Detecting True Art

Mathematics can help decide whether a painting is a forgery or a group effort.

By Emily Sohn, 00:00 AM December 1, 2004

Real or fake? In the world of art, that can be an expensive question. Famous paintings by classic artists can sell for millions of dollars. To make a quick buck, people sometimes try to sell paintings that are imitations of the real thing. When the forgeries are done well, spotting them can be a major challenge, even for experts.

Now, researchers say they have found a new way to tell the real from the fake—using mathematics.

When researchers used math to analyze an old painting called

When researchers used math to analyze an old painting called "Virgin ...

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