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Math Trek

Math
Outstanding, superlinear cities
By a new mathematical method, New York City proves average and San Francisco exceptional.

Math
Crowdsourcing peer review
MATH TREK: A claimed proof that P≠NP spurs a massive collaborative research effort.

The pattern collector
Neil Sloane's Encyclopedia of Integer Sequences outgrows its creator.

Math
When intuition and math probably look wrong
A twist on the Two Children Problem shows how information can steer what looks probable.

Math
Milliondollar math prize awarded, but not necessarily accepted
The reclusive mathematician who proved the Poincaré conjecture may or may not claim his prize.

Math
The mutual inspiration of art and mathematics
Economics, origami and other fields trigger new and original creations.

Math
Teaching a computer to spot a bogus Bruegel
Mathematicians apply a technique from vision research to find fake art.