2 problems

Let $Fl(n)$ be the flag variety, let $d_i$ and $d_{i+1}$ be consecutive elements in the specified degeneration order, and let an equivariant puzzle variety be the subvariety of…

Let $X_1$ and $X_2$ be the two components arising when a puzzle variety breaks in the geometric Littlewood–Richardson degeneration, and let $X_3$ be the puzzle variety correspondin…