Changes between Initial Version and Version 2 of Ticket #6750


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Timestamp:
08/14/09 23:40:30 (12 years ago)
Author:
SimonKing
Comment:

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  • Ticket #6750

    • Property Cc david.green@… graham.ellis@… added
  • Ticket #6750 – Description

    initial v2  
    107107sage: H.massey_products(H.3,H.2,H.3)
    108108set([0, a 2-Cochain in H^*(D8; GF(2)), b_1_1^2, a 2-Cochain in H^*(D8; GF(2))])
     109sage: H.massey_products(H.3,H.2,H.3,H.2)
     110
     111set([c_2_2, a 2-Cochain in H^*(D8; GF(2)),
     112     b_1_1^2+c_2_2, a 2-Cochain in H^*(D8; GF(2)),
     113     b_1_0^2+c_2_2, a 2-Cochain in H^*(D8; GF(2)),
     114     b_1_1^2+b_1_0^2+c_2_2, a 2-Cochain in H^*(D8; GF(2))])
     115sage: H.massey_products(H.2,H.3,H.2,H.3)
     116
     117set([c_2_2, a 2-Cochain in H^*(D8; GF(2)),
     118     b_1_0^2+c_2_2, a 2-Cochain in H^*(D8; GF(2)),
     119     b_1_1^2+b_1_0^2+c_2_2, a 2-Cochain in H^*(D8; GF(2)),
     120     b_1_1^2+c_2_2, a 2-Cochain in H^*(D8; GF(2))])
    109121}}}
    110122