"Discussing Claude Tousignant’s 1968 painting Accelerateur Chromatique by way of example, Baerg notes that Tousignant used 'very precise mathematical calculations to create these hard-edged concentric bands of alternating colour, which were meant to generate a pulsating kind of experience. He talked about his paintings as being pure sensation.'" http://www.ngcmagazine.ca/correspondents/exploring-math-art-at-the-winnipeg-art-gallery