Kashiwara operator
= Kashiwara operator
{c}
{title2=$\widetilde e_i,\widetilde f_i$}
{wiki=Crystal_base#Definition}
On a crystal, $\widetilde f_i$ follows an edge of color $i$ and $\widetilde e_i$ follows that edge backwards.
= Kashiwara operator
{c}
{title2=$\widetilde e_i,\widetilde f_i$}
{wiki=Crystal_base#Definition}
On a crystal, $\widetilde f_i$ follows an edge of color $i$ and $\widetilde e_i$ follows that edge backwards.