spherical section
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Spherical harmonics — In mathematics, the spherical harmonics are the angular portion of an orthogonal set of solutions to Laplace s equation represented in a system of spherical coordinates. Spherical harmonics are important in many theoretical and practical… … Wikipedia
Spherical sector — Sector Sec tor, n. [L., properly, a cutter, fr. secare, sectum, to cut: cf. F. secteur. See {Section}.] 1. (Geom.) A part of a circle comprehended between two radii and the included arc. [1913 Webster] 2. A mathematical instrument, consisting of… … The Collaborative International Dictionary of English
Spherical ungula — Ungula Un gu*la, n.; pl. {Ungul[ae]}. [L., a claw, hoof, from unguis a nail, claw, hoof.] 1. A hoof, claw, or talon. [1913 Webster] 2. (Geom.) A section or part of a cylinder, cone, or other solid of revolution, cut off by a plane oblique to the… … The Collaborative International Dictionary of English
Plancherel theorem for spherical functions — In mathematics, the Plancherel theorem for spherical functions is an important result in the representation theory of semisimple Lie groups, due in its final form to Harish Chandra. It is a natural generalisation in non commutative harmonic… … Wikipedia
Neutron cross section — Science with Neutrons Foundations Neutron temperature Flux · Radiation … Wikipedia
Atmospheric reentry — refers to the movement of human made or natural objects as they enter the atmosphere of a planet from outer space, in the case of Earth from an altitude above the edge of space. This article primarily addresses the process of controlled reentry… … Wikipedia
Cone (linear algebra) — In linear algebra, a (linear) cone is a subset of a vector space that is closed under multiplication by positive scalars. In other words, a subset C of a real vector space V is a cone if and only if λx belongs to C for any x in C and any positive … Wikipedia
Convex cone — In linear algebra, a convex cone is a subset of a vector space over an ordered field that is closed under linear combinations with positive coefficients. A convex cone (light blue). Inside of it, the light red convex cone consists of all points… … Wikipedia
Volleyball — For other uses, see Volleyball (disambiguation). V ball redirects here. For the cricket variant, see V Ball cricket. Volleyball … Wikipedia
Monolithic dome — Example of a Monolithic dome at the Centro de la Familia de Utah Migrant Head Start Center, Genola, Utah. A monolithic dome (from Greek mono and lithic, meaning one stone ) is a structure cast in a one piece form. The form may be permanent or… … Wikipedia
Soyuz spacecraft — Soyuz (Russian: Союз , pronounced|saˈjus); English: Union) is a series of spacecraft designed for the Soviet space program by the Korolyov Design Bureau. The Soyuz succeeded the Voskhod spacecraft and was originally built as part of the Soviet… … Wikipedia
