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Everitt, William Norrie

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Author ID: everitt.w-norrie Recent zbMATH articles by "Everitt, William Norrie"
Published as: Everitt, W. N.; Everitt, W. Norrie; Everitt, William N.
External Links: MGP
Documents Indexed: 218 Publications since 1957, including 15 Books
all top 5

Co-Authors

60 single-authored
32 Littlejohn, Lance L.
20 Giertz, Magnus
19 Zettl, Anton
12 Evans, William Desmond
11 Markus, Lawrence
9 Markett, Clemens
8 Wellman, Richard
6 Bailey, Paul B.
6 Das, Jyoti
6 Kwon, Kil Hyun
5 Krall, Allan M.
5 Nasri-Roudsari, Gabriele
4 Atkinson, Frederick Valentine
4 Brown, B. Malcolm
4 Hayman, Walter Kurt
4 Hinton, Don Barker
4 Kalf, Hubert
4 Race, David
4 Sleeman, Brian D.
4 Williams, S. C. R.
3 Amos, R. J.
3 Bennewitz, Christer
3 Bradley, John S.
3 Poulkou, Anthippi
3 Sircar, Annapurna
2 Ashurov, Ravshan R.
2 Chisholm, R. S.
2 Jones, Douglas Samuel
2 Kirby, V. G.
2 Knowles, Ian Walker
2 Kumar, Krishna B.
2 Loveland, S. M.
2 Möller, Manfred
2 Onyango-Otieno, V. P.
2 Plum, Michael
2 Weidmann, Joachim
2 Wray, S. D.
1 Albeverio, Sergio A.
1 Bandle, Catherine
1 Benammar, Meryem
1 Beynon, Malcolm James
1 Billingham, John
1 Brodlie, Kenneth W.
1 Browne, Patrick J.
1 Butzer, Paul Leo
1 Clarke, Francis Willoughby
1 Cooper, Richard J.
1 Dias, N. G. J.
1 Elander, Nils
1 Elworthy, K. David
1 García, Antonio G.
1 Guan, Keying
1 Guinand, André-Paul
1 Gunson, Jack
1 Halvorsen, S. Gotskalk
1 Hernández-Medina, Miguel Ángel
1 Johansson, B. Tomas
1 Key, Jennifer D.
1 King, Andrew C.
1 Kong, Qingkai
1 Kurasov, Pavel B.
1 Kwong, Man Kam
1 Lee, E. Bruce
1 Lee, Jay Kyoon
1 Lewis, Roger T.
1 Losonczi, László
1 Man Kam Kwong
1 Marić, Vojislav
1 Marletta, Marco
1 McLeod, John Bryce
1 Muldowney, James S.
1 Muzzulini, M.
1 Neuman, František
1 Og, K. S.
1 Read, Thomas T.
1 Rehberg, Joachim
1 Ruscheweyh, Stephan
1 Shaw, J. K.
1 Shubin, C.
1 Stolz, Gunter
1 Thandi, Neeza
1 Vorster, S. J. Roelof
1 Walter, Wolfgang
1 Wong, James S. W.
1 Wu, Hongyou
1 Yoon, Goog-Joong
all top 5

Serials

21 Proceedings of the Royal Society of Edinburgh. Section A. Mathematics
15 The Quarterly Journal of Mathematics. Oxford Second Series
14 Journal of Computational and Applied Mathematics
11 Proceedings of the London Mathematical Society. Third Series
7 Applicable Analysis
7 Journal of the London Mathematical Society. Second Series
7 Quaestiones Mathematicae
6 Results in Mathematics
6 Journal of the London Mathematical Society
6 Lecture Notes in Mathematics
4 Journal of Mathematical Analysis and Applications
4 Mathematische Annalen
4 Rendiconti di Matematica e delle sue Applicazioni. Serie VII
3 American Mathematical Monthly
3 Czechoslovak Mathematical Journal
3 Memoirs of the American Mathematical Society
3 Transactions of the American Mathematical Society
3 Differential and Integral Equations
3 Nieuw Archief voor Wiskunde. Derde Serie
3 Proceedings of the Royal Society of London. Series A. Mathematical and Physical Sciences
3 Journal of Inequalities and Applications
2 Rocky Mountain Journal of Mathematics
2 ZAMP. Zeitschrift für angewandte Mathematik und Physik
2 Journal of Differential Equations
2 Mathematische Nachrichten
2 Proceedings of the American Mathematical Society
2 Lecture Notes in Pure and Applied Mathematics
1 Archive for Rational Mechanics and Analysis
1 IMA Journal of Applied Mathematics
1 Journal d’Analyse Mathématique
1 The Mathematical Gazette
1 ACM Transactions on Mathematical Software
1 Canadian Journal of Mathematics
1 Časopis Pro Pěstování Matematiky
1 Glasgow Mathematical Journal
1 Journal of Approximation Theory
1 Mathematische Zeitschrift
1 Constructive Approximation
1 SIAM Journal on Mathematical Analysis
1 Bulletin of the American Mathematical Society. New Series
1 Integral Transforms and Special Functions
1 Proceedings of the Royal Society of London. Series A. Mathematical, Physical and Engineering Sciences
1 Journal of Computational Analysis and Applications
1 Computational Methods and Function Theory
1 Proceedings of the Glasgow Mathematical Association
1 ISNM. International Series of Numerical Mathematics
1 Mathematical Surveys and Monographs
1 Operator Theory: Advances and Applications

Publications by Year

Citations contained in zbMATH Open

182 Publications have been cited 1,893 times in 944 Documents Cited by Year
Boundary value problems and symplectic algebra for ordinary differential and quasi-differential operators. Zbl 0909.34001
Everitt, W. Norrie; Markus, Lawrence
53
1999
Algorithm 810: The SLEIGN2 Sturm-Liouville code. Zbl 1070.65576
Bailey, P. B.; Everitt, W. N.; Zettl, A.
52
2001
Some properties of the domains of certain differential operators. Zbl 0224.34018
Everitt, W. N.; Giertz, M.
43
1971
Generalized symmetric ordinary differential expressions. I: The general theory. Zbl 0451.34009
Everitt, W. N.; Zettl, A.
42
1979
Computing eigenvalues of singular Sturm-Liouville problems. Zbl 0755.65082
Bailey, P. B.; Everitt, W. N.; Zettl, A.
40
1991
On a property of the m-coefficient of a second order linear differential equation. Zbl 0262.34012
Everitt, W. N.
40
1972
Jacobi-Stirling numbers, Jacobi polynomials, and the left-definite analysis of the classical Jacobi differential expression. Zbl 1119.33009
Everitt, W. N.; Kwon, K. H.; Littlejohn, L. L.; Wellman, R.; Yoon, G. J.
37
2007
Regular approximations of singular Sturm-Liouville problems. Zbl 0778.34015
Bailey, P. B.; Everitt, W. N.; Weidmann, J.; Zettl, A.
37
1993
The Bessel differential equation and the Hankel transform. Zbl 1144.34013
Everitt, W. N.; Kalf, H.
33
2007
Sturm-Liouville differential operators in direct sum spaces. Zbl 0624.34020
Everitt, W. N.; Zettl, A.
31
1986
On some properties of the powers of a formally self-adjoint differential expression. Zbl 0243.34046
Everitt, W. N.; Giertz, M.
31
1972
Some inequalities associated with certain ordinary differential operators. Zbl 0238.47029
Everitt, William N.; Giertz, Magnus
31
1972
Some remarks on a separation and limit-point criterion of second-order, ordinary differential expressions. Zbl 0235.34045
Everitt, W. N.; Giertz, M.; Weidmann, J.
28
1973
On necessary and sufficient conditions for the existence of Caratheodory solutions of ordinary differential equations. Zbl 0392.34002
Everitt, W. N.; Race, David
27
1978
Complex symplectic geometry with applications to ordinary differential operators. Zbl 0936.34005
Everitt, W. N.; Markus, L.
26
1999
Legendre polynomials, Legendre–Stirling numbers, and the left-definite spectral analysis of the Legendre differential expression. Zbl 1014.33003
Everitt, W. N.; Littlejohn, L. L.; Wellman, R.
24
2002
Orthogonal polynomial solutions of linear ordinary differential equations. Zbl 0993.33004
Everitt, W. N.; Kwon, K. H.; Littlejohn, L. L.; Wellman, R.
24
2001
Differential operators generated by a countable number of quasi-differential expressions on the line. Zbl 0723.34022
Everitt, W. N.; Zettl, A.
22
1992
Inequalities and separation for Schrödinger type operators in \(L_2(R^2)\). Zbl 0423.35043
Everitt, W. N.; Giertz, M.
22
1977
On the limit-point classification of second-order differential operators. Zbl 0145.10604
Everitt, W. N.
22
1966
A return to the Hardy-Littlewood integral inequality. Zbl 0487.26005
Evans, W. D.; Everitt, W. N.
21
1982
On the strong and weak limit-point classification of second-order differential expressions. Zbl 0302.34022
Everitt, W. N.; Giertz, M.; McLeod, J. B.
21
1974
A catalogue of Sturm-Liouville differential equations. Zbl 1088.34017
Everitt, W. Norrie
20
2005
Some remarks on linear ordinary quasi-differential expressions. Zbl 0582.34007
Everitt, W. N.; Race, D.
20
1987
Oscillation of eigenfunctions of weighted regular Sturm-Liouville problems. Zbl 0529.34039
Everitt, W. N.; Kwong, Man Kam; Zettl, A.
20
1983
On the strong limit-n classification of linear ordinary differential expressions of order 2n. Zbl 0305.34040
Everitt, W. N.; Hinton, D. B.; Wong, J. S. W.
20
1974
Fourth order singular differential equations. Zbl 0111.08501
Everitt, W. N.
20
1963
On a class of integral inequalities. Zbl 0388.26007
Everitt, W. N.; Zettl, A.
19
1978
Integrable-square solutions of ordinary differential equations. III. Zbl 0123.05001
Everitt, W. N.
19
1963
Integrable-square solutions of ordinary differential equations. Zbl 0087.29501
Everitt, W. N.
19
1959
Sturm-Liouville boundary value problems and Lagrange interpolation series. Zbl 0813.34028
Everitt, W. N.; Schöttler, G.; Butzer, P. L.
18
1994
Limit-point and limit-circle criteria for Sturm-Liouville equations with intermittently negative principal coefficients. Zbl 0635.34021
Everitt, W. N.; Knowles, I. W.; Read, T. T.
18
1986
A note on the Dirichlet condition for second-order differential expressions. Zbl 0338.34011
Everitt, W. N.
18
1976
On the square of a formally self-adjoint differential expression. Zbl 0191.38402
Chaudhuri, J.; Everitt, W. N.
18
1969
Singular differential equations. I: The even order case. Zbl 0145.10902
Everitt, W. N.
18
1964
Orthogonal polynomials and spectral theory: A survey. Zbl 0837.33002
Everitt, W. N.; Littlejohn, L. L.
17
1991
On the asymptotic form of the Titchmarsh-Weyl m-coefficient. Zbl 0406.34047
Everitt, W. N.; Halvorsen, S. G.
16
1978
Singular differential equations. II: Some self-adjoint even order cases. Zbl 0153.40402
Everitt, W. N.
16
1967
A note on the analytic form of the Kramer sampling theorem. Zbl 0917.30024
Everitt, W. N.; Nasri-Roudsari, G.; Rehberg, J.
15
1998
Discontinuous dependence of the \(n\)-th Sturm-Liouville eigenvalue. Zbl 0886.34023
Everitt, W. N.; Möller, M.; Zettl, A.
15
1997
Regular and singular Sturm-Liouville problems with coupled boundary conditions. Zbl 0855.34026
Bailey, P. B.; Everitt, W. N.; Zettl, A.
15
1996
Orthogonal polynomials in weighted Sobolev spaces. Zbl 0676.33005
Everitt, W. N.; Littlejohn, L. L.; Williams, S. C.
15
1989
On second-order left-definite boundary value problems. Zbl 0544.34015
Bennewitz, C.; Everitt, W. N.
15
1983
On the Titchmarsh-Weyl theory of ordinary symmetric differential expressions. I: The general theory. Zbl 0339.34019
Everitt, W. N.; Kumar, Krishna
15
1976
On some properties of the domain of powers of certain differential operators. Zbl 0258.34007
Everitt, W. N.; Giertz, M.
15
1972
The Sobolev orthogonality and spectral analysis of the Laguerre polynomials \(\{L_{n}^{-k}\}\) for positive integers \(k\). Zbl 1063.33009
Everitt, W. N.; Littlejohn, L. L.; Wellman, R.
14
2004
An integral operator inequality with applications. Zbl 0936.47029
Chisholm, R. S.; Everitt, W. N.; Littlejohn, L. L.
14
1999
On some properties of the Legendre type differential expression. Zbl 0705.33007
Everitt, W. N.; Krall, A. M.; Littlejohn, L. L.
14
1990
The density of polynomials in a weighted Sobolev space. Zbl 0765.41008
Everitt, W. N.; Littlejohn, L. L.
14
1990
On an extension to an integro-differential inequality of Hardy, Littlewood and Polya. Zbl 0268.26013
Everitt, W. N.
14
1972
On the spectrum of ordinary second order differential operators. Zbl 0194.17104
Chaudhuri, J.; Everitt, W. N.
14
1969
On the limit-point classification of fourth-order differential equations. Zbl 0162.39201
Everitt, W. N.
14
1969
A note on the self-adjoint domains of second-order differential equations. Zbl 0115.30003
Everitt, W. N.
14
1963
On Lagrange-type interpolation series and analytic Kramer kernels. Zbl 1136.94003
Everitt, W. Norrie; García, Antonio G.; Hernández-Medina, Miguel Angel
13
2008
The Titchmarsh-Weyl eigenfunction expansion theorem for Sturm-Liouville differential equations. Zbl 1168.34319
Bennewitz, Christer; Everitt, W. Norrie
13
2005
Orthogonal polynomials which satisfy second order differential equations. Zbl 0492.42027
Atkinson, F. V.; Everitt, W. N.
13
1981
On the Titchmarsh-Weyl theory of ordinary symmetric differential expressions. II: The odd-order case. Zbl 0338.34012
Everitt, W. N.; Kumar, Krishna
13
1976
Complex symplectic spaces and boundary value problems. Zbl 1091.46002
Everitt, W. N.; Markus, L.
12
2005
On the representation of holomorphic functions by integrals. Zbl 0907.30043
Everitt, W. N.; Hayman, W. K.; Nasri-Roudsari, G.
12
1997
On a generalization of Bessel functions satisfying higher-order differential equations. Zbl 0827.33003
Everitt, W. N.; Markett, C.
12
1994
Orthogonal polynomials and approximation in Sobolev spaces. Zbl 0796.42020
Everitt, W. N.; Littlejohn, L. L.; Williams, S. C.
12
1993
Differential operators and the Legendre type polynomials. Zbl 0727.34021
Everitt, W. N.; Littlejohn, L. L.
12
1988
On the spectrum of a second order linear differential equation with a p- integrable coefficient. Zbl 0255.34019
Everitt, W. N.
12
1972
Integrable-square, analytic solutions of odd-order, formally symmetric, ordinary differential equations. Zbl 0254.34024
Everitt, W. N.
12
1972
Some positive definite differential operators. Zbl 0162.39202
Everitt, W. N.
12
1968
Elliptic partial differential operators and symplectic algebra. Zbl 1021.35033
Everitt, W. N.; Markus, L.
11
2003
The left-definite spectral theory for the classical Hermite differential equation. Zbl 1091.47506
Everitt, W. N.; Littlejohn, L. L.; Wellman, R.
11
2000
Sturm-Liouville problems with coupled boundary conditions and Lagrange interpolation series. II. Zbl 0998.34023
Everitt, W. N.; Nasri-Roudsari, G.
10
2000
Sturm-Liouville problems with coupled boundary conditions and Lagrange interpolation series. Zbl 0944.34019
Everitt, W. N.; Nasri-Roudsari, G.
10
1999
The Glazman-Krein-Naimark theorem for ordinary differential operators. Zbl 0889.34067
Everitt, W. N.; Markus, L.
10
1997
HELP inequalities for limit-circle and regular problems. Zbl 0724.34086
Evans, W. D.; Everitt, W. N.
10
1991
Bounds for the point spectrum for a Sturm-Liouville equation. Zbl 0426.34015
Atkinson, F. V.; Everitt, W. N.
10
1978
On the deficiency index problem for ordinary differential operators 1910- 1976. Zbl 0405.34021
Everitt, W. N.
10
1977
On the integrable-square classification of ordinary symmetric differential expressions. Zbl 0317.34013
Everitt, W. N.; Giertz, M.
10
1975
On the m-coefficient of Weyl for a differential equation with an indefinite weight function. Zbl 0305.34039
Atkinson, F. V.; Everitt, W. N.; Og, K. S.
10
1974
On bounded integral operators in the space of integrable-square functions. Zbl 0259.47044
Chisholm, R. S.; Everitt, W. N.
10
1971
A personal history of the \(m\)-coefficient. Zbl 1061.34015
Everitt, W. N.
9
2004
Regularization of a Sturm-Liouville problem with an interior singularity using quasi-derivatives. Zbl 0715.34043
Atkinson, F. V.; Everitt, W. N.; Zettl, A.
9
1988
The asymptotic form of the Titchmarsh-Weyl coefficient for Dirac systems. Zbl 0489.34010
Everitt, W. N.; Hinton, D. B.; Shaw, J. K.
9
1983
On the transformation theory of ordinary second-order linear symmetric differential expressions. Zbl 0526.34026
Everitt, W. N.
9
1982
Legendre polynomials and singular differential operators. Zbl 0453.34021
Everitt, W. N.
9
1980
On the inequality \(\| f'' \| ^2 \leq K \| f \| \;\| f^{(4)} \|\). Zbl 0289.26013
Bradley, J. S.; Everitt, W. N.
9
1974
On the limit-circle classification of second-order differential expressions. Zbl 0256.34028
Everitt, W. N.
9
1972
Self-adjoint boundary value problems on finite intervals. Zbl 0131.31107
Everitt, W. N.
9
1962
The Sturm-Liouville problem for fourth-order differential equations. Zbl 0077.29202
Everitt, W. N.
9
1957
Properties of the solutions of the fourth-order Bessel-type differential equation. Zbl 1204.34121
Everitt, W. N.; Markett, C.; Littlejohn, L. L.
8
2009
Kramer analytic kernels and first-order boundary value problems. Zbl 1019.34031
Everitt, W. N.; Poulkou, Anthippi
8
2002
The symmetric form of the Koekoeks’ Laguerre type differential equation. Zbl 0827.33004
Everitt, W. N.; Littlejohn, L. L.; Wellman, R.
8
1995
Products of differential expressions without smoothness assumptions. Zbl 0397.34020
Everitt, W. N.; Zettl, A.
8
1978
A Dirichlet type result for ordinary differential operators. Zbl 0241.34066
Everitt, W. N.; Giertz, M.
8
1973
Integrable-square solutions of ordinary differential equations. II. Zbl 0108.08103
Everitt, W. N.
8
1962
Inequalities for Gram determinants. Zbl 0078.04905
Everitt, W. N.
8
1957
An unusual self-adjoint linear partial differential operator. Zbl 1081.35022
Everitt, W. N.; Markus, L.; Plum, M.
7
2005
The fourth-order Bessel-type differential equation. Zbl 1053.34013
Das, Jyoti; Everitt, W. N.; Hinton, D. B.; Littlejohn, L. L.; Markett, C.
7
2004
On properties of the Legendre differential expression. Zbl 1058.33008
Everitt, W. N.; Littlejohn, L. L.; Marić, V.
7
2002
Multi-interval linear ordinary boundary value problems and complex symplectic algebra. Zbl 0982.47032
Everitt, W. N.; Markus, L.
7
2001
Differential operators and Laguerre type polynomials. Zbl 0772.33004
Everitt, W. N.; Krall, A. M.; Littlejohn, L. L.; Onyango-Otieno
7
1992
Inequalities and separation for certain ordinary differential operators. Zbl 0278.34009
Everitt, W. N.; Giertz, M.
7
1974
On certain regular ordinary differential expressions and related differential operators. Zbl 0494.34015
Everitt, W. N.
6
1981
On the deficiency indices of powers of formally symmetric differential expressions. With three Addenda by T. T. Read, R. M. Kauffman and Anton Zettl. Zbl 0315.34010
Everitt, W. N.; Giertz, M.
6
1975
Solution bases for the fourth-order Bessel-type and Laguerre-type differential equations. Zbl 1223.33014
Everitt, W. Norrie; Markett, Clemens
1
2011
Properties of the solutions of the fourth-order Bessel-type differential equation. Zbl 1204.34121
Everitt, W. N.; Markett, C.; Littlejohn, L. L.
8
2009
Fourier-Bessel-type series: the fourth-order case. Zbl 1183.33008
Everitt, W. N.; Markett, C.
2
2009
Quasi-separation of the biharmonic partial differential equation. Zbl 1185.35065
Everitt, W. N.; Johansson, B. T.; Littlejohn, L. L.; Markett, C.
1
2009
On Lagrange-type interpolation series and analytic Kramer kernels. Zbl 1136.94003
Everitt, W. Norrie; García, Antonio G.; Hernández-Medina, Miguel Angel
13
2008
Fourier-Bessel series for second-order and fourth-order Bessel differential equations. Zbl 1152.34062
Everitt, W. Norrie; Markett, Clemens
2
2008
Weyl’s work on singular Sturm-Liouville operators. Zbl 1168.34018
Everitt, W. N.; Kalf, H.
1
2008
Jacobi-Stirling numbers, Jacobi polynomials, and the left-definite analysis of the classical Jacobi differential expression. Zbl 1119.33009
Everitt, W. N.; Kwon, K. H.; Littlejohn, L. L.; Wellman, R.; Yoon, G. J.
37
2007
The Bessel differential equation and the Hankel transform. Zbl 1144.34013
Everitt, W. N.; Kalf, H.
33
2007
Fourth-order Bessel-type special functions: a survey. Zbl 1221.33009
Everitt, W. N.
3
2007
A continuum of unusual self-adjoint linear partial differential operators. Zbl 1134.35041
Everitt, W. N.; Markus, L.; Muzzulini, M.; Plum, M.
3
2007
Fourth-order Bessel equation: eigenpackets and a generalized Hankel transform. Zbl 1200.33009
Everitt, W. N.; Kalf, H.; Littlejohn, L. L.; Markett, C.
5
2006
A catalogue of Sturm-Liouville differential equations. Zbl 1088.34017
Everitt, W. Norrie
20
2005
The Titchmarsh-Weyl eigenfunction expansion theorem for Sturm-Liouville differential equations. Zbl 1168.34319
Bennewitz, Christer; Everitt, W. Norrie
13
2005
Complex symplectic spaces and boundary value problems. Zbl 1091.46002
Everitt, W. N.; Markus, L.
12
2005
An unusual self-adjoint linear partial differential operator. Zbl 1081.35022
Everitt, W. N.; Markus, L.; Plum, M.
7
2005
Additional spectral properties of the fourth-order Bessel-type differential equation. Zbl 1099.33003
Everitt, W. N.; Kalf, H.; Littlejohn, L. L.; Markett, C.
5
2005
The Sobolev orthogonality and spectral analysis of the Laguerre polynomials \(\{L_{n}^{-k}\}\) for positive integers \(k\). Zbl 1063.33009
Everitt, W. N.; Littlejohn, L. L.; Wellman, R.
14
2004
A personal history of the \(m\)-coefficient. Zbl 1061.34015
Everitt, W. N.
9
2004
The fourth-order Bessel-type differential equation. Zbl 1053.34013
Das, Jyoti; Everitt, W. N.; Hinton, D. B.; Littlejohn, L. L.; Markett, C.
7
2004
Infinite dimensional complex symplectic spaces. Zbl 1054.46019
Everitt, W. N.; Markus, L.
5
2004
Elliptic partial differential operators and symplectic algebra. Zbl 1021.35033
Everitt, W. N.; Markus, L.
11
2003
On some eigenvalue problems in fuel-cell dynamics. Zbl 1056.34091
Bailey, P. B.; Billingham, J.; Cooper, R. J.; Everitt, W. N.; King, A. C.; Kong, Q.; Wu, H.; Zettl, A.
2
2003
Some observations and remarks on differential operators generated by first-order boundary value problems. Zbl 1051.47037
Everitt, W. N.; Poulkou, Anthippi
2
2003
Legendre polynomials, Legendre–Stirling numbers, and the left-definite spectral analysis of the Legendre differential expression. Zbl 1014.33003
Everitt, W. N.; Littlejohn, L. L.; Wellman, R.
24
2002
Kramer analytic kernels and first-order boundary value problems. Zbl 1019.34031
Everitt, W. N.; Poulkou, Anthippi
8
2002
On properties of the Legendre differential expression. Zbl 1058.33008
Everitt, W. N.; Littlejohn, L. L.; Marić, V.
7
2002
Linear operators generated by a countable number of quasi-differential expressions. Zbl 1049.47043
Ashurov, R. R.; Everitt, W. N.
3
2002
Algorithm 810: The SLEIGN2 Sturm-Liouville code. Zbl 1070.65576
Bailey, P. B.; Everitt, W. N.; Zettl, A.
52
2001
Orthogonal polynomial solutions of linear ordinary differential equations. Zbl 0993.33004
Everitt, W. N.; Kwon, K. H.; Littlejohn, L. L.; Wellman, R.
24
2001
Multi-interval linear ordinary boundary value problems and complex symplectic algebra. Zbl 0982.47032
Everitt, W. N.; Markus, L.
7
2001
Inequalities and eigenvalues of Sturm-Liouville problems near a singular boundary. Zbl 1006.34024
Everitt, W. N.; Marletta, M.; Zettl, A.
5
2001
Self-adjoint operators generated from non-Lagrangian symmetric differential equations having orthogonal polynomial eigenfunctions. Zbl 1016.33009
Everitt, W. N.; Kwon, K. H.; Lee, J. K.; Littlejohn, L. L.; Williams, S. C.
2
2001
The left-definite spectral theory for the classical Hermite differential equation. Zbl 1091.47506
Everitt, W. N.; Littlejohn, L. L.; Wellman, R.
11
2000
Sturm-Liouville problems with coupled boundary conditions and Lagrange interpolation series. II. Zbl 0998.34023
Everitt, W. N.; Nasri-Roudsari, G.
10
2000
Linear quasi-differential operators in locally integrable spaces on the real line. Zbl 0961.34046
Ashurov, R. R.; Everitt, W. N.
3
2000
Boundary value problems and symplectic algebra for ordinary differential and quasi-differential operators. Zbl 0909.34001
Everitt, W. Norrie; Markus, Lawrence
53
1999
Complex symplectic geometry with applications to ordinary differential operators. Zbl 0936.34005
Everitt, W. N.; Markus, L.
26
1999
An integral operator inequality with applications. Zbl 0936.47029
Chisholm, R. S.; Everitt, W. N.; Littlejohn, L. L.
14
1999
Sturm-Liouville problems with coupled boundary conditions and Lagrange interpolation series. Zbl 0944.34019
Everitt, W. N.; Nasri-Roudsari, G.
10
1999
Sturm-Liouville problems and discontinuous eigenvalues. Zbl 0933.34015
Everitt, W. N.; Möller, M.; Zettl, A.
4
1999
H. J. S. Smith and the Fermat two squares theorem. Zbl 1029.01006
Clarke, F. W.; Everitt, W. N.; Littlejohn, L. L.; Vorster, S. J. R.
1
1999
A note on the analytic form of the Kramer sampling theorem. Zbl 0917.30024
Everitt, W. N.; Nasri-Roudsari, G.; Rehberg, J.
15
1998
A catalogue of HELP and HELP-type integral and series inequalities. Zbl 0898.26005
Benammar, M.; Bennewitz, C.; Beynon, M. J.; Brown, B. M.; Dias, N. G. J.; Evans, W. D.; Everitt, W. N.; Kirby, V. G.; Littlejohn, L. L.
2
1998
Five integral inequalities; an inheritance from Hardy and Littlewood. Zbl 0909.26007
Evans, W. D.; Everitt, W. N.; Hayman, W. K.; Jones, D. S.
1
1998
Discontinuous dependence of the \(n\)-th Sturm-Liouville eigenvalue. Zbl 0886.34023
Everitt, W. N.; Möller, M.; Zettl, A.
15
1997
On the representation of holomorphic functions by integrals. Zbl 0907.30043
Everitt, W. N.; Hayman, W. K.; Nasri-Roudsari, G.
12
1997
The Glazman-Krein-Naimark theorem for ordinary differential operators. Zbl 0889.34067
Everitt, W. N.; Markus, L.
10
1997
On the spectral analysis of the Laguerre polynomials \(\{L_ n^{-k}(x)\}\) for positive integers \(k\). Zbl 0885.34065
Everitt, W. N.; Kwon, K. H.; Littlejohn, L. L.; Wellman, R.
5
1997
Sturm-Liouville problems with an infinite number of interior singularities. Zbl 0881.34039
Everitt, W. N.; Shubin, C.; Stolz, G.; Zettl, A.
3
1997
Regular and singular Sturm-Liouville problems with coupled boundary conditions. Zbl 0855.34026
Bailey, P. B.; Everitt, W. N.; Zettl, A.
15
1996
The symmetric form of the Koekoeks’ Laguerre type differential equation. Zbl 0827.33004
Everitt, W. N.; Littlejohn, L. L.; Wellman, R.
8
1995
The Laguerre type operator in a left definite Hilbert space. Zbl 0837.34082
Krall, Allan M.; Everitt, W. N.; Littlejohn, L. L.; Onyango-Otieno, V. P.
5
1995
Sturm-Liouville boundary value problems and Lagrange interpolation series. Zbl 0813.34028
Everitt, W. N.; Schöttler, G.; Butzer, P. L.
18
1994
On a generalization of Bessel functions satisfying higher-order differential equations. Zbl 0827.33003
Everitt, W. N.; Markett, C.
12
1994
Properties of the operator domains of the fourth-order Legendre-type differential expressions. Zbl 0803.34014
Everitt, W. N.; Littlejohn, L. L.; Loveland, S. M.
4
1994
Some remarks on the Titchmarsh-Weyl \(m\)-coefficient and associated differential operators. Zbl 0793.34060
Everitt, W. Norrie
3
1994
Two integral inequalities. Zbl 0882.26009
Brown, B. M.; Evans, W. D.; Everitt, W. N.; Kirby, V. G.
2
1994
Regular approximations of singular Sturm-Liouville problems. Zbl 0778.34015
Bailey, P. B.; Everitt, W. N.; Weidmann, J.; Zettl, A.
37
1993
Orthogonal polynomials and approximation in Sobolev spaces. Zbl 0796.42020
Everitt, W. N.; Littlejohn, L. L.; Williams, S. C.
12
1993
Some properties of the sixth-order Legendre-type differential expression. Zbl 0805.34025
Everitt, W. N.; Littlejohn, L. L.; Loveland, S. M.
4
1993
Real orthogonalizing weights for Bessel polynomials. Zbl 0792.33009
Evans, W. D.; Everitt, W. N.; Kwon, K. H.; Littlejohn, L. L.
3
1993
On the completeness of orthogonal polynomials in left-definite Sobolev spaces. Zbl 0856.33007
Everitt, W. N.; Littlejohn, L. L.; Wellman, R.
1
1993
On the relation between distinct particular solutions of equation \(y'=\sum^ n_{i=0} a_ i(x) y^ i\). Zbl 0836.34006
Guan, Keying; Everitt, W. N.
1
1993
Differential operators generated by a countable number of quasi-differential expressions on the line. Zbl 0723.34022
Everitt, W. N.; Zettl, A.
22
1992
Differential operators and Laguerre type polynomials. Zbl 0772.33004
Everitt, W. N.; Krall, A. M.; Littlejohn, L. L.; Onyango-Otieno
7
1992
The regular representation of singular second-order differential expressions using quasi-derivatives. Zbl 0771.34020
Everitt, W. N.; Race, D.
3
1992
HELP integral and series inequalities. Zbl 0764.26010
Brown, B. M.; Evans, W. D.; Everitt, W. N.
2
1992
A solution to the general Bessel moment problem. Zbl 0858.33004
Evans, W. D.; Everitt, W. N.; Krall, A. M.; Kwon, K. H.; Littlejohn, L. L.
1
1992
The Legendre type operator in a left definite Hilbert space. Zbl 0766.34057
Krall, Allan M.; Everitt, W. N.; Littlejohn, L. L.
1
1992
Computing eigenvalues of singular Sturm-Liouville problems. Zbl 0755.65082
Bailey, P. B.; Everitt, W. N.; Zettl, A.
40
1991
Orthogonal polynomials and spectral theory: A survey. Zbl 0837.33002
Everitt, W. N.; Littlejohn, L. L.
17
1991
HELP inequalities for limit-circle and regular problems. Zbl 0724.34086
Evans, W. D.; Everitt, W. N.
10
1991
Controllability of [r]-matrix quasi-differential equations. Zbl 0725.34067
Everitt, W. N.; Markus, L.
5
1991
The left-definite Legendre type boundary problem. Zbl 0735.34026
Everitt, W. N.; Littlejohn, L. L.; Williams, S. C.
3
1991
Hardy-Littlewood integral inequalities. Zbl 0727.26011
Evans, William Desmond; Everitt, W. Norrie
1
1991
On some properties of the Legendre type differential expression. Zbl 0705.33007
Everitt, W. N.; Krall, A. M.; Littlejohn, L. L.
14
1990
The density of polynomials in a weighted Sobolev space. Zbl 0765.41008
Everitt, W. N.; Littlejohn, L. L.
14
1990
Orthogonal polynomials in weighted Sobolev spaces. Zbl 0676.33005
Everitt, W. N.; Littlejohn, L. L.; Williams, S. C.
15
1989
Differential operators and the Legendre type polynomials. Zbl 0727.34021
Everitt, W. N.; Littlejohn, L. L.
12
1988
Regularization of a Sturm-Liouville problem with an interior singularity using quasi-derivatives. Zbl 0715.34043
Atkinson, F. V.; Everitt, W. N.; Zettl, A.
9
1988
Some remarks on linear ordinary quasi-differential expressions. Zbl 0582.34007
Everitt, W. N.; Race, D.
20
1987
Some comments on Sturm-Liouville eigenvalue problems with interior singularities. Zbl 0656.34013
Everitt, W. N.; Gunson, J.
5
1987
Linear control theory and quasi-differential equations. Zbl 0617.93003
Everitt, W. N.
4
1987
Sturm-Liouville differential operators in direct sum spaces. Zbl 0624.34020
Everitt, W. N.; Zettl, A.
31
1986
Limit-point and limit-circle criteria for Sturm-Liouville equations with intermittently negative principal coefficients. Zbl 0635.34021
Everitt, W. N.; Knowles, I. W.; Read, T. T.
18
1986
Some remarks on the strong limit-point condition of second-order linear differential expressions. Zbl 0625.34016
Everitt, W. N.
4
1986
On a class of integral inequalities of Hardy-Littlewood type. Zbl 0611.26010
Evans, W. D.; Everitt, W. N.; Hayman, W. K.; Ruscheweyh, S.
4
1986
A note on linear ordinary quasi-differential equations. Zbl 0602.34006
Everitt, W. N.
2
1985
On an inequality of Hardy-Littlewood type. I. Zbl 0587.26012
Evans, W. D.; Everitt, W. N.
2
1985
Differential operators and quadratic inequalities with a degenerate weight. Zbl 0559.34021
Everitt, W. N.; Man Kam Kwong; Zettl, A.
2
1984
On some properties of matrices associated with linear ordinary quasi- differential expressions. Zbl 0586.34008
Everitt, W. N.; Key, Jennifer D.
1
1984
Oscillation of eigenfunctions of weighted regular Sturm-Liouville problems. Zbl 0529.34039
Everitt, W. N.; Kwong, Man Kam; Zettl, A.
20
1983
On second-order left-definite boundary value problems. Zbl 0544.34015
Bennewitz, C.; Everitt, W. N.
15
1983
The asymptotic form of the Titchmarsh-Weyl coefficient for Dirac systems. Zbl 0489.34010
Everitt, W. N.; Hinton, D. B.; Shaw, J. K.
9
1983
A concept of adjointness and symmetry of differential expressions based on the generalised Lagrange identity and Green’s formula. Zbl 0531.34002
Everitt, W. N.; Neuman, František
4
1983
On a result of Brinck in the limit-point theory of second-order differential expressions. Zbl 0578.34013
Everitt, W. N.
2
1983
On quadratic integral inequalities associated with second-order symmetric differential expressions. Zbl 0556.26006
Everitt, W. N.; Wray, S. D.
2
1983
A return to the Hardy-Littlewood integral inequality. Zbl 0487.26005
Evans, W. D.; Everitt, W. N.
21
1982
On the transformation theory of ordinary second-order linear symmetric differential expressions. Zbl 0526.34026
Everitt, W. N.
9
1982
...and 82 more Documents
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Cited by 842 Authors

66 Everitt, William Norrie
55 Zettl, Anton
42 Littlejohn, Lance L.
32 Sun, Jiong
21 Shi, Yuming
21 Ugurlu, Ekin
16 Gesztesy, Fritz
15 Evans, William Desmond
14 Annaby, Mahmoud H.
14 Ao, Jijun
14 Harris, Bernard J.
14 Sun, Huaqing
13 Markett, Clemens
13 Wu, Hongyou
12 Brown, B. Malcolm
12 Hinton, Don Barker
12 Kostenko, Aleksey S.
11 Kwon, Kil Hyun
11 Wellman, Richard
10 Allahverdiev, Bilender Paşaoğlu
10 Chanane, Bilal
10 Ibrahim, Sobhy El-Sayed
10 Kong, Qingkai
10 Kwong, Man Kam
10 Marletta, Marco
10 Race, David
9 Atia, Hany A.
9 Binding, Paul Anthony
9 Krall, Allan M.
9 Merca, Mircea
9 Mirzoev, Karakhan Agakhan
9 Qi, Jiangang
9 Wang, Aiping
8 Boumenir, Amin A.
8 García, Antonio G.
8 Hao, Xiaoling
8 Markus, Lawrence
8 Rodríguez García, José Manuel
8 Teschl, Gerald
8 Wei, Guangsheng
8 Zhang, Maozhu
7 Atkinson, Frederick Valentine
7 Eastham, Michael S. P.
7 El-Gebeily, Mohamed A.
7 Giertz, Magnus
7 Langer, Heinz
6 Bairamov, Elgiz
6 Behrndt, Jussi
6 Browne, Patrick J.
6 Hernández-Medina, Miguel Ángel
6 Kalf, Hubert
6 O’Regan, Donal
6 Zheng, Zhaowen
5 Chen, Shaozhu
5 Chernyavskaya, N. A.
5 Das, Jyoti
5 Kauffman, Robert M.
5 Konechnaya, Natal’ya Nikolaevna
5 Liu, Yan
5 Milatovic, Ognjen
5 Möller, Manfred
5 Ospanov, Kordan Nauryzkhanovich
5 Read, Thomas T.
5 Ren, Guojing
5 Rofe-Beketov, Fedor Semenovich
5 Shuster, L. A.
5 Šimon Hilscher, Roman
5 Simon, Barry
5 Sun, Shurong
5 Tharwat, Mohammed M.
5 Tretter, Christiane
5 Wang, Wanyi
5 Zemánek, Petr
5 Zhu, Hao
4 Ashbaugh, Mark S.
4 Bradley, John S.
4 Ćurgus, Branko
4 Dragomir, Sever Silvestru
4 Fleige, Andreas
4 Fulton, Charles T.
4 Graef, John R.
4 Koekoek, Roelof
4 Li, Kun
4 Loureiro, Ana Filipa
4 Malamud, Mark M.
4 Marcellán Español, Francisco
4 Maroni, Pascal
4 Neuman, František
4 Plum, Michael
4 Weinmüller, Ewa B.
4 Yakubovich, Semyon B.
4 Yoon, Gang J.
4 Zayed, Ahmed I.
3 Abd-Alla, Mohammed Z.
3 Aceto, Lidia
3 Acho, Thomas Mbah
3 Agarwal, Ravi P.
3 Al-Hammadi, Abdulaziz Sultan Ali
3 Alici, Haydar
3 Amos, R. J.
...and 742 more Authors
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Cited in 202 Serials

90 Proceedings of the Royal Society of Edinburgh. Section A. Mathematics
84 Journal of Mathematical Analysis and Applications
63 Journal of Computational and Applied Mathematics
53 Journal of Differential Equations
29 Applied Mathematics and Computation
25 Results in Mathematics
22 Linear Algebra and its Applications
21 Quaestiones Mathematicae
19 Mathematische Nachrichten
18 Applicable Analysis
17 Proceedings of the American Mathematical Society
15 Transactions of the American Mathematical Society
14 Journal of Approximation Theory
13 Rocky Mountain Journal of Mathematics
12 Journal of Functional Analysis
11 Journal of Mathematical Physics
11 Integral Transforms and Special Functions
10 Mathematical Notes
9 Annali di Matematica Pura ed Applicata. Serie Quarta
9 Integral Equations and Operator Theory
9 Boundary Value Problems
8 Advances in Difference Equations
8 Complex Analysis and Operator Theory
7 Computers & Mathematics with Applications
7 Mathematische Annalen
7 Applied Mathematics Letters
7 Journal of Mathematical Sciences (New York)
7 Journal of Difference Equations and Applications
7 Abstract and Applied Analysis
6 Journal d’Analyse Mathématique
6 Ukrainian Mathematical Journal
6 Czechoslovak Mathematical Journal
5 Communications in Mathematical Physics
5 Mathematics of Computation
5 Advances in Mathematics
5 Mathematische Zeitschrift
5 Numerical Functional Analysis and Optimization
5 European Journal of Combinatorics
5 Constructive Approximation
5 Annales Henri Poincaré
5 Differential Equations
5 Eurasian Mathematical Journal
4 Mathematical Methods in the Applied Sciences
4 ZAMP. Zeitschrift für angewandte Mathematik und Physik
4 Monatshefte für Mathematik
4 Advances in Applied Mathematics
4 Acta Applicandae Mathematicae
4 Numerical Algorithms
4 Communications in Nonlinear Science and Numerical Simulation
4 Complex Variables and Elliptic Equations
4 Journal of Spectral Theory
3 Mathematical Proceedings of the Cambridge Philosophical Society
3 Periodica Mathematica Hungarica
3 Journal of Geometry and Physics
3 Glasgow Mathematical Journal
3 Proceedings of the Edinburgh Mathematical Society. Series II
3 Mathematical and Computer Modelling
3 Aequationes Mathematicae
3 Acta Mathematica Sinica. New Series
3 Indagationes Mathematicae. New Series
3 Turkish Journal of Mathematics
3 Mathematical Inequalities & Applications
3 Lobachevskii Journal of Mathematics
3 Bulletin of the Malaysian Mathematical Sciences Society. Second Series
3 Operators and Matrices
3 Ufimskiĭ Matematicheskiĭ Zhurnal
3 Analysis and Mathematical Physics
3 Journal of Applied Analysis and Computation
2 Bulletin of the Australian Mathematical Society
2 International Journal of Engineering Science
2 Israel Journal of Mathematics
2 Linear and Multilinear Algebra
2 Reports on Mathematical Physics
2 Theoretical and Mathematical Physics
2 Arkiv för Matematik
2 Calcolo
2 Journal of Combinatorial Theory. Series A
2 Journal of Number Theory
2 Journal für die Reine und Angewandte Mathematik
2 Memoirs of the American Mathematical Society
2 Numerische Mathematik
2 Transactions of the Moscow Mathematical Society
2 Zeitschrift für Analysis und ihre Anwendungen
2 Acta Mathematica Hungarica
2 Applied Numerical Mathematics
2 Acta Mathematicae Applicatae Sinica. English Series
2 Journal of Integral Equations and Applications
2 Applied Mathematical Modelling
2 Communications in Partial Differential Equations
2 European Journal of Operational Research
2 SIAM Journal on Applied Mathematics
2 Bulletin of the American Mathematical Society. New Series
2 Journal of Dynamics and Differential Equations
2 Opuscula Mathematica
2 The Journal of Fourier Analysis and Applications
2 Journal of Mathematical Chemistry
2 Mathematical Problems in Engineering
2 Doklady Mathematics
2 Differential Equations and Dynamical Systems
2 Proceedings of the Royal Society of London. Series A. Mathematical, Physical and Engineering Sciences
...and 102 more Serials
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Cited in 49 Fields

624 Ordinary differential equations (34-XX)
306 Operator theory (47-XX)
101 Special functions (33-XX)
87 Partial differential equations (35-XX)
76 Numerical analysis (65-XX)
50 Real functions (26-XX)
48 Harmonic analysis on Euclidean spaces (42-XX)
44 Functional analysis (46-XX)
43 Difference and functional equations (39-XX)
40 Quantum theory (81-XX)
32 Dynamical systems and ergodic theory (37-XX)
31 Information and communication theory, circuits (94-XX)
30 Number theory (11-XX)
29 Approximations and expansions (41-XX)
23 Combinatorics (05-XX)
17 Linear and multilinear algebra; matrix theory (15-XX)
17 Functions of a complex variable (30-XX)
14 Integral transforms, operational calculus (44-XX)
10 Global analysis, analysis on manifolds (58-XX)
9 Mechanics of particles and systems (70-XX)
9 Systems theory; control (93-XX)
6 Mechanics of deformable solids (74-XX)
6 Statistical mechanics, structure of matter (82-XX)
6 Relativity and gravitational theory (83-XX)
5 Integral equations (45-XX)
5 Calculus of variations and optimal control; optimization (49-XX)
5 Differential geometry (53-XX)
5 Statistics (62-XX)
4 Field theory and polynomials (12-XX)
4 Computer science (68-XX)
4 Biology and other natural sciences (92-XX)
3 History and biography (01-XX)
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3 Fluid mechanics (76-XX)
3 Operations research, mathematical programming (90-XX)
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2 Several complex variables and analytic spaces (32-XX)
2 Sequences, series, summability (40-XX)
2 Geometry (51-XX)
2 Probability theory and stochastic processes (60-XX)
2 Astronomy and astrophysics (85-XX)
1 Mathematical logic and foundations (03-XX)
1 Commutative algebra (13-XX)
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1 Nonassociative rings and algebras (17-XX)
1 Abstract harmonic analysis (43-XX)
1 Convex and discrete geometry (52-XX)
1 Optics, electromagnetic theory (78-XX)
1 Game theory, economics, finance, and other social and behavioral sciences (91-XX)

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