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Science News
April 6, 2002
Ivars Peterson |
The EKG Sequence Sequences of numbers have long fascinated both amateur and professional mathematicians. Here's a recently discovered example that has prompted some serious mathematical investigation...   |
Science News
November 3, 2001
Ivars Peterson |
Absolutely Abnormal Identifying the normal (or even the abnormal) in mathematics can pose serious difficulties... |
Science News
June 16, 2001
Ivars Peterson |
Bubbles and Math Olympiads Predicting the geometric shapes of soap bubble clusters can lead to surprisingly difficult mathematical problems... |
Science News
March 4, 2006
Ivars Peterson |
The Limits of Mathematics No matter what the system of axioms or rules is, there will always be some assertion that can be neither proved nor invalidated within the system. |
Science News
May 28, 2005
Ivars Peterson |
Mean Median Surprise Mathematicians found, using three numbers, each M&m (mean and median) sequence they found would stabilize, eventually reaching a constant value. |
Science News
January 4, 2003
Ivars Peterson |
Sound-Byte Math Music Swedish composer Daniel Cummerow has created mathematical sound bytes belonging to a category known as algorithmic music. Each musical fragment is determined by a mathematical recipe -- a formula that links digits with musical notes and their duration... |
Science News
March 30, 2002
Ivars Peterson |
Rainbow Randomness The branch of pure mathematics known as Ramsey theory concerns the existence of highly regular patterns in sufficiently large sets of randomly selected objects. Patterns can arise out of randomness in a variety of ways... |
Science News
May 3, 2003
Ivars Peterson |
A Geometric Superformula The notion of a simple equation that you can use to generate a wide variety of geometric shapes is an immensely appealing one. Johan Gielis of Antwerp, Belgium, proposes one such formula in the March American Journal of Botany. |
Science News
September 28, 2002
Ivars Peterson |
Stepping Beyond Fibonacci Numbers Trying variants of a simple mathematical rule that yields interesting results can lead to additional discoveries and curiosities. |
Science News
March 12, 2005
Ivars Peterson |
Fibonacci's Other Numbers Generalized Fibonacci arrays have attractive properties and could provide a wealth of further activities for exploration... Puzzle of the Week... |
Science News
July 24, 2004
Ivars Peterson |
Math Olympiad in Athens This year, as Athens prepared for the latest edition of the Olympic Games, the Hellenic Mathematical Society hosted the 45th International Mathematical Olympiad (IMO). |
Science News
October 9, 2004
Ivars Peterson |
Randomness, Risk, and Financial Markets Approximate entropy, a novel measure used to determine the irregularity of a sequence of numbers, can be applied to stock market performance... Puzzle of the Week... |
Science News
May 17, 2003
Ivars Peterson |
Sequence Puzzles Neil A.J. Sloane of AT&T Shannon Labs in Florham Park, N.J., has been collecting number sequences ever since he was a graduate student at Cornell University in the 1960s. |
Science News
September 25, 2004
Ivars Peterson |
Euler's Sums of Powers For anyone fascinated by powers and integers, there's no shortage of problems to tackle, whether by ingenious logic or massive computer search... PUzzle of the Week... |
Science News
June 30, 2001
Ivars Peterson |
Random Home Runs In the current issue of the Journal of Recreational Mathematics, economist Paul M. Sommers of Middlebury College, Vermont, addresses the question of whether top home-run sluggers knock out homers at random or whether they hit in streaks... |
Science News
December 14, 2002
Ivars Peterson |
A Trillion Pieces of Pi Computer scientist Yasumasa Kanada and his coworkers at the University of Tokyo Information Technology Center have now succeeded in computing 1,241,100,000,000 decimal digits of pi, smashing their own previous world record of 206,158,430,000 digits, set in 1999. |
Science News
May 5, 2001
Ivars Peterson |
Lava Lamp Randomness Invented in 1963, a decorative fixture in many homes during the 1970s, and still in production, Lava Lite lamps are now the object of renewed curiosity. Indeed, researchers have come up with a novel application of the mesmerizing movements of the lamp's globules, as randomization seeds... |
Salon.com
September 5, 2002
David Appell |
Math = beauty + truth / (really hard) Explaining what the winners of the world's top awards in mathematics actually do isn't as easy as adding 2+2. But we'll give it a try. |
Science News
July 29, 2006
Ivars Peterson |
Names for Numbers Recreational mathematics offers a vast playing field for amateur and professional mathematicians alike. Named numbers, such as Smiths, have all sorts of intriguing properties. |
