User talk:Spectral sequence/Archive1

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Excirial^{(Contact me,Contribs)} 19:53, 9 July 2012 (UTC)[reply]

ambiguity

We say that F is a T_i-field if any such system, of degrees d₁, ..., d_m has a common non-zero solution whenever[...etc...]

Does this mean "[...]if there is any system of degrees that has a common non-zero solution whenever[...etc...]", or does it mean "[...]if it is the case that _any_ such system, no matter which one, has a common non-zero solution whenever[...etc...]"? A reasonable person might read it either way. In the first case, changing "any" to "some" would resolve the ambiguity; in the second case, changing "any" to "every" would do it. "Any" is sometimes a hazardous word. I've changed it to "every" in the article. Michael Hardy (talk) 20:18, 15 July 2012 (UTC)[reply]

Boettcher Equation

I made a minor correction to address the issue discussed. talk. — Preceding unsigned comment added by 134.245.14.185 (talk) 19:33, 19 July 2012 (UTC)[reply]

Disambiguation link notification for May 20

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May 2013

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A bowl of strawberries for you!

A bowl of strawberries for you! Solomon7968 21:46, 15 June 2013 (UTC)[reply]

Thank you! Spectral sequence (talk) 08:25, 16 June 2013 (UTC)[reply]

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Fabry gap theorem (check to confirm | fix with Dab solver)

added a link pointing to Natural boundary

Turán's method (check to confirm | fix with Dab solver)

added a link pointing to Power sum

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Turán's method

In Turán's method, you've got

s_{\nu }=\sum _{n=1}^{N}b_{n}z_{n}^{\nu }.\

Then later you say the first result applies to sums where $|z_{\nu }|>1$ for all ν. Then you say for any range of ν length N, there is some ν with |s_ν| ≥ something. So you're using the letter ν as the _exponent_ in the expression that defines the sum s_ν, in which the subscript on z is n rather than ν. And at the same time, you've got ν as the subscript on z when you take about the range of values of ν.

That is at best an unclear way to say something. Could you clarify? Michael Hardy (talk) 15:35, 18 June 2013 (UTC)[reply]

It should have been sums s_ν where

|z_{n}|\geq 1

for all n etc. Thank you for pointing that out -- fixed now. Spectral sequence (talk) 17:19, 18 June 2013 (UTC)[reply]

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Euler's totient function (check to confirm | fix with Dab solver)

added a link pointing to Unsolved Problems in Number Theory

Nontotient (check to confirm | fix with Dab solver)

added a link pointing to Unsolved Problems in Number Theory

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from user:mathdata

I did not remove the notability tag from Mathematics Library (IA collection). Please explain that why did you send me this message!!!!!!!! Mathdata (talk) 19:09, 19 July 2013 (UTC)[reply]

My mistake, sorry. Spectral sequence (talk) 19:12, 19 July 2013 (UTC)[reply]

Wisdom needed

Would you like to chime in on Talk:Power_factor#Negative_Power_Factor.3F? There is an issue on as to whether power factors can be described as being negative values. Basically it is the ~~sine~~ cosine value in the 2nd and 4th quadrants. I studied them in school during electrical training. We were taught that they were either 'leading' or 'lagging' depending on which quadrant they were in. I always assumed it was an absolute ~~sine~~ cosine value with lead or lag specified. Since digital meters started being used then things may have changed. Meters are programmed to read out +/- because that is probably easier than lead/lag. This is the most common text used by electricians and should be available in most libraries.--Canoe1967 (talk) 15:50, 28 July 2013 (UTC)[reply]

Thank you for the flattering implication of your message heading but this is rather far from my field of expertise. All I can suggest is going by what reliable sources say. Spectral sequence (talk) 15:55, 28 July 2013 (UTC)[reply]

You are very welcome. I have never joined the discussion there as it is my day job and not my time off/Wikipedia interest. I did notice that they refer to many sources except AC Fundamentals which is probably the most reliable. I have just Googled other definitions. Most seem to state that it is a decimal ratio of apparent to reactive power. I don't think decimal ratios can be negative values but meters read them that way. I corrected my above as it is actually the cosine of the angle. 77 degrees below x is cosine .22, 77 degrees above x is still cosine .22 but power meters will read it out as -.22 and +.22. I think this is why there is such a huge discussion on it. My library just moved but after they are unpacked I may get a copy of the best RS and chime in on that talk page for the first time. Thank you for taking the time to respond.--Canoe1967 (talk) 16:32, 28 July 2013 (UTC)[reply]

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Response to your query about mathematical editors

Mathematical editors are being treated with the highest degree of respect. There has been no discourtesy or lack of concern about mathematical editors at all. The source editor will remain available so nothing about mathematical editing needs to change at all.--Jimbo Wales (talk) 13:29, 29 July 2013 (UTC)[reply]

Thank you for taking the time to reply personally. My concern was about the way the WMF was communicating with editors such as myself, and while I am grateful for your assurances, the fact that I had to go all the way to the top to get such a clear and unambiguous commitment does, I think, support my assertion that the WMF had failed to communicate adequately. Spectral sequence (talk) 16:33, 29 July 2013 (UTC)[reply]

Talkback

Hello, Spectral sequence. You have new messages at Matty.007's talk page.
Message added 19:27, 2 August 2013 (UTC). You can remove this notice at any time by removing the {{Talkback}} or {{Tb}} template.[reply]

Mat ty.007 19:27, 2 August 2013 (UTC)[reply]