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https://en.wikipedia.org/wiki/List%20of%20European%20countries%20by%20membership%20in%20international%20organisations | This list depicts the membership of European countries in selected international organisations and treaties.
Table
Classification of countries according to the United Nations:
Classification of countries according to the World Bank:
Classification of countries according to the IMF:
1 These countries are currently ... |
https://en.wikipedia.org/wiki/Coefficient%20of%20determination | In statistics, the coefficient of determination, denoted R2 or r2 and pronounced "R squared", is the proportion of the variation in the dependent variable that is predictable from the independent variable(s).
It is a statistic used in the context of statistical models whose main purpose is either the prediction of fut... |
https://en.wikipedia.org/wiki/Elastic%20fiber | Elastic fibers (or yellow fibers) are an essential component of the extracellular matrix composed of bundles of proteins (elastin) which are produced by a number of different cell types including fibroblasts, endothelial, smooth muscle, and airway epithelial cells. These fibers are able to stretch many times their leng... |
https://en.wikipedia.org/wiki/K-space | K-space or k-space can refer to:
Another name for the spatial frequency domain of a spatial Fourier transform
Reciprocal space, containing the reciprocal lattice of a spatial lattice
Momentum space, or wavevector space, the vector space of possible values of momentum for a particle
k-space (magnetic resonance imaging)... |
https://en.wikipedia.org/wiki/Montmorillonite | Montmorillonite is a very soft phyllosilicate group of minerals that form when they precipitate from water solution as microscopic crystals, known as clay. It is named after Montmorillon in France. Montmorillonite, a member of the smectite group, is a 2:1 clay, meaning that it has two tetrahedral sheets of silica sandw... |
https://en.wikipedia.org/wiki/Crystal%20momentum | In solid-state physics crystal momentum or quasimomentum is a momentum-like vector associated with electrons in a crystal lattice. It is defined by the associated wave vectors of this lattice, according to
(where is the reduced Planck's constant).
Frequently, crystal momentum is conserved like mechanical momentum, m... |
https://en.wikipedia.org/wiki/Receptor-mediated%20endocytosis | Receptor-mediated endocytosis (RME), also called clathrin-mediated endocytosis, is a process by which cells absorb metabolites, hormones, proteins – and in some cases viruses – by the inward budding of the plasma membrane (invagination). This process forms vesicles containing the absorbed substances and is strictly med... |
https://en.wikipedia.org/wiki/Rendering%20equation | In computer graphics, the rendering equation is an integral equation in which the equilibrium radiance leaving a point is given as the sum of emitted plus reflected radiance under a geometric optics approximation. It was simultaneously introduced into computer graphics by David Immel et al. and James Kajiya in 1986. Th... |
https://en.wikipedia.org/wiki/Two-sided%20Laplace%20transform | In mathematics, the two-sided Laplace transform or bilateral Laplace transform is an integral transform equivalent to probability's moment generating function. Two-sided Laplace transforms are closely related to the Fourier transform, the Mellin transform, the Z-transform and the ordinary or one-sided Laplace transfor... |
https://en.wikipedia.org/wiki/DAPI | DAPI (pronounced 'DAPPY', /ˈdæpiː/), or 4′,6-diamidino-2-phenylindole, is a fluorescent stain that binds strongly to adenine–thymine-rich regions in DNA. It is used extensively in fluorescence microscopy. As DAPI can pass through an intact cell membrane, it can be used to stain both live and fixed cells, though it pas... |
https://en.wikipedia.org/wiki/Vishtaspa | Vishtaspa ( ; ; ; ) is the Avestan-language name of a figure of Zoroastrian scripture and tradition, portrayed as an early follower of Zoroaster, and his patron, and instrumental in the diffusion of the prophet's message. Although Vishtaspa is not epigraphically attested, he is – like Zoroaster – traditionally assum... |
https://en.wikipedia.org/wiki/Possibility%20theory | Possibility theory is a mathematical theory for dealing with certain types of uncertainty and is an alternative to probability theory. It uses measures of possibility and necessity between 0 and 1, ranging from impossible to possible and unnecessary to necessary, respectively. Professor Lotfi Zadeh first introduced pos... |
https://en.wikipedia.org/wiki/Cyberpunk%20derivatives | Since the advent of the cyberpunk genre, a number of cyberpunk derivatives have become recognized in their own right as distinct subgenres in speculative fiction, especially in science fiction. Rather than necessarily sharing the digitally and mechanically focused setting of cyberpunk, these derivatives can display oth... |
https://en.wikipedia.org/wiki/Dale%20Connelly | Dale Connelly (born 4 October 1955) was co-host (with Tom Keith, aka Jim Ed Poole) of The Morning Show on Minnesota Public Radio. The program was first carried on KSJN at frequency 91.1 (now KNOW-FM, later on KSJN at 99.5 and finally on KCMP 89.3 "The Current"; all in the Twin Cities and live on MPR's classical music n... |
https://en.wikipedia.org/wiki/Neuroglycopenia | Neuroglycopenia is a shortage of glucose (glycopenia) in the brain, usually due to hypoglycemia. Glycopenia affects the function of neurons, and alters brain function and behavior. Prolonged or recurrent neuroglycopenia can result in loss of consciousness, damage to the brain, and eventual death.
Signs and symptoms
Ab... |
https://en.wikipedia.org/wiki/Robert%20Ammann | Robert Ammann (October 1, 1946 – May, 1994) was an amateur mathematician who made several significant and groundbreaking contributions to the theory of quasicrystals and aperiodic tilings.
Ammann attended Brandeis University, but generally did not go to classes, and left after three years. He worked as a programmer fo... |
https://en.wikipedia.org/wiki/Albert%20Claude | Albert Claude (; 24 August 1899 – 22 May 1983) was a Belgian-American cell biologist and medical doctor who shared the Nobel Prize in Physiology or Medicine in 1974 with Christian de Duve and George Emil Palade. His elementary education started in a comprehensive primary school at Longlier, his birthplace. He served in... |
https://en.wikipedia.org/wiki/Bell%20407 | The Bell 407 is a four-blade, single-engine, civil utility helicopter. A derivative of the Bell 206L-4 LongRanger, the 407 uses the four-blade, soft-in-plane design rotor with composite hub developed for the United States Army's OH-58D Kiowa Warrior instead of the two-blade, semi-rigid, teetering rotor of the 206L-4.
... |
https://en.wikipedia.org/wiki/Phosphosilicate%20glass | Phosphosilicate glass, commonly referred to by the acronym PSG, is a silicate glass commonly used in semiconductor device fabrication for intermetal layers, i.e., insulating layers deposited between succeedingly higher metal or conducting layers, due to its effect in gettering alkali ions. Another common type of phos... |
https://en.wikipedia.org/wiki/Crystal%20violet | Crystal violet or gentian violet, also known as methyl violet 10B or hexamethyl pararosaniline chloride, is a triarylmethane dye used as a histological stain and in Gram's method of classifying bacteria. Crystal violet has antibacterial, antifungal, and anthelmintic (vermicide) properties and was formerly important as ... |
https://en.wikipedia.org/wiki/Epigenome | An epigenome consists of a record of the chemical changes to the DNA and histone proteins of an organism; these changes can be passed down to an organism's offspring via transgenerational stranded epigenetic inheritance. Changes to the epigenome can result in changes to the structure of chromatin and changes to the fun... |
https://en.wikipedia.org/wiki/Hoechst%20stain | Hoechst stains are part of a family of blue fluorescent dyes used to stain DNA. These bis-benzimides were originally developed by Hoechst AG, which numbered all their compounds so that the dye Hoechst 33342 is the 33,342nd compound made by the company. There are three related Hoechst stains: Hoechst 33258, Hoechst 3334... |
https://en.wikipedia.org/wiki/Reticular%20formation | The reticular formation is a set of interconnected nuclei that are located throughout the brainstem. It is not anatomically well defined, because it includes neurons located in different parts of the brain. The neurons of the reticular formation make up a complex set of networks in the core of the brainstem that extend... |
https://en.wikipedia.org/wiki/WaveBird%20Wireless%20Controller | The WaveBird Wireless Controller (stylized as WAVEBIRD, commonly abbreviated as WaveBird or WaveBird controller) is a radio frequency-based wireless controller manufactured by Nintendo for use with the GameCube home video game console. Its name is a reference to Dolphin, the GameCube's codename during development. The ... |
https://en.wikipedia.org/wiki/MULTI-S01 | In cryptography, MULTI-S01 (pronounced multi-ess-zero-one), is an encryption algorithm based on a pseudorandom number generator (PRNG). MULTI-S01 is an encryption scheme preserving both confidentiality and data integrity. The scheme defines a pair of algorithms; the encryption, the corresponding decryption with verific... |
https://en.wikipedia.org/wiki/Potez%20630 | The Potez 630 and its derivatives were a family of twin-engined, multirole aircraft developed for the French Air Force in the late 1930s. The design was a contemporary of the British Bristol Blenheim (which was larger and designed purely as a bomber) and the German Messerschmitt Bf 110 (which was designed purely as a f... |
https://en.wikipedia.org/wiki/Classifier | Classifier may refer to:
Classifier (linguistics), or measure word, especially in East Asian languages
Classifier handshape, in sign languages
Classifier (UML), in software engineering
Classification rule, in statistical classification, e.g.:
Hierarchical classifier
Linear classifier
Deductive classifier
Subobject clas... |
https://en.wikipedia.org/wiki/Mixed-data%20sampling | Econometric models involving data sampled at different frequencies are of general interest. Mixed-data sampling (MIDAS) is an econometric regression developed by Eric Ghysels with several co-authors. There is now a substantial literature on MIDAS regressions and their applications, including Ghysels, Santa-Clara and Va... |
https://en.wikipedia.org/wiki/Demographics%20of%20Serbia | Demographic features of the population of Serbia include vital statistics, ethnicity, religious affiliations, education level, health of the populace, and other aspects of the population.
History
Censuses in Serbia ordinarily take place every 10 years, organized by the Statistical Office of the Republic of Serbia. Th... |
https://en.wikipedia.org/wiki/Cohort%20%28statistics%29 | In statistics, epidemiology, marketing and demography, a cohort is a group of subjects who share a defining characteristic (typically subjects who experienced a common event in a selected time period, such as birth or graduation).
Cohort data can oftentimes be more advantageous to demographers than period data. Becau... |
https://en.wikipedia.org/wiki/Irnerius | Irnerius (– after 1125), sometimes referred to as lucerna juris ("lantern of the law"), was an Italian jurist, and founder of the School of Glossators and thus of the tradition of Medieval Roman Law.
He taught the newly recovered Roman lawcode of Justinian I, the Corpus Juris Civilis, among the liberal arts at the Uni... |
https://en.wikipedia.org/wiki/Anthropoid | Anthropoid means 'ape/human feature' and may refer to:
Simian, monkeys and apes (anthropoids, or suborder Anthropoidea, in earlier classifications)
Anthropoid apes, apes that are closely related to humans (e.g., former family Pongidae and sometimes also Hylobatidae and their extinct relatives)
Anthropoides, a genus of... |
https://en.wikipedia.org/wiki/Conexant | Conexant Systems, Inc. was an American-based software developer and fabless semiconductor company that developed technology for voice and audio processing, imaging and modems. The company began as a division of Rockwell International, before being spun off as a public company. Conexant itself then spun off several bu... |
https://en.wikipedia.org/wiki/Order%20of%20a%20kernel | In statistics, the order of a kernel is the degree of the first non-zero moment of a kernel.
Definitions
The literature knows two major definitions of the order of a kernel:
Definition 1
Let be an integer. Then, is a kernel of order if the functions are integrable and satisfy
Definition 2
References
Nonparam... |
https://en.wikipedia.org/wiki/Reduced%20form | In statistics, and particularly in econometrics, the reduced form of a system of equations is the result of solving the system for the endogenous variables. This gives the latter as functions of the exogenous variables, if any. In econometrics, the equations of a structural form model are estimated in their theoretica... |
https://en.wikipedia.org/wiki/Tipp-Ex | Tipp-Ex is a brand of correction fluid and other related products that is popular throughout Europe. It was also the name of the German company (Tipp-Ex GmbH & Co. KG) that produced the products in the Tipp-Ex line. While Tipp-Ex is a trademark name for correction products, in some countries it has become a genericised... |
https://en.wikipedia.org/wiki/Autoregressive%20integrated%20moving%20average | In statistics and econometrics, and in particular in time series analysis, an autoregressive integrated moving average (ARIMA) model is a generalization of an autoregressive moving average (ARMA) model. To better comprehend the data or to forecast upcoming series points, both of these models are fitted to time series ... |
https://en.wikipedia.org/wiki/Bayesian%20search%20theory | Bayesian search theory is the application of Bayesian statistics to the search for lost objects. It has been used several times to find lost sea vessels, for example USS Scorpion, and has played a key role in the recovery of the flight recorders in the Air France Flight 447 disaster of 2009. It has also been used in th... |
https://en.wikipedia.org/wiki/Desorption | Desorption is the physical process where adsorbed atoms or molecules are released from a surface into the surrounding vacuum or fluid. This occurs when a molecule gains enough energy to overcome the activation barrier and the binding energy that keep it attached to the surface.
Desorption is the reverse of the proces... |
https://en.wikipedia.org/wiki/Hankinson | Hankinson may refer to:
Hankinson (surname)
Hankinson, North Dakota, a city in Richland County, North Dakota, United States
Hankinson's equation, an equation for predicting the strength of wood
Hankinson-Moreau-Covenhoven House, a house located in Freehold, New Jersey, United States
Lake Hankinson, a lake within the c... |
https://en.wikipedia.org/wiki/Wald%27s%20equation | In probability theory, Wald's equation, Wald's identity or Wald's lemma is an important identity that simplifies the calculation of the expected value of the sum of a random number of random quantities. In its simplest form, it relates the expectation of a sum of randomly many finite-mean, independent and identically d... |
https://en.wikipedia.org/wiki/Germplasm | Germplasm are genetic resources such as seeds, tissues, and DNA sequences that are maintained for the purpose of animal and plant breeding, conservation efforts, agriculture, and other research uses. These resources may take the form of seed collections stored in seed banks, trees growing in nurseries, animal breeding ... |
https://en.wikipedia.org/wiki/Fin%20field-effect%20transistor | A fin field-effect transistor (FinFET) is a multigate device, a MOSFET (metal–oxide–semiconductor field-effect transistor) built on a substrate where the gate is placed on two, three, or four sides of the channel or wrapped around the channel, forming a double or even multi gate structure. These devices have been given... |
https://en.wikipedia.org/wiki/The%20First%20Generation%20of%20Postwar%20Writers | The First Generation of Postwar Writers''' is a classification in Modern Japanese literature used to group writers who appeared on the postwar literary scene between 1946 and 1947.
List of First Generation writers
Haniya Yutaka (埴谷雄高)
Nakamura Shin'ichirō (中村真一郎)
Noma Hiroshi (野間宏)
Shiina Rinzō (椎名麟三)
Takeda Taij... |
https://en.wikipedia.org/wiki/Second%20Generation%20of%20Postwar%20Writers | The is a classification in modern Japanese literature used for writers who appeared on the postwar literary scene between 1948 and 1949.
Exceptional in this generation of postwar writers are Mishima Yukio and Abe Kōbō, both of whom have received acclaim in Japan and abroad. At times, their reputation abroad has surpa... |
https://en.wikipedia.org/wiki/Third%20Generation%20of%20Postwar%20Writers | The Third Generation of Postwar Writers (第三の新人, daisan no shinjin) is a classification in Modern Japanese literature used to group writers who appeared on the postwar literary scene between 1953 and 1955.
Shūsaku Endō, a member of the Third Generation once said, "In those days, although we had received the Akutagawa P... |
https://en.wikipedia.org/wiki/Volvo%20B18%20engine | The B18 is a 1.8 L inline four cylinder automobile engine produced by Volvo from 1961 through 1968. A larger 2.0 L derivative called the B20 debuted in 1969.
Despite being a pushrod design, the engines can rev to 6,500 rpm. They are also reputed to be very durable. The world's highest mileage car, a 1966 Volvo P1800S,... |
https://en.wikipedia.org/wiki/Helmert%E2%80%93Wolf%20blocking | The Helmert–Wolf blocking (HWB) is a least squares solution method for the solution of a sparse block system of linear equations. It was first reported by F. R. Helmert for use in geodesy problems in 1880; (1910–1994) published his direct semianalytic solution in 1978.
It is based on ordinary Gaussian elimination in m... |
https://en.wikipedia.org/wiki/Michael%20I.%20Jordan | Michael Irwin Jordan (born February 25, 1956) is an American scientist, professor at the University of California, Berkeley and researcher in machine learning, statistics, and artificial intelligence.
Jordan was elected a member of the National Academy of Engineering in 2010 for contributions to the foundations and ... |
https://en.wikipedia.org/wiki/Aldolase%20A | Aldolase A (ALDOA, or ALDA), also known as fructose-bisphosphate aldolase, is an enzyme that in humans is encoded by the ALDOA gene on chromosome 16.
The protein encoded by this gene is a glycolytic enzyme that catalyzes the reversible conversion of fructose-1,6-bisphosphate to glyceraldehyde 3-phosphate (G3P) and dih... |
https://en.wikipedia.org/wiki/Defining%20length | In genetic algorithms and genetic programming defining length L(H) is the maximum distance between two defining symbols (that is symbols that have a fixed value as opposed to symbols that can take any value, commonly denoted as # or *) in schema H. In tree GP schemata, L(H) is the number of links in the minimum tree fr... |
https://en.wikipedia.org/wiki/Stress-induced%20leakage%20current | Stress-induced leakage current (SILC) is an increase in the gate leakage current of a MOSFET, used in semiconductor physics. It occurs due to defects created in the gate oxide during electrical stressing. SILC is perhaps the largest factor inhibiting device miniaturization. Increased leakage is a common failure mode of... |
https://en.wikipedia.org/wiki/Training%2C%20validation%2C%20and%20test%20data%20sets | In machine learning, a common task is the study and construction of algorithms that can learn from and make predictions on data. Such algorithms function by making data-driven predictions or decisions, through building a mathematical model from input data. These input data used to build the model are usually divided in... |
https://en.wikipedia.org/wiki/Instrumental%20variables%20estimation | In statistics, econometrics, epidemiology and related disciplines, the method of instrumental variables (IV) is used to estimate causal relationships when controlled experiments are not feasible or when a treatment is not successfully delivered to every unit in a randomized experiment. Intuitively, IVs are used when an... |
https://en.wikipedia.org/wiki/Mating%20pool | A mating pool is a concept used in evolutionary computation, which refers to a family of algorithms used to solve optimization and search problems.
The mating pool is formed by candidate solutions that the selection operators deem to have the highest fitness in the current population. Solutions that are included in th... |
https://en.wikipedia.org/wiki/Premature%20convergence | In evolutionary algorithms (EA), the term of premature convergence means that a population for an optimization problem converged too early, resulting in being suboptimal. In this context, the parental solutions, through the aid of genetic operators, are not able to generate offspring that are superior to, or outperform... |
https://en.wikipedia.org/wiki/Brown%20note | The brown note, also sometimes called the brown frequency or brown noise, is a hypothetical infrasonic frequency capable of causing fecal incontinence by creating acoustic resonance in the human bowel. Considered an urban myth, the name is a metonym for the common color of human faeces. Attempts to demonstrate the exis... |
https://en.wikipedia.org/wiki/Manaaki%20Whenua%20%E2%80%93%20Landcare%20Research | Manaaki Whenua – Landcare Research is a New Zealand Crown Research Institute whose focus of research is the environment, biodiversity, and sustainability.
History
Manaaki Whenua was originally part of the Department of Scientific and Industrial Research (DSIR), but was established as an independent organisation when t... |
https://en.wikipedia.org/wiki/Thermodynamic%20equations | Thermodynamics is expressed by a mathematical framework of thermodynamic equations which relate various thermodynamic quantities and physical properties measured in a laboratory or production process. Thermodynamics is based on a fundamental set of postulates, that became the laws of thermodynamics.
Introduction
One ... |
https://en.wikipedia.org/wiki/Confluent%20hypergeometric%20function | In mathematics, a confluent hypergeometric function is a solution of a confluent hypergeometric equation, which is a degenerate form of a hypergeometric differential equation where two of the three regular singularities merge into an irregular singularity. The term confluent refers to the merging of singular points of ... |
https://en.wikipedia.org/wiki/Texture%20%28chemistry%29 | In physical chemistry and materials science, texture is the distribution of crystallographic orientations of a polycrystalline sample (it is also part of the geological fabric). A sample in which these orientations are fully random is said to have no distinct texture. If the crystallographic orientations are not random... |
https://en.wikipedia.org/wiki/V%C3%ADctor%20A.%20Carre%C3%B1o | Víctor A. Carreño (born 1956) is a NASA aerospace engineer and aerospace technologist. He holds the patent for the Single Frequency Multitransmitter Telemetry System.
Early years
Carreño was born in Santo Domingo, Dominican Republic. His family moved to Puerto Rico when he was only a child and he was raised in the Ci... |
https://en.wikipedia.org/wiki/Cutaneous%20T-cell%20lymphoma | Cutaneous T-cell lymphoma (CTCL) is a class of non-Hodgkin lymphoma, which is a type of cancer of the immune system. Unlike most non-Hodgkin lymphomas (which are generally B-cell-related), CTCL is caused by a mutation of T cells. The cancerous T cells in the body initially migrate to the skin, causing various lesions... |
https://en.wikipedia.org/wiki/Jotun%20Hein | Jotun John Piet Hein (born 19 July 1956) is Professor of Bioinformatics at the Department of Statistics of the University of Oxford and a professorial fellow of University College, Oxford. Hein was previously Director of the Bioinformatics Research Centre at Aarhus University, Denmark.
Hein is the fourth son of Piet H... |
https://en.wikipedia.org/wiki/Br%C3%A9guet%20693 | The Bréguet 690 and its derivatives were a series of light twin-engine ground-attack aircraft that were used by the French Air Force in World War II. The aircraft was intended to be easy to maintain, forgiving to fly, and capable of at . The type's sturdy construction was frequently demonstrated and the armament was e... |
https://en.wikipedia.org/wiki/%C3%93%20Flaithbheartaigh | O'Flaherty ( , ; ; ) is an Irish Gaelic clan based most prominently in what is today County Galway. The clan name originated in the 10th century as a derivative of its founder Flaithbheartach mac Eimhin. They descend in the paternal line from the Connachta's Uí Briúin Seóla. They were originally kings of Maigh Seóla ... |
https://en.wikipedia.org/wiki/Military%20brat%20%28U.S.%20subculture%29 | In the United States, a military brat (also known by various "brat" derivatives) is the child of a parent(s), adopted parent(s) or legal guardian(s) serving full-time in the United States Armed Forces, whether current or former. The term military brat can also refer to the subculture and lifestyle of such families.
Th... |
https://en.wikipedia.org/wiki/Monocrystalline%20whisker | A monocrystalline whisker is a filament of material that is structured as a single, defect-free crystal. Some typical whisker materials are graphite, alumina, iron, silicon carbide and silicon. Single-crystal whiskers of these (and some other) materials are known for having very high tensile strength (on the order of 1... |
https://en.wikipedia.org/wiki/Visvedevas | The visvedevas () refers to the designation used to address the entirety of the various deities featured in the Vedas. It also refers to a specific classification of deities in the Puranas. The visvedevas are sometimes regarded as the most comprehensive gathering of the gods, a classification in which no deity is state... |
https://en.wikipedia.org/wiki/Circular%20distribution | In probability and statistics, a circular distribution or polar distribution is a probability distribution of a random variable whose values are angles, usually taken to be in the range A circular distribution is often a continuous probability distribution, and hence has a probability density, but such distributions c... |
https://en.wikipedia.org/wiki/Hariri | Hariri (in Arabic حريري) is a surname and derivative of harir (in Arabic حرير meaning silk) which indicates a mercantile background at one point in that field.
People
Historic
Ali Hariri (1009-1079), Kurdish poet
Al-Hariri of Basra (1054–1122), Arab poet, scholar of the Arabic language and a high government officia... |
https://en.wikipedia.org/wiki/Suhas%20Patankar | Suhas V. Patankar (born 22 February 1941) is an Indian mechanical engineer. He is a pioneer in the field of computational fluid dynamics (CFD) and Finite volume method. He is currently a Professor Emeritus at the University of Minnesota. He is also president of Innovative Research, Inc. Patankar was born in Pune, Mahar... |
https://en.wikipedia.org/wiki/Helly%E2%80%93Bray%20theorem | In probability theory, the Helly–Bray theorem relates the weak convergence of cumulative distribution functions to the convergence of expectations of certain measurable functions. It is named after Eduard Helly and Hubert Evelyn Bray.
Let F and F1, F2, ... be cumulative distribution functions on the real line. The He... |
https://en.wikipedia.org/wiki/Nonmetricity%20tensor | In mathematics, the nonmetricity tensor in differential geometry is the covariant derivative of the metric tensor. It is therefore a tensor field of order three. It vanishes for the case of Riemannian geometry and can be
used to study non-Riemannian spacetimes.
Definition
By components, it is defined as follows.
It ... |
https://en.wikipedia.org/wiki/Zeroth%20law | Zeroth law may refer to:
Zeroth law of black hole thermodynamics, about event horizons of black holes
Zeroth law of robotics, an addition to Isaac Asimov's Three Laws of Robotics
Zeroth law of thermodynamics, in relation to thermal equilibriums
See also
Zeroth (disambiguation) |
https://en.wikipedia.org/wiki/Collectively%20exhaustive%20events | In probability theory and logic, a set of events is jointly or collectively exhaustive if at least one of the events must occur. For example, when rolling a six-sided die, the events 1, 2, 3, 4, 5, and 6 balls of a single outcome are collectively exhaustive, because they encompass the entire range of possible outcome... |
https://en.wikipedia.org/wiki/Vertisol | A vertisol is a Soil Order in the USDA soil taxonomy and a Reference Soil Group in the World Reference Base for Soil Resources (WRB). It is also defined in many other soil classification systems. In the Australian Soil Classification it is called vertosol. Vertisols have a high content of expansive clay minerals, many ... |
https://en.wikipedia.org/wiki/Nadvirna | Nadvírna, also referred to as Nadwirna or Nadvorna (, , , Nadvorna) is a city located in Ivano-Frankivsk Oblast in western Ukraine. It is the administrative centre of Nadvirna Raion. Nadvirna hosts the administration of Nadvirna urban hromada, one of the hromadas of Ukraine. Population:
From the mid-14th century unt... |
https://en.wikipedia.org/wiki/Nonelementary%20integral | In mathematics, a nonelementary antiderivative of a given elementary function is an antiderivative (or indefinite integral) that is, itself, not an elementary function (i.e. a function constructed from a finite number of quotients of constant, algebraic, exponential, trigonometric, and logarithmic functions using field... |
https://en.wikipedia.org/wiki/Proper%20orthogonal%20decomposition | The proper orthogonal decomposition is a numerical method that enables a reduction in the complexity of computer intensive simulations such as computational fluid dynamics and structural analysis (like crash simulations). Typically in fluid dynamics and turbulences analysis, it is used to replace the Navier–Stokes equa... |
https://en.wikipedia.org/wiki/HomeRF | HomeRF was a wireless networking specification for home devices. It was developed in 1998 by the Home Radio Frequency Working Group, a consortium of mobile wireless companies that included Proxim Wireless, Intel, Siemens AG, Motorola, Philips and more than 100 other companies.
The group was disbanded in January 2003,... |
https://en.wikipedia.org/wiki/Ptolemy%27s%20theorem | In Euclidean geometry, Ptolemy's theorem is a relation between the four sides and two diagonals of a cyclic quadrilateral (a quadrilateral whose vertices lie on a common circle). The theorem is named after the Greek astronomer and mathematician Ptolemy (Claudius Ptolemaeus). Ptolemy used the theorem as an aid to creati... |
https://en.wikipedia.org/wiki/Formate | Formate (IUPAC name: methanoate) is the conjugate base of formic acid. Formate is an anion () or its derivatives such as ester of formic acid. The salts and esters are generally colorless.
Fundamentals
When dissolved in water, formic acid converts to formate:
Formate is a planar anion. The two oxygen atoms are equ... |
https://en.wikipedia.org/wiki/Schur%27s%20theorem | In discrete mathematics, Schur's theorem is any of several theorems of the mathematician Issai Schur. In differential geometry, Schur's theorem is a theorem of Axel Schur. In functional analysis, Schur's theorem is often called Schur's property, also due to Issai Schur.
Ramsey theory
In Ramsey theory, Schur's theore... |
https://en.wikipedia.org/wiki/Education%20in%20North%20Korea | Education in North Korea is universal and state-funded schooling by the government. As of 2021, UNESCO Institute for Statistics does not report any data for North Korea's literacy rates. Some children go through one year of kindergarten, four years of primary education, six years of secondary education, and then on to ... |
https://en.wikipedia.org/wiki/Wigner%E2%80%93Seitz%20cell | The Wigner–Seitz cell, named after Eugene Wigner and Frederick Seitz, is a primitive cell which has been constructed by applying Voronoi decomposition to a crystal lattice. It is used in the study of crystalline materials in crystallography.
The unique property of a crystal is that its atoms are arranged in a regular ... |
https://en.wikipedia.org/wiki/Breakpoint%20%28disambiguation%29 | A breakpoint is an execution stop point in the code of a computer program.
Breakpoint or break point may also refer to:
BCR (gene), the gene that encodes the breakpoint cluster region protein
Break point, in tennis
Break Point, a 2002 novel by Rosie Rushton
Break Point (film), a 2015 U.S. comedy film
Breakpoint (... |
https://en.wikipedia.org/wiki/Duophonic%20Records | Duophonic Ultra High Frequency Disks Limited (also known as Duophonic Records or Duophonic Super 45s) is a British independent record label formed by English-French rock band Stereolab in 1991. The label has two imprints: Duophonic Ultra High Frequency Disks for UK Stereolab releases licensed to various labels worldwid... |
https://en.wikipedia.org/wiki/Crystal%20%28song%29 | "Crystal" is a song by English rock band New Order. The song was released on 11 July 2001 as the first single from their seventh studio album, Get Ready (2001). "Crystal" entered the UK Singles Chart at number eight, attracting considerable attention and critical praise as the band's comeback single, their first origin... |
https://en.wikipedia.org/wiki/Generalized%20canonical%20correlation | In statistics, the generalized canonical correlation analysis (gCCA), is a way of making sense of cross-correlation matrices between the sets of random variables when there are more than two sets. While a conventional CCA generalizes principal component analysis (PCA) to two sets of random variables, a gCCA generalize... |
https://en.wikipedia.org/wiki/Red%20Hat%20Enterprise%20Linux%20derivatives | Red Hat Enterprise Linux derivatives are Linux distributions that are based on the source code of Red Hat Enterprise Linux (RHEL).
History
Red Hat Linux was one of the first and most popular Linux distributions. This was largely because, while a paid-for supported version was available, a freely downloadable version ... |
https://en.wikipedia.org/wiki/Low-Frequency%20Array%20%28LOFAR%29 | The Low-Frequency Array, or LOFAR, is a large radio telescope, with an antenna network located mainly in the Netherlands, and spreading across 7 other European countries as of 2019. Originally designed and built by ASTRON, the Netherlands Institute for Radio Astronomy, it was first opened by Queen Beatrix of The Nether... |
https://en.wikipedia.org/wiki/Battle%20of%20Dynekilen | The naval Battle of Dynekilen () took place on 8 July 1716 during the Great Northern War between a Dano-Norwegian fleet under Peter Tordenskjold and a Swedish fleet under Olof Strömstierna. The battle resulted in a Dano-Norwegian victory.
Background
On 28 October 1709 Frederik IV of Denmark, the Danish-Norwegian king ... |
https://en.wikipedia.org/wiki/Heinrich%20Gustav%20Hotho | Heinrich Gustav Hotho (Berlin, May 22, 1802 – Berlin, December 25, 1873) was a German historian of art and Right Hegelian. He is famous for being the compiler and editor of Hegel's posthumous work Vorlesungen über die Ästhetik ("Lectures on Aesthetics").
Biography
During boyhood he was affected for two years with blin... |
https://en.wikipedia.org/wiki/Whey%20protein | Whey protein is a mixture of proteins isolated from whey, the liquid material created as a by-product of cheese production. The proteins consist of α-lactalbumin, β-lactoglobulin, serum albumin and immunoglobulins. Glycomacropeptide also makes up the third largest component but is not a protein. Whey protein is commonl... |
https://en.wikipedia.org/wiki/Clapp%20oscillator | The Clapp oscillator or Gouriet oscillator is an LC electronic oscillator that uses a particular combination of an inductor and three capacitors to set the oscillator's frequency. LC oscillators use a transistor (or vacuum tube or other gain element) and a positive feedback network. The oscillator has good frequency st... |
https://en.wikipedia.org/wiki/Assimilation%20%28biology%29 | ' is the process of absorption of vitamins, minerals, and other chemicals from food as part of the nutrition of an organism. In humans, this is always done with a chemical breakdown (enzymes and acids) and physical breakdown (oral mastication and stomach churning).chemical alteration of substances in the bloodstream b... |
https://en.wikipedia.org/wiki/Rodrigues%27%20rotation%20formula | In the theory of three-dimensional rotation, Rodrigues' rotation formula, named after Olinde Rodrigues, is an efficient algorithm for rotating a vector in space, given an axis and angle of rotation. By extension, this can be used to transform all three basis vectors to compute a rotation matrix in , the group of all ro... |
https://en.wikipedia.org/wiki/Ariel%20%28detergent%29 | Ariel is a brand of laundry detergent developed by P&G European Technology Centre in Belgium. The enzymes for the detergent are provided by Novozymes.
History
It was launched in multiple markets between 1967 and 1969. The brand is owned by US multinational Procter & Gamble and is popular in Mexico and India.
Referenc... |
https://en.wikipedia.org/wiki/Heterokaryon | A heterokaryon is a multinucleate cell that contains genetically different nuclei. Heterokaryotic and heterokaryosis are derived terms. This is a special type of syncytium. This can occur naturally, such as in the mycelium of fungi during sexual reproduction, or artificially as formed by the experimental fusion of two ... |
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