Volume 6, Number 1, February 2009
: Minimum augmentation of edge-connectivity with monotone requirements in undirected graphs.
: Minimum partition of an independence system into independent sets.
Volume 6, Number 2, May 2009
Kevin K. H. Cheung
: A Benders approach for computing lower bounds for the mirrored traveling tournament problem.
, Levent Tunçel
: On the polyhedral lift-and-project methods and the fractional stable set polytope.
: Optimisation of unweighted/weighted maximum independent sets and minimum vertex covers.
Volume 6, Number 3, August 2009
, Franz Rendl
: Copositive and semidefinite relaxations of the quadratic assignment problem.
Volume 6, Number 4, November 2009
Irina N. Lushchakova
: Preemptive scheduling of equal length jobs with release dates on two uniform parallel machines.