riemann-surface sheet
11Curvature — In mathematics, curvature refers to any of a number of loosely related concepts in different areas of geometry. Intuitively, curvature is the amount by which a geometric object deviates from being flat, or straight in the case of a line, but this …
12Gauss, Carl Friedrich — orig. Johann Friedrich Carl Gauss born April 30, 1777, Brunswick, Duchy of Brunswick died Feb. 23, 1855, Göttingen, Hanover German mathematician, astronomer, and physicist. Born to poor parents, he was a prodigy of astounding depth. By his early… …
13topology — topologic /top euh loj ik/, topological, adj. topologically, adv. topologist, n. /teuh pol euh jee/, n., pl. topologies for 3. Math. 1. the study of those properties of geometric forms that remain invariant under c …
14Hyperbolic geometry — Lines through a given point P and asymptotic to line R. A triangle immersed in a saddle shape plane (a hyperbolic paraboloid), as well as two diverging ultraparall …
15Partial differential equation — A visualisation of a solution to the heat equation on a two dimensional plane In mathematics, partial differential equations (PDE) are a type of differential equation, i.e., a relation involving an unknown function (or functions) of several… …
16Music theory — is the study of how music works. It examines the language and notation of music. It seeks to identify patterns and structures in composers techniques across or within genres, styles, or historical periods. In a grand sense, music theory distills… …
17Timeline of tuberous sclerosis — The timeline of tuberous sclerosis discovery and research spans less than 200 years. Tuberous sclerosis (TSC) is a rare, multi system genetic disease that causes benign tumours to grow in the brain and on other vital organs such as the kidneys,… …
18Plane (geometry) — Two intersecting planes in three dimensional space In mathematics, a plane is a flat, two dimensional surface. A plane is the two dimensional analogue of a point (zero dimensions), a line (one dimension) and a space (three dimensions). Planes can …
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