# Parthenon architectural design theory debate > Live situation record from CLSTR: https://clstr.news/situations/parthenon-architectural-design-theory-debate > Updated: 2026-09-19T09:12:02.000Z. Sources: 6. Developments: 2. New mathematical research is challenging the long-held theory that the Parthenon’s architectural features were designed to correct optical illusions. For centuries, scholars believed that subtle refinements, such as the curvature of the base and the swelling of columns, were intentional mathematical corrections to prevent the structure from appearing irregular to the human eye. Research led by mathematician Alain Goriely of the University of Oxford, published in Royal Society Open Science, suggests these features may instead be the result of architectural tradition. The study indicates that the alleged optical illusions are either non-existent or imperceptible, and that the human eye can detect small curvatures under certain conditions. The researchers suggest the traditional interpretation may be an error caused by conflating original Greek intent with the later writings of the 1st-century Roman architect Vitruvius, who documented the temple centuries after its construction. ## Timeline ### 2026-09-19: Parthenon architectural design theory challenged by new mathematical research Mathematical research led by Alain Goriely challenges the theory that the Parthenon's architectural irregularities were designed as intentional optical illusions. 3 sources. https://clstr.news/cluster/parthenon-architectural-design-theory-challenged-by-new-mathematical-research ### 2026-09-16: Parthenon architectural curves debunk optical illusion myth Researchers have debunked the long-standing myth that the Parthenon’s architectural curves were designed to correct optical illusions, attributing the features to tradition instead. 3 sources. https://clstr.news/cluster/parthenon-architectural-curves-debunk-optical-illusion-myth --- Cite as: Parthenon architectural design theory debate. CLSTR, https://clstr.news/situations/parthenon-architectural-design-theory-debate