We have submitted Optimal Clustering Algorithms in Block Markov Chains, and it is currently under review. This is joint work between myself and Alexandre Proutiere. A preprint is available on arXiv.
We have submitted Optimality gaps in asymptotic dimensioning of many-server systems, and it is currently under review. This is joint work between Jaron Sanders, Sem Borst, Johan van Leeuwaarden, and Guido Janssen. The arXiv preprint can be obtained via this link.
We will present Scaled control in the QED regime at Performance 2013, which is joint work between A.J.E.M. Janssen, J.S.H. van Leeuwaarden and Jaron Sanders. You can find the preprint on arXiv. The published version appeared in the journal Performance Evaluation, volume 70, issue 10.