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I don't understand the objection (i.e. Tosha's deletion of most of what was recently added) to discussing the iterative construction of most space-filling curves as sequence of approximation curves. 25 Dec 2005.
What was misleading? [Dec. 27, 2005]
I'm not translating only, but the word unarbitrarily made me think there was an error in the article... Manuel Anastácio 12:24, 16 Jun 2004 (UTC)
Please, can you give me web references for your "minor" edit: "In dimension 3, it was recently used to give a complete classification of compact 3-manifolds." in Ricci curvature. Thanks. DefLog 02:10, 24 Apr 2004 (UTC)
I mean the Perelman's solution of Thurston's conjecture. Tosha 03:39, 25 Apr 2004 (UTC)
What is the latest news, on the Perelman proof? Charles Matthews 19:47, 26 Apr 2004 (UTC)
No news, it is just solved.Tosha 04:17, 27 Apr 2004 (UTC)
Was what I wrote about where the spellings connection and connexion are most common correct?? Why did you revert?? 66.245.78.247 23:53, 28 May 2004 (UTC)
You are writing about the word but not about the term. Both of the terms used everywhere it is more related to math. school than to country. You could add it to connection (if you are sure its correct). BTW I found article connexion which does not say anything about connection maybe it shold be glued together, but I suppose it must be done by someone who knows English better than me...
Tosha 20:39, 29 May 2004 (UTC)
i noticed that you recently classified the Lie Algebra article under differential geometry. I am not sure i agree with that classification. the study of Lie Algebras is pretty much pure linear algebra, right?
You are right, my mistake Tosha 11:50, 5 Jul 2004 (UTC)
Maybe my corrections on geometry weren't lucky, but would you be so kind as to explaining your deletions (in the future) (a deletion of a sinful edit, without motivation, doesn't inhibit a fallback. Thanx Gubbubu 20:46, 7 Aug 2004 (UTC)
If by Poincare sphere you mean homology sphere, we already have a page on that. Walt Pohl 19:27, 6 Sep 2004 (UTC)
Possibly PS is a type of example of HS only; not that I'm an expert. Charles Matthews 12:09, 7 Sep 2004 (UTC)
Hello,
I found here a definition of a lambda convex function that I do quite understand. It seems to me, from a few eqamples I tried, that the factor lambda depends on a geodesic, for example its length. Would you be able to provide an example of a lambda convex function, for positive lambda, please?
Thanks for your help
Krzysztof Krakowski
my email address is kris@mcs.une.edu.au
Hi, I've started a drive to get users to multi-license all of their contributions that they've made to either (1) all U.S. state, county, and city articles or (2) all articles, using the Creative Commons Attribution-Share Alike (CC-by-sa) v1.0 and v2.0 Licenses or into the public domain if they prefer. The CC-by-sa license is a true free documentation license that is similar to Wikipedia's license, the GFDL, but it allows other projects, such as WikiTravel, to use our articles. Since you are among the top 1000 Wikipedians by edits, I was wondering if you would be willing to multi-license all of your contributions or at minimum those on the geographic articles. Over 90% of people asked have agreed. For More Information:
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Why? Is said knowledge in the article somewhere that I missed? Cburnett 23:08, 11 Dec 2004 (UTC)
I do not think it directly related Tosha 23:25, 12 Dec 2004 (UTC)
How is the fact that Pythagoras didn't prove the theorem not relate to the theorem? You're going to have to explain this one a little better than with 7 words. I'd all but guarantee people don't know this fact. How is it less related than the bit about the Indians, Greeks, Chinese, etc.? Trim it down? Maybe. Reword it? Maybe. Cburnett 23:43, 12 Dec 2004 (UTC)
Well, you do not know for sure, all you know is that it is proved in Euckids book, and it is unlikely due to Euckid, anyway it is more related to history of math. Yes, Pythagoras did not have a proof in a way we understand it now, but the same is true for Euckid (although it is closer) so there is no point in your statement. The same is true for all old theorems... Tosha 01:04, 13 Dec 2004 (UTC)
You inserted an interwiki to the ru: article, but it doesn't exist. Maybe there was a typo, or perhaps you're just planning on writing the article later. Just thought I'd give you a heads up on it. I'll check back in a day or two and if the article's not there or the link hasn't been corrected, I'll remove the interwiki. Cheers. CryptoDerk 22:08, Jan 27, 2005 (UTC)
Tosha 00:52, 28 Jan 2005 (UTC)
Thank you for your contributions to matrix (mathematics). I have just one request. Could you please put an edit summary when you make a change? For example, by writing "+ru" in the edit summary, you will let people know you put a Russian link. This would be very helpful. Thanks! Oleg Alexandrov 04:28, 3 Mar 2005 (UTC)
Hi. Why did you remove the category from sphere? —msh210 14:00, 8 Mar 2005 (UTC)
It is clearly an example of metric space, but this category does not describe it best. Cat. surfeces is much better Tosha 19:11, 8 Mar 2005 (UTC)
Hi,
Sorry for the arguments over geodesic, and I would rather not battle there, as you must certainly know this material better than I. Please explain what you saw in there that was wrong. I worked hard to try to make that article easier to understand, and your edits seem to do nothing except remove a simple, easy to understand, definition while leaving the abstract complex definition untouched. I am unable to see what error this might have fixed. linas 15:24, 21 October 2005 (UTC)
Main things:
everything else is metter of style
I'm not against simple, easy to understand, definition but they should be correct Tosha 15:30, 21 October 2005 (UTC)
Hi, I just made a couple of edits to your intrinsic metric article. I left a question at Talk:intrinsic metric regarding the statement about approximate midpoints. Cheers, AxelBoldt 06:38, 10 April 2006 (UTC)
Hello,
there a few things in the definition provied I do not quite agree with. Firstly, when one talks about point, I think the points are "in" a space, not on it, as this assumes some kind of ambient space. We live in R^3, not on it.
I also think that one cannot support the stement that geodesic are defined as the shortest paths. Locally or not, because of reparametrisation, for example. I like the definition given in "John M. Lee. Riemannian Manifolds: An Introduction to Curvature. Number 176 in Graduate Texts in Mathematics. Springer-Verlag, New York, 1997. " where geodesic are simply the curves whose acceleration is zero (well, the covariant derivative of the velocity). Geodesics are, locally, the shortest paths, but the opposite is not true. From the point of view of accelaration, it is natural to see then that the lenght of the velocity vector of a geodesic is constant.
Regards
Krzysztof Krakowski
58.108.71.172 10:30, 14 April 2007 (UTC)
It is better to discuss it in geodesic --Tosha 14:42, 15 April 2007 (UTC)
Why use "Triangle Geometry", with a capital "G", rather than "Triangle geometry", with a lower-case "g", as the title of a category? Now it will have to get moved. This is one of the many many many many many many many many ways in which categories are inferior to lists. Michael Hardy 23:08, 23 August 2007 (UTC)
Hi, thank you very much for starting the article Curvature of Riemannian manifolds. In the introductory section you wrote "Riemann introduced a way to describe it as "little monster tensor"". Can cite the a source for this statement. I mean "little monster tensor". Thanx.-- hɑkeem¡ʇuɐɹɯǝǝʞɐɥ 17:23, 16 April 2008 (UTC)
See Wikipedia_talk:WikiProject_Mathematics#Convex_metric_space.
And please learn to use the edit summary, it is basic etiquette on Wikipedia and helps others understand what you do. Oleg Alexandrov (talk) 19:36, 14 September 2008 (UTC)
I have nominated Area of figure, an article you created, for deletion. I do not think that this article satisfies Wikipedia's criteria for inclusion, and have explained why at Wikipedia:Articles for deletion/Area of figure. Your opinions on the matter are welcome at that same discussion page; also, you are welcome to edit the article to address these concerns. Thank you for your time. TrulyBlue (talk) 12:19, 15 September 2008 (UTC)
Hey there...
I am going through a number of images that have some minor licensing issues. I came across Image:Kseg.png which you uploaded. The licensing on this image is not complete as it was uploaded many years ago. I wonder if you could follow the link to the image page and correct the licensing with a GFDL license (or other free license). If you have any questions or issues, please drop me a note on my talk page. Thanks. --Jordan 1972 (talk) 01:53, 5 October 2008 (UTC)
A few years ago you wrote the following in the Hausdorff paradox article:
I don't understand what you are saying. If the area is not the Lebesgue measure, then what is the connexion of the last sentence to the previous sentences?
You also wrote:
But I don't see that in the paper of Hausdorff.
Thanks. Eric Kvaalen (talk) 17:39, 29 October 2008 (UTC)
Dear User.
You contributed to the Mahalanobis distance article. Some of its content lacks citations for verification, has been challenged and may be removed. Please help improve this article by adding reliable references.Calimo (talk) 10:22, 15 December 2008 (UTC)
A proposed deletion template has been added to the article List of free electronic journals in mathematics, suggesting that it be deleted according to the proposed deletion process because of the following concern:
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Thanks for uploading File:Kseg.png. I noticed that the file's description page currently doesn't specify who created the content, so the copyright status is unclear. If you did not create this file yourself, you will need to specify the owner of the copyright. If you obtained it from a website, then a link to the website from which it was taken, together with a restatement of that website's terms of use of its content, is usually sufficient information. However, if the copyright holder is different from the website's publisher, their copyright should also be acknowledged.
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Please look at these edits. Note that
I also have qualms about linking to the surname Sharafutdinov. Since he is not an immensely famous person like Fourier, Euler, Einstein, Shakespeare, etc., including his first name in the part the reader sees, as well as the link target, seems appropriate. Michael Hardy (talk) 02:32, 2 April 2010 (UTC)
Michael, that is right name --- people use it...--Tosha (talk) 03:03, 2 April 2010 (UTC)
You appear to misunderstand. I was referring to linking simply to the surname. A link should not be simply to [[Sharafutdinov]]. Rather, one should include at least a first name. That doesn't mean one shouldn't use that name in the article. A link is a link. Michael Hardy (talk) 05:54, 4 April 2010 (UTC)
Well, you can unlink it if you want, but for sure this guy deserves a page in wikipedia. --Tosha (talk) 18:41, 4 April 2010 (UTC)
Hi, I wonder whether on soul theorem we should include the assumption that M is connected? Our definition for Riemannian manifold doesn't seem to include that assumption, but the soul theorem appears to need it, or else the disjoint union of a plane and an infinite cylinder wouldn't have a soul.
Also, in the soul conjecture, the meaning of the assumption "K>0 at some point" is not completely clear to me. Does it mean that at that point each section gives a positive sectional curvature, or at least one section at that point gives a positive curvature? From your proof sketch on Talk:Soul theorem it seems that the first interpretation is the correct one, but maybe we should make that explicit in the article itself. Cheers, AxelBoldt (talk) 17:09, 20 April 2010 (UTC)
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A discussion has begun about whether the article Mojżesz David Kirszbraun, which you created or to which you contributed, should be deleted. While contributions are welcome, an article may be deleted if it is inconsistent with Wikipedia policies and guidelines for inclusion, explained in the deletion policy.
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Dear Anton, could you please have a look on the article considered for deletion and submit your opinion (if any):
With best regards,--Agor153 (talk) 22:33, 21 December 2010 (UTC)
Could you have a look at Talk:Stone–Čech compactification and perhaps add a few words explaining your edit on Tychonoff's precedence? Thanks! --Kompik (talk) 22:50, 17 November 2011 (UTC)
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An article you recently created, Brined apples, is not suitable as written to remain published. It needs more citations from reliable, independent sources. (?) Information that can't be referenced should be removed (verifiability is of central importance on Wikipedia). I've moved your draft to draftspace (with a prefix of "Draft:
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Template:Razr has been nominated for deletion. You are invited to comment on the discussion at the entry on the Templates for discussion page. WikiCleanerMan (talk) 20:00, 18 April 2022 (UTC)
FYI I have reverted to the version of Urysohn space before 8 Aug 2022. If you have any comments, please discuss at https://en.wikipedia.org/wiki/Wikipedia_talk:WikiProject_Mathematics#Urysohn_space_vs._Urysohn_universal_space. PatrickR2 (talk) 06:00, 10 August 2022 (UTC)
I added a hatnote to Urysohn universal space and someone had already done the same for Urysohn space. Hopefully that should take care of any of your concerns. PatrickR2 (talk) 18:46, 10 August 2022 (UTC)
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