Using Higgs Pair Production in $e^+e^-$ or $\mu^+\mu^-$ Collisions To   Probe GUT-Scale Boundary Conditions in the Minimal Supersymmetric Model
  We delineate the techniques and prospects for using Higgs pair production in $e^+e^-$ or $\mu^+\mu^-$ collisions to probe GUT-scale boundary conditions in the minimal supersymmetric standard model. 
J.F. Gunion (U.C. Davis) and J. Kelly (U.C. Davis and Wisconsin)