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.
The Moors initially were the Berber autochthones of the Maghreb. The name was later also applied to Arabs. Moors are not a distinct or self-defined people, and the 1911 EncyclopÃ¦dia Britannica observed that The term 'Moors' has no real ethnological value.