Littlejohn, Lance Lee Author
Sobolev orthogonal polynomials and spectral differential equations
- Jung I.
- Kwon K.
- Lee D.
- Littlejohn L.
Transactions of the American Mathematical Society - 1/1/1995
10.1090/s0002-9947-1995-1308015-9
- CiteScore: 2.5 (2020)
Sobolev orthogonal polynomials in two variables and second order partial differential equations
- Lee J.
- Littlejohn L.
JOURNAL OF MATHEMATICAL ANALYSIS AND APPLICATIONS - 15/10/2006
- 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
Spectral analysis for the exceptional X(m)-Jacobi equation
- Liaw C.
- Littlejohn L.
- Kelly J.
Electronic Journal of Differential Equations - 27/7/2015
- SJR Quartile: Q3
- JCR Impact Factor: 0.769 (2015)
- JCR 5-year Impact Factor: 0.689
- JCR Categories: MATHEMATICS
- SJR Categories: Analysis (Q3)
Spectral analysis of the sixth-order Krall differential expression
- K. Elliott
- L. L. Littlejohn
- R. Wellman
Advances in Operator Theory - 28/07/2020
- Scopus
- ORCID
- Web of Science
Symmetric and symmetrisable differential expressions
- Littlejohn L.
Proceedings of the London Mathematical Society - 1/1/1990
- CiteScore: 2.2 (2020)
Symmetry factors for differential equations with applications to orthogonal polynomials
- Littlejohn L.
ACTA MATHEMATICA HUNGARICA - 1/3/1990
- CiteScore: 1 (2020)
- Scopus
- ORCID
- Web of Science
The Fourth-order Bessel–type differential equation
- Das J.
- Everitt W.
- Hinton D.
- Littlejohn L.
- Markett C.
International Journal of Phytoremediation - 1/1/2004
- SJR Quartile: Q2
- CiteScore: 4.8 (2020)
- SJR: 0.506 (2004
- SNIP: 0.163 (2004
- SJR Categories: Plant Science (Q2); Pollution (Q2); Environmental Chemistry (Q3)
The Jacobi-Stirling numbers
- Andrews G.
- Egge E.
- Gawronski W.
- Littlejohn L.
JOURNAL OF COMBINATORIAL THEORY SERIES A - 1/01/2013
- SJR Quartile: Q1
- JCR Impact Factor: 0.868 (2013)
- CiteScore: 2.2 (2020)
- SJR: 1.328 (2013
- SNIP: 1.559 (2013
- JCR 5-year Impact Factor: 0.807
- JCR Categories: MATHEMATICS
- SJR Categories: Computational Theory and Mathematics (Q1); Discrete Mathematics and Combinatorics (Q1); Theoretical Computer Science (Q1)
- Scopus
- ORCID
- Web of Science
The Krein–von Neumann extension revisited
- Fucci G.
- Gesztesy F.
- Kirsten K.
- Littlejohn L.L.
- Nichols R.
- Stanfill J.
APPLICABLE ANALYSIS - 1/1/2022
- JCR Impact Factor: 1.1 (2022)
- CiteScore: 2.5 (2021)
- SJR: 0.548 (2021
- SNIP: 0.956 (2021
- JCR 5-year Impact Factor: 1.1
- JCR Categories: MATHEMATICS, APPLIED
The Laguerre Type Operator in a Left Definite Hilbert Space
- Krall A.
- Everitt W.
- Littlejohn L.
JOURNAL OF MATHEMATICAL ANALYSIS AND APPLICATIONS - 1/06/1995
- CiteScore: 1.6 (2020)
- Scopus
- 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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Research projects at UAL
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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