2000/04/17 by David B. Benson, Benson, David B.
Computer Science · #Computational Complexity (cs.CC) #F.1.3 #F.4.1 #FOS: Computer and information sciences #cs.CC
paper · pdf · doi:10.48550/arxiv.cs/0004009
Withdrawn
arxiv created 2000/05/12 · arxiv updated 2009/11/30
Withdrawn since -order- was overlooked. First order reductions without order are much too weak to separate.