Other Sciences - Mathematics news

Protecting confidential data with math

Statistical databases (SDBs) are collections of data that are used to gather and analyze information from a variety of sources. The data may be derived from sales transactions, customer files, voter registrations, medical ...

Dec 16, 2011 5 / 5 (1) 0 | with audio podcast

Mathematics: Mapping a fixed point

(PhysOrg.com) -- For fifty years, mathematicians have grappled with a so-called “fixed point” theorem. An EPFL-based team has now found an elegant, one-page solution that opens up new perspectives ...

Nov 23, 2011 4.7 / 5 (19) 8 | with audio podcast

A revolution in knot theory

In the 19th century, Lord Kelvin made the inspired guess that elements are knots in the "ether". Hydrogen would be one kind of knot, oxygen a different kind of knot---and so forth throughout the periodic table ...

Nov 10, 2011 4.8 / 5 (36) 21 | with audio podcast

Fighting violent gang crime with math

(PhysOrg.com) -- UCLA mathematicians working with the Los Angeles Police Department to analyze crime patterns have designed a mathematical algorithm to identify street gangs involved in unsolved violent crimes. Their research ...

Oct 31, 2011 4.4 / 5 (9) 7 | with audio podcast