Conway triangle notation (edit | talk | history | protect | delete | links | watch | logs | views) – (View log | edits since nomination)

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MathWorld is notorious for neologisms, and this is one. MathWorld in turn sources this notation only to an unpublished book manuscript that uses this notation only in the formulation of a single formula. My prod saying as much was reverted by User:Mast303 with no improvement and a WP:VAGUEWAVE at notability, so here we are. —David Eppstein (talk) 03:14, 4 March 2025 (UTC)[reply]

• Note: This discussion has been included in the list of Mathematics-related deletion discussions. —David Eppstein (talk) 03:16, 4 March 2025 (UTC)[reply]

  Delete - It's surprising - you can find LOTS of people mentioning this convention, but very little discussion of the convention itself. For the amount of hits you get back, I'm definitely surprised to discover that it doesn't really seem to have enough support to justify inclusion at the moment. PianoDan (talk) 23:25, 4 March 2025 (UTC)[reply]

Comment. I don't have an opinion on whether to keep or delete the article, but I will mention that I saw this notation a long time ago. I don't think it's a term coined by MathWorld, but admittedly I have no sources to back this up. GregariousMadness (talk to me!) 00:46, 7 March 2025 (UTC)[reply]

Keep/Comment. I created this article in 2008 because I noted that a number of published papers in projective geometry that I was reading at the time used the Conway notation as a short hand and there did not exist any scholarly article detailing the notation or how best to use it. The only reference at the time was the entry in MathWorld and it referred to Yiu, P. "Notation." §3.4.1 in Introduction to the Geometry of the Triangle. pp. 33-34, Version 2.0402, April 2002.

Deleting the article because an editor believes that "Conway triangle notation" is a neologism created by MathWord seems excessive and probably incorrect. I do not know who coined the phrase "Conway triangle notation" but details of the notation were published by Paul Yiu in his very popular and well cited Book/Journal, "Introduction to the Geometry of the Triangle" first published in 2001.

Today, many papers in geometry use the notation here is a recent example:-

Trigonometric Polynomial Points in the Plane of a Triangle by Clark Kimberling 1, and Peter J. C. Moses - see section 7 at https://www.mdpi.com/3042-402X/1/1/5.

I note that there are 2 other language versions of the article. The Dutch version also has no references. Will this be deleted by the same editor or will it remain? I believe there needs to be consistency.

Finally, I will insert 2 references into the article - The Paul Yiu reference mentioned above and a reference to the Encyclopedia of Triangle Centers and ETC Part 1 "Introduced on November 1, 2011: Combos" Note 6. - Frank M. Jackson (talk) 10:42, 7 March 2025 (UTC)[reply]