red, and yellow — in a thin white frame. A long scroll of tiny thumbnail images showing the changes in Mondrian’s painting style over time. The sequence begins with depictions of trees and ...

Even abstract paintings such as Piet Mondrian's 1912 cubist Gray Tree, which doesn’t visually show treelike colours, can be identified as trees if a realistic value for α is used, researchers say.

Trees depicted in the artwork of famous painters like Leonardo da Vinci and Piet Mondrian follow the math behind their branching pattern in nature, a new study says. This hidden math in some ...