Elliot Anshelevich David Kempe Jon M. Kleinberg Stability of Load Balancing Algorithms in Dynamic Adversarial Systems. 1656-1673 2008 37 SIAM J. Comput. 5 http://dx.doi.org/10.1137/050639272 db/journals/siamcomp/siamcomp37.html#AnshelevichKK08