Littlejohn, Lance Lee Author
Orthogonal polynomials and approximation in Sobolev spaces
- Everitt W.
- Littlejohn L.
- Williams S.
JOURNAL OF COMPUTATIONAL AND APPLIED MATHEMATICS - 29/10/1993
- CiteScore: 4.5 (2020)
- Scopus
- ORCID
- Web of Science
Orthogonal polynomials and extensions of Copson's inequality
- Brown B.
- Evans W.
- Littlejohn L.
JOURNAL OF COMPUTATIONAL AND APPLIED MATHEMATICS - 29/10/1993
- CiteScore: 4.5 (2020)
- Scopus
- ORCID
- Web of Science
Real orthogonalizing weights for Bessel polynomials
- Evans W.
- Everitt W.
- Kwon K.
- Littlejohn L.
JOURNAL OF COMPUTATIONAL AND APPLIED MATHEMATICS - 31/12/1993
- CiteScore: 4.5 (2020)
- Scopus
- ORCID
- Web of Science
On self-adjoint boundary conditions for singular Sturm–Liouville operators bounded from below
- Gesztesy F.
- Littlejohn L.L.
- Nichols R.
Journal of Differential Equations - 15/10/2020
- SJR Quartile: Q1
- JCR Impact Factor: 2.43 (2020)
- CiteScore: 3.6 (2020)
- SJR: 2.014 (2020
- SNIP: 1.829 (2020
- JCR 5-year Impact Factor: 2.857
- JCR Categories: MATHEMATICS
- SJR Categories: Analysis (Q1); Applied Mathematics (Q1)
A general left-definite theory for certain self-adjoint operators with applications to differential equations
- Littlejohn L.
- Wellman R.
JOURNAL OF DIFFERENTIAL EQUATIONS - 20/05/2002
- SJR Quartile: Q1
- CiteScore: 3.6 (2020)
- SJR: 2.338 (2002
- SNIP: 1.758 (2002
- SJR Categories: Analysis (Q1)
- Scopus
- ORCID
- Web of Science
On Birman's sequence of Hardy–Rellich-type inequalities
- Gesztesy F.
- Littlejohn L.
- Michael I.
- Wellman R.
JOURNAL OF DIFFERENTIAL EQUATIONS - 15/2/2018
- SJR Quartile: Q1
- JCR Impact Factor: 1.938 (2018)
- CiteScore: 3.6 (2020)
- SJR: 2.352 (2018
- SNIP: 1.739 (2018
- JCR 5-year Impact Factor: 2.293
- JCR Categories: MATHEMATICS
- SJR Categories: Analysis (Q1); Applied Mathematics (Q1)
Glazman–Krein–Naimark theory, left-definite theory and the square of the Legendre polynomials differential operator
- Littlejohn L.
- Wicks Q.
Journal of Mathematical Analysis and Applications - 1/12/2016
- SJR Quartile: Q2
- JCR Impact Factor: 1.064 (2016)
- CiteScore: 2.5 (2020)
- SJR: 1.039 (2016
- SNIP: 1.206 (2016
- JCR 5-year Impact Factor: 1.151
- JCR Categories: MATHEMATICS
- SJR Categories: Analysis (Q2); Applied Mathematics (Q2)
- Scopus
- ORCID
- Web of Science
Variation of parameters and solutions of composite products of linear differential equations
- Littlejohn L.
- López J.
JOURNAL OF MATHEMATICAL ANALYSIS AND APPLICATIONS - 15/09/2010
- SJR Quartile: Q1
- JCR Impact Factor: 1.174 (2010)
- CiteScore: 2.5 (2020)
- SJR: 1.408 (2010
- SNIP: 1.406 (2010
- JCR 5-year Impact Factor: 1.345
- JCR Categories: MATHEMATICS, APPLIED
- SJR Categories: Analysis (Q1); Applied Mathematics (Q1)
- Scopus
- ORCID
- Web of Science
A construction of real weight functions for certain orthogonal polynomials in two variables
- Lee J.
- Littlejohn L.
JOURNAL OF MATHEMATICAL ANALYSIS AND APPLICATIONS - 15/07/2006
- SJR Quartile: Q1
- CiteScore: 2.5 (2020)
- SJR: 1.221 (2006
- SNIP: 1.347 (2006
- SJR Categories: Analysis (Q1); Applied Mathematics (Q1)
- Scopus
- ORCID
- Web of Science
A spectral study of the second-order exceptional X1-Jacobi differential expression and a related non-classical Jacobi differential expression
- Liaw C.
- Littlejohn L.
- Stewart J.
- Wicks Q.
JOURNAL OF MATHEMATICAL ANALYSIS AND APPLICATIONS - 1/02/2015
- SJR Quartile: Q1
- JCR Impact Factor: 1.014 (2015)
- CiteScore: 2.5 (2020)
- SJR: 1.15 (2015
- SNIP: 1.281 (2015
- JCR 5-year Impact Factor: 1.13
- JCR Categories: MATHEMATICS, APPLIED
- SJR Categories: Applied Mathematics (Q1); Analysis (Q2)
- Scopus
- ORCID
- Web of Science
This author has no conferences.
This author has no patents.
This author has no reports or other types of publications.
h index
Scopus: 17
Web of Science: 15
i10 index
Scopus: 30
Web of Science: 22
Author profiles
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Acronym MTM2017-89941-PSince: January 1, 2018Until: December 31, 2021Funded by: MECFunding / grant amount: 72,600.00 EURRole: Equipo de trabajo