Schubert (1949) showed that every knot can be uniquely decomposed (up to the order in which the decomposition is performed) as a knot sum of a class of knots known as prime knots, which cannot themselves be further decomposed (Livingston 1993, p. 5; Adams 1994, pp.
The Moors were Muslim inhabitants of the Maghreb, the Iberian Peninsula, Sicily, and Malta during the Middle Ages.
âFrom the Arabs and Moors come stuffed vegetables and the use of dried fruits and pine nuts.â âWhen the Moors conquered most of the known world in the eighth century, they used a special technique to aid their cause.â âSo Leonardo grew up with a North African education under the Moors and later travelled extensively around the Mediterranean coast.â