Concepedia

Roger D. Nussbaum

RD

79

Publications

5.6K

Citations

37

H-Index

1968

Active since

Affiliations

Rutgers, The State University of New Jersey(Current)

Brown University

Roger D. Nussbaum is an author at Rutgers, The State University of New Jersey specializing in functional analysis, engineering, and spectral theory.

Top concepts

Functional AnalysisEngineeringSpectral TheoryStabilityEntropyPhysicsConvex OptimizationMathematical ProgrammingPhotonicsProbability

Publications per year

1968–2016

79

Publications

79

Some remarks on a conjecture in parameter adaptive control

Roger D. Nussbaum · Systems & Control Letters · 1983 · 1.2K citations

Parameter Adaptive Control, Controllability, Mathematical Control Theory +1

Hilbert’s projective metric and iterated nonlinear maps

Roger D. Nussbaum · Memoirs of the American Mathematical Society · 1988 · 302 citations

Iterated Nonlinear Maps, Global Analysis, Projective Geometry

The radius of the essential spectrum

Roger D. Nussbaum · Duke Mathematical Journal · 1970 · 259 citations

Spectral Analysis, Essential Spectrum, Spectrum Estimation +1

Uniqueness and nonuniqueness for positive radial solutions of Δu + f(u, r) = 0

Wei‐Ming Ni, Roger D. Nussbaum · Communications on Pure and Applied Mathematics · 1985 · 227 citations

Positive Radial Solutions, Elliptic Equation, Nonlinear Functional Analysis +1

Global continuation and asymptotic behaviour for periodic solutions of a differential-delay equation

John Mallet‐Paret, Roger D. Nussbaum · Annali di Matematica Pura ed Applicata (1923 -) · 1986 · 213 citations · Full text

Periodic Solutions, Global Continuation, Asymptotic Behaviour +3

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