Calabi–Yau manifold
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In algebraic and differential geometry, a Calabi–Yau manifold, also known as a Calabi–Yau space, is a particular type of manifold which has certain properties, such as Ricci flatness, yielding applica
A 2D slice of a 6D Calabi–Yau quintic manifold.
Manifold
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In mathematics, a manifold is a topological space that locally resembles Euclidean space near each point. More precisely, an n -dimensional manifold, or n -manifold for short, is a topological space w
Calabi–Yau manifold
…In algebraic and differential geometry, a Calabi–Yau manifold, also known as a Calabi–Yau space, is a particular type of manifold which has certain properties, such as Ricci flatness, yielding applications in theoretical physics. Particularly in superstring theory, the extra…
The surface of the Earth requires (at least) two charts to include every point without plotting the same point more than once on the same chart. Here the globe is decomposed into charts around the North and South Poles.