I did a quick web search. A sizable percentage of the first few hits I got were versions of the Parlett article. I can't tell the degree of scholarship that went into the WP article. A number of articles on IBCT are not by mathematicians (which of course is not to imply they were in any way deficient, of course, but I'm even less able to judge articles by electrical engineers than I am articles by mathematicians). Some are from before Parlett's 1992 article. And I'm not sure a "safety in numbers" argument, while it has at least some prima facie weight, convincingly trumps whatever Parlett, who is generally a well-regarded researcher, had to say on matters of interpretation he felt were subtle. In summary, a google search is a very superficial way to someone outside this area to do his "homework"; it would be much better to hear from someone acquainted with the issues that were brought up.
A rephrasing along your lines might be good and appropriate, but I want to avoid appearances of prejudging (e.g., casting subtle doubt on Parlett's article).
]]>At the time of reading it, I felt unable to reach a conclusion of which side had the stronger case, but I've always been curious about this and particularly what has transpired since. My general question would be: has the apparent disagreement been resolved by now, and if so, how?
Such a question might be considered controversial for MO (just as the debate was controversial for the Bulletin). In addition, this is not a question arising from my own research; it's more like idle curiosity on my part, so I'm afraid the motivation for the question is not very strong, except that I like to see mathematical issues resolved to everyone's satisfaction.
Is such a question acceptable for MO, or could it be made acceptable?
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