Mathematics and art while the De Stijl movement led by Theo van Doesburg and Piet Mondrian explicitly embraced geometrical forms. Mathematics has inspired textile arts such as quilting, knitting, cross-stitch, crochet, embroidery, weaving, Turkish and other carpet-making, as well as kilim. In Islamic art, symmetries are evident in forms as varied as Persian girih and Moroccan zellige tilework, Mughal jali pierced stone screens, and widespread muqarnas vaulting. Mathematics has directly influenced art with conceptual tools such as linear perspective, the analysis of symmetry, and mathematical objects such as polyhedra and the Möbius strip. Magnus Wenninger creates colourful stellated polyhedra, originally as models for
Van der Valk Van der Valk Van der Valk is a British television series that was produced by Thames Television for the ITV network. It starred Barry Foster in the title role as Dutch detective Commissaris "Piet" (real name Simon) van der Valk. Based on the characters and atmosphere (but not the plots) of the novels of Nicolas Freeling, the first series was shown in 1972. The stories are mostly based in and around Amsterdam, where Commissaris van der Valk is a cynical yet intuitive detective. Drugs, sex and murder are among the gritty themes of the casework, contrasted against picturesque Amsterdam locations.