Approximation theory, Tampa : proceedings of a seminar held in Tampa, Florida, 1985-1986 / / edited by Edward B. Saff |
Edizione | [1st ed. 1987.] |
Pubbl/distr/stampa | Berlin ; ; Heidelberg : , : Springer-Verlag, , [1987] |
Descrizione fisica | 1 online resource (VIII, 232 p.) |
Disciplina | 511.4 |
Collana | Lecture Notes in Mathematics |
Soggetto topico | Approximation theory |
ISBN | 3-540-47991-0 |
Formato | Materiale a stampa ![]() |
Livello bibliografico | Monografia |
Lingua di pubblicazione | eng |
Nota di contenuto |
A fast algorithm to solve Kalman’s partial realisation problem for single input, multi-output systems -- Analogues of Freud’s conjecture for Erdös type weights and related polynomial approximation problems -- Some examples in approximation on the unit disk by reciprocals of polynomials -- Strong asymptotics for Lp extremal polynomials (1
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Record Nr. | UNISA-996466513803316 |
Berlin ; ; Heidelberg : , : Springer-Verlag, , [1987] | ||
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Lo trovi qui: Univ. di Salerno | ||
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Fundamentals of differential equations and boundary value problems / / Nagle, Saff, Snider |
Autore | Nagle R. Kent |
Edizione | [Sixth, Pearson new international edition.] |
Pubbl/distr/stampa | Harlow, England : , : Pearson, , [2014] |
Descrizione fisica | 1 online resource (ii, 868 pages) : illustrations |
Disciplina | 515.35 |
Soggetto topico | Differential equations |
ISBN | 1-292-03673-7 |
Formato | Materiale a stampa ![]() |
Livello bibliografico | Monografia |
Lingua di pubblicazione | eng |
Nota di contenuto | Linear First-Order Equations -- 1. Introduction -- 2. First-Order Differential Equations -- 3. Mathematical Models and Numerical Methods Involving First-Order Equations -- 4. Linear Second-Order Equations -- 5. Introduction to Systems and Phase Plane Analysis -- 6. Theory of Higher-Order Linear Differential Equations -- 7. Laplace Transforms -- 8. Series Solutions of Differential Equations -- 9. Matrix Methods for Linear Systems -- 10. Partial Differential Equations -- 11. Eigenvalue Problems and Sturm-Liouville Equations -- 12. Stability of Autonomous Systems -- 13. Existence and Uniqueness Theory. |
Record Nr. | UNINA-9910153122203321 |
Nagle R. Kent
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Harlow, England : , : Pearson, , [2014] | ||
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Lo trovi qui: Univ. Federico II | ||
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Methods of approximation theory in complex analysis and mathematical physics : Leningrad, May 13-24 1991 / / A. A. Gonchar, E. B. Saff, editors |
Edizione | [1st ed. 1993.] |
Pubbl/distr/stampa | Berlin ; ; Heidelberg : , : Springer-Verlag, , [1993] |
Descrizione fisica | 1 online resource (222 p.) |
Disciplina | 511.4 |
Collana | Lecture Notes in Mathematics |
Soggetto topico |
Approximation theory
Mathematical physics |
ISBN | 3-540-47792-6 |
Classificazione |
30-06
41-06 |
Formato | Materiale a stampa ![]() |
Livello bibliografico | Monografia |
Lingua di pubblicazione | eng |
Nota di contenuto | Bernstein theorems for harmonic functions -- Spectral theory of nonlinear equations and n-widths of Sobolev spaces -- On wavelet analysis -- Polynomials orthogonal on the unit circle with random recurrence coefficients -- Using the refinement equation for the construction of pre-wavelets IV: Cube splines and elliptic splines united -- Strong asymptotics for orthogonal polynomials -- Exact convergence rates for best L P rational approximation to the signum function and for optimal quadrature in H P -- Uniform rational approximation of |X| -- Classical biorthogonal rational functions -- A direct proof for Trefethen’s conjecture -- Approximation properties of harmonic vector fields and differential forms -- A problem of Axler and Shields on nontangential limits and maximal ideal space of some pseudonanalytic algebras -- Degree of approximation of analytic functions by “near the best” polynomial approximants -- Extremal problems for Blaschke products and widths -- On the convergence of Bieberbach polynomials in domains with interior zero angles -- Duality principle in linearized rational approximation -- Universality of the fibonacci cubature formulas -- Parameters of orthogonal polynomials -- Some numerical results on best uniform polynomial approximation of X ? on [0, 1]. |
Record Nr. | UNISA-996466665003316 |
Berlin ; ; Heidelberg : , : Springer-Verlag, , [1993] | ||
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Lo trovi qui: Univ. di Salerno | ||
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Modern trends in constructive function theory [[electronic resource] ] : conference in honor of Ed Saff's 70th birthday : constructive functions 2014, May 26-30, 2014, Vanderbilt University, Nashville, Tennessee / / Douglas P. Hardin, Doron S. Lubinsky, Brian Z. Simanek, editors |
Pubbl/distr/stampa | Providence, Rhode Island : , : American Mathematical Society, , 2014 |
Descrizione fisica | 1 online resource (ix, 297 pages : illustrations) |
Disciplina | 511.3/26 |
Collana | Contemporary mathematics |
Soggetto topico |
Functions
Approximation theory Mathematical analysis Number theory -- Additive number theory; partitions -- Lattice points in specified regions Real functions -- Polynomials, rational functions -- Polynomials: location of zeros Potential theory -- Two-dimensional theory -- Potentials and capacity, harmonic measure, extremal length Special functions (33-XX deals with the properties of functions as functions) -- Hypergeometric functions -- Orthogonal polynomials and functions in several variables expressible in terms of special functions in one variable Partial differential equations -- Hyperbolic equations and systems -- Shocks and singularities Sequences, series, summability -- Convergence and divergence of infinite limiting processes -- Convergence and divergence of continued fractions Approximations and expansions -- Approximations and expansions -- Padé approximation Harmonic analysis on Euclidean spaces -- Nontrigonometric harmonic analysis -- Orthogonal functions and polynomials, general theory Probability theory and stochastic processes -- Probability theory on algebraic and topological structures -- Random matrices (probabilistic aspects; for algebraic aspects see 15B52) |
ISBN | 1-4704-2534-3 |
Classificazione | 11P2126C1031A1533C5035L6740A1541A2142C0560B20 |
Formato | Materiale a stampa ![]() |
Livello bibliografico | Monografia |
Lingua di pubblicazione | eng |
Record Nr. | UNINA-9910789307003321 |
Providence, Rhode Island : , : American Mathematical Society, , 2014 | ||
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Lo trovi qui: Univ. Federico II | ||
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Modern trends in constructive function theory [[electronic resource] ] : conference in honor of Ed Saff's 70th birthday : constructive functions 2014, May 26-30, 2014, Vanderbilt University, Nashville, Tennessee / / Douglas P. Hardin, Doron S. Lubinsky, Brian Z. Simanek, editors |
Pubbl/distr/stampa | Providence, Rhode Island : , : American Mathematical Society, , 2014 |
Descrizione fisica | 1 online resource (ix, 297 pages : illustrations) |
Disciplina | 511.3/26 |
Collana | Contemporary mathematics |
Soggetto topico |
Functions
Approximation theory Mathematical analysis Number theory -- Additive number theory; partitions -- Lattice points in specified regions Real functions -- Polynomials, rational functions -- Polynomials: location of zeros Potential theory -- Two-dimensional theory -- Potentials and capacity, harmonic measure, extremal length Special functions (33-XX deals with the properties of functions as functions) -- Hypergeometric functions -- Orthogonal polynomials and functions in several variables expressible in terms of special functions in one variable Partial differential equations -- Hyperbolic equations and systems -- Shocks and singularities Sequences, series, summability -- Convergence and divergence of infinite limiting processes -- Convergence and divergence of continued fractions Approximations and expansions -- Approximations and expansions -- Padé approximation Harmonic analysis on Euclidean spaces -- Nontrigonometric harmonic analysis -- Orthogonal functions and polynomials, general theory Probability theory and stochastic processes -- Probability theory on algebraic and topological structures -- Random matrices (probabilistic aspects; for algebraic aspects see 15B52) |
ISBN | 1-4704-2534-3 |
Classificazione | 11P2126C1031A1533C5035L6740A1541A2142C0560B20 |
Formato | Materiale a stampa ![]() |
Livello bibliografico | Monografia |
Lingua di pubblicazione | eng |
Record Nr. | UNINA-9910822229103321 |
Providence, Rhode Island : , : American Mathematical Society, , 2014 | ||
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Lo trovi qui: Univ. Federico II | ||
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Rational approximation and interpolation : proceedings of the United Kingdom-United States conference held at Tampa, Florida, December 12-16, 1983 / / edited by P. R. Graves-Morris, E. B. Saff, R. S. Varga |
Edizione | [1st ed. 1984.] |
Pubbl/distr/stampa | Berlin, Germany : , : Springer, , [1984] |
Descrizione fisica | 1 online resource (XIV, 530 p.) |
Disciplina | 518 |
Collana | Lecture Notes in Mathematics |
Soggetto topico | Approximation theory |
ISBN | 3-540-39113-4 |
Formato | Materiale a stampa ![]() |
Livello bibliografico | Monografia |
Lingua di pubblicazione | eng |
Nota di contenuto | The faber operator -- Survey on recent advances in inverse problems of Padé approximation theory -- Some properties and applications of Chebyshev polynomial and rational approximation -- Polynomial, sinc and rational function methods for approximating analytic functions -- Rational approximation of fractals -- On rational approximation of the exponential and the square root function -- Padé-type approximants and linear functional transformations -- Continued fraction solution of the general Riccati equation -- Order stars, contractivity and a pick-type theorem -- Bernstein and markov inequalities for constrained polynomials -- Multivariate interpolation -- The strong uniqueness constant in complex approximation -- On the minimum moduli of normalized polynomials -- On the block structure of the Laurent-Padé table -- Square blocks and equioscillation in the Padé, walsh, and cf tables -- Properties of Padé approximants to stieltjes series and systems theory -- Degree of rational approximation in digital filter realization -- Applications of schur fractions to digital filtering and signal processing -- A de montessus theorem for vector valued rational interpolants -- On the convergence of limit periodic continued fractions K(an/1), where a1 ? ?1/4 -- On the uniform approximation of holomorphic functions on convex sets by means of interpolation polynomials -- On equiconvergence of certain sequences of rational interpolants -- Convergence and divergence of multipoint padé approximants of meromorphic functions -- Approximate analytic continuation beyond the first Riemann sheet -- Critical exponents for the general spin ising model using the rational approximation method -- Partial differential approximants and the elucidation of multisingularities -- Zeros of polynomials generated by 4-term recurrence relations -- A lower bound for the number of zeros of a function analytic in a disk -- Location of poles of Padé approximants to entire functions -- Approximations to ex arising in the numerical analysis of volterra equations -- Error evaluation for cubic bessel interpolation -- Extended numerical computations on the “1/9” conjecture in rational approximation theory -- Computing with the faber transform -- A-stable methods for second order differential systems and their relation to Padé approximants -- Shape preserving rational spline interpolation -- An application of gaussian elimination to interpolation by generalized rational functions -- Problems in numerical chebyshev approximation by interpolating rationals -- Exponential fitting of restricted rational approximations to the exponential function -- Quadrature formulae and moment problems -- Discrete ?p approximation by rational functions -- What is beyond Szegö's theory of orthogonal polynomials? -- Polynomials with laguerre weights in Lp -- Orthogonal polynomials for general measures-I. |
Record Nr. | UNISA-996466863403316 |
Berlin, Germany : , : Springer, , [1984] | ||
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Lo trovi qui: Univ. di Salerno | ||
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Strong asymptotics for extremal polynomials associated with weights on R / / edited by Doron S. Lubinsky, Edward B. Saff |
Edizione | [1st ed. 1988.] |
Pubbl/distr/stampa | Berlin, Germany : , : Springer, , [1988] |
Descrizione fisica | 1 online resource (VIII, 156 p.) |
Disciplina | 511.66 |
Collana | Lecture Notes in Mathematics |
Soggetto topico | Orthogonal polynomials |
ISBN | 3-540-38857-5 |
Formato | Materiale a stampa ![]() |
Livello bibliografico | Monografia |
Lingua di pubblicazione | eng |
Nota di contenuto | Notation and index of notation -- Statement of main results -- Weighted polynomials and zeros of extremal polynomials -- Integral equations -- Polynomial approximation of potentials -- Infinite-finite range inequalities and their sharpness -- The largest zeros of extremal polynomials -- Further properties of Un, R(x) -- Nth root asymptotics for extremal polynomials -- Approximation by certain weighted polynomials, I -- Approximation by certain weighted polynomials, II -- Bernstein's formula and bernstein extremal polynomials -- Proof of the asymptotics for Enp(W) -- Proof of the asymptotics for the Lp extremal polynomials -- The case p=2 : Orthonormal polynomials. |
Record Nr. | UNISA-996466539203316 |
Berlin, Germany : , : Springer, , [1988] | ||
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Lo trovi qui: Univ. di Salerno | ||
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Zeros of sections of power series / / Albert Edrei, Edward B. Saff, Richard S. Varga |
Autore | Edrei Albert |
Edizione | [1st ed. 1983.] |
Pubbl/distr/stampa | Berlin, Heidelberg : , : Springer, , [1983] |
Descrizione fisica | 1 online resource (X, 118 p.) |
Disciplina | 519.4 |
Collana | Lecture Notes in Mathematics |
Soggetto topico | Numerical analysis |
ISBN | 3-540-40040-0 |
Formato | Materiale a stampa ![]() |
Livello bibliografico | Monografia |
Lingua di pubblicazione | eng |
Nota di contenuto | Statements of our results -- Discussion of our numerical results -- Outline of the method -- Notational conventions -- Properties of the Mittag-Leffler function of order 1 < ? -- Estimates for Gm(w) and Qm(w) -- A differential equation -- Estimates for Jm(w) near the circumference |w|=1 -- Existence and uniqueness of the Szegö curve -- Crude estimates for |Um(w)| and |Qm(w)| -- Proof of Theorem 5 -- Proof of Theorem 1 -- Proof of Theorem 2 -- The circular portion of the Szegö curve (Proof of Theorem 3) -- Proof of Theorem 4 -- Proof of Theorem 6 -- Properties of £-functions; proof of assertion I of Theorem 7 -- £-functions of genus zero are admissible in the sense of Hayman -- The functions Um(w), Qm(w), Gm(w) associated with £-functions of genus zero -- Estimates for Um(w) -- Determination of lim ?m(?) -- Comparison with integrals; proof of assertion II of Theorem 7 -- The Szegö curves for £-functions of genus zero -- Estimates for Um(?mei?w) -- Proof of assertion IV of Theorem 7. |
Record Nr. | UNISA-996466574503316 |
Edrei Albert
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Berlin, Heidelberg : , : Springer, , [1983] | ||
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Lo trovi qui: Univ. di Salerno | ||
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