Tempranillo Douro it is known as Tinta Roriz and mainly used in blends to make port wine. Tempranillo arrived in California bearing the name Valdepeñas, and it was grown in the Central Valley at the turn of the 20th century. Since the climate of the Central Valley was not ideal for the grape, it was used as a blending grape for jug wine. California has since started to use it for fine wines. In Texas, the soils of the High Plains and Hill Country have been compared to those of northern Spain. Tempranillo has been well received in Texas and has
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