User talk:Roger Hui

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Erdős number 2[edit]

Hi Roger, I wonder if you could insert information as to Erdős numbers into articles that you add to categories such as Category: Erdős number 2 , via a "Misc", "Trivia", or "other" section. For example, Albert Einstein and William Thurston, according to your edits, have Erdős number 2 , but there is no quick way to verify this or see the chain of collaborations, which is something a great many people would probably regard as of key interest.--C S (Talk) 16:02, 4 April 2006 (UTC)

There is a chain of links that ends up in a pretty good source: Category:Erdős number 2 to Erdős number to (in the External Links section [[1]]. Roger Hui 16:09, 4 April 2006 (UTC)

I've added a link to the category page that links directly to your source's Erdos 2 list. My concern was that people clicking on the category page would be confused, but I think that's taken care of now. --C S (Talk) 16:59, 4 April 2006 (UTC)

Hi Roger. Why are you not listed in Category:Erdős number 2 ? The stated source document for the category, http://www.oakland.edu/enp/Erdos2 , does list you. Rohan Jayasekera 06:06, 25 October 2006 (UTC)

Because I am adverse to editing my own page, and no one else has put in the category reference. Roger Hui 06:10, 25 October 2006 (UTC)
I thought so. You're listed now! Rohan Jayasekera 03:10, 29 October 2006 (UTC)

Hi Roger. If you (or anyone else with any interest in Erdős numbers) don't happen to follow the XKCD comic strip, I suggest having a look at XKCD #599. Rohan Jayasekera (talk) 22:28, 21 June 2009 (UTC)

Thanks. I saw it last Friday when it came out. Roger Hui (talk) 05:09, 23 June 2009 (UTC)

Re-greetings[edit]

Hi Roger! Yes, I've been updating Wikipedia for some time, mostly just small fixes such as the one you noticed. I've written one article from scratch, Allison Crowe. I've also created a Rohan Jayasekera page: not about me, but rather a disambiguation page for the two Rohan Jayasekera entries, neither of which is about me!

Congratulations on having an Erdős number of 2! (Normally when I end a sentence with an exclamation point and there is a number immediately preceding, I insert a space to avoid an interpretation of "factorial". Fortunately in this particular case that's not a problem!) --Rohan Jayasekera 10:07, 9 April 2006 (UTC)


CfD[edit]

Check this out: [2]bunix 02:01, 14 October 2006 (UTC)

I guess I started this whole mess by creating Category:Erdős number 1 and Category:Erdős number 2. I've cast my vote. Roger Hui 11:41, 15 October 2006 (UTC)

Infobox[edit]

Trying to reach an infobox consensus here: [3]. Please can you weigh-in with your opinion? SureFire 00:19, 17 October 2006 (UTC)

I have no opinion on this matter. Roger Hui 01:02, 17 October 2006 (UTC)

NY Times[edit]

Okay, if the Room Number 204 is the room, I will put that.

Some may be confused by the NY Times graphics. I understood that the Times lumped student deaths with professor deaths with the total "death" figures. Also, I believe what is implied is that not all of the kids were present in class, hence the reason why the number of survivors + dead does not add up to the number of registered students (and add the fact that professors were added with the dead). WhisperToMe 03:15, 23 April 2007 (UTC)

By the way, if you have a more up to date source (E.G. a source mentioning more known survivors), that would be appreciated. WhisperToMe 03:22, 23 April 2007 (UTC)

I found this http://www.washingtonpost.com/wp-srv/metro/interactives/vatechshootings/shootings_timeline.html - So I can cross-check the details :) WhisperToMe 05:45, 23 April 2007 (UTC)

Crap! It's not the same kind of map. Lemme see if I can find a diagram like it... WhisperToMe 05:52, 23 April 2007 (UTC)

I found this: http://www.cbsnews.com/htdocs/guns_in_america/html/virginia_tech/vt_shooting_intro.html

Go to "Campus Map" and you will find a new diagram. See the talk page for more details. WhisperToMe 06:03, 23 April 2007 (UTC)

Erdős number‎ categories nominated for deletion[edit]

Removed cfdnotice, cfd has completed. --Kbdank71 17:37, 9 May 2008 (UTC)

Categories by Erdos numbers[edit]

User:Mikkalai/By Erdos contains a very raw list made from remnants of categories and the log of the bot which implemented the deletion you opposed. Please join the discusion here to decide how to proceded. A clandestinely proud Erdos-Number-3-wikipedian `'Míkka 16:27, 2 November 2007 (UTC)

Deletion of the Erdos Number categories[edit]

Recently, as you know, the categories related to Erdos Number were deleted. There are discussions and debates across several article talk pages (e.g. the Mathematics WikiProject Talk page. I've formally requested a deletion review towards overturning the deletion, at this deletion review log item.

  • P.S., to a chessplayer, the diagrams look very confusing :-) What, those are solutions for "most Queens and Knights that don't attack each other"? Pete St.John 21:15, 7 November 2007 (UTC)

Thanks for letting me know. I am disappointed over the deletion and tire of the whole issue. I do wish you luck in your attempts at overturning. The diagrams on my user page are indeed all unique solutions to the Queens and Knights problem. You can get more information by following the example link. Roger Hui 21:43, 7 November 2007 (UTC)

actually, I think "tired of the whole issue" is exactly why they win. So I'll just quote you as an example :-) I'm sorry this sucks but since hew & cry decides alot of practical issues, outside of the subject matter of mathematics but sometimes concerning mathematicians, I"m raising some hew and cry. Pete St.John —Preceding comment was added at 21:47, 7 November 2007 (UTC)
I understand and sympathize, but there are not enough hours in the day for me to fight over everything that I am disappointed about. Roger Hui 21:53, 7 November 2007 (UTC)

Wikipedia:Articles for deletion/APL function symbols[edit]

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Hello, Roger Hui. You have new messages at Wikipedia:Articles for deletion/APL function symbols.
You can remove this notice at any time by removing the {{Talkback}} or {{Tb}} template.

--Cybercobra (talk) 21:52, 11 August 2009 (UTC)

Iota missing on IBM 2741 APL keyboard image?[edit]

Hi Roger. In the image of the IBM 2741 APL keyboard layout used in the IBM 2741 article, I think it's missing an Greek IOTA over the "I". Shift-"I" should give an IOTA for APL. That's my recollection from the 1960s. Is the image a trick? --- (Bob) Wikiklrsc (talk) 02:35, 6 February 2010 (UTC)

  • Yes, on the IBM 2741 shift i is iota. However, I have no idea how to go about correcting the image on the IBM 2741 page. Roger Hui (talk) 02:45, 6 February 2010 (UTC)
    • Thanks, Roger. The whole mnemonic mechanism of the keys is hardly forgotten after forty some odd years. "i" = IOTA, "k" = (kw)QUOTE, "e" = EPSILON, etc. I even had to use APL\1130 with the three-case-shift. No, one doesn't readily know how to alter the image and get it accepted again on WP. Bests. --- (Bob) Wikiklrsc (talk) 18:37, 6 February 2010 (UTC)
    • Roger, I wrote to the uploader of the image and he uploaded a new correct image. Bests. -- (Bob) Wikiklrsc (talk) 18:50, 6 February 2010 (UTC)

Mock-Up[edit]

Charles Hallam Brenner (b. 1945) is an American mathematician who is the originator of forensic mathematics.

He received a BS from Stanford University in 1967 and a Ph.D. in number theory from UCLA in 1984.

Brenner was also participated in the implementation of APL\360, and implemented the transpose and rotate primitive functions.

GA Thanks[edit]

Symbol support vote.svg This user helped promote the article Enrico Fermi to good article status.

On behalf of WP:CHICAGO, I would like to thank you for your editorial contributions to Enrico Fermi, which has recently become a GA.--TonyTheTiger (T/C/BIO/WP:CHICAGO/WP:FOUR) 07:54, 4 May 2013 (UTC)