Author

J. Richard Lundgren

Observed names: J. R. Lundgren, J.Richard Lundgren, Lundgren, J. Richard, Lundgren, JR

Observed institutions: Allegheny College, The Ohio State University, University of Colorado Denver

OpenAlex ID: A5069334847

Food Webs, Competition Graphs, Competition-Common Enemy Graphs, and Niche Graphs

1989 · J. Richard Lundgren · The IMA volumes in mathematics and its applications · 91

Niche graphs

1989 · Charles Cable, Kathryn F. Jones, et al. · Discrete Applied Mathematics · 52

The domination and competition graphs of a tournament

1998 · David C. Fisher, J. Richard Lundgren, et al. · Journal of Graph Theory · 38

Biclique coverings of regular bigraphs and minimum semiring ranks of regular matrices

1991 · David A Gregory, Norman J Pullman, et al. · Journal of Combinatorial Theory Series B · 32

A characterization of graphs of competition number m

1983 · J.Richard Lundgren, John S. Maybee · Discrete Applied Mathematics · 32

Inverting graphs of rectangular matrices

1984 · Harvey J. Greenberg, J.Richard Lundgren, et al. · Discrete Applied Mathematics · 29

Graph Theoretic Methods for the Qualitative Analysis of Rectangular Matrices

1981 · Harvey J. Greenberg, J. Richard Lundgren, et al. · SIAM Journal on Algebraic and Discrete Methods · 22

Variations on Interval Graphs

2001 · David E. Brown, J. Richard Lundgren, et al. · Digital Commons - USU (Utah State University) · 21

Domination graphs of regular tournaments

2002 · Han Hyuk Cho, Suh-Ryung Kim, et al. · Discrete Mathematics · 18

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Domination Graphs of Tournaments and Digraphs

1995 · David Fisher, J. Richard Lundgren, et al. · 18

Competition Graphs of Strongly Connected and Hamiltonian Digraphs

1995 · Kathryn F. Fraughnaugh, J. Richard Lundgren, et al. · SIAM Journal on Discrete Mathematics · 17

Interval competition graphs of symmetric diagraphs

1993 · J.Richard Lundgren, Craig W. Rasmussen, et al. · Discrete Mathematics · 17

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(i, j) competition graphs

1991 · Kim A.S. Hefner, Kathryn F. Jones, et al. · Discrete Applied Mathematics · 17

Two-step graphs of trees

1993 · J.Richard Lundgren, Craig W. Rasmussen · Discrete Mathematics · 14

Rectangular Matrices and Signed Graphs

1983 · Harvey J. Greenberg, J. Richard Lundgren, et al. · SIAM Journal on Algebraic and Discrete Methods · 14

Extensions of graph inversion to support an artificially intelligent modeling environment

1989 · Harvey J. Greenberg, J. Richard Lundgren, et al. · Annals of Operations Research · 13

Domination Graphs with Nontrivial Components

2001 · David C. Fisher, David Guichard, et al. · Graphs and Combinatorics · 12

Bipartite probe interval graphs, circular arc graphs, and interval point bigraphs.

2006 · David E. Brown, J. Richard Lundgren · Australas. J Comb. · 11

Domination Graphs of Tournaments with Isolated Vertices.

2003 · David Fisher, J. Richard Lundgren, et al. · Ars Combinatoria · 11

Characterizations of Interval Bigraphs and Unit IntervalBigraphs

2002 · David E. Brown, Stephen C. Flink, et al. · Digital Commons - USU (Utah State University) · 11

A characterization of cycle-free unit probe interval graphs

2008 · David E. Brown, J. Richard Lundgren, et al. · Discrete Applied Mathematics · 10

On signed digraphs with all cycles negative

1985 · Frank Harary, J. Richard Lundgren, et al. · Discrete Applied Mathematics · 10

Interval k-graphs

2002 · David E. Brown, Stephen C. Flink, et al. · Digital Commons - USU (Utah State University) · 9

Quadrangularity and Strong Quadrangularity in Tournaments

2004 · Lundgren, J. Richard, Reid, K. B., et al. · arXiv (Cornell University) · 8

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Chromatic numbers of competition graphs

1995 · J.Richard Lundgren, Sarah K. Merz, et al. · Linear Algebra and its Applications · 8

Works count: 66

Citation count: 615

H-index: 14

I10-index: 22