Definition from Wiktionary, the free dictionary
mollifier (plural mollifiers)
- (mathematics) An "approximation to the identity", a smooth function with special properties, used in distribution theory to create sequences of smooth functions approximating nonsmooth (generalized) functions, via convolution.
2009, Notices of the American Mathematical Society, volume 56, number 6:
- I particularly remember how, at that time, I was using his mollifier method to study the zero density of L-functions and was stuck with something.