The mathematical structure of Escher’s “Print Gallery” painting [pdf!] has been unraveled in 2003, and this site shows how the method can be applied in graphics programs to create similar distortions and endless zoom animations.
Mathematical analysis of works by another Dutch artist showed that Van Gogh painted the characteristic pattern of turbulence in several if his works. (Original publication [pdf])
The swirling skies of The Starry Night, painted in 1889, Road with Cypress and Star (1890) and Wheat Field with Crows (1890)  one of the van Gogh’s last pictures before he shot himself at the age of 37  all contain the characteristic statistical imprint of turbulence, say the researchers.
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“We think that van Gogh had a unique ability to depict turbulence in periods of prolonged psychotic agitation,” says Aragon.
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