Before revision:  is a special case of SNR, and use this connection to establish the first global convergence theory of SNM. Indeed, by showing that SNR can be interpreted as a variant of the stochastic gradient descent (SGD)
After revision:  is a special case of SNR, and use this connection to establish the first global convergence theory of SNM. Indeed, by showing that it is a variant of the stochastic gradient descent (SGD)