15 genius algorithms that aren't boring

A look at the world of algorithms designed to prevent Denial of Service attacks, jam electronic signals, monitor your behavior and tell you how bad your gout is.

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How to find 3,148,379,694 mysterious congruent numbers:

Recently a group of researchers from across the globe said they, through an algorithm for multiplying large numbers, have figured out congruent numbers up to a trillion. The problem, which was first posed more than a thousand years ago, concerns the areas of right-angled triangles. The difficult part is to determine which whole numbers can be the area of a right-angled triangle whose sides are whole numbers or fractions.

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Republished with permission from Network World (view original version)

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