# Talk:Distribution (mathematics)

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## Multi-index

When I set up this article as a stub, I was thinking of φ as a function of *one* (real) variable. The use of the multi-index α suggests a generalization to functions of more than one variable. However, nowhere in the article this generalization is stated explicitly.--Paul Wormer 07:27, 8 December 2007 (CST)

- I'd prefer an article in , as it's the most natural setting in analysis. The reason is that we have fundamental theorems (called Sobolev Lemma(s)) for regularity of distributions and there the dimension is the crucial parameter. But I agree that a basic article
*can*be written in one dimension. So, perhaps, for simplicity of presentation it should (a section with quite simple generalisation can be added later). I'll handle (temporarily delete) the formulas with multi-index. Others may have different views.Aleksander Stos 09:56, 8 December 2007 (CST)

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