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.
1A tract of open uncultivated upland, typically covered with heather. âa little town in the moorsâ. âHills, valleys, moors, and forests across the whole of the British Isles provided varying resources for local human communities.â. âI move the bees to the heather on the moors when it flowers in August.â.