[Retros] 1. Introduction to Retrograde Analysis (Kevin Begley)

Alain BROBECKER abrobecker at yahoo.com
Sun Sep 19 14:35:40 EDT 2010

I want to repeat my thanks to Nikolai for his
introduction to RA.

> Indeed, this introduction presents many "problems" which

> are neither

> original, nor credited (particularly in the "legal?"

> section).

I said i recognised a problem as a version of
one by Eric Angelini, but as we all know the
easiest problems can well be found by independant
authors (see for example P0000971), so considering
the "legal" problems are quite simple, Nikolai
has probably used matrix he knows by heart and
hard to credit(?)...

> Pardon me if this seems overly critical -- but I hope some

> honest feedback

> might prove constructive here...


Better, another introduction written by you would
be welcome... Nikolai's work is certainly not
perfect (and none will ever be), but it exists!
I enjoyed it and discovered some ideas i was not
aware of in it (and yes i'm a weak retro fan).

Regards, Alain

Alain Brobecker (abrobecker at yahoo.com) |_ _ _ |_
http://abrobecker.free.fr/ |_)(_|(_|| ) of Arm's Tech

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