Monthly Archives: January 2013

Primality and Factoring in Number Fields

Posted on January 28, 2013 by Gil Kalai

Both PRIMALITY – deciding if an integer n is a prime and FACTORING – representing an integer as a product of primes, are algorithmic questions of great interest. I am curious to know what is known about these questions over … Continue reading →

Posted in Number theory | Tagged , | 9 Comments

Election Day

Posted on January 22, 2013 by Gil Kalai

Vox populi, vox dei! Today is the general election day in Israel. This is an exciting day. For me election is about participation much more than it is about influence and I try not to miss it.  This is why … Continue reading →

Posted in Rationality, Updates | Tagged | 5 Comments

Jerusalem in Snow

Posted on January 16, 2013 by Gil Kalai
Posted in Updates | Tagged , | 1 Comment

Symplectic Geometry, Quantization, and Quantum Noise

Posted on January 1, 2013 by Gil Kalai

Over the last two meetings of our HU quantum computation seminar we heard two talks about symplectic geometry and its relations to quantum mechanics and quantum noise. Yael Karshon: Manifolds, symplectic manifolds, Newtonian mechanics, quantization, and the non squeezing theorem. … Continue reading →

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