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Author ID: njastad.olav Recent zbMATH articles by "Njåstad, Olav"
Published as: Njåstad, Olav; Njåstad, O.; Njastad, Olav
Homepage: https://www.ntnu.edu/employees/njastad
External Links: dblp
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Serials

30 Journal of Computational and Applied Mathematics
9 Journal of Mathematical Analysis and Applications
8 Numerical Algorithms
6 Rocky Mountain Journal of Mathematics
5 Journal of Approximation Theory
3 Mathematica Scandinavica
3 Proceedings of the Edinburgh Mathematical Society. Series II
3 Journal of the Australian Mathematical Society. Series A
3 Methods and Applications of Analysis
3 Analysis (München)
2 Fundamenta Mathematicae
2 Pacific Journal of Mathematics
2 Proceedings of the American Mathematical Society
2 Proceedings of the London Mathematical Society. Third Series
2 Transactions of the American Mathematical Society
2 Applied Numerical Mathematics
2 Constructive Approximation
2 Revista de la Academia Canaria de Ciencias
2 East Journal on Approximations
2 Skrifter. Det Kongelige Norske Videnskabers Selskab
2 Det Kongelige Norske Videnskabers Selskabs Forhandlinger
2 Cambridge Monographs on Applied and Computational Mathematics
1 IMA Journal of Numerical Analysis
1 Mathematics of Computation
1 Applied Mathematics and Computation
1 Bulletin of the London Mathematical Society
1 Canadian Journal of Mathematics
1 The Journal of the Indian Mathematical Society. New Series
1 Mathematische Annalen
1 Mathematica Japonica
1 Mathematische Zeitschrift
1 Monatshefte für Mathematik
1 Topology and its Applications
1 Analysis
1 Acta Applicandae Mathematicae
1 Journal of Complexity
1 SIAM Journal on Mathematical Analysis
1 ETNA. Electronic Transactions on Numerical Analysis
1 Advances in Computational Mathematics
1 Journal of the London Mathematical Society
1 Nordisk Matematisk Tidskrift
1 Annales Mathematicae et Informaticae

Publications by Year

Citations contained in zbMATH Open

127 Publications have been cited 1,651 times in 752 Documents Cited by Year
On some classes of nearly open sets. Zbl 0137.41903
Njåstad, Olav
241
1965
Moment theory, orthogonal polynomials, quadrature, and continued fractions associated with the unit circle. Zbl 0637.30035
Jones, William B.; Njåstad, Olav; Thron, W. J.
178
1989
Orthogonal rational functions and tridiagonal matrices. Zbl 1014.42017
Bultheel, A.; González-Vera, P.; Hendriksen, E.; Njåstad, O.
76
2003
Orthogonal rational functions. Zbl 0923.42017
Bultheel, Adhemar; González-Vera, Pablo; Hendriksen, Erik; Njåstad, Olav
75
1999
Two-point Padé expansions for a family of analytic functions. Zbl 0533.41014
Jones, William B.; Njåstad, Olav; Thron, W. J.
54
1983
Orthogonal Laurent polynomials and the strong Hamburger moment problem. Zbl 0535.44006
Jones, William B.; Thron, W. J.; Njåstad, Olav
51
1984
The theory of sequences of orthogonal L-polynomials. Zbl 0643.33011
Njåstad, Olav; Thron, W. J.
39
1983
Some results about numerical quadrature on the unit circle. Zbl 0856.41025
González-Vera, Pablo; Santos-León, J. C.; Njåstad, Olav
37
1996
Orthogonal Laurent polynomials and strong moment theory: A survey. Zbl 0943.30024
Jones, William B.; Njåstad, Olav
28
1999
Szegő polynomials applied to frequency analysis. Zbl 0784.65105
Jones, William B.; Thron, W. J.; Njåstad, Olav; Waadeland, Haakon
27
1993
The computation of orthogonal rational functions and their interpolating properties. Zbl 0758.65009
Bultheel, Adhemar; González-Vera, Pablo; Hendriksen, Erik; Njåstad, Olav
26
1992
Szegö polynomials associated with Wiener-Levinson filters. Zbl 0718.94002
Jones, William B.; Njåstad, Olav; Saff, E. B.
26
1990
Continued fractions associated with trigonometric and other strong moment problems. Zbl 0634.41015
Jones, William B.; Njåstad, Olav; Thron, W. J.
24
1986
Orthogonal rational functions and quadrature on the unit circle. Zbl 0786.42011
Bultheel, Adhemar; González-Vera, Pablo; Hendriksen, Erik; Njåstad, Olav
19
1992
Moment problems and orthogonal functions. Zbl 0795.33003
Bultheel, Adhemar; González-Vera, Pablo; Hendriksen, Erik; Njåstad, Olav
19
1993
Convergence of two-point Padé approximants to series of Stieltjes. Zbl 0721.30026
González-Vera, Pablo; Njåstad, Olav
19
1990
Applications of Szegö polynomials to digital signal processing. Zbl 0729.94002
Jones, William B.; Njåstad, Olav
19
1991
On Wallman-type compactifications. Zbl 0131.20404
Njåstad, Olav
19
1966
Schur fractions, Perron-Carathéodory fractions and Szegö polynomials, a survey. Zbl 0596.30009
Jones, W. B.; Njåstad, Olav; Thron, W. J.
18
1986
Recurrence relations for orthogonal functions. Zbl 0813.30007
Bultheel, Adhemar; González-Vera, Pablo; Hendriksen, Erik; Njåstad, Olav
17
1994
Sequences of orthogonal Laurent polynomials, bi-orthogonality and quadrature formulas on the unit circle. Zbl 1136.42020
Cruz-Barroso, Ruymán; Daruis, Leyla; González-Vera, Pablo; Njåstad, Olav
17
2007
Orthogonal rational functions with poles on the unit circle. Zbl 0796.33003
Bultheel, Adhemar; González-Vera, Pablo; Hendriksen, Erik; Njåstad, Olav
16
1994
An alternative way of using Szegö polynomials in frequency analysis. Zbl 0818.33004
Jones, William B.; Njåstad, Olav; Waadeland, Haakon
16
1994
Orthogonal rational functions and interpolatory product rules on the unit circle. III: Convergence of general sequences. Zbl 0979.41019
Bultheel, A.; González-Vera, P.; Hendriksen, E.; Njåstad, O.
15
2000
Orthogonality and quadrature on the unit circle. Zbl 0830.30022
Bultheel, Adhemar; González-Vera, Pablo; Hendriksen, Erik; Njåstad, Olav
14
1991
Unique solvability of the strong Hamburger moment problem. Zbl 0593.44006
Njåstad, Olav; Thron, W. J.
14
1986
Continued fractions and strong Hamburger moment problems. Zbl 0497.40001
Jones, William B.; Njåstad, Olav; Thron, W. J.
14
1983
Quadrature rules for periodic integrands. Bi-orthogonality and para-orthogonality. Zbl 1108.41017
Cruz-Barrosó, Ruymán; Daruisa, Leyla; González-Vera, Pablo; Njastad, Olav
13
2005
Szegö quadrature formulas for certain Jacobi-type weight functions. Zbl 0989.41015
Daruis, Leyla; González-Vera, Pablo; Njåstad, Olav
13
2002
Quadrature and orthogonal rational functions. Zbl 0970.41020
Bultheel, A.; González-Vera, P.; Hendriksen, E.; Njåstad, Olav
13
2001
Orthogonal rational functions and interpolatory product rules on the unit circle. II: Quadrature and convergence. Zbl 0929.30027
Bultheel, Adhemar; González-Vera, Pablo; Hendriksen, Erik; Njåstad, Olav
13
1998
Orthogonal rational functions similar to Szegö polynomials. Zbl 0829.42020
Bultheel, Adhemar; González-Vera, Pablo; Hendriksen, Erik; Njåstad, Olav
12
1991
A Favard theorem for orthogonal rational functions on the unit circle. Zbl 0786.42010
Bultheel, Adhemar; González-Vera, Pablo; Hendriksen, Erik; Njåstad, Olav
12
1992
Solutions of the strong Hamburger moment problem. Zbl 0853.44004
Njåstad, Olav
12
1996
Quadrature formulas on the unit circle based on rational functions. Zbl 0809.41027
Bultheel, Adhemar; Hendriksen, Erik; González-Vera, Pablo; Njåstad, Olav
12
1994
Multipoint Padé approximation and orthogonal rational functions. Zbl 0721.30003
Njåstad, Olav
12
1988
On bi-orthogonal systems of trigonometric functions and quadrature formulas for periodic integrands. Zbl 1129.65014
Cruz-Barroso, Ruymán; González-Vera, Pablo; Njåstad, Olav
12
2007
A rational moment problem on the unit circle. Zbl 0905.30030
Bultheel, Adhemar; González-Vera, Pablo; Hendriksen, Erik; Njåstad, Olav
12
1997
Solutions of the strong Stieltjes moment problem. Zbl 0841.30033
Njåstad, Olav
11
1995
Generalized Szegö theory in frequency analysis. Zbl 0872.42006
Njåstad, Olav; Waadeland, Haakon
11
1997
Remarks on topologies defined by local properties. Zbl 0148.16504
Njåstad, Olav
11
1966
Merotopic spaces and extensions of closure spaces. Zbl 0493.54017
Chattopadhyay, K. C.; Njåstad, Olav; Thron, W. J.
10
1983
Orthogonal rational functions and quadrature on the real half line. Zbl 1049.42012
Bultheel, A.; González-Vera, P.; Hendriksen, E.; Njåstad, Olav
10
2003
Para-orthogonal polynomials in frequency analysis. Zbl 1042.94001
Daruis, Leyla; Njåstad, Olav; Van Assche, Walter
10
2003
On the convergence of multipoint Padé-type approximants and quadrature formulas associated with the unit circle. Zbl 0864.41016
Bultheel, Adhemar; González-Vera, Pablo; Hendriksen, Erik; Njåstad, Olav
9
1996
Asymptotic properties of zeros of orthogonal rational functions. Zbl 0864.42010
Njåstad, Olav; Waadeland, Haakon
9
1997
Biorthogonal Laurent polynomials with biorthogonal derivatives. Zbl 0763.33004
Hendriksen, Erik; Njåstad, Olav
8
1991
Asymptotics for orthogonal rational functions. Zbl 0814.42012
Bultheel, Adhemar; González-Vera, Pablo; Hendriksen, Erik; Njåstad, Olav
8
1994
Quadrature formulas on the unit circle and two-point Padé approximation. Zbl 0803.41036
Bultheel, Adhemar; González-Vera, Pablo; Hendriksen, Erik; Njåstad, Olav
8
1994
Orthogonal rational functions on the real half line with poles in \([-\infty,0]\). Zbl 1068.42022
Bultheel, A.; González-Vera, P.; Hendriksen, E.; Njåstad, O.
8
2005
A Favard theorem for rational functions. Zbl 0721.30025
Hendriksen, Erik; Njåstad, Olav
8
1989
Szegö functions and multipoint Padé approximation. Zbl 0721.30027
González-Vera, Pablo; Njåstad, Olav
8
1990
Positive multipoint Padé continued fractions. Zbl 0647.30001
Hendriksen, Erik; Njåstad, Olav
8
1989
Extremal solutions of the strong Stieltjes moment problem. Zbl 0857.44003
Njåstad, Olav
7
1995
On real-valued proximity mappings. Zbl 0121.39401
Njåstad, Olav
7
1964
Rational quadrature formulas on the unit circle with prescribed nodes and maximal domain of validity. Zbl 1203.65054
Bultheel, A.; González-Vera, P.; Hendriksen, E.; Njåstad, O.
7
2010
Computation of rational Szegő-Lobatto quadrature formulas. Zbl 1203.65055
Bultheel, Adhemar; González-Vera, Pablo; Hendriksen, Erik; Njåstad, Olav
7
2010
An extended Hamburger moment problem. Zbl 0557.30032
Njåstad, Olav
7
1985
Orthogonality and recurrence for ordered Laurent polynomial sequences. Zbl 1202.30006
Díaz-Mendoza, C.; González-Vera, P.; Jiménez Paiz, M.; Njåstad, O.
7
2010
A moment problem associated to rational Szegö functions. Zbl 0781.30030
Bultheel, Adhemar; González-Vera, Pablo; Hendriksen, Erik; Njåstad, Olav
6
1992
Asymptotics of zeros of orthogonal and para-orthogonal Szegö polynomials in frequency analysis. Zbl 0818.33005
Jones, William B.; Njåstad, Olav; Waadeland, Haakon
6
1994
Convergence properties related to \(p\)-point Padé approximants of Stieltjes transforms. Zbl 0780.41012
Njåstad, Olav
6
1993
Orthogonal rational functions and nested disks. Zbl 0878.42012
Bultheel, Adhemar; González-Vera, Pablo; Hendriksen, Erik; Njåstad, Olav
6
1997
An indeterminate rational moment problem and Carathéodory functions. Zbl 1149.30001
Bultheel, Adhemar; González-Vera, Pablo; Hendriksen, Erik; Njåstad, Olav
6
2008
A Favard theorem for rational functions with poles on the unit circle. Zbl 0893.33004
Bultheel, Adhemar; González-Vera, Pablo; Hendriksen, Erik; Njåstad, Olav
6
1997
Orthogonal rational functions and continued fractions. Zbl 0995.42017
Bultheel, Adhemar; Gonzalez-Vera, Pablo; Hendriksen, Erik; Njåstad, Olav
6
2001
Totality of uniform structures with linearly ordered base. Zbl 0117.39901
Alfsen, Erik M.; Njåstad, Olav
6
1963
Perron-Carathéodory continued fractions. Zbl 0652.40003
Jones, William B.; Njåstad, Olav; Thron, W. J.
6
1986
Rates of convergence of multipoint rational approximants and quadrature formulas on the unit circle. Zbl 0867.41012
Bultheel, Adhemar; González-Vera, Pablo; Hendriksen, Erik; Njåstad, Olav
5
1997
Orthogonal rational functions and modified approximants. Zbl 0845.30025
Bultheel, Adhemar; González-Vera, Pablo; Hendriksen, Erik; Njåstad, Olav
5
1996
Application of Szegö polynomials to frequency analysis. Zbl 0798.33008
Jones, William B.; Njåstad, Olav; Waadeland, Haakon
5
1994
A survey of some results on separate convergence of continued fractions. Zbl 0683.40002
Njåstad, Olav
5
1989
Domain of validity of Szegő quadrature formulas. Zbl 1109.41020
Njåstad, O.; Santos-León, J. C.
5
2007
Determinacy of a rational moment problem. Zbl 0997.44005
Bultheel, A.; González-Vera, P.; Hendriksen, E.; Njåstad, O.
5
2001
Some properties of proximity and generalized uniformity. Zbl 0121.17502
Njåstad, Olav
5
1963
A class of indeterminate strong Stieltjes moment problems with discrete distributions. Zbl 0979.44005
Bonan-Hamada, Catherine M.; Jones, William B.; Thron, W. J.; Njåstad, Olav
5
1998
Proximity and generalized uniformity. Zbl 0122.41401
Alfsen, Erik M.; Njåstad, Olav
5
1963
Unique solvability of an extended Hamburger moment problem. Zbl 0654.42024
Njåstad, Olav
5
1987
A density problem for orthogonal rational functions. Zbl 0944.30021
Bultheel, Adhemar; González-Vera, Pablo; Hendriksen, Erik; Njåstad, Olav
5
1999
Orthogonality and boundary interpolation. Zbl 0807.41002
Bultheel, Adhemar; Gonzalez-Vera, Pablo; Hendriksen, Erik; Njåstad, Olav
4
1994
Szegő quadrature and frequency analysis. Zbl 1122.41017
Daruis, Leyla; Njåstad, Olav; Van Assche, Walter
4
2005
Completely convergent APT-fractions and strong Hamburger moment problems with unique solutions. Zbl 0625.30006
Njåstad, Olav; Thron, W. J.
4
1984
A modified Schur algorithm and an extended Hamburger moment problem. Zbl 0729.30036
Njåstad, Olav
4
1991
Sequences of orthogonal Laurent polynomials, bi-orthogonality and quadrature formulas on the unit circle. Zbl 1119.41025
Cruz-Barroso, Ruymán; Daruis, Leyla; González-Vera, Pablo; Njåstad, Olav
4
2007
A rational Stieltjes moment problem. Zbl 1055.30031
Bultheel, A.; Gonzalez-Vera, P.; Hendriksen, E.; Njåstad, Olav
4
2002
On uniform spaces where all uniformly continuous functions are bounded. Zbl 0145.19502
Njåstad, Olav
4
1965
Continued fractions and orthogonal rational functions. Zbl 0930.30004
Bultheel, Adhemar; González-Vera, Pablo; Hendriksen, Erik; Njåstad, Olav
4
1998
Orthogonal rational functions and interpolatory product rules on the unit circle. I: Recurrence and interpolation. Zbl 0929.30026
Bultheel, Adhemar; González-Vera, Pablo; Hendriksen, Erik; Njåstad, Olav
4
1998
Interpolation by rational functions with nodes on the unit circle. Zbl 0966.30031
Bultheel, Adhemar; González-Vera, Pablo; Hendriksen, Erik; Njåstad, Olav
4
2000
Laurent continued fractions corresponding to pairs of power series. Zbl 0689.30006
Njåstad, Olav
3
1988
Orthogonal rational functions on the unit circle: from the scalar to the matrix case. Zbl 1142.42010
Bultheel, Adhemar; González-Vera, Pablo; Hendriksen, Erik; Njåstad, Olav
3
2006
Natural solutions of indeterminate strong Stieltjes moment problems derived from PC-fractions. Zbl 0933.30006
Bonan-Hamada, Catherine M.; Jones, William B.; Njåstad, Olav
3
1998
Remarks on canonical solutions of strong moment problems 4. Zbl 0926.44003
Njåstad, Olav
3
1998
Nevanlinna matrices for the strong Hamburger moment problem. Zbl 1038.30014
Njåstad, O.
3
2003
Solution of the strong Hamburger moment problem by Laurent continued fractions. Zbl 0658.44007
Njåstad, Olav
3
1988
Asymptotics for Szegö polynomial zeros. Zbl 0791.65107
Jones, William B.; Njåstad, Olav; Waadeland, Haakon
2
1992
Quadratures associated with pseudo-orthogonal rational functions on the real half line with poles in \([-\infty,0]\). Zbl 1262.65041
Bultheel, Adhemar; González-Vera, Pablo; Hendriksen, Erik; Njåstad, Olav
2
2013
Convergence of the Schur algorithm. Zbl 0735.30034
Njåstad, Olav
2
1990
Convergence of modified approximants associated with orthogonal rational functions. Zbl 0898.42008
Bultheel, Adhemar; González-Vera, Pablo; Hendriksen, Erik; Njåstad, Olav
2
1995
Laurent polynomials and Gaussian quadrature. Zbl 0707.41031
Njåstad, Olav
2
1989
Radau and Lobatto-type quadratures associated with strong Stieltjes distributions. Zbl 1312.65034
Díaz Mendoza, C.; González Vera, P.; Jiménez Paiz, M.; Njåstad, O.
1
2015
Quadratures associated with pseudo-orthogonal rational functions on the real half line with poles in \([-\infty,0]\). Zbl 1262.65041
Bultheel, Adhemar; González-Vera, Pablo; Hendriksen, Erik; Njåstad, Olav
2
2013
Natural solutions of rational Stieltjes moment problems. Zbl 1211.44006
Bultheel, A.; González-Vera, P.; Hendriksen, E.; Njåstad, O.
1
2011
Rational quadrature formulas on the unit circle with prescribed nodes and maximal domain of validity. Zbl 1203.65054
Bultheel, A.; González-Vera, P.; Hendriksen, E.; Njåstad, O.
7
2010
Computation of rational Szegő-Lobatto quadrature formulas. Zbl 1203.65055
Bultheel, Adhemar; González-Vera, Pablo; Hendriksen, Erik; Njåstad, Olav
7
2010
Orthogonality and recurrence for ordered Laurent polynomial sequences. Zbl 1202.30006
Díaz-Mendoza, C.; González-Vera, P.; Jiménez Paiz, M.; Njåstad, O.
7
2010
Growth properties of Nevanlinna matrices for rational moment problems. Zbl 1210.44003
Bultheel, A.; González-Vera, P.; Hendriksen, E.; Njåstad, O.
2
2010
Zeros of orthogonal Laurent polynomials and solutions of strong Stieltjes moment problems. Zbl 1206.44003
Bonan-Hamada, C.; Jones, W. B.; Njåstad, O.
1
2010
Analytic functions associated with strong hamburger moment problems. Zbl 1165.30010
Njåstad, Olav
2
2009
Wall rational functions and Khrushchev’s formula for orthogonal rational functions. Zbl 1171.42308
Njåstad, O.; Velázquez, L.
1
2009
Orthogonal rational functions. Reprint of the 1999 hardback ed. Zbl 1205.42024
Bultheel, Adhemar; González-Vera, Pablo; Hendriksen, Erik; Njåstad, Olav
1
2009
An indeterminate rational moment problem and Carathéodory functions. Zbl 1149.30001
Bultheel, Adhemar; González-Vera, Pablo; Hendriksen, Erik; Njåstad, Olav
6
2008
Sequences of orthogonal Laurent polynomials, bi-orthogonality and quadrature formulas on the unit circle. Zbl 1136.42020
Cruz-Barroso, Ruymán; Daruis, Leyla; González-Vera, Pablo; Njåstad, Olav
17
2007
On bi-orthogonal systems of trigonometric functions and quadrature formulas for periodic integrands. Zbl 1129.65014
Cruz-Barroso, Ruymán; González-Vera, Pablo; Njåstad, Olav
12
2007
Domain of validity of Szegő quadrature formulas. Zbl 1109.41020
Njåstad, O.; Santos-León, J. C.
5
2007
Sequences of orthogonal Laurent polynomials, bi-orthogonality and quadrature formulas on the unit circle. Zbl 1119.41025
Cruz-Barroso, Ruymán; Daruis, Leyla; González-Vera, Pablo; Njåstad, Olav
4
2007
Orders of Nevanlinna matrices for strong moment problems. Zbl 1487.30032
Njåstad, Olav
2
2007
Orthogonal rational functions on the unit circle: from the scalar to the matrix case. Zbl 1142.42010
Bultheel, Adhemar; González-Vera, Pablo; Hendriksen, Erik; Njåstad, Olav
3
2006
Quadrature rules for periodic integrands. Bi-orthogonality and para-orthogonality. Zbl 1108.41017
Cruz-Barrosó, Ruymán; Daruisa, Leyla; González-Vera, Pablo; Njastad, Olav
13
2005
Orthogonal rational functions on the real half line with poles in \([-\infty,0]\). Zbl 1068.42022
Bultheel, A.; González-Vera, P.; Hendriksen, E.; Njåstad, O.
8
2005
Szegő quadrature and frequency analysis. Zbl 1122.41017
Daruis, Leyla; Njåstad, Olav; Van Assche, Walter
4
2005
Separation of zeros of para-orthogonal rational functions. Zbl 1129.42406
Bultheel, A.; González-Vera, P.; Hendriksen, E.; Njåstad, Olav
1
2005
Orthogonal rational functions and tridiagonal matrices. Zbl 1014.42017
Bultheel, A.; González-Vera, P.; Hendriksen, E.; Njåstad, O.
76
2003
Orthogonal rational functions and quadrature on the real half line. Zbl 1049.42012
Bultheel, A.; González-Vera, P.; Hendriksen, E.; Njåstad, Olav
10
2003
Para-orthogonal polynomials in frequency analysis. Zbl 1042.94001
Daruis, Leyla; Njåstad, Olav; Van Assche, Walter
10
2003
Nevanlinna matrices for the strong Hamburger moment problem. Zbl 1038.30014
Njåstad, O.
3
2003
Positivity of continued fractions associated with rational Stieltjes moment problems. Zbl 1053.30005
Bultheel, A.; González-Vera, P.; Hendriksen, E.; Njåstad, Olav
2
2003
Szegö quadrature formulas for certain Jacobi-type weight functions. Zbl 0989.41015
Daruis, Leyla; González-Vera, Pablo; Njåstad, Olav
13
2002
A rational Stieltjes moment problem. Zbl 1055.30031
Bultheel, A.; Gonzalez-Vera, P.; Hendriksen, E.; Njåstad, Olav
4
2002
Quadrature and orthogonal rational functions. Zbl 0970.41020
Bultheel, A.; González-Vera, P.; Hendriksen, E.; Njåstad, Olav
13
2001
Orthogonal rational functions and continued fractions. Zbl 0995.42017
Bultheel, Adhemar; Gonzalez-Vera, Pablo; Hendriksen, Erik; Njåstad, Olav
6
2001
Determinacy of a rational moment problem. Zbl 0997.44005
Bultheel, A.; González-Vera, P.; Hendriksen, E.; Njåstad, O.
5
2001
Orthogonal rational functions and interpolatory product rules on the unit circle. III: Convergence of general sequences. Zbl 0979.41019
Bultheel, A.; González-Vera, P.; Hendriksen, E.; Njåstad, O.
15
2000
Interpolation by rational functions with nodes on the unit circle. Zbl 0966.30031
Bultheel, Adhemar; González-Vera, Pablo; Hendriksen, Erik; Njåstad, Olav
4
2000
Orthogonal rational functions. Zbl 0923.42017
Bultheel, Adhemar; González-Vera, Pablo; Hendriksen, Erik; Njåstad, Olav
75
1999
Orthogonal Laurent polynomials and strong moment theory: A survey. Zbl 0943.30024
Jones, William B.; Njåstad, Olav
28
1999
A density problem for orthogonal rational functions. Zbl 0944.30021
Bultheel, Adhemar; González-Vera, Pablo; Hendriksen, Erik; Njåstad, Olav
5
1999
Elements of a theory of orthogonal rational functions. Zbl 1029.42019
Bultheel, Adhemar; González-Vera, Pablo; Hendriksen, Erik; Njåstad, Olav
2
1999
Orthogonal rational functions and interpolatory product rules on the unit circle. II: Quadrature and convergence. Zbl 0929.30027
Bultheel, Adhemar; González-Vera, Pablo; Hendriksen, Erik; Njåstad, Olav
13
1998
A class of indeterminate strong Stieltjes moment problems with discrete distributions. Zbl 0979.44005
Bonan-Hamada, Catherine M.; Jones, William B.; Thron, W. J.; Njåstad, Olav
5
1998
Continued fractions and orthogonal rational functions. Zbl 0930.30004
Bultheel, Adhemar; González-Vera, Pablo; Hendriksen, Erik; Njåstad, Olav
4
1998
Orthogonal rational functions and interpolatory product rules on the unit circle. I: Recurrence and interpolation. Zbl 0929.30026
Bultheel, Adhemar; González-Vera, Pablo; Hendriksen, Erik; Njåstad, Olav
4
1998
Natural solutions of indeterminate strong Stieltjes moment problems derived from PC-fractions. Zbl 0933.30006
Bonan-Hamada, Catherine M.; Jones, William B.; Njåstad, Olav
3
1998
Remarks on canonical solutions of strong moment problems 4. Zbl 0926.44003
Njåstad, Olav
3
1998
Interpolation of Nevanlinna functions by rationals with poles on the real line. Zbl 0928.30018
Bultheel, Adhemar; Gonzáles-Vera, Pablo; Hendriksen, Erik; Njåstad, Olav
2
1998
Nevanlinna matrices for the strong Stieltjes moment problem. Zbl 0929.44003
Njåstad, Olav
2
1998
A rational moment problem on the unit circle. Zbl 0905.30030
Bultheel, Adhemar; González-Vera, Pablo; Hendriksen, Erik; Njåstad, Olav
12
1997
Generalized Szegö theory in frequency analysis. Zbl 0872.42006
Njåstad, Olav; Waadeland, Haakon
11
1997
Asymptotic properties of zeros of orthogonal rational functions. Zbl 0864.42010
Njåstad, Olav; Waadeland, Haakon
9
1997
Orthogonal rational functions and nested disks. Zbl 0878.42012
Bultheel, Adhemar; González-Vera, Pablo; Hendriksen, Erik; Njåstad, Olav
6
1997
A Favard theorem for rational functions with poles on the unit circle. Zbl 0893.33004
Bultheel, Adhemar; González-Vera, Pablo; Hendriksen, Erik; Njåstad, Olav
6
1997
Rates of convergence of multipoint rational approximants and quadrature formulas on the unit circle. Zbl 0867.41012
Bultheel, Adhemar; González-Vera, Pablo; Hendriksen, Erik; Njåstad, Olav
5
1997
Some results about numerical quadrature on the unit circle. Zbl 0856.41025
González-Vera, Pablo; Santos-León, J. C.; Njåstad, Olav
37
1996
Solutions of the strong Hamburger moment problem. Zbl 0853.44004
Njåstad, Olav
12
1996
On the convergence of multipoint Padé-type approximants and quadrature formulas associated with the unit circle. Zbl 0864.41016
Bultheel, Adhemar; González-Vera, Pablo; Hendriksen, Erik; Njåstad, Olav
9
1996
Orthogonal rational functions and modified approximants. Zbl 0845.30025
Bultheel, Adhemar; González-Vera, Pablo; Hendriksen, Erik; Njåstad, Olav
5
1996
Solutions of the strong Stieltjes moment problem. Zbl 0841.30033
Njåstad, Olav
11
1995
Extremal solutions of the strong Stieltjes moment problem. Zbl 0857.44003
Njåstad, Olav
7
1995
Convergence of modified approximants associated with orthogonal rational functions. Zbl 0898.42008
Bultheel, Adhemar; González-Vera, Pablo; Hendriksen, Erik; Njåstad, Olav
2
1995
Favard theorem for reproducing kernels. Zbl 0851.30001
Bultheel, Adhemar; González-Vera, Pablo; Hendriksen, Erik; Njåstad, Olav
1
1995
Convergence of orthogonal rational functions. Zbl 0872.33006
Bultheel, Adhemar; González-Vera, Pablo; Hendriksen, Erik; Njåstad, Olav
1
1995
Recurrence relations for orthogonal functions. Zbl 0813.30007
Bultheel, Adhemar; González-Vera, Pablo; Hendriksen, Erik; Njåstad, Olav
17
1994
Orthogonal rational functions with poles on the unit circle. Zbl 0796.33003
Bultheel, Adhemar; González-Vera, Pablo; Hendriksen, Erik; Njåstad, Olav
16
1994
An alternative way of using Szegö polynomials in frequency analysis. Zbl 0818.33004
Jones, William B.; Njåstad, Olav; Waadeland, Haakon
16
1994
Quadrature formulas on the unit circle based on rational functions. Zbl 0809.41027
Bultheel, Adhemar; Hendriksen, Erik; González-Vera, Pablo; Njåstad, Olav
12
1994
Asymptotics for orthogonal rational functions. Zbl 0814.42012
Bultheel, Adhemar; González-Vera, Pablo; Hendriksen, Erik; Njåstad, Olav
8
1994
Quadrature formulas on the unit circle and two-point Padé approximation. Zbl 0803.41036
Bultheel, Adhemar; González-Vera, Pablo; Hendriksen, Erik; Njåstad, Olav
8
1994
Asymptotics of zeros of orthogonal and para-orthogonal Szegö polynomials in frequency analysis. Zbl 0818.33005
Jones, William B.; Njåstad, Olav; Waadeland, Haakon
6
1994
Application of Szegö polynomials to frequency analysis. Zbl 0798.33008
Jones, William B.; Njåstad, Olav; Waadeland, Haakon
5
1994
Orthogonality and boundary interpolation. Zbl 0807.41002
Bultheel, Adhemar; Gonzalez-Vera, Pablo; Hendriksen, Erik; Njåstad, Olav
4
1994
Szegő polynomials applied to frequency analysis. Zbl 0784.65105
Jones, William B.; Thron, W. J.; Njåstad, Olav; Waadeland, Haakon
27
1993
Moment problems and orthogonal functions. Zbl 0795.33003
Bultheel, Adhemar; González-Vera, Pablo; Hendriksen, Erik; Njåstad, Olav
19
1993
Convergence properties related to \(p\)-point Padé approximants of Stieltjes transforms. Zbl 0780.41012
Njåstad, Olav
6
1993
Orthogonal rational functions on the unit circle and the real line. Zbl 0824.30023
Bultheel, Adhemar; González-Vera, Pablo; Hendriksen, Erik; Njåstad, Olav
1
1993
The computation of orthogonal rational functions and their interpolating properties. Zbl 0758.65009
Bultheel, Adhemar; González-Vera, Pablo; Hendriksen, Erik; Njåstad, Olav
26
1992
Orthogonal rational functions and quadrature on the unit circle. Zbl 0786.42011
Bultheel, Adhemar; González-Vera, Pablo; Hendriksen, Erik; Njåstad, Olav
19
1992
A Favard theorem for orthogonal rational functions on the unit circle. Zbl 0786.42010
Bultheel, Adhemar; González-Vera, Pablo; Hendriksen, Erik; Njåstad, Olav
12
1992
A moment problem associated to rational Szegö functions. Zbl 0781.30030
Bultheel, Adhemar; González-Vera, Pablo; Hendriksen, Erik; Njåstad, Olav
6
1992
Asymptotics for Szegö polynomial zeros. Zbl 0791.65107
Jones, William B.; Njåstad, Olav; Waadeland, Haakon
2
1992
Applications of Szegö polynomials to digital signal processing. Zbl 0729.94002
Jones, William B.; Njåstad, Olav
19
1991
Orthogonality and quadrature on the unit circle. Zbl 0830.30022
Bultheel, Adhemar; González-Vera, Pablo; Hendriksen, Erik; Njåstad, Olav
14
1991
Orthogonal rational functions similar to Szegö polynomials. Zbl 0829.42020
Bultheel, Adhemar; González-Vera, Pablo; Hendriksen, Erik; Njåstad, Olav
12
1991
Biorthogonal Laurent polynomials with biorthogonal derivatives. Zbl 0763.33004
Hendriksen, Erik; Njåstad, Olav
8
1991
A modified Schur algorithm and an extended Hamburger moment problem. Zbl 0729.30036
Njåstad, Olav
4
1991
Szegö polynomials associated with Wiener-Levinson filters. Zbl 0718.94002
Jones, William B.; Njåstad, Olav; Saff, E. B.
26
1990
Convergence of two-point Padé approximants to series of Stieltjes. Zbl 0721.30026
González-Vera, Pablo; Njåstad, Olav
19
1990
Szegö functions and multipoint Padé approximation. Zbl 0721.30027
González-Vera, Pablo; Njåstad, Olav
8
1990
Convergence of the Schur algorithm. Zbl 0735.30034
Njåstad, Olav
2
1990
Strongly bounded holomorphic functions and corresponding PC-fractions. Zbl 0715.30006
Njåstad, Olav; Waadeland, Haakon
1
1990
Moment theory, orthogonal polynomials, quadrature, and continued fractions associated with the unit circle. Zbl 0637.30035
Jones, William B.; Njåstad, Olav; Thron, W. J.
178
1989
A Favard theorem for rational functions. Zbl 0721.30025
Hendriksen, Erik; Njåstad, Olav
8
1989
Positive multipoint Padé continued fractions. Zbl 0647.30001
Hendriksen, Erik; Njåstad, Olav
8
1989
A survey of some results on separate convergence of continued fractions. Zbl 0683.40002
Njåstad, Olav
5
1989
Laurent polynomials and Gaussian quadrature. Zbl 0707.41031
Njåstad, Olav
2
1989
Contractive Laurent fractions and nested discs. Zbl 0679.40002
Njåstad, Olav
2
1989
Some remarks on nearness problems for continued fraction expansions. Zbl 0679.40001
Njåstad, Olav; Waadeland, Haakon
1
1989
Multipoint Padé approximation and orthogonal rational functions. Zbl 0721.30003
Njåstad, Olav
12
1988
Laurent continued fractions corresponding to pairs of power series. Zbl 0689.30006
Njåstad, Olav
3
1988
Solution of the strong Hamburger moment problem by Laurent continued fractions. Zbl 0658.44007
Njåstad, Olav
3
1988
Asymptotic expansions and contractive Laurent fractions. Zbl 0601.30006
Njåstad, Olav
2
1988
...and 27 more Documents
all top 5

Cited by 626 Authors

69 Bultheel, Adhemar François
67 González-Vera, Pablo
65 Njåstad, Olav
40 Noiri, Takashi
37 Sri Ranga, Alagacone
31 Hendriksen, Erik
20 Jones, William Branham
18 Cruz-Barroso, Ruymán
18 Lasarow, Andreas
17 Díaz-Mendoza, Carlos
16 Reichel, Lothar
15 Marcellán Español, Francisco
14 Bracciali, Cleonice Fátima
14 Deckers, Karl
13 Van Deun, Joris
12 Berriochoa, Elías
12 Cachafeiro, Alicia
12 Daruis, Leyla
12 Popa, Valeriu
11 Thron, Wolfgang Joseph
10 Nasef, Arafa A.
10 Orive Rodríguez, Ramón Angel
9 Ekici, Erdal
9 Jafari, Saeid
9 Waadeland, Haakon
8 Cantero, María José
8 Jagels, Carl F.
8 Jiménez Paiz, Mateo M.
8 McCabe, John H.
8 Perdomo-Pío, Francisco
8 Petersen, Vigdis Brevik
8 Swaminathan, Anbhu
7 Castillo, Kenier
7 Fritzsche, Bernd
7 Kirstein, Bernd
7 Lubinsky, Doron S.
7 Modak, Shyamapada
7 Qian, Tao
7 Santos, Juan Carlos
7 Van Barel, Marc
6 Al-Omari, Ahmad Abdullah
6 Di Concilio, Anna
6 Hagler, Brian A.
6 Ibrahim, Hariwan Zikri
6 Lamblém, Regina Litz
6 Simon, Barry
6 Száz, Árpád
6 Tyagi, Brij Kishore
6 Velázquez, Luis
6 Veronese, Daniel O.
6 Zhedanov, Alexei S.
5 Bhardwaj, Manoj
5 Boonpok, Chawalit
5 Cooper, S. Clement
5 Costa, Marisa S.
5 Cueva, Miguel Caldas
5 Derevyagin, Maxim S.
5 Moral, Leandro
5 Naimpally, Somashekhar Amrith
5 Reilly, Ivan Leon
5 Sarsak, Mohammad S.
5 Simanek, Brian Z.
5 Singh, Sumit
5 Stanić, Marija P.
4 Behera, Kiran Kumar
4 Bonan-Hamada, Catherine M.
4 de Andrade, Eliana X. L.
4 García-Amor, José M.
4 Hušek, Miroslav
4 Li, Xin
4 Magnus, Arne
4 Mañas, Manuel
4 Milovanović, Gradimir V.
4 Przemski, Marian
4 Rosas, Ennis R.
4 Roy, Bishwambhar
4 Sivaraj, D.
4 Van Assche, Walter
4 Yuksel, Saziye
3 Abu-Donia, Hassan Mustafa
3 Acikgoz, Ahu
3 Akdağ, Metin
3 Al-Shami, Tareq Mohammed
3 Ariznabarreta, Gerardo
3 Cuyt, Annie A. M.
3 Cvetković, Aleksandar S.
3 Ganster, Maximilian
3 Garza, Luis E.
3 Godoy, Eduardo Paciência
3 Guadagni, Clara
3 Gustafson, Philip E.
3 Hamburger, Peter
3 Khachar, Hardeepbhai J.
3 Khalaf, Alias Barakat
3 Kiliçman, Adem
3 Martínez-Finkelshtein, Andrei
3 Park, Jin Han
3 Rassias, Themistocles Michael
3 Talabeigi, Amin
3 Tan, Lihui
...and 526 more Authors
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Cited in 168 Serials

120 Journal of Computational and Applied Mathematics
43 Acta Mathematica Hungarica
37 Journal of Approximation Theory
31 Numerical Algorithms
30 Journal of Mathematical Analysis and Applications
28 Chaos, Solitons and Fractals
23 Rocky Mountain Journal of Mathematics
17 Mathematics of Computation
17 Applied Numerical Mathematics
15 Linear Algebra and its Applications
14 Rendiconti del Circolo Matemàtico di Palermo. Serie II
11 Topology and its Applications
10 Applied Mathematics and Computation
10 International Journal of Mathematics and Mathematical Sciences
10 Boletim da Sociedade Paranaense de Matemática. Terceira Série
9 Proceedings of the American Mathematical Society
8 Mathematische Nachrichten
8 Filomat
8 South East Asian Journal of Mathematics and Mathematical Sciences
7 Fuzzy Sets and Systems
7 Numerische Mathematik
7 Journal of the Egyptian Mathematical Society
6 Demonstratio Mathematica
6 Mathematica Slovaca
6 Constructive Approximation
5 Computers & Mathematics with Applications
5 Advances in Mathematics
5 Transactions of the American Mathematical Society
5 Acta Applicandae Mathematicae
5 European Journal of Pure and Applied Mathematics
5 Applied General Topology
5 Journal of Linear and Topological Algebra
4 Proceedings of the Edinburgh Mathematical Society. Series II
4 Proyecciones
3 Bulletin of the Australian Mathematical Society
3 Journal d’Analyse Mathématique
3 Journal of Computational Physics
3 Mathematical Methods in the Applied Sciences
3 Periodica Mathematica Hungarica
3 Fasciculi Mathematici
3 Numerical Functional Analysis and Optimization
3 Studies in Applied Mathematics
3 Journal of Complexity
3 Tatra Mountains Mathematical Publications
3 Computational and Applied Mathematics
3 ETNA. Electronic Transactions on Numerical Analysis
3 Integral Transforms and Special Functions
3 Analysis (München)
3 Acta et Commentationes Universitatis Tartuensis de Mathematica
3 Journal of the Australian Mathematical Society
3 JP Journal of Geometry and Topology
3 Afrika Matematika
2 Acta Mathematica Academiae Scientiarum Hungaricae
2 Journal of Statistical Physics
2 Mathematical Notes
2 Annali di Matematica Pura ed Applicata. Serie Quarta
2 Automatica
2 Calcolo
2 Commentationes Mathematicae Universitatis Carolinae
2 Czechoslovak Mathematical Journal
2 Journal of Functional Analysis
2 Matematički Vesnik
2 Mathematische Annalen
2 Mathematische Zeitschrift
2 Monatshefte für Mathematik
2 Systems & Control Letters
2 SIAM Journal on Matrix Analysis and Applications
2 SIAM Journal on Mathematical Analysis
2 Applied and Computational Harmonic Analysis
2 Georgian Mathematical Journal
2 Abstract and Applied Analysis
2 Communications de la Faculté des Sciences de l’Université d’Ankara. Séries A1. Mathematics and Statistics
2 Applied Sciences
2 Bulletin of the Malaysian Mathematical Sciences Society. Second Series
2 Computational Methods and Function Theory
2 Missouri Journal of Mathematical Sciences
2 Hacettepe Journal of Mathematics and Statistics
2 Thai Journal of Mathematics
2 Cubo
2 Boundary Value Problems
2 SIGMA. Symmetry, Integrability and Geometry: Methods and Applications
2 Complex Analysis and Operator Theory
2 Advances in Fuzzy Systems
2 Revista de la Real Academia de Ciencias Exactas, Físicas y Naturales. Serie A: Matemáticas. RACSAM
2 Journal of Advanced Studies in Topology
2 Iranian Journal of Mathematical Sciences and Informatics
2 Palestine Journal of Mathematics
2 Journal of Classical Analysis
2 Journal of Mathematics
2 International Journal of Analysis and Applications
2 Cogent Mathematics
1 Communications in Mathematical Physics
1 Journal of the Franklin Institute
1 Journal of Mathematical Physics
1 Ukrainian Mathematical Journal
1 Wave Motion
1 Arkiv för Matematik
1 Duke Mathematical Journal
1 Functiones et Approximatio. Commentarii Mathematici
1 Glasgow Mathematical Journal
...and 68 more Serials
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Cited in 51 Fields

290 General topology (54-XX)
216 Harmonic analysis on Euclidean spaces (42-XX)
154 Approximations and expansions (41-XX)
134 Functions of a complex variable (30-XX)
126 Numerical analysis (65-XX)
121 Special functions (33-XX)
33 Operator theory (47-XX)
32 Linear and multilinear algebra; matrix theory (15-XX)
29 Integral transforms, operational calculus (44-XX)
27 Information and communication theory, circuits (94-XX)
16 Sequences, series, summability (40-XX)
15 Functional analysis (46-XX)
13 Systems theory; control (93-XX)
10 Real functions (26-XX)
10 Ordinary differential equations (34-XX)
10 Dynamical systems and ergodic theory (37-XX)
9 Order, lattices, ordered algebraic structures (06-XX)
8 Mathematical logic and foundations (03-XX)
8 Computer science (68-XX)
6 Topological groups, Lie groups (22-XX)
6 Partial differential equations (35-XX)
5 Measure and integration (28-XX)
5 Abstract harmonic analysis (43-XX)
5 Probability theory and stochastic processes (60-XX)
4 Number theory (11-XX)
4 Potential theory (31-XX)
4 Several complex variables and analytic spaces (32-XX)
4 Global analysis, analysis on manifolds (58-XX)
4 Statistical mechanics, structure of matter (82-XX)
3 Combinatorics (05-XX)
3 Manifolds and cell complexes (57-XX)
2 General and overarching topics; collections (00-XX)
2 Category theory; homological algebra (18-XX)
2 Statistics (62-XX)
2 Fluid mechanics (76-XX)
2 Optics, electromagnetic theory (78-XX)
1 General algebraic systems (08-XX)
1 Field theory and polynomials (12-XX)
1 Commutative algebra (13-XX)
1 Algebraic geometry (14-XX)
1 Associative rings and algebras (16-XX)
1 Nonassociative rings and algebras (17-XX)
1 Group theory and generalizations (20-XX)
1 Difference and functional equations (39-XX)
1 Calculus of variations and optimal control; optimization (49-XX)
1 Differential geometry (53-XX)
1 Mechanics of deformable solids (74-XX)
1 Quantum theory (81-XX)
1 Geophysics (86-XX)
1 Operations research, mathematical programming (90-XX)
1 Biology and other natural sciences (92-XX)

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