Browsing RMU Faculty Research by Author "Steffy, Daniel E."

Browsing RMU Faculty Research by Author "Steffy, Daniel E."

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  • Chopra, Sunil; Shim, Sang Ho; Steffy, Daniel E. (Discrete Applied Mathematics, 2019-01)
    For the integer knapsack problem, the i/k -facets with dividing 6 or 8 were shown to be very strong and efficiently separated (Chopra et al., 2015; Shim et al., 2017). We give a concise characterization of the i/k -facets ...
  • Cheng, Eddie; Li, Li; Liptak, Laszlo; Shim, Sang Ho; Steffy, Daniel E. (Graphs and Combinatorics, 2017)
    In this paper we work to classify which of the (n, k)-star graphs, denoted by Sn,k , are Cayley graphs. Although the complete classification is left open, we derive infinite and non-trivial classes of both Cayley and ...

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