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- W1987386318 abstract "The Hall–Paige conjecture deals with conditions under which a finite group G will possess a complete mapping, or equivalently a Latin square based on the Cayley table of G will possess a transversal. Two necessary conditions are known to be: (i) that the Sylow 2-subgroups of G are trivial or non-cyclic, and (ii) that there is some ordering of the elements of G which yields a trivial product. These two conditions are known to be equivalent, but the first direct, elementary proof that (i) implies (ii) is given here. It is also shown that the Hall–Paige conjecture implies the existence of a duplex in every group table, thereby proving a special case of Rodney's conjecture that every Latin square contains a duplex. A duplex is a ‘double transversal’, that is, a set of 2n entries in a Latin square of order n such that each row, column and symbol is represented exactly twice. 2000 Mathematics Subject Classification 05B15, 20D60." @default.
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- W1987386318 date "2003-03-01" @default.
- W1987386318 modified "2023-09-27" @default.
- W1987386318 title "LATIN SQUARES AND THE HALL–PAIGE CONJECTURE" @default.
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- W1987386318 doi "https://doi.org/10.1112/s0024609302001613" @default.
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