Concepedia

John R. Graef

JR

140

Publications

4.7K

Citations

33

H-Index

1972

Active since

Affiliations

University of Tennessee at Chattanooga(Current)

Mississippi State University

Cairo University

Kennesaw State University

Tokat Gaziosmanpaşa Üniversitesi

John R. Graef is an author at University of Tennessee at Chattanooga specializing in functional analysis, numerical analysis, and engineering.

Top concepts

Numerical AnalysisFunctional AnalysisEngineeringStabilitySpectral TheoryPhysicsMathematical ProgrammingVariational InequalitiesStatisticsDemography

Publications per year

1972–2023

140

Publications

140

Global dynamics of a SEIR model with varying total population size

Michael Y. Li, John R. Graef, Liancheng Wang et al. · Mathematical Biosciences · 1999 · 629 citations

Seir Model, Total Population Size, Population Dynamic +3

Existence results for boundary value problems with non-linear fractional differential equations

Mouffak Benchohra, John R. Graef, Samira Hamani · Applicable Analysis · 2008 · 238 citations

Existence Results, Fractional-order System, Free Boundary Problem +6

On the generalized Liénard equation with negative damping

John R. Graef · Journal of Differential Equations · 1972 · 104 citations

Nonlinear Hyperbolic Problem, Generalized Liénard Equation, Hyperbolic Conservation Law

Positive solutions for a class of higher order boundary value problems with fractional q-derivatives

John R. Graef, Lingju Kong · Applied Mathematics and Computation · 2012 · 104 citations

Elliptic Equation, Riemann-hilbert Problem, Fractional-order System +4

Third order boundary value problems with nonlocal boundary conditions

John R. Graef, J. R. L. Webb · Nonlinear Analysis · 2008 · 101 citations

Numerical Analysis, Method Of Fundamental Solution, Nonlocal Boundary Conditions +2

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