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.
Etruscan Travels | The Etruscans | Tuscia | The Etruscan Civilization | Excursions to the Tuscia. Tuscia is the name of Southern Etruria and it is comprised in the Province of Viterbo, 90 km (60 miles) North of Rome. Its territory preserve amazing aspects and remains of the greatest civilization ever existed in Italy before the Ancient Romans complitely submitted and absorbed them only in IInd Cent.