De ou par Marcel Duchamp par Ulf Linde: A Journey Through Geometry and Art. The book captures the deep bond between Ulf Linde and Marcel Duchamp, revealing Linde’s detailed investigations into Duchamp’s works. It’s a conceptual exploration of how art, mathematics, and philosophy intertwine in Duchamp’s creations, with Linde serving as the interpreter. In Collaboration with Martin Frostner.