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Topic: Glossary of scheme theory


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In the News (Sun 3 Jun 12)

  
  Glossary of scheme theory - Wikipedia, the free encyclopedia
For an introduction to the theory of schemes in algebraic geometry, see affine scheme, projective space, sheaf and scheme.
For example, one might say of a scheme that it is connected which simply means that the underlying topological space is connected.
A scheme X is said to be irreducible when (as a topological space) it is not the union of two closed subsets except if one is equal to X.
en.wikipedia.org /wiki/Glossary_of_scheme_theory   (1033 words)

  
 Glossary
A theory of thunderstorm charge separation based upon the suggested occurrence of the Lenard effect in thunderclouds, that is, the separation of electric charge due to the breakup of water drops.
This theory, advance by Sir George C. Simpson in 1927, was initially intended to account for a bipolar charge distribution within a thundercloud having the main positive charge center near the base of the cloud and the main negative charge center higher up.
According to this theory, the lower negative charge of a thundercloud is generated by the accumulation there of raindrops which have captured predominantly negative ions in their descent through the cloud.
www.met.tamu.edu /personnel/faculty/orville/Glossary.htm   (11057 words)

  
 The IR Theory Knowledge Base
There are further nuances to the theory: for instance, the sources of power transition vary in their volitility, population change being the least volatile and political capacity (defined as the ability of the government to control resources internal to the country) the most volatile.
Prospect theory is a psychological theory of decision-making under conditions of risk and derives its name from the tenet that the notion of risk involves some prospect of loss.
No general theory of the social construction of reality is available to be borrowed from other fields and international relations constructivists have not as yet managed to formulate a fully fledged theory of their own.
www.irtheory.com /know.htm   (7025 words)

  
 Glossary of scheme theory: Encyclopedia topic
For an introduction to the theory of schemes in algebraic geometry (algebraic geometry: algebraic geometry is a branch of mathematics which, as the name suggests, combines abstract...
A scheme S is a locally ringed space (locally ringed space: in mathematics, a locally ringed space (or local ringed space) is, intuitively...
A property P of (commutative) rings ((commutative) rings: in ring theory, a branch of abstract algebra, a commutative ring is a ring in which...
www.absoluteastronomy.com /reference/glossary_of_scheme_theory   (1322 words)

  
 Glossary   (Site not responding. Last check: 2007-08-16)
Theories which may be generalized as within the category of Consequentialism are usually inconsistent with theories that find inherent value in actions per se.
Theories that permit purely random events [e.g., quantum physics with its "quantum indeterminacies"] may be described as indeterministical.
The theory behind prohibiting ex post facto laws is: it is unfair to punish a person after the fact for actions [i.e., behavior] that was legal at the time the actions were taken.
www.agh-attorneys.com /3_camo_glossary.htm   (11306 words)

  
 List of algebraic geometry topics: Encyclopedia topic
Singularity theory (Singularity theory: in mathematics, singularity theory is the study of the failure of manifold structure....
Hodge theory (Hodge theory: in mathematics, hodge theory is the study of the consequences for the algebraic topology...
Lie-Kolchin theorem (Lie-Kolchin theorem: in mathematics, the lie-kolchin theorem is a theorem in the representation theory...
www.absoluteastronomy.com /reference/list_of_algebraic_geometry_topics   (2788 words)

  
 Glossary
A multi-stage sampling scheme in which the population is first divided into clusters, then a sample of these clusters is chosen via simple random sampling, and then a simple random sample of population elements is selected within the chosen clusters.
In the context of theory construction, is the property of a theory to possibily be shown false.
Any sampling scheme in which the probability of choosing each individual is the same (or at least known, so it can be readjusted mathematically to be equal).
www.analytictech.com /mb313/glossary.htm   (2221 words)

  
 UC Davis Math: Glossary   (Site not responding. Last check: 2007-08-16)
A scheme, found by P. Kasteleyn, to change the signs of the entries of a matrix with planar sparseness in such a way that the permanent becomes the determinant.
The study of general relativity as a quantum field theory; the theory of integration of quantities over the space of Riemannian or Minkowskian metrics on a manifold.
A theory in physics that postulates a counterintuitive symmetric relationship between fermions, which are particles such as electrons that obey the Pauli exclusion principle, and bosons, which are particles such as photons that enjoy being in the same state as each other.
www.math.ucdavis.edu /glossary.html   (9932 words)

  
 CCCBDB computational thermochemistry glossary   (Site not responding. Last check: 2007-08-16)
The literature of quantum chemistry, covering both molecular orbital theory and density functional theory, is cluttered with abbreviations, acronyms, and jargon.
This is one formulation of MP2 theory using a CASSCF reference instead of a HF reference.
An approximate version of Hartree-Fock theory in which the more computationally expensive integrals are replaced by adjustable parameters, which are determined by fitting experimental atomic and molecular data.
srdata.nist.gov /cccbdb/glossary.asp   (4608 words)

  
 Color Wheel Pro: Classic Color Schemes
It is not as vibrant as the complementary scheme.
The tetradic (double complementary) scheme is the richest of all the schemes because it uses four colors arranged into two complementary color pairs.
This scheme is hard to harmonize; if all four colors are used in equal amounts, the scheme may look unbalanced, so you should choose a color to be dominant or subdue the colors.
www.color-wheel-pro.com /color-schemes.html   (737 words)

  
 [No title]
This Glossary marks terms and definitions as being either endorsed or deprecated for use in ISDs, but this Glossary is not an Internet standard.
Shirey Informational [Page 5] RFC 2828 Internet Security Glossary May 2000 In most of the cases where this Glossary provides a definition to supersede one from a non-Internet standard, the substitute is intended to subsume the meaning of the superseded "O" definition and not conflict with it.
Such a scheme creates a signature value from the hash and provides a way to verify the signature value, but does not provide a way to recover the hash result from the signature value.
www.ietf.org /rfc/rfc2828.txt   (17881 words)

  
 FAQ: Scheme Frequently Asked Questions 1/2 [Monthly posting]   (Site not responding. Last check: 2007-08-16)
Scheme is a very powerful and expressive language, but with that power comes many complexities.
Scheme is a dialect of Lisp that stresses conceptual elegance and simplicity.
Scheme is often used in computer science curricula and programming language research, due to its ability to represent many programming abstractions with its simple primitives.
www.faqs.org /faqs/scheme-faq/part1   (6346 words)

  
 Stroustrup: C++ Glossary
This is a glossary of C++ terms, organized alphabetically by concept.
I use section references, rather than page numbers, so that this glossary can be used together with translations of my books.
Thus ++ is the increment operation, not two additions, and long int is a single integer type rather than the long integer followed by an int.
public.research.att.com /~bs/glossary.html   (9794 words)

  
 iClassics   (Site not responding. Last check: 2007-08-16)
(2) In medieval theory and practice, three types of hexachord were distinguished: according to whether the B absent ("natural" hexachord, as in C-A); B was natural ("hard hexachord as in G-E); or B was flat ("soft" hexachord, as in F-D with B sharp.
Pedagogic scheme for leaning to sing melodies at sight by assigning the syllables ut, re, mi, fa, sol, la to a scale of six notes in which mi-fa is the only semitone.
This glossary is from A History of Western Music, Fifth Edition, by Donald J. Grout and Claude V. Palisca, and The Norton Anthology of Western Music, by Claude V. Palisca.
www.iclassics.com /glossaryIndex   (4960 words)

  
 Quality of Macromolecular Models
This document is a glossary of terms from macromolecular crystallography, NMR spectroscopy, and homology modeling.
With this color scheme, it is easy to distinguish the parts of the model in which we can have the most confidence.
A model is like any scientific theory: it is useful only to the extent that it supports predictions that we can test by experiment.
www.usm.maine.edu /~rhodes/ModQual   (7397 words)

  
 SIRLS: The Information Professional's Glossary
The Information Society Glossary This is based somewhere in the European Commission in Belgium, so loading may not be lightning like.
A classification scheme or subject headings system which lists subjects and their subdivisions and provides ready-made class marks or compound headings for them.
A classification scheme that identifi3es subjects by their component parts and requires fitting together the appropriate parts in order to provide a class mark for a work.
www.sir.arizona.edu /resources/glossary.html   (7294 words)

  
 Science and Religion Glossary
For example, the laws and theories of the sciences are in principle reducable to the laws of physics and chemistry.
This theory contends that all creatures are made for the benefit of humanity.
epigenesis theory that the individual is developed by structural elaboration of the unstructured egg rather than by a simple enlarging of a performed entity (Berry and Swimme: p.
ccat.sas.upenn.edu /~grassie/StudentProjects/Glossary.html   (4590 words)

  
 Encyclopaedia of Design Theory: Glossary
In statistical design theory, a block design is binary if no treatment occurs more than once in a block (that is, a part of the treatment partition and a part of the block partition meet in at most one plot).
The Johnson scheme J(v,k) is the association scheme whose elements are the k-element subsets of a set of size v, where two elements are ith associates if their intersection has size k-i.
A set of mutually orthogonal Latin squares gives rise to an association scheme as follows: the points are the cells of the squares; two points are first associates if they lie in the same row or column or contain the same entry in one of the squares, and are second associates otherwise.
www.designtheory.org /library/encyc/glossary   (13778 words)

  
 a Glossary of Art Terms: A-C
Each of the four sections of the glossary can be accessed from the top of every page on the web.
A way of suggesting the far distance in a landscape by using paler colours (sometimes tinged with blue), less pronounced tones, and vaguer forms in those areas that are farthest from the viewer.
In theory, cool colors seem to recede in space, as the distant mountains or hills tend to appear light bluish-grey, and the closer ones will be more green or brown (warmer).
essentialvermeer.20m.com /glossary/glossary_a_c.htm   (9789 words)

  
 Questionmark - Glossary of Terms
An extension of classical reliability theory and methodology in which analysis of variance is used to estimate variance components that indicate the magnitude of errors from specified sources.
A theory of test performance that emphasizes the relationship between mean item score (P) and level (0) of the ability or trait measured by the item.
In classical test theory, the term represents the ratio of true score variance to observed score variance for a particular examinee population.
www.questionmark.com /us/glossary.htm   (8522 words)

  
 Glossary   (Site not responding. Last check: 2007-08-16)
His theory is the best model for gravity thusfar, and has been confirmed in experiments and observations.
According to the theory, regardless of one's point of view (as measured by speed and direction), physical law and the speed of light are unchanged.
Einstein's theory of general relativity forecasts their existence, but they have not yet been detected.
www.belmontnc.4dw.net /glossary.htm   (12960 words)

  
 Superconductor Terms
The theory asserts that, as electrons pass through a crystal lattice, the lattice deforms inward towards the electrons generating sound packets known as "phonons".
According to BCS theory, the formula for determining the energy gap (in meV) is E
Since electron-pairing is universally agreed to be the method by which superconductivity occurs, this is the amount of energy required to disrupt the superconducting state.
superconductors.org /terms.htm   (4425 words)

  
 Glossary
Angle of attack--in the theory of airplane wings, the angle between the wing profile (roughly, measured along its bottom) and the wing's motion relative to the surrounding air.
James Clerk Maxwell's theory in 1864 suggested that light was such a wave, and today we know that such waves include all forms of light--also infra-red and ultra-violet, as well as radio waves, microwaves, x-rays and gamma rays.
Milankovich theory -- Theory by which ice ages were caused by slow changes of the motion of the Earth in space, including the coupling between the 26 000 year cycle of the precession of the equinoxes and the annual variation of the Earth-Sun distance.
www-istp.gsfc.nasa.gov /stargaze/Sgloss.htm   (14613 words)

  
 KernelGlossary - KernelNewbies Wiki
A glossary of various terms and acronyms related to the Linux kernel.
The memory allocation scheme used in the kernel.
A special networking code path where data is sent to the network directly from userspace memory; this avoids unnecessary copying of data and improves performance.
kernelnewbies.org /glossary   (3454 words)

  
 Glossary
The theory that the foundation of knowledge, mainly in the natural sciences, should be experience, observation, and experiment involving the data provided by the material, objective world.
A grouping of two or more verse lines which may be defined by the number of lines, line length, metrical form, and/or rhyme scheme.
A literary technique involving expression through a flow of words, images, and ideas similar to the unorganized flow of the mind; the term was originally coined by William James, in his Principles of Psychology (1890), where it referred to the flow of inner mental phenomena.
fajardo-acosta.com /worldlit/glossary.htm   (2816 words)

  
 Turath Theory of Arab Music by Ali Jihad Racy Maqam
Influence in the case of instruments is indicated by name derivations: for example, the lute from al-'ud; the nakers, or kettledrums, from naqqarat; the rebec from rabab; and the anafil, or natural trumpet, from al-nafir.
Each of the maqamat is based on a theoretical scale, specific notes of emphasis, and a typical pattern of melodic movement, in many instances beginning around the tonic note of the scale, gradually ascending, and finally descending to the tonic.
Although it is the basis for various musical compositions, the maqam scheme may be best illustrated through such nonmetric improvisatory genres as the instrumental solo known in Egypt and the Levant as taqasim, vocal forms such as the layali and the mawwal, and religious genres such as Qur'anic chanting and the Sufi qasidah.
www.turath.org /ProfilesMenu.htm   (3788 words)

  
 Gotcha: Glossary
dynamic capabilities - a theory of creating competitive advantage, especially in times of rapid technological change, through identification of new opportunities followed by efficient coordination of internal technical, organizational, and managerial processes for rapid and innovative product delivery.
Examples of repositories include: threaded discussion databases that hold "lessons learned" and which must be created with--at a minimum--a date, author and subject classification; product marketing materials and methods, which represent a distillation of product knowledge; competitive intelligence; and people(!).
legitimate peripheral participation - a theory that recognizes that learners can contribute even as novices while also influencing their "teachers" and changing the body of knowledge they are acquiring.
www.sims.berkeley.edu:8000 /courses/is213/s99/Projects/P9/web_site/glossary.htm   (2221 words)

  
 Glossary   (Site not responding. Last check: 2007-08-16)
In the paged-memory scheme, which requires that the microprocessor's paging feature be enabled, logical addresses are transformed into physical addresses in two steps: segment translation and page translation.
In information processing, such as the theory underlying expert (deductive) systems, a logical course through the branches of a tree of inferences leading to a conclusion.
An asymmetric scheme that uses a pair of keys for encryption: the public key encrypts data, and a corresponding secret key decrypts it.
support.microsoft.com /support/glossary/P.asp   (10477 words)

  
 H-L Glossary
Actor - an employee of a haunt whose job is to interface with the patrons, providing a scary atmosphere.
Screamer - An actor, planted in the crowd flow, pretending to be a patron, whose job it is to react to monsters and scares by screaming.
It's relatively easy to build, and depending on the design, this device is capable of producing sparks over a foot in length.
members.tripod.com /~silverball/glossary.htm   (7225 words)

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