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Location: Categories / Science & Technology / Mathematics

Magazine articles on mathematics.
Old Articles: <Older 221-230 Newer>
Science News
November 12, 2005
Ivars Peterson
Ranking College Football Teams If you aren't happy with where your team stands in the national rankings, two scientists have developed a novel ranking scheme based on the mathematics of networks. mark for My Articles 263 similar articles
Science News
November 5, 2005
Ivars Peterson
Climbing a Watery Slope Research by mathematicians involving the meniscus-climbing actions of water-walking insects sheds new light on fluid dynamics. mark for My Articles 10 similar articles
Financial Planning
November 1, 2005
Craig L. Israelsen
Ways of Means Committee There's a critical difference between arithmetic and geometric means when calculating average annualized return. As the standard deviation (or volatility) of annual returns increases, the arithmetic mean grows larger than (and therefore, further away from) the correct geometric mean. mark for My Articles 23 similar articles
Science News
October 29, 2005
Ivars Peterson
Ask-a-Friend Marketplaces How much incentive is required for a member of a social network to have a reasonable probability of extracting an answer to a query from the network? Here's the mathematical response. mark for My Articles 13 similar articles
Science News
October 22, 2005
Misleading Numbers The "Number Watch" Web site focuses on "misleading" numbers that appear in the media and are often used to promote specific causes. mark for My Articles 27 similar articles
Science News
October 1, 2005
Ivars Peterson
Numbers of No Escape Why do such mathemagical black holes occur? In general, processes that turn large inputs into significantly smaller outputs can quickly reduce even an infinite universe of starting points to a manageable, finite set of cases. mark for My Articles 11 similar articles
Science News
September 24, 2005
Math Music An interactive Web site, developed at Eastern Washington University, provides variety of tools for composing music based on mathematical recipes that convert sequences of numbers -- such as pi, or Fibonacci numbers -- into sounds. mark for My Articles 26 similar articles
Bio-IT World
September 2005
Stephen Langdell
Data Mining and the Euredit Project The multimillion-dollar, EU-funded research project on statistical methods for data mining, is creating interesting possibilities for many bioinformatics endeavors, including microarray analysis and forecasting trends. mark for My Articles 15 similar articles
Technology Research News
September 19, 2005
Two Schools of Cryptography Hard numbers vs. uncertainty: Computationally secure methods use cryptographic keys that are answers to difficult-to-solve mathematical problems. Probabilistically secure methods use cryptographic keys chosen at random from a fast source of random signals. mark for My Articles 86 similar articles
Science News
September 17, 2005
Ivars Peterson
A Mathemusical Potpourri Are you curious about the sound of pi? What sort of tune is the Dow Jones Industrial Average singing today? How does redwood DNA translate into an environmental symphony? A new computer program and Web site allows you to find out. mark for My Articles 8 similar articles
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