We introduce the concept of formal bracket of a Lie algebroid and of its formal action by modifying the general idea of formal version of differential operators. We apply these notions in the theory of functorial prolongations of Lie algebroids and their actions.
We introduce the concept of formal bracket of a Lie algebroid and of its formal action by modifying the general idea of formal version of differential operators. We apply these notions in the theory of functorial prolongations of Lie algebroids and their actions. (en)