Mohammad Shahabsafa

On Pathological Disjunctions and Redundant Disjunctive Conic Cuts

  • Julio C. Góez
  • Tamás Terlaky
  • Mohammad Shahabsafa
    • Categories Integer Programming, Second-Order Cone Programming Tags , ,

    The development of Disjunctive Conic Cuts (DCCs) for Mixed Integer Second Order Cone Optimization (MISOCO) problems has recently gained significant interest in the optimization community. In this paper, we explore the pathological disjunctions where disjunctive cuts do not tighten the description of the feasible set. We focus on the identification of cases when the generated … Read more

    The Inmate Assignment and Scheduling Problem and its Application in the PA Department of Correction

  • Kristofer B. Bucklen
  • Naga Venkata Chaitanya Gudapati
  • Tamás Terlaky
  • Louis J. Plebani
  • Mohammad Shahabsafa
  • Anshul Sharma
  • George R. Wilson
    • Categories (Mixed) Integer Linear Programming, Applications - OR and Management Sciences, Applications - Science and Engineering Tags , ,

    The inmate assignment project, in close collaboration with the Pennsylvania Department of Corrections (PADoC), took five years from start to successful implementation. In this project, we developed the Inmate Assignment Decision Support System (IADSS), where the primary goal is simultaneous and system-wide optimal assignment of inmates to correctional institutions (CIs). We develop a novel hier- … Read more