isVexillary w
A permutation $p$ is Cartwright-Sturmfels if it avoids all of the following patterns: $12543$, $13254$, $13524$, $13542$, $21543$, $125364$, $125634$, $215364$, $215634$, $315264$, $315624$, and $315642$.
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This method was ported over from the MatrixSchubert package.
The object isCartwrightSturmfels is a method function.
The source of this document is in Permutations/Documentation/patternAvoidanceDocs.m2:93:0.