lifting operator
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Lifting bag — A lifting bag is an item of diving equipment consisting of a robust and air tight bag with strops, which is used to lift heavy objects underwater by means of the bag s buoyancy. The heavy object can either be moved horizontally underwater by the… … Wikipedia
Dilation (operator theory) — In operator theory, a dilation of an operator T on a Hilbert space H is an operator on a larger Hilbert space K , whose restriction to H is T. More formally, let T be a bounded operator on some Hilbert space H, and H be a subspace of a larger… … Wikipedia
Commutant lifting theorem — In operator theory, the commutant lifting theorem, due to Sz. Nagy and Foias, states that if T is a contraction on a Hilbert space H, U is its minimal unitary dilation acting on some Hilbert space K (which can be shown to exist by Sz. Nagy s… … Wikipedia
Dirac operator — In mathematics and quantum mechanics, a Dirac operator is a differential operator that is a formal square root, or half iterate, of a second order operator such as a Laplacian. The original case which concerned Paul Dirac was to factorise… … Wikipedia
Equipment Operator (US Navy) — Equipment Operator (abbreviated as EO) is a United States Navy occupational rating.Equipment Operators perform tasks involving deployment and operation of automotive, materials handling, weight lifting and construction equipment; direct and… … Wikipedia
Crane (machine) — A modern crawler type derrick crane with outriggers. The latticed boom is fitted with a jib. A crane is a type of machine, generally equipped with a hoist, wire ropes or chains, and sheaves, that can be used both to lift and lower material … Wikipedia
National Commission for the Certification of Crane Operators — Type Professional Organization Founded 1995 Location Fairfax, VA (headquarters office) Key people John M. Kennedy, president … Wikipedia
Kite types — Colorful delta wing kite Kites are tethered flying objects which fly by using aerodynamic lift, requiring wind, (or towing), for generation of airflow over the lifting surfaces. Contents 1 Kite … Wikipedia
Elevator — For other uses, see Elevator (disambiguation). A set of lifts in the lower level of a London Underground station. The arrows indicate each elevator s position and direction of travel … Wikipedia
Second generation wavelet transform — In signal processing, the second generation wavelet transform (SGWT) is a wavelet transform where the filters (or even the represented wavelets) are not designed explicitly, but the transform consists of the application of the Lifting… … Wikipedia
Differential geometry of surfaces — Carl Friedrich Gauss in 1828 In mathematics, the differential geometry of surfaces deals with smooth surfaces with various additional structures, most often, a Riemannian metric. Surfaces have been extensively studied from various perspectives:… … Wikipedia
