Jacobian ideal
In mathematics the Jacobian ideal or gradient ideal is the ideal generated by the Jacobian of a function or function germ. Let denote the ring of smooth functions and f a function in the ring. The Jacobian ideal of f is
In mathematics the Jacobian ideal or gradient ideal is the ideal generated by the Jacobian of a function or function germ. Let denote the ring of smooth functions and f a function in the ring. The Jacobian ideal of f is