Zbl 1472.41007

MSC:  41A20 41A25
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### Approximation by $$p(\cdot)$$-Faber polynomials in the variable Smirnov classes. (English)Zbl 1469.30082

MSC:  30E10 41A10 30C10
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### Construction of feedforward neural networks with simple architectures and approximation abilities. (English)Zbl 07376637

MSC:  68T07 41A20 41A25
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