YES(?,O(n^2)) 728.56/295.18 YES(?,O(n^2)) 728.56/295.18 728.56/295.18 Problem: 728.56/295.18 a(a(x)) -> b(b(x)) 728.56/295.18 b(b(a(x))) -> a(b(b(x))) 728.56/295.18 728.56/295.18 Proof: 728.56/295.18 Complexity Transformation Processor: 728.56/295.18 strict: 728.56/295.18 a(a(x)) -> b(b(x)) 728.56/295.18 b(b(a(x))) -> a(b(b(x))) 728.56/295.18 weak: 728.56/295.18 728.56/295.18 Matrix Interpretation Processor: dim=1 728.56/295.18 728.56/295.18 max_matrix: 728.56/295.18 1 728.56/295.18 interpretation: 728.56/295.18 [b](x0) = x0, 728.56/295.18 728.56/295.18 [a](x0) = x0 + 5 728.56/295.18 orientation: 728.56/295.18 a(a(x)) = x + 10 >= x = b(b(x)) 728.56/295.18 728.56/295.18 b(b(a(x))) = x + 5 >= x + 5 = a(b(b(x))) 728.56/295.18 problem: 728.56/295.18 strict: 728.56/295.18 b(b(a(x))) -> a(b(b(x))) 728.56/295.18 weak: 728.56/295.18 a(a(x)) -> b(b(x)) 728.56/295.18 Matrix Interpretation Processor: dim=2 728.56/295.18 728.56/295.18 max_matrix: 728.56/295.18 [1 2] 728.56/295.18 [0 1] 728.56/295.18 interpretation: 728.56/295.18 [1 1] [0] 728.56/295.18 [b](x0) = [0 1]x0 + [1], 728.56/295.18 728.56/295.18 [1 2] [0] 728.56/295.18 [a](x0) = [0 1]x0 + [4] 728.56/295.18 orientation: 728.56/295.18 [1 4] [9] [1 4] [5] 728.56/295.18 b(b(a(x))) = [0 1]x + [6] >= [0 1]x + [6] = a(b(b(x))) 728.56/295.18 728.56/295.18 [1 4] [8] [1 2] [1] 728.56/295.18 a(a(x)) = [0 1]x + [8] >= [0 1]x + [2] = b(b(x)) 728.56/295.18 problem: 728.56/295.18 strict: 728.56/295.18 728.56/295.18 weak: 728.56/295.18 b(b(a(x))) -> a(b(b(x))) 728.56/295.18 a(a(x)) -> b(b(x)) 728.56/295.18 Qed 728.56/295.19 EOF