Wikipedia:Articles for deletion/Quaternionic matrix: Difference between revisions
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*'''comment''' We need definitions and results we can use for the article, which I don't see in any of the sources which all seem recent. It's not the place of Wikipedia to try and summarise ongoing, maybe even contentious, results. [http://www.jstor.org/pss/20488503 this] looks more promising but I can't read beyond the first page.--<small>[[User:JohnBlackburne|JohnBlackburne]]</small><sup>[[User_talk:JohnBlackburne|words]]</sup><sub style="margin-left:-2.0ex;">[[Special:Contributions/JohnBlackburne|deeds]]</sub> 23:19, 1 September 2010 (UTC)
::*Well, no, Wikipedia is the correct place to report what RS (in this case, academic papers and books) report on a subject, regardless of its ongoing status and controversiality. --[[User:Cyclopia|<font color="green">Cycl</font><big>o</big><font color="green">pia</font>]][[User talk:Cyclopia|<font color="red"><sup>talk</sup></font>]] 23:34, 1 September 2010 (UTC)
* '''Delete'''. Quaternionic matrices, i.e. square matrices whose elements are quaternions, are well-known and useful objects — for example, the compact [[symplectic group]] is realized as the maximal compact subgroup of ''GL''(''n'','''H'''). However, we already have an article [[matrix ring]] which deals with matrices over an arbitrary associative ring and I simply do not see the need for duplicating the same material in the special case of quaternions. On the other hand, the so-called "Hamiltonian" and "Octonionic" products, whose description at present comprises all of the article under discussion, are non-standard and possibly OR. (It is hard to be certain and it would be difficult to sort out notability issues because, historically, quaternionists have behaved as a sect, with their own societies and journals, and the fruits of their studies are quite isolated from mainstream mathematics.) [[User:Arcfrk|Arcfrk]] ([[User talk:Arcfrk|talk]]) 04:07, 2 September 2010 (UTC)
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