Indian researcher helps prove math conjecture from the 1950s
On June 18, Adam Marcus and Daniel A. Spielman of Yale University, along with Nikhil Srivastava of Microsoft Research India, announced a proof of the Kadison-Singer conjecture, a question about the mathematical foundations ...
Assessing scientific research by 'citation wake' detects Nobel laureates' papers
Web site helps students in math
A University of Missouri-Columbia Web site that helps students prepare for math tests and competitions is reportedly gaining popularity.
Russian mathematician wins science award
A Russian mathematician's solution to a 100-year-old math puzzle was voted Breakthrough of the Year by Science, a leading scientific journal.
Mathematical model shows how groups split into factions
(PhysOrg.com) -- The school dance committee is split; one group wants an "Alice in Wonderland" theme; the other insists on "Vampire Jamboree." Mathematics could have predicted it.
Chern numbers of algebraic varieties
A problem at the interface of two mathematical areas, topology and algebraic geometry, that was formulated by Friedrich Hirzebruch, had resisted all attempts at a solution for more than 50 years. The problem concerns the ...
Xinwen Zhu discusses the unifying theory of mathematics
In 1994, British mathematician Andrew Wiles successfully developed a proof for Fermat's last theorem—a proof that was once partially scribbled in a book margin by 17th-century mathematician Pierre de Fermat ...
Math of elections says voters win with 'winner take all'
If we want individuals and small groups to have the democratic power to elect the president fairly, we must score presidential elections by winner-take-all states--not in a single giant national district too large for small ...
Rota's Conjecture: Researcher solves 40-year-old math problem
(Phys.org) —A Victoria University mathematician has experienced his own eureka moment, solving a 40 year-old mathematical problem.
Solving checkers a great idea
Jonathan Schaeffer 'solved' checkers this year and his achievement has been named one of 2007's top ideas by the New York Times.
Entropy study suggests Pictish symbols likely were part of a written language
Riding a bike couldn't be ... more complicated
We are told there's nothing easier than riding a bike. The reality is when it comes to staying upright, there is nothing more complicated. The mathematical formula which explains the motion of a bicycle looks like it could ...
'Econophysics' points way to fair salaries in free market
A Purdue University researcher has used "econophysics" to show that under ideal circumstances free markets promote fair salaries for workers and do not support CEO compensation practices common today.
Researcher Discovers Method to Fully Process Encrypted Data Without Knowing its Content
(PhysOrg.com) -- An IBM Researcher has solved a thorny mathematical problem that has confounded scientists since the invention of public-key encryption several decades ago. The breakthrough, called "privacy homomorphism," ...