Roger T Lewis
Roger T Lewis
Professor Emeritus of Mathematics, University of Alabama at Birmingham
Bestätigte E-Mail-Adresse bei uab.edu
Titel
Zitiert von
Zitiert von
Jahr
Spectral analysis of second order difference equations
DB Hinton, RT Lewis
Journal of Mathematical Analysis and Applications 63 (2), 421-438, 1978
1151978
The analysis and geometry of Hardy's inequality
AA Balinsky, WD Evans, RT Lewis
Springer, 2015
1132015
The effect of variable change on oscillation and disconjugacy criteria with applications to spectral theory and asymptotic theory
CD Ahlbrandt, DB Hinton, RT Lewis
Journal of Mathematical Analysis and Applications 81 (1), 234-277, 1981
711981
Oscillation theory for generalized second-order differential equations
DB Hinton, RT Lewis
The Rocky Mountain Journal of Mathematics 10 (4), 751-766, 1980
651980
The essential spectrum of relativistic multi-particle operators
RT Lewis, H Siedentop, S Vugalter
Annales de l'IHP Physique théorique 67 (1), 1-28, 1997
481997
Singular elliptic operators of second order with purely discrete spectra
RT Lewis
Transactions of the American Mathematical Society 271 (2), 653-666, 1982
481982
A minimax principle for eigenvalues in spectral gaps: Dirac operators with Coulomb potentials
M Griesemer, RT Lewis, H Siedentop
Doc. Math 4, 275-283, 1999
471999
Discrete spectra criteria for singular differential operators with middle terms
DB Hinton, RT Lewis
Mathematical Proceedings of the Cambridge Philosophical Society 77 (2), 337-347, 1975
451975
Singular differential operators with spectra discrete and bounded below
DB Hinton, RT Lewis
Proceedings of the Royal Society of Edinburgh Section A: Mathematics 84 (1-2 …, 1979
401979
The discreteness of the spectrum of self-adjoint, even order, one-term, differential operators
RT Lewis
Proceedings of the American Mathematical Society, 480-482, 1974
341974
A geometric characterization of a sharp Hardy inequality
RT Lewis, J Li, Y Li
Journal of Functional Analysis 262 (7), 3159-3185, 2012
332012
On the number of negative eigenvalues of Schrödinger operators with an Aharonov–Bohm magnetic field
AA Balinsky, WD Evans, RT Lewis
Proceedings of the Royal Society of London. Series A: Mathematical, Physical …, 2001
312001
Necessary and sufficient conditions for the discreteness of the spectrum of certain singular differential operators
CD Ahlbrandt, DB Hinton, RT Lewis
Canadian Journal of Mathematics 33 (1), 229-246, 1981
271981
Hardy and Rellich inequalities with remainders
WD Evans, RT Lewis
J. Math. Inequal 1 (4), 473-490, 2007
262007
Some geometric spectral properties of N-body Schrödinger operators
WD Evans, RT Lewis, Y Saitō
Archive for rational mechanics and analysis 113 (4), 377-400, 1991
251991
Counting eigenvalues using coherent states with an application to Dirac and Schrödinger operators in the semi-classical limit
WD Evans, RT Lewis, H Siedentop, JP Solovej
Arkiv för matematik 34 (2), 265-283, 1996
201996
On the number of bound states of a bosonicN-particle Coulomb system
V Bach, R Lewis, EH Lieb, H Siedentop
Mathematische Zeitschrift 214 (1), 441-459, 1993
201993
Oscillation and nonoscillation criteria for some self-adjoint even order linear differential operators
RT Lewis
Pacific J. Math 51, 221-234, 1974
181974
Non-self-adjoint operators and their essential spectra
WD Evans, RT Lewis, A Zettl
Ordinary differential equations and operators, 123-160, 1983
171983
Positive functionals and oscillation criteria for second order differential systems
GJ Etgen, RT Lewis
Proceedings of the Edinburgh Mathematical Society 22 (3), 277-290, 1979
171979
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