3 problems

Let $G(l,m)$ be a Grassmann variety and let its associated Grassmann code have higher weights. A Schubert union is a union of Schubert varieties in the Grassmann variety. Schubert-…

Let $C(2,5)$ be the Grassmann code and let $d_5$ denote its fifth generalized Hamming weight. The two described kinds of $4$-spaces compute $d_5$, with … of each kind. Minimal-supp…

Let $G(l,m)$ be the Grassmann variety of $l$-dimensional subspaces of an $m$-dimensional vector space over ${\mathbb F}_q$, embedded in the Plücker projective space…