mollifier

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English[edit]

Etymology[edit]

mollify +‎ -er

Noun[edit]

mollifier (plural mollifiers)

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Wikipedia

  1. (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[1], 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.