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Gu, Diana

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Contact Information
Weizhan (Diana) Gu, Ph.D.
Professor


Office: MCS 567
Email: wg04@txstate.edu
Phone: 512.245.9017
 
Research Interest
Graph theory

Dr. Gu received her Ph.D. from Louisiana State University in 1990. Her research interests includes: Graph theory, network designs, facility location on networks, and some distance problems. Resently, she has been working on permutation graphs, domination in graphs, and eccentric digraphs.


Selected Publications:

  • Gu, Weizhen; Jia, Xingde; Wu, Haidong; Chords in graphs. Australas. J. Combin. 32 (2005), 117--124.
  • Gu, Weizhen; On central appendage number of a uniform central graph. Proceedings of the Thirty-third Southeastern International Conference on Combinatorics, Graph Theory and Computing (Boca Raton, FL, 2002). Congr. Numer. 159 (2002), 69--75.
  • Chartrand, Gary; Gu, Weizhen; Schultz, Michelle; Winters, Steven J.; Eccentric graphs. Networks 34 (1999), no. 2, 115--121.
  • On Diameter of Permutation Graphs, Networks, 33(1999), 161--166.
  • On Eccentric Graphs, Congressus Numerantium, 140(1999), 199--207.
  • Gu, Weizhen; On upper bound of diameters of permutation graphs. Proceedings of the Twenty-seventh Southeastern International Conference on Combinatorics, Graph Theory and Computing (Baton Rouge, LA, 1996). Congr. Numer. 121 (1996), 223--230.
  • Representation of Plurality Preference Digraphs Realized by Trees, I: Necessary and Sufficient Conditions, (with K. B. Reid), Discrete Math., 147(1995), 185--196.
  • On Realizations of Digraphs by Preferences Based on Distances in Graphs, (with K. B. Reid and W. Schnyder), J. Graph Theory, 19(1995), 367--373.
  • Minimal Embedding of Two Graphs as Center and Periphery, J. Graphs and Combinatorics, 9(1993), 315--323.
  • Representation of Plurality Preference Digraphs Realized by Trees, II: On Realization Numbers, (with K. B. Reid),  Discrete Math., 101(1992), 231--249.
  • Exact Order of Subsets of Asymptotic Bases, (with S. Chen), J. of Number Theory 41(1992), 15--21.
  • Peripheral and Eccentric Vertices in Graphs,(with K.B.Reid), J. Graphs and Combinatorics 8(1992), 361--375.
  • Peripheral and Eccentric Vertices in Products of Graphs, (with K.B.Reid), Congressus Numerantium} 79(1990), 79--88.
  • Finding Centers of Certain Tree-like Networks, (with K.B.Reid), Congressus Numerantium} 67(1988), 265--278.