This webpage contains the slides, handouts and homeowork assignments for the course Proof Theory of Modal Logic, which will take place within the 5th Tsinghua Logic Summer School, organized by the ...

After some serious number crunching, a researcher says that he has come up with a mathematical model for a viable time machine: a Traversable Acausal Retrograde Domain in Space-time (TARDIS). He ...

But can they discover something genuinely new? Not reformulate known theorems. Not optimize existing proofs. But find mathematical truths that no human has ever seen — results that expand the ...

Last month the U.S. Energy Secretary discussed the state of the global energy sector, including a growing divergence between American and European policies, with WSJ Deputy Editor in Chief David Crow.

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...