Mathematics

c.280 Pappus, an Egyptian mathematician, compiled a summary of all mathematical knowledge to date (list) c.300 In Bernares, Vatsayana Mallagana publishes the Kama Sutra, a comprehensive guide to…

Two researchers from the Spanish Centre of Astrobiology (INTA-CSIC) have developed a mathematical model which demonstrates that a mild increase in the mutation rate of some viruses can reduce their…

For your Tuesday morning meditation:  what do you get when you cross the Mandelbrot set with Eastern religion? Buddhabrot: Melinda Green made this amazing picture, has more on her website, plus…

Sleep is such an essential part of human existence that we spend about a third of our lives doing it -- some more successfully than others. Sleep disorders afflict some 50-70 million people in the…

The Shortest Path Problem in a Dynamic Network. A method is needed by which efficient new network routes can rapidly becalculated to route traffic away from problem paths and nodes. Apossible method…

This is the second of a two part blog on commutative encryption.Part one was Using Encryption to Block Spam. In part one, I showed a commutative encryption scheme.  In that scheme, the…

Using Encryption to Block Spam Tackling the problem of spam is a problem in communication. If spam is noise as against wanted communications, then the spam problem is a signal to noise filtering…

Well, OK, Excel is not going to replace Matlab or Mathematica or whatever other similar industrial-strength computing tool you use.  But this amazing site shows you how to do some powerful…

Pumpkin warning: to be read before midnight. http://arxiv.org/abs/0903.5321

6 out of every 10 university students, regardless their field of study, get anxious when it comes to mathematics, according to a research work carried out at the University of Granada.  There…