Seth Lloyd’s quantum universe view

In an exchange of emails, Seth Lloyd and I discussed the topic I wrote about some posts ago. Here is some of it. According to Lloyd, there is a perfectly good definition of a quantum Turing machine (basically, a Turing machine with qubits and extra instructions to put those qubits in superposition, as above). A […]

Is the Universe a Computer? (Ist das Universum ein Computer?) Conference, Berlin, Germany, 6,7 November 2006

Ist das Universum ein Computer? Germany, November 2006, Informatik Jahr Deutschen Technikmuseum Berlin From Konrad Zuse’s Invention of the Computer to his “Calculating Space” to Quantum Computing. Lesson One: For someone with a hammer in his hand the world seems to be a  nail. Joseph Weizenbaun. Lesson Two: Knowing the input and the transition […]

Kurt Godel: The writings. Université de Lille III

Kurt Godel workshop for studying his legacy and writings. Lille, France, May 19-21, 2006 My thoughts, ideas, references, comments and informal notes: – The wheel machine, a machine for real computation which I am proposing -as a thought experiment- in a forthcoming paper  on the Church-Turing thesis -Yes, one more paper on the CT thesis!- […]