1970-79     [1980-89]   [1990-99]   [2000-09]   [Home]

• Some basic properties of vector sequence spaces,
  J. reine angew. Math. 237(1969) 26-38.
• Hereditary properties of vector sequence spaces,
  J. reine angew. Math. 243 (1970) 66-69.
• Nonconvex linear topologies with the Hahn Banach extension property,
  with J. Shapiro, Proc. A.M.S. 25 (1970) 902-905.
• Geometrical implications of upper semi-continuity of the duality mapping on a Banach space,
  with J. R. Giles and B. Sims, Pac. Jour. of Math. 79 (1978) 99-109.
• Characterization of normed linear spaces with Mazur's intersection property,
  with J. R. Giles and B. Sims, Bull. Austral. Math. Soc. 18 (1978) 105-123.
• Prime Boolean matrices
  with D. de Caen, Springer Lecture Notes in Math. 829 (1979) 76-82.
  [1970-79]     1980-89    [1990-99]   [2000-09]   [Home]

• Upper semi-continuity of subdifferential mappings,
  Canad. Math. Bull. 23 (1980) 11-19.
• Primes in the semigroup of Boolean matrices,
  with D. de Caen, Linear Algebra Appl. 37 (1981) 119-134.
• Boolean rank of zero-one matrices, with D. de Caen and N.J. Pullman,
  Proc. Third Caribbean Conf. on Combinatorics and Computing, Barbados (1981) 169-173.
• Prime Boolean matrices - a graph theoretic approach,
  with N. J. Pullman, Ars Combinatoria 12 (1981) 81-110.
• Maximal incidence algebras,
  with L. Beasley, L. Cummings, D. de Caen, and N. Pullman, Ars Combinatoria 13 (1982) 145-147.
• On a clique covering problem of Orlin,
  with N. J. Pullman, Discrete Math. 41 (1982) 97-99.
• Semiring rank: Boolean rank and nonnegative rank factorizations,
  with N. J. Pullman, Journal of Combinatorics Information and System Sciences 8 (1983) 223-233.
• Monomial ideals and points in projective space,
  with A. V. Geramita and L. Roberts, Rend. Sem. Mat. Univers. Politecn. Torino 42 (1984) 1-10.
• Nonnegative rank-preserving operators,
  L. B. Beasley and N. J. Pullman, Linear Algebra Appl. 65 (1985) 207-223.
• Clique coverings of complements of paths and cycles,
  with D. de Caen and N. J. Pullman, Annals of Discrete Math. 27 (1985) 257-268.
• Partitions of the edge-set of a multigraph by complete subgraphs,
  with D. de Caen, Congressus Numerantium 47 (1985) 255-263.
• Monomial ideals and points in projective space,
  with A. V. Geramita and L. Roberts, Journal of Pure and Applied Algebra 40 (1986) 33-62.
• Clique partitions of the cocktail party graph,
  with S. McGuinness and W. Wallis, Discrete Mathematics 59 (1986) 267-273.
• On the decomposition of a directed graph into complete bipartite subgraphs,
  with D. de Caen, Ars Combin. 23B (1987) 139-146.
• Factorizations of symmetric designs,
  with D. de Caen, Jour. Combinatorial Theory A, 49 (1988) 323-337.
• Biclique partitions of the complement of a directed cycle,
  Jour. Combin. Math. Combin. Comput. 6 (1989) 183-187.
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• Near factors of finite groups,
  with D. de Caen, I. Hughes, and D. Kreher, Ars Combinatoria 29 (1990) 53-63.
• Biclique coverings of regular digraphs and minimum semiring ranks of regular matrices,
  with K. F. Jones, J. R. Lundgren and N. J. Pullman, Jour. of Comb. Theory B. 51 (1991) 73-89.
• Minimum biclique partitions of the complete multigraph and related designs,
  with D. de Caen and D. Pritikin, Graphs, Matrices and Designs, R.S. Rees, Ed. Dekker 1992.
• Row-stochastic matrices with a common left fixed-vector,
  with S. J. Kirkland and N. J. Pullman, Linear Algebra Appl. 169 (1992) 131-149.
• Algebraic multiplicity of the eigenvalues of a tournament matrix,
  with D. de Caen, S. J. Kirkland, N. J. Pullman and J. S. Maybee,
  Linear Algebra Appl. 169 (1992) 179-193.
• Real rank as a bound for nonnegative integer rank,
  with D. de Caen, T. D. Henson, J. R. Lundgren and J. S. Maybee,
  Journal of Comb. Math. and Comb. Computing 11 (1992) 47-53.
• Pick's inequality and tournaments,
  with S.J. Kirkland and B.L. Shader, Linear Algebra Appl. 186 (1993) 15-36.
• Power convergent Boolean matrices,
  with S. J. Kirkland and N. J. Pullman, Linear Algebra Appl. 179 (1993) 105-117.
• On the dimension of the algebra generated by a Boolean matrix,
  with S. J. Kirkland and N. J. Pullman, Linear and Multilinear Algebra 38 (1994) 131-144.
• A bound on the exponent of a primitive matrix using Boolean rank,
  with S. J. Kirkland and N. J. Pullman, Linear Algebra Appl. 217 (1995) 101-116.
• Directed Moore hypergraphs,
  with F. O. Ergincan, Discrete Applied Mathematics 63 (1995) 117-127.
• Skew rank decompositions,
  with B.L. Shader and K.N. Vander Meulen, Linear Algebra Appl. 244 (1996) 123-154.
• Rank decompositions and signed bigraphs,
  with B. L. Shader and K. N. Vander Meulen, Linear and Multilinear Algebra 40 (1996) 283-302.
• Sharp bounds for decompositions of graphs into complete r-partite subgraphs,
  with K.N. Vander Meulen, Jour. Graph Theory 21 (1996) 393-400.
• Some eigenvalue inequalitites for matrices with restricted entries,
  with Jian Shen, Linear and Multilinear Algebra 41 (1996) 107-112.
• Decompositions of complete multigraphs related to Hadamard matrices,
  with K.N. Vander Meulen, Jour. Comb. Theory A. 82(2) (1998) 158-167.
• Exponents of indecomposability,
  with Jian Shen and S.W. Neufeld, Linear Algebra Appl. 288 (1999) 229-241.
• Singular values of tournament matrices,
  with S.J. Kirkland, Elec. Jour. Linear Algebra 5 (1999) 39-53.
• Biclique decompositions and Hermitian rank,
  with V.L. Watts and B.L. Shader, Linear Algebra Appl. 292 (1999) 267-280.
  [1970-79]   [1980-89]   [1990-99]    [2000-09]    [Home]

• Exponents of vertex-transitive digraphs,
  with Jian Shen, Discrete Mathematics 212 (2000) 245-255.
• Two conjectures on the index of convergence of an irreducible Boolean matrix,
  with Jian Shen, Congressus Numerantium 146 (2000) 43-50.
• On the girth of digraphs with high connectivity,
  with Jian Shen, Ars Combin. 60 (2001) 201-207.
• The spread of the spectrum of a graph,
  with D. Hershkowitz and S. Kirkland, Linear Algebra Appl. 332-334 (2001) 23-35.
• Inertia and biclique decompositions of joins of graphs,
  with B. Heyink and K. Vander Meulen, Jour. Comb. Theory B 88 (2001) 135-151.
• Addressing the Petersen graph,
  with R. Elzinga and K. Vander Meulen, Discrete Mathematics 286 (2004) 241-244.
• Extreme eigenvalues of nonregular graphs,
  with S. Cioaba and V. Nikiforov, Jour. Comb. Theory B 97 (2007) 483-486
• Large matchings from eigenvalues,
  with S. Cioaba, Linear Algebra Appl. 422 (2007) 308-317.
• Principal eigenvectors of irregular graphs,
  with S. Cioaba, Elec. Jour. Linear Algebra 16 (2007) 366-379.
• Clique partitions of distance multigraphs,
  with M. Cavers, R. Elzinga, S. Vanderlinde and K. Vander Meulen, Discrete Mathematics 308 (2008) 3230-3240.
• Perfect matchings in regular graphs from eigenvalues,
  with S. Cioaba and W. Haemers. Jour. Comb. Theory B 99 (2009) 287-297.