Tempranillo in the Penedès, Navarra and Valdepeñas regions. Tempranillo is known under a number of local synonyms in different regions of Spain: "Cencibel" and "Tinto Fino" are used in several regions, and it is known as "Tinta del País" in Ribera del Duero and the surrounding area, "Tinta de Toro" in Toro, "Ull de llebre" in Catalonia, and "Morisca" in Extremadura. The grape plays a role in the production of wines in two regions of Portugal, central Alentejo and Douro. In Alentejo Central it is known as Aragonez and used in red table wine blends of variable quality, while in the
History of manifolds and varieties spaces with a differentiable or topological structure, while "variety" refers to spaces with an algebraic structure, as in algebraic varieties. In Romance languages, manifold is translated as "variety" – such spaces with a differentiable structure are literally translated as "analytic varieties", while spaces with an algebraic structure are called "algebraic varieties". Thus for example, the french word "" means topological manifold. In the same vein, the Japanese word "" (tayōtai) also encompasses both manifold and variety. ("" (tayō) means various.) Ancestral to the modern concept of a manifold were several important results of 18th and 19th century mathematics. The oldest