Layman?

A distribution is a generalized function.

Student

Researcher

• DISTRIBUTION FUNCTIONS IN PHYSICS: FUNDAMENTALS by M. HILLERY et. al.

Why is it interesting?

Distributions are the correct mathematical tools to describe fields in quantum field theory.

FAQ

Does the notion "Dirac Delta Function" make any sense?

Yes, have a look at this article.

History

Most people associate the origin of the delta function with the great physicist Paul Dirac, but in fact, it was introduced into mathematics 100 years earlier by Fourier and Cauchy. See WHO INVENTED DIRAC’S DELTA FUNCTION? MIKHAIL G. KATZ AND DAVID TALL