I.K. Pour, D.J. Krajnovich, et al.
SPIE Optical Materials for High Average Power Lasers 1992
It is shown that every n-superconcentrator of depth 2 has size μ(n log n); that there exist n-superconcentrators of depth 2 and size O(n(log n)2); and that there exist n-superconcentrators on which the pebble game can be played in space S and time O( (n log n)2 S), for a wide range of values of S. © 1982.
I.K. Pour, D.J. Krajnovich, et al.
SPIE Optical Materials for High Average Power Lasers 1992
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Qinghua Daxue Xuebao/Journal of Tsinghua University
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IEEE International Symposium on Information Theory - Proceedings