Physicists have rebuffed the existence of power laws governing the dynamics of traded stock volatility, volume and intertrade times at times of stock price extrema. They did this by demonstrating that what appeared as "switching ...
Mathematics
May 15, 2012
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Online scams including identity theft schemes, "advance fee" and "romance fraud" cost Americans some $485 million in 2011, a report prepared for the FBI said Thursday.
Internet
May 10, 2012
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Error-correcting codes are one of the triumphs of the digital age. They’re a way of encoding information so that it can be transmitted across a communication channel — such as an optical fiber or a wireless connection ...
Computer Sciences
Feb 10, 2012
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Hackers stole account information of more than 360,000 of Citigroup Inc.'s U.S. credit card customers in a recent data breach, the bank said Wednesday, almost double the number initially thought.
Internet
Jun 16, 2011
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Google on Thursday will launch a mobile payment platform that lets people use smartphones to pay at shops as easily as they use a credit card, according to a source familiar with the matter.
Business
May 25, 2011
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The National Australian Bank's widespread delays in processing payments and transactions have been blamed on a corrupted file, but sensible design of enterprise systems should be able to overcome this sort of problem, says ...
Software
Nov 29, 2010
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0
(PhysOrg.com) -- Building on a seminal study recognizing the effect of liquidity on U.S. Treasury securities, a new study by a University of Arkansas researcher documents a strong, positive relationship between expected return ...
Economics & Business
Apr 15, 2009
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