New Worlds of Computation 2011

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The second workshop New Worlds of Computation, which was organized by the Laboratoire d'Informatique Fondamentale d'Orléans, took place in Orléans from May 23 till May 24. A number of researchers, mostly from France, gathered and presented their work and ideas regarding computation. Françoise Chatelin talked about the necessity to use mathematical tools in computability theory that have been largely ignored until now. Obviously, such a mathematical tools include fuzzy sets, quaternions, etc. Sama Goliaei talked about her work in optical computing. Mike Stannett talked about his joint-work in cosmological computation (i.e., the exploitation of the properties of the space-time to perform hard and "impossible" computations).  Yaroslav D. Sergeyev presented his "numbering system of infinity" and its use in computation (a possibility that was mentioned in my book on hypercomputation). My talk was about vagueness and its use in computation. Unfortunately, some speakers were not talking loudly so I missed (most of ) their  talks. Below is a picture that was taken just after the launch break:
Unfortunately, it was not possible to stay one more day, but my overall impression was more than positive! Jérôme Durand-Lose, our host and organizer of NWC 2011, talked about his plans to make NWC a biennial event with formal proceedings, etc. I believe this is wonderful idea and I wish him all the best in this endeavor.

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A comment on a comment

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Recently, "someone" posted a review of my book on hypercomputation on the Brains site. The reviewer argues that This area is full of problems, some of which are physico/mathematical and some of which are conceptual. Unfortunately, from a quick sample, Syropolous's book does not avoid common mistakes and confusions—some of which I've been trying to correct in my own work. First of all, I have to admit that back in 2004 I read a paper by this reviewer, but at that time I did not considered it interesting. However, after I read this review of my book, I read The Physical Church-Turing Thesis: Modest or Bold? , the reviewer's latest manuscript, in order to see what he meant by common mistakes and confusions and how he was trying to solve them. In this manuscript, the reviewer puts forth a number of criteria that every machine has to satisfy in order to be ``useful for physical computing.'' These criteria are: Readable Inputs and Outputs Process-Independ...
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Is the Universe a Quantum Computer?

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 The idea that the Universe (whatever we may mean by this) is a some sort of a computer is a recurring theme. Recently, Nature published an article by David L. Chandler that is entitled Could the Universe be a giant quantum computer? This article is actually a tribute to Edward Fredkin, who passed away last June. The main contribution of Fredkin to the philosophy of science is his "digital philosophy" that advocates the idea that the universe is a computer and everything in our universe is discrete. I would not like to argue against the validity of these ideas (I have done so in Hypercomputation: Computing Beyond the Church-Turing Barrier and in Demystifying Computation: A Hands-On Introduction ) . However, I would like to point out that if the Universe is not a computing device, in general, then it cannot be a quantum computer, in particular. Also, what I did not like with Chandler's article is that it takes it for granted that the Universe is a computer. He did not e...
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