semistandard en · ADJ
Etymology
From semi- + standard.
Meanings
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(not-comparable) Of a Young tableau: having the entries weakly increasing along each row and strictly increasing down each column.
In the Grassmannian case, a prism tableau with colors ignored is a semistandard Young tableau.
2015, Anna Weigandt, Alexander Yong, “The Prism tableau model for Schubert polynomials”, in arXiv: