even permutation
noun Mathematics.
a permutation of a set of n elements, x1, x2, … xn, that leaves unchanged the product of all differences of the form (xi — xj), where i is less than j.
Compare
odd permutation.
Origin of even permutation
First recorded in 1930–35
Words nearby even permutation
evelyn,
evemerus,
even,
even money,
even out,
even permutation,
even so,
even up,
even-handed,
even-minded,
even-steven