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Littlejohn, Lance Lee Author

Open Access

On Birman's sequence of Hardy–Rellich-type inequalities

  • Gesztesy F.
  • Littlejohn L.
  • Michael I.
  • Wellman R.

JOURNAL OF DIFFERENTIAL EQUATIONS - 15/2/2018

10.1016/j.jde.2017.11.002

Cite count: 9 (Scopus)
  • 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)
Open Access

Differential operator for discrete Gegenbauer–Sobolev orthogonal polynomials: Eigenvalues and asymptotics

  • Littlejohn L.
  • Mañas-Mañas J.
  • Moreno-Balcázar J.
  • Wellman R.

Journal of Approximation Theory - 1/06/2018

10.1016/j.jat.2018.04.008

Cite count: 3 (Web of Science) 5 (Scopus)
  • JCR Quartile: Q2 (2018)
  • SJR Quartile: Q1
  • JCR Impact Factor: 1.022 (2022)
  • Category normalized Impact: 0.639 (2018)
  • CiteScore: 1.5 (2020)
  • SJR: 0.839 (2018
  • SNIP: 1.22 (2018
  • JCR 5-year Impact Factor: 0.99
  • JCR Categories: MATHEMATICS
  • SJR Categories: Mathematics (miscellaneous) (Q1); Analysis (Q2); Applied Mathematics (Q2); Numerical Analysis (Q2)
Open Access

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

10.1016/j.jmaa.2016.06.010

Cite count: 4 (Web of Science) 5 (Scopus)
  • 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)
Open Access

The spectral analysis of three families of exceptional Laguerre polynomials

  • Lance L. Littlejohn
  • Robert Milson
  • Constanze Liaw
  • Jessica Stewart

JOURNAL OF APPROXIMATION THEORY - 1/02/2016

10.1016/j.jat.2015.11.001

Cite count: 16 (Web of Science) 10 (Scopus)
  • SJR Quartile: Q2
  • JCR Impact Factor: 0.931 (2016)
  • CiteScore: 1.5 (2020)
  • SJR: 0.802 (2016
  • SNIP: 1.126 (2016
  • JCR 5-year Impact Factor: 0.855
  • JCR Categories: MATHEMATICS
  • SJR Categories: Analysis (Q2); Applied Mathematics (Q2); Mathematics (miscellaneous) (Q2); Numerical Analysis (Q2)

Spectral analysis for the exceptional X(m)-Jacobi equation

  • Liaw C.
  • Littlejohn L.
  • Kelly J.

Electronic Journal of Differential Equations - 27/7/2015

Cite count: 3 (Scopus)
  • SJR Quartile: Q3
  • JCR Impact Factor: 0.769 (2015)
  • JCR 5-year Impact Factor: 0.689
  • JCR Categories: MATHEMATICS
  • SJR Categories: Analysis (Q3)
Open Access

On the asymptotic normality of the Legendre-Stirling numbers of the second kind

  • Gawronski W.
  • Littlejohn L.
  • Neuschel T.

EUROPEAN JOURNAL OF COMBINATORICS - 1/10/2015

10.1016/j.ejc.2015.03.014

Cite count: 7 (Scopus)
  • SJR Quartile: Q1
  • JCR Impact Factor: 0.65 (2015)
  • CiteScore: 1.7 (2020)
  • SJR: 1.051 (2015
  • SNIP: 1.154 (2015
  • JCR 5-year Impact Factor: 0.702
  • JCR Categories: MATHEMATICS
  • SJR Categories: Computational Theory and Mathematics (Q1); Discrete Mathematics and Combinatorics (Q1); Theoretical Computer Science (Q1); Geometry and Topology (Q2)
Open Access

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

10.1016/j.jmaa.2014.08.016

Cite count: 8 (Web of Science) 6 (Scopus)
  • 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)
Open Access

Diagonalizability and symmetrizability of Sobolev-type bilinear forms: A combinatorial approach

  • Kim H.
  • Kwon K.
  • Littlejohn L.
  • Yoon G.

Linear Algebra and its Applications - 1/11/2014

10.1016/j.laa.2014.07.037

Cite count: 2 (Web of Science) 2 (Scopus)
  • SJR Quartile: Q2
  • JCR Impact Factor: 0.939 (2014)
  • CiteScore: 2.1 (2020)
  • SJR: 0.924 (2014
  • SNIP: 1.318 (2014
  • JCR 5-year Impact Factor: 0.948
  • JCR Categories: MATHEMATICS
  • SJR Categories: Algebra and Number Theory (Q2); Discrete Mathematics and Combinatorics (Q2); Geometry and Topology (Q2); Numerical Analysis (Q2)

Asymptotics of stirling and chebyshev-stirling numbers of the second kind

  • Gawronski W.
  • Littlejohn L.
  • Neuschel T.

STUDIES IN APPLIED MATHEMATICS - 1/07/2014

10.1111/sapm.12037

Cite count: 11 (Web of Science) 10 (Scopus)
  • SJR Quartile: Q2
  • JCR Impact Factor: 1.254 (2014)
  • CiteScore: 5.3 (2020)
  • SJR: 0.649 (2014
  • SNIP: 0.816 (2014
  • JCR 5-year Impact Factor: 1.329
  • JCR Categories: MATHEMATICS, APPLIED
  • SJR Categories: Applied Mathematics (Q2)

Classical and Sobolev orthogonality of the nonclassical Jacobi polynomials with parameters α = β = -1

  • Bruder, A.
  • Littlejohn, L.L.

2014

10.1007/s10231-012-0284-8

Cite count: 3 (Web of Science) 1 (Scopus)
  • CiteScore: 2 (2020)
  • SJR: 0.955 (2014
  • SNIP: 1.034 (2014

Weight Distributions and Moments for a Certain Class of Orthogonal Polynomials

  • Littlejohn, L.L.

North-Holland Mathematics Studies - 1/1/1984

10.1016/s0304-0208(08)73723-x

Cite count: 1 (Scopus)

This author has no conferences.

This author has no patents.

This author has no reports or other types of publications.

Scopus: 17

Web of Science: 15

Scopus: 30

Web of Science: 22

Last data update: 6/29/24 9:33 AM
Next scheduled update: 7/6/24 3:00 AM