Magma V2.18-8 Wed Sep 5 2012 13:11:24 on luna [Seed = 1059609653] Type ? for help. Type -D to quit. Loading file "rationalpoints5tuples.mg" Version 24/7/2012 > Cuenta00({0,1,4,7,8},{1,4,7},2,1); ================================================= ========= { 0, 1, 4, 7, 8 } ========= ================================================= XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX ==== J= { 1, 4, 7 } ; {j1,j2}={2,1} ==== XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX D=1 --> deltas=[ 1, 2, -3, -6 ] ::: (1,1) ::: (1)*(t^2 - 10/3*t + 2)*(t^2 + 2*t - 6) *** Elliptic curve base point = (1 : -3 : 0) ***** h_K = 1 --> Minimal Model - RankBound for delta = 1 --> r = 1 ##### Rank = 1 > 1 ::: (1,2) ::: (1)*(t^2 - 10/3*t + 2)*(t^2 - 2/3*t - 2/3) *** Elliptic curve base point = (1 : -9 : 0) ***** h_K = 1 --> Minimal Model - RankBound for delta = 1 --> r = 0 $$$$$$$$$$ [OK] --------> { (1 : 1), (1 : 0) } t=1 -> (q,a)=(0,1) --> [ 1, 1, 1, 1, 1 ] t=oo -> (q,a)=(0,1) --> [ 1, 1, 1, 1, 1 ] ::: (1,1) ::: (2)*(t^2 - 10/3*t + 2)*(t^2 + 2*t - 6) $$$$$$$$$$ [OK] Bruin-Stoll ------------> #Hk=0 ::: (1,1) ::: (-3)*(t^2 - 10/3*t + 2)*(t^2 + 2*t - 6) *** Elliptic curve base point = (0 : -6 : 1) ***** h_K = 1 --> Minimal Model - RankBound for delta = -3 --> r = 0 $$$$$$$$$$ [OK] --------> { (2 : 1), (0 : 1) } t=2 -> (q,a)=(0,1) --> [ 1, 1, 1, 1, 1 ] t=0 -> (q,a)=(0,1) --> [ 1, 1, 1, 1, 1 ] ::: (1,1) ::: (-6)*(t^2 - 10/3*t + 2)*(t^2 + 2*t - 6) $$$$$$$$$$ [OK] Bruin-Stoll ------------> #Hk=0 ############## SOLUTION: { [ 1, 1, 1, 1, 1 ] } ############## true { [ 1, 1, 1, 1, 1 ] } { (1 : 1), (2 : 1), (1 : 0), (0 : 1) } <{ 0, 1, 4, 7, 8 }, { 1, 4, 7 }, [ 2, 1 ], 1, [ 1, 2, -3, -6 ], <1, <[ 1, 2 ], t^2 - 10/3*t + 2, t^2 - 2/3*t - 2/3>, <<1, -9, 0>, <0, -1, 0, -12, 0>, "Rank 0", 0, <(1 : 1), (1 : 0)>, <[ 1, 1, 1, 1, 1 ]>>>, <2, <[ 1, 1 ], t^2 - 10/3*t + 2, t^2 + 2*t - 6>, <"Bruin-Stoll">>, <-3, <[ 1, 1 ], t^2 - 10/3*t + 2, t^2 + 2*t - 6>, <<0, -6, 1>, <0, -1, 0, -12, 0>, "Rank 0", 0, <(2 : 1), (0 : 1)>, <[ 1, 1, 1, 1, 1 ]>>>, <-6, <[ 1, 1 ], t^2 - 10/3*t + 2, t^2 + 2*t - 6>, <"Bruin-Stoll">>> >