Concepedia

Alan J. Hoffman

AJ

Statistics

Publications

66

Citations

6.2K

H-Index

35

Active since

1951

Affiliations

IBM Research - Thomas J. Watson Research Center(Current)

IBM (United States)

National Institute of Standards and Technology

Alan J. Hoffman is an author at IBM Research - Thomas J. Watson Research Center specializing in discrete mathematics, engineering, and graph theory.

Top concepts

EngineeringDiscrete MathematicsCombinatorial OptimizationGraph TheoryMathematical ProgrammingEducationNetwork AnalysisBusinessSpectral TheoryOperations Research

Publications per year

1951–1996

66

Publications

66

On approximate solutions of systems of linear inequalities

Alan J. Hoffman · Journal of research of the National Bureau of Standards · 1952 · 665 citations · Full text

Lower Bounds for the Partitioning of Graphs

W. E. Donath, Alan J. Hoffman · IBM Journal of Research and Development · 1973 · 650 citations

Mathematical Programming, Cluster Computing, Network Science +15

A Characterization of Comparability Graphs and of Interval Graphs

Paul C. Gilmore, Alan J. Hoffman · Canadian Journal of Mathematics · 1964 · 600 citations · Full text

Mathematical Programming, Comparability Graphs, Directed Graph +12

On Moore Graphs with Diameters 2 and 3

Alan J. Hoffman, Robert R. Singleton · IBM Journal of Research and Development · 1960 · 490 citations

Engineering, Planar Graph, Network Analysis +16

The variation of the spectrum of a normal matrix

Alan J. Hoffman, Helmut W. Wielandt · Duke Mathematical Journal · 1953 · 328 citations

Spectral Theory, Spectral Analysis, Normal Matrix +2

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