Changes between Initial Version and Version 4 of Ticket #15310


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Timestamp:
10/22/13 13:31:36 (6 years ago)
Author:
ncohen
Comment:

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  • Ticket #15310

    • Property Status changed from new to needs_review
    • Property Commit changed from to 7487b62fe657ef04722f06fa5c1e7647855e4f89
    • Property Dependencies changed from to #15287
    • Property Branch changed from to u/ncohen/15310
  • Ticket #15310 – Description

    initial v4  
     1This ticket implements Wilson's construction of transversal designs (which are equivalent to OA and MOLS) as found in Douglas Stinson's book.
     2
     3The implementation of the construction is not a very technical problem though it requires several parameters that are not obvious when the user asks for a transversal design of parameters `k,n`. A function `find_wilson_decomposition` thus tries to guess those parameters, and needs for that to know the values of `k,n` for which Sage knows how to build a transversal design.
     4
     5It can then try all possibilities, and use Wilson's construction as efficiently as possible !
     6
     7Nathann