On $T$-invariant subvarieties of symplectic Grassmannians and representability of rank $2$ symplectic matroids over $\mathbb{C}$

Pedro L. del Angel, E. Javier Elizondo, Cristhian Garay +1

For the symplectic Grassmannian $\text{SpG}(2,2n)$ of $2$-dimensional isotropic subspaces in a $2n$-dimensional vector space over an algebraically closed field of characteristic ze…