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location United Kingdom
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visits member for 4 years, 6 months
seen May 1 at 15:06

Have D.Phil in Mathematical Physics from 25 years ago.

I also like to work in the mathematical foundations of Computer Science and AI. I would be interested to find a merger of work in all three areas....

I am currently updating my understanding of mathematics fundamentals (Set Theory, Reverse Mathematics, Mathematical Logic, etc) and looking at non-standard ideas there to see if any might provide a basis for a different framework for understanding Quantum Theory.


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Jan
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comment From differentials to differential equations
@Guido, Actually your discrete problem looks like a kind of "one way diffusion". I wonder whether modelling it on a Cellular Automata framework would be possible?
Jan
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answered From differentials to differential equations
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comment Deriving group velocity
I have extended this answer to cover some background to the calculation.
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revised Deriving group velocity
added 1389 characters in body
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comment Does the Banach-Tarski paradox contradict our understanding of nature?
Ron, Does not the Solovay model require assuming the existence of an Inaccessible Cardinal? If (mathematical) physics is to be described better with Solovay, then do you have an interpretation for this Inaccessible object?
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answered Deriving group velocity
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comment Can the Big Rip really rip apart an atomic nucleus?
So to summarise this conclusion in terms of the actual question:(1) The Big Rip will happen (up to atom scale at least);(2) Cosmological isotropy assumptions dont make any difference - the basic theory is sound;(3) Nuclear Rip may or may not happen. Is this the "correct picture"?