CQFD 

"CQFD" is a vibrant abstract artwork by Jaroslav Serpan, a Czech painter known for his geometric and colorful compositions. The artwork features bold lines, geometric shapes, and contrasting colors, creating a dynamic and complex visual experience. The use of overlapping circles, squares, and other geometric elements, combined with swirling lines and patterns, evokes a sense of movement and energy. This abstract work showcases Serpan's mastery of geometric design and his ability to convey a sense of depth and complexity within a seemingly simple arrangement of shapes and colors.