twistor

twistor
Any of the complex-valued coordinates in twistor theory, which maps the geometric objects of conventional 3+1 space-time into geometric objects in a four-dimensional space, twistor space, with metric signature (2,2), a proposed path to a theory of quantum gravity.

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  • twistor — /twisˈtər/ (mathematics and physics) noun One of a number of complex variables representing the space time co ordinates, retaining their relevant symmetries twistor theory noun (physics) A theory, a candidate for the so called ‘theory of… …   Useful english dictionary

  • Twistor memory — Twistor is a form of computer memory, similar to core memory, formed by wrapping or closing magnetic tape around a current carrying wire. Although the developers, Bell Labs, had high hopes for Twistor, it was used for only a brief time in the… …   Wikipedia

  • twistor theory — noun (physics) A theory, a candidate for the so called ‘theory of everything’, that attempts to describe the structure of space as eight dimensional, using complex numbers and particle spin, and with twistors as its building blocks • • • Main… …   Useful english dictionary

  • Twistor-Theorie — Die Twistor Theorie ist ein Versuch, eine vereinheitlichte Theorie für die Gravitation und die Quantenfeldtheorie zu schaffen. Die grundlegenden Ideen der Twistor Theorie gehen ins Jahr 1967 zurück und wurden von dem britischen Mathematiker und… …   Deutsch Wikipedia

  • Twistor theory — The twistor theory, originally developed by Roger Penrose in 1967, is the mathematical theory which maps the geometric objects of the four dimensional space time (Minkowski space) into the geometric objects in the 4 dimensional complex space with …   Wikipedia

  • Twistor space — In mathematics, twistor space is the complex vector space of solutions of the twistor equation . It was described in the 1960s by Roger Penrose and MacCallum[1]. According to Andrew Hodges, twistor space is useful for conceptualizing the way… …   Wikipedia

  • Twistor correspondence — In mathematical physics, the twistor correspondence is a natural isomorphism between massless Yang Mills fields on Minkowski space and sheaf cohomology classes on a real hypersurface of CP3 …   Wikipedia

  • Twistor — La teoría de twistores es la teoría matemática que mapea los objetos geométricos del espacio tiempo tetradimensional (espacio de Minkowski) en los objetos geométricos en el espacio complejo 4 dimensional con la signatura métrica (2, 2). Las… …   Enciclopedia Universal

  • Bubble memory — Computer memory types Volatile RAM DRAM (e.g., DDR SDRAM) SRAM In development T RAM Z RAM TTRAM Historical Delay line memory Selectron tube Williams tube …   Wikipedia

  • Penrose , Sir Roger — (1931–) British mathematician and theoretical physicist Penrose, the son of the geneticist Lionel Penrose, was born at Colchester in Essex. He graduated from University College, London, and obtained his PhD in 1957 from Cambridge University.… …   Scientists

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