N = 2 Supersymmetric Quantum Black Holes in Five Dimensional Heterotic   String Vacua
  Exact black hole solutions of the five dimensional heterotic $S$-$T$-$U$ model including all perturbative quantum corrections and preserving $1/2$ of $N=2$ supersymmetry are studied. It is shown that the quantum corrections yield a bound on electric charges and harmonic functions of the solutions. 
Ingo Gaida (DAMTP, University of Cambridge)