tw@gogo:~/vec> reduce 120000000 Loading image file :/usr/local/reduce37d/lisp/psl/linux/red/reduce.img REDUCE Development Version, 14-May-2003 ... 1: load "~/red/src5/crack",v3tools$ ******************************************************************** * Please note the following conventions to use these routines: * * - Vectors are denoted by a single character and products * * (A,Bx(Cx(Dx...))) by single identifiers ABCD... . For example, * * scalar products (A,B) by AB, triple products (A,BxC) by ABC, * * (A,Bx(CxD)) by ABCD and so on. For scalar and triple products * * only those versions are used for which letters are sorted * * alphabetically, for example, AB, ABU but not BA, AUB or BUA. * * - Any non-vectorial variable starts with the two characters !&. * * - For further comments see the beginning of this file and the * * files v3tools.tex and v3tools.tst. * ******************************************************************** 2: in "v3tools.tst"$ 0 = 0 0 = 0 0 = 0 Conversion into component form: 0 = 0 Conversion into vector form: 0 = 0 ========================================================== 2 One partition of input: ab*abu*uu*(aa*bb - ab ) Generating specific permutations of products of the vectors aaaabbbbuuu. 8400 permutations generated. Applying another filter, 6160 are left. At a first look 61 seem to be non-equivalent. shortened expression: abauuubbaab Conversion into extended vector form: 0 = 0 Conversion into standard vector form: 0 = 0 Conversion into component form: 0 = 0 ========================================================== 2 2 One partition of input: aa*bb*vv - aa*bv - ab *vv + 2*ab*av*bv shortened expression: 2 2 abv + av *bb Shortening of standard vector form: 0 = 0 Time: 295310 ms plus GC time: 5670 ms Poisson bracket in components: 0 = 0 Time: 6150 ms plus GC time: 560 ms Poisson bracket in vector form: 0 = 0 Time: 2980 ms Poisson bracket in vector form: 0 = 0 Time: 100 ms Poisson bracket in vector form: 0 = 0 Time: 260 ms Generation of vector products: ok. Generation of vector products with weights: ok. Check of a computed first integral: 0 = 0$ Equivalence check with FI6: 0 = 0$ Check of a computed first integral: 0 = 0$ The expression in question is functionally dependent on the list of expressions {p_1,p_2,...} in the following way: - arbcomplex(4)*p_2*p_3*p_4**2*p_6 - arbcomplex(4)*p_2*p_6**3 - arbcomplex(4)* p_3*p_5*p_6**2 + arbcomplex(3)*p_3*p_5*p_6**2 - arbcomplex(2)*p_2*p_3*p_4**2*p_6 - arbcomplex(1)*p_7$ Known first integral.$ 3: