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density group

См. также в других словарях:

  • Density of states — Condensed matter physics Phases · Phase tr …   Wikipedia

  • Density on a manifold — In mathematics, and specifically differential geometry, a density is a spatially varying quantity on a differentiable manifold which can be integrated in an intrinsic manner. Abstractly, a density is a section of a certain trivial line bundle,… …   Wikipedia

  • Group code recording — In computer science, group code recording (GCR) refers to several distinct but related encoding methods for magnetic media. The first, used in 6250 cpi magnetic tape, is an error correcting code combined with a run length limited encoding scheme …   Wikipedia

  • Density matrix renormalization group — The density matrix renormalization group (DMRG) is a numerical variational technique devised to obtain the low energy physics of quantum many body systems with high accuracy. It was invented in 1992 by Steven R. White and it is nowadays the most… …   Wikipedia

  • Density theorem for Kleinian groups — In the mathematical theory of Kleinian groups, the density conjecture of Lipman Bers, Dennis Sullivan, and William Thurston, states that every finitely generated Kleinian group is an algebraic limit of geometrically finite Kleinian groups.… …   Wikipedia

  • Density wave theory — Image of spiral galaxy M81 combining data from the Hubble, Spitzer, and GALEX space telescopes. Density wave theory or the Lin Shu density wave theory is a theory proposed by C.C. Lin and Frank Shu in the mid 1960s to explain spiral arm structure …   Wikipedia

  • Chebotarev's density theorem — in algebraic number theory describes statistically the splitting of primes in a given Galois extension K of the field Q of rational numbers. Generally speaking, a prime integer will factor into several ideal primes in the ring of algebraic… …   Wikipedia

  • Olango Island Group — Native name: Olango …   Wikipedia

  • Renormalization group — In theoretical physics, the renormalization group (RG) refers to a mathematical apparatus that allows systematic investigation of the changes of a physical system as viewed at different distance scales. In particle physics, it reflects the… …   Wikipedia

  • Bone density — (or bone mineral density) is a medical term referring to the amount of matter per cubic centimeter of bones. [MeshName|Bone+Density] It is measured by a procedure called densitometry , often performed in the radiology or nuclear medicine… …   Wikipedia

  • Amsterdam Density Functional — (ADF) is a program for first principles electronic structure calculations that makes use of density functional theory. [ Computational Chemistry , David Young, Wiley Interscience, 2001. Appendix A. A.2.1 pg 332, ADF ] ADF was first developed in… …   Wikipedia

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