Category Archives: Physics

Randomness in Nature II

In a previous post we presented a MO question by Liza about randomness:  What is the explanation of the apparent randomness of high-level phenomena in nature? 1. Is it accepted that these phenomena are not really random, meaning that given enough … Continue reading

Posted in Philosophy, Physics, Probability | Tagged , , , | 16 Comments

When Noise Accumulates

I wrote a short paper entitled “when noise accumulates” that contains the main conceptual points (described rather formally) of my work regarding noisy quantum computers.  Here is the paper. (Update: Here is a new version, Dec 2010.) The new exciting innovation in computer … Continue reading

Posted in Computer Science and Optimization, Physics | Tagged , , , | 9 Comments

Detrimental Noise

 “Imagine there’s no heaven, it’s easy(?) if you try,”    John Lennon    Disclaimer: It is a reasonable belief  (look here, and here), and an extremely reasonable working assumption (look  here) that computationally superior quantum computers can be built.    (This post and the … Continue reading

Posted in Computer Science and Optimization, Controversies and debates, Physics | Tagged , , , | 1 Comment