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This is an old revision of this page, as edited by 65.12.202.14 (talk) at 05:20, 18 March 2010. The present address (URL) is a permanent link to this revision, which may differ significantly from the current revision.

Welcome!

Hello, Tkuvho, and welcome to Wikipedia! Thank you for your contributions. I hope you like the place and decide to stay. Here are some pages that you might find helpful:

I hope you enjoy editing here and being a Wikipedian! Please sign your messages on discussion pages using four tildes (~~~~); this will automatically insert your username and the date. If you need help, check out Wikipedia:Questions, ask me on my talk page, or ask your question on this page and then place {{helpme}} before the question. Again, welcome!

Hi! Remember to add references to your page or the content in question may be deleted. Good luck and happy editing--Pianoplonkers (talk) 16:48, 20 October 2009 (UTC)[reply]

Talk pages

We usually permit people to remove comments they have made from talk pages, as long as nobody else has responded to the comment. Of course the edits are still in the page history either way. There's not any overriding need to prevent people from retracting a statement that they later feel was ill considered. — Carl (CBM · talk) 15:26, 2 November 2009 (UTC)[reply]

Chang's conjecture

Yes, I plan to add material and re-organize that page. Not very soon, though. Currently I am visiting a different university and am busy with other things. Cheers. Kope (talk) 14:39, 17 December 2009 (UTC)[reply]

Using Google Scholar hits or similar

Hi, if you check out Wikipedia:Reliable sources/Noticeboard#Can Google hit counts ever be cited as a reliable source? there is a reasonable discussion about these sorts of sources. These are excluded from articles on the basis of SYNTH and OR. You can, of course, use the information to support a discussion about notability on the article talk page. In the case of Steve Shnider it may be better to find international awards for his work or independent reviews of his books as sources to add. Cheers—Ash (talk) 12:11, 18 January 2010 (UTC)[reply]

You seem to be insufficiently familiar with notability criteria for scientific articles. The criteria explicitly state that both math reviews and google SCHOLAR provide valid indications of notability. You seem further to confuse google and google scholar, a very different engine. Tkuvho (talk) 12:31, 18 January 2010 (UTC)[reply]
Actually the Noticeboard discussion specifically discussed the case for Google Scholar. If you doubt this example discussion (just the first one I picked out) you can try searching RS/N for yourself. Notability of the article is not at issue, just the inclusion of this transient original research. As you do not seem to give much weight to my experience and have reversed my edit (again), I'll ask for an independent third opinion which may help explain the matter. I shall copy this discussion onto the article talk page for the convenience of an opinion.—Ash (talk) 13:15, 18 January 2010 (UTC)[reply]
I don't understand the logic behind your agreeing that "notability is not an issue" and at the same time insisting on placing the "notability" tag on the article. Informal discussions at the noticeboard are one thing, but guidelines to the effect that specifically in mathematics it is appropriate to use google scholar, another. Tkuvho (talk) 13:27, 18 January 2010 (UTC)[reply]

Comment

Sorry, I think we got off on the wrong foot. Let's step back from all of this and try to find a mutually satisfactory solution at Dirac delta function. Best, Sławomir Biały (talk) 12:46, 4 February 2010 (UTC)[reply]

All feet are fine. I understand that you find the new material startling (I must say it was to me as well). Nonetheless, the current version of the page does not correspond to our historical knowledge. Tkuvho (talk) 12:47, 4 February 2010 (UTC)[reply]

Let's discuss at the article's talk page

The paragraph needs expansion and improvement; we can discuss it there. Bill Wvbailey (talk) 16:18, 24 February 2010 (UTC)[reply]

Luxemburg

When you changed Luxemburg from a redirect into a disambiguation page, you may not have noticed that nearly 200 other Wikipedia articles contain links to "Luxemburg". When you change the page that an existing title links to, "it is strongly recommended that you modify all pages that link to the old title so they will link to the new title." --R'n'B (call me Russ) 10:44, 25 February 2010 (UTC)[reply]

History of logic

Hi - I have added to the section on post WW2 - would you have a look? Thanks From the other side (talk) 16:57, 14 March 2010 (UTC)[reply]

I still think that your comment is written from an "inside" viewpoint of a mathematical logician, rather than the way it looks to a broader mathematical observer. I am perfectly happy with "history of logic" being written from such an "inside" viewpoint, but my own opinion is that Robinson's contribution, in the eyes of a broader public, does not appear more minor than any of the other items currently mentioned. Tkuvho (talk) 17:00, 14 March 2010 (UTC)[reply]

Irrationals

Hi, I didn't see how to respond before. I have that book on request. I relied on a claim elsewhere that this is how he does it and the small amount I could see on Amazon.com I think that the 1947 "Theory of Functions" by Joseph Fell Ritt does this also (and more throughly) and am waiting to check. I finally tracked down a reference to the authoritative article Eléments d'analyse de Karl Weierstrass by Piere Dugac in the Archive for History of Exact Sciences Volume 10, Numbers 1-2 / January, 1973 Pages 41-174. Fortunately for me not all 134 pages are in French. Unfortunately those that aren't are notes in German and I don't really read either language (but the article no doubt covers much more than irrationals.) From what I have seen elsewhere he used aggregates of units and unit fractions noting that e is {1 1, 1/2,1/6,1/24,...} and {1/15, 1/15} (being 0.23333) is the same as {1/10,1/10,1/100,1/100,1/100,1/1000,...} Given one aggregate on can break a part 1/a into n parts 1/na like 1/3 into 1/12,1/12,1/12,1/12 then you have to explain operations, negatives and when x<y (when any finite subset of x can be dominated by a finite subset of y.) Now if all of his examples stick to aggregates using 1/10s, 1/00s , 1/100s etc. one has a case for decimal fractions. His students tended to describe his things as sums (additive aggregates) but he himself was careful to take them as whole infinite sets. --65.12.202.14 (talk) 05:20, 18 March 2010 (UTC)[reply]

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