In the paper
QAP bounds via linear
K.G. Ramakrishnan, M.G.C. Resende, B. Ramachandran,
and J.F. Pekny, "Tight QAP bounds via linear programming," Combinatorial and Global
Optimization, P.M. Pardalos, A.
Migdalas, and R.E. Burkard, eds.,World Scientific Publishing Co.,
Singapore, pp. 297-303, 2002.
I distribute MPS files of several of the LPs considered in the paper:
Last modified: 2 June 2006