Gamay be an early ripening Californian clone of Pinot noir. Despite similar names the grapes "Gamay du Rhône" and "Gamay St-Laurent" are not the Beaujolais grape either but rather the southwestern France grape Abouriou. In 1929, Gamay was crossed with the table grape Seidentraube (also known as "Luglienga bianca") to produce the white wine grape Regner. Gamay Gamay is a purple-colored grape variety used to make red wines, most notably grown in Beaujolais and in the Loire Valley around Tours. Its full name is Gamay Noir à Jus Blanc. It is a very old cultivar, mentioned as long ago as 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