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Major news from the quantum information front. Today I see posted on the arXiv a paper by M.B. Hastings: arXiv:0809.3972 "A Counterexample to Additivity of Minimum Output Entropy." If correct this resolves one of the most famous open problems in quantum information theory, and, even more…
As a refresher for me, and to give some examples to help you guys understand it, I'm going to go through a couple of examples of interesting things you can build with π-calculus. We'll start with a simple way of building mutable storage.
Before getting started, I'm going to be annoying and change…
As I did with my first attempt at explaining π-calculus, I think that before getting into any of the deep semantics, it's good to look at a few examples of things you can build with π-calculus. But before getting to the meat of the post, I'll give you the answer the puzzle I left in the last post…
A result of much quantum coolness out today: arXiv:0807.4935 (scirate): "Quantum Communication With Zero-Capacity Channels" by Graeme Smith and Jon Yard. Strange things they are going on when we try to use our quantum cell phones, it seems. Quantum cell phones, what the hell? Read on...
You know…
Good Prince tribute.
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your fake and this is uncredible to the max have a interesting day