YES(?,O(n^1)) 8.84/2.41 YES(?,O(n^1)) 8.84/2.41 8.84/2.41 Problem: 8.84/2.41 a(b(a(x1))) -> b(x1) 8.84/2.41 b(a(b(x1))) -> b(b(b(x1))) 8.84/2.41 b(b(x1)) -> a(a(a(x1))) 8.84/2.41 8.84/2.41 Proof: 8.84/2.41 Complexity Transformation Processor: 8.84/2.41 strict: 8.84/2.41 a(b(a(x1))) -> b(x1) 8.84/2.41 b(a(b(x1))) -> b(b(b(x1))) 8.84/2.41 b(b(x1)) -> a(a(a(x1))) 8.84/2.41 weak: 8.84/2.41 8.84/2.41 Matrix Interpretation Processor: dim=1 8.84/2.41 8.84/2.41 max_matrix: 8.84/2.41 1 8.84/2.41 interpretation: 8.84/2.41 [b](x0) = x0 + 155, 8.84/2.41 8.84/2.41 [a](x0) = x0 + 37 8.84/2.41 orientation: 8.84/2.41 a(b(a(x1))) = x1 + 229 >= x1 + 155 = b(x1) 8.84/2.41 8.84/2.41 b(a(b(x1))) = x1 + 347 >= x1 + 465 = b(b(b(x1))) 8.84/2.41 8.84/2.41 b(b(x1)) = x1 + 310 >= x1 + 111 = a(a(a(x1))) 8.84/2.41 problem: 8.84/2.41 strict: 8.84/2.41 b(a(b(x1))) -> b(b(b(x1))) 8.84/2.41 weak: 8.84/2.41 a(b(a(x1))) -> b(x1) 8.84/2.41 b(b(x1)) -> a(a(a(x1))) 8.84/2.41 Arctic Interpretation Processor: 8.84/2.41 dimension: 2 8.84/2.41 interpretation: 8.84/2.41 [1 0] 8.84/2.41 [b](x0) = [2 1]x0, 8.84/2.41 8.84/2.41 [0 1 ] 8.84/2.41 [a](x0) = [-& 0 ]x0 8.84/2.41 orientation: 8.84/2.41 [4 3] [3 2] 8.84/2.41 b(a(b(x1))) = [5 4]x1 >= [4 3]x1 = b(b(b(x1))) 8.84/2.41 8.84/2.41 [3 4] [1 0] 8.84/2.41 a(b(a(x1))) = [2 3]x1 >= [2 1]x1 = b(x1) 8.84/2.41 8.84/2.41 [2 1] [0 1 ] 8.84/2.41 b(b(x1)) = [3 2]x1 >= [-& 0 ]x1 = a(a(a(x1))) 8.84/2.41 problem: 8.84/2.41 strict: 8.84/2.41 8.84/2.41 weak: 8.84/2.41 b(a(b(x1))) -> b(b(b(x1))) 8.84/2.41 a(b(a(x1))) -> b(x1) 8.84/2.41 b(b(x1)) -> a(a(a(x1))) 8.84/2.41 Qed 8.84/2.41 EOF