Tempranillo more acidic wine. Tempranillo is the major component of the typical Rioja blends and constitutes 90-100% of Ribera del Duero wines. In Australia, Tempranillo is blended with Grenache and Shiraz, also known as Syrah. In Portugal, where it is known as "Tinta Roriz", it is a major grape in the production of some Port wines. Tempranillo is native to northern Spain and widely cultivated as far south as La Mancha. The two major regions that grow Tempranillo are Rioja, in north central Spain, and Ribera del Duero, which lies a little farther to the south. Substantial quantities are also grown
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