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Domain: uni-hamburg.de
Stories and comments across the archive that link to uni-hamburg.de.
Stories · 3
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Collatz Proof Proposed: Hailstone Sequences End In 1
mikejuk writes "A proof [preprint PDF] has been proposed for the Collatz conjecture about hailstone sequences. A hailstone sequence starts from any positive integer n the next number in the sequence is n/2 if n is even and 3n+1 if n is odd. The conjecture is that this simple sequence always ends in one. Simple to state but very difficult to prove and it has taken more than 60 years to get close to a solution." -
Vintage Computer Festival Revisits The PC Past
OaklyBonn writes "The Vintage Computer Festival West is happening today at the Computer History Museum in Mountain View, CA. I've been to several of these, and they're always a blast. It is always amazing to see the things that our current sotware practices treat as not currently possible on todays machines (like, why is my 1ghz XP box sooo slooow?) Did the Beagle Brothers have a pact with Satan? Are we better off today than in the past?" -
Nobel Prize for Physics Announced
what_the_frell writes "According to this Fox News article, two Americans and a Russian won the 2003 Nobel Prize for Physics for research in the field of quantum physics. The trio conducted research in superconductivity and superfluidity, detailed in this official Nobel article."