vexillary permutation
vexillary permutation · vexillary permutations
A permutation μ of the positive integers containing no subpermutation isomorphic to…A permutation μ of the positive integers containing no subpermutation isomorphic to the permutation (2143); in other words, there do not exist four numbers i < j < k < l with μ(j) < μ(i) < μ(l) < μ(k).
Meaning
1 sensesA permutation μ of the positive integers containing no subpermutation isomorphic to the permutation (2143); in other words, there do not exist four numbers i < j < k < l with μ(j) < μ(i) < μ(l) < μ(k).
Origin
So called because they are related to flags of modules.So called because they are related to flags of modules.
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Forms
plural: vexillary permutations| Singular | vexillary permutation |
|---|---|
| Plural | vexillary permutations |
regular