Gerard Langlet

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Gerard Langlet

Postby Stu on Sat Dec 09, 2017 5:58 pm

Is anyone out there interested in the work of Gerard Langlet? He was well known in APL circles in the 1980's and 90's. I've recently discovered that his use of not-equals scan has some potential use in cryptography. His published works in English are available on the VECTOR archive. The ones in French are harder to come by.
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Re: Gerard Langlet

Postby Bob Armstrong on Sun Dec 10, 2017 2:46 pm

I consider Gerard's work one of the purest examples of APL as a Tool of Thought . It was a path impossible without the boolean operations across vectors which simply "fell out" of Ken's factoring and generalization of algebraic operators to arbitrary functions . The Pub party at APL 97 in Toronto was dedicated to him .

( For old timers , my Casio QV10 CGA images of APL87 are at )
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Bob Armstrong
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