Talk:Karl Weierstrass

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Untitled[edit]

removing * Biography - seems to be same as link below labelled uni of st andrews. 213.18.248.26 1 July 2005 08:24 (UTC)

Weierstrass theorem[edit]

Students of different disciplines or sub-disciplines are often taught about the "Weierstrass theorem," which may refer to the extreme value theorem, Stone-Weierstrass, Bolzano-Weierstrass, or who knows what. Currently Weierstrass theorem redirects to Stone-Weierstrass theorem. I think we should have it redirect to a disambiguation page of sorts, perhaps a page called, "Mathematical objects bearing the name of Karl Weierstrass," which would include a list of theorems, as well as a short description of the theorem so students can figure out which one is relevant. Does this sound like a good idea? Smmurphy(Talk) 21:21, 18 July 2007 (UTC)

Or maybe Weierstrass theorem itself could just be the disambig page. --CompuChip 14:49, 19 July 2007 (UTC)
I just noticed that in the case of Euler, List of topics named after Leonhard Euler is used. How about that for Weierstrass, too? Smmurphy(Talk) 03:06, 25 July 2007 (UTC)
I was not aware of this thread, and went ahead and made the change proposed above. This was a result of my looking for a "different" Weierstrass theorem. I hope you guys like the new page. It certainly would have helped me. --Zvika (talk) 18:37, 29 January 2008 (UTC)

Continuous, non-diff fns[edit]

I believe the essence of Weierstrass function belongs in this article, where it states that his creation disabused mathematicians (as eminent as Gauss) of a long held mistaken assumption that the class of continuous functions was Lipschitian/Lesbegian in nature. "Introduced the formalism still taught today" underwhelms me. So what? His notation was especially pedagogical? Or did he contribute something profound? There is far more insight to be had from noting that the limit theorem has an innovative challenge/response structure, which is why (or so I have long believed) that this rather simple formalism long escaped other extremely brilliant practioners. MaxEnt 03:31, 5 September 2007 (UTC)

epsilon, delta gibberish[edit]

The epsilon, delta definition as it currently appears is gibberish. Tkuvho (talk) 08:13, 14 December 2010 (UTC)

Expansion needed[edit]

Surely more can be written about such an important mathematician. His biography is brief, there's almost no discussion of the last half of his life, there's no personal life section, and his contributions to mathematics are mostly links to topics named after him. I'm no expert on Weierstrass, but I'd like to encourage someone with more expertise to expand the article. 24.220.188.43 (talk) 10:40, 30 August 2011 (UTC)

Error in "soundness of calculus" section[edit]

Seems a silly typo/mistake, but I'm not sure what the correct replacing term should be.

Near the end of the section, it says: "The epsilon-delta definition of limit ... " and what follows is the definition of continuity.

I'm actually not sure which part is incorrect --- whether K.W. indeed proposed the *limit* definition, and the error is that the definition appearing is that of continuity, or whether the error is that it says the definition of limit when it should say definition of continuity.

Please, someone that knows fix it!

Thanks! — Preceding unsigned comment added by Cal-linux (talkcontribs) 19:42, 9 February 2012 (UTC)

child with Kovalevskaya[edit]

Should this item be mentioned (while Kovalevskaya was married)? Tkuvho (talk) 08:48, 22 May 2012 (UTC)

(SEE http://www.ams.org/mathscinet-getitem?mr=1388786)