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https://en.wikipedia.org/wiki/SUnit | SUnit is a unit testing framework for the programming language Smalltalk. It is the original source of the xUnit design, originally written by one of the creators of Extreme Programming, Kent Beck. SUnit allows writing tests and checking results in Smalltalk.
History
SUnit was originally described by Beck in "Simple... |
https://en.wikipedia.org/wiki/Wireless%20network%20interface%20controller | A wireless network interface controller (WNIC) is a network interface controller which connects to a wireless network, such as Wi-Fi or Bluetooth, rather than a wired network, such as a Token Ring or Ethernet. A WNIC, just like other NICs, works on the layers 1 and 2 of the OSI model and uses an antenna to communicate... |
https://en.wikipedia.org/wiki/De%20Bruijn%20sequence | In combinatorial mathematics, a de Bruijn sequence of order n on a size-k alphabet A is a cyclic sequence in which every possible length-n string on A occurs exactly once as a substring (i.e., as a contiguous subsequence). Such a sequence is denoted by and has length , which is also the number of distinct strings of l... |
https://en.wikipedia.org/wiki/Vortex%20ring%20state | The vortex ring state (VRS) is a dangerous aerodynamic condition that may arise in helicopter flight, when a vortex ring system engulfs the rotor, causing severe loss of lift. Often the term settling with power is used as a synonym, e.g., in Australia, the UK, and the USA, but not in Canada, which uses the latter term ... |
https://en.wikipedia.org/wiki/Larder | A larder is a cool area for storing food prior to use. Originally, it was where raw meat was larded—covered in fat—to be preserved. By the 18th century, the term had expanded: at that point, a dry larder was where bread, pastry, milk, butter, or cooked meats were stored. Larders were commonplace in houses before the wi... |
https://en.wikipedia.org/wiki/Estimation%20theory | Estimation theory is a branch of statistics that deals with estimating the values of parameters based on measured empirical data that has a random component. The parameters describe an underlying physical setting in such a way that their value affects the distribution of the measured data. An estimator attempts to app... |
https://en.wikipedia.org/wiki/Approach%20space | In topology, a branch of mathematics, approach spaces are a generalization of metric spaces, based on point-to-set distances, instead of point-to-point distances. They were introduced by Robert Lowen in 1989, in a series of papers on approach theory between 1988 and 1995.
Definition
Given a metric space (X, d), or mo... |
https://en.wikipedia.org/wiki/NOV%20%28computers%29 | NOV, or News Overview, is a widely deployed indexing method for Usenet articles, also found in some Internet email implementations. Written in 1992 by Geoff Collyer, NOV replaced a variety of incompatible indexing schemes used in different client programs, each typically requiring custom modifications to each news serv... |
https://en.wikipedia.org/wiki/Elementary%20arithmetic | Elementary arithmetic is a branch of mathematics involving basic numerical operations, namely addition, subtraction, multiplication, and division. Due to its low level of abstraction, broad range of application, and position as the foundation of all mathematics, elementary arithmetic is generally the first critical bra... |
https://en.wikipedia.org/wiki/Sigma-ideal | In mathematics, particularly measure theory, a -ideal, or sigma ideal, of a σ-algebra (, read "sigma") is a subset with certain desirable closure properties. It is a special type of ideal. Its most frequent application is in probability theory.
Let be a measurable space (meaning is a -algebra of subsets of ). A sub... |
https://en.wikipedia.org/wiki/Triparental%20mating | Triparental mating is a form of bacterial conjugation where a conjugative plasmid present in one bacterial strain assists the transfer of a mobilizable plasmid present in a second bacterial strain into a third bacterial strain. Plasmids are introduced into bacteria for such purposes as transformation, cloning, or trans... |
https://en.wikipedia.org/wiki/PBKDF2 | In cryptography, PBKDF1 and PBKDF2 (Password-Based Key Derivation Function 1 and 2) are key derivation functions with a sliding computational cost, used to reduce vulnerability to brute-force attacks.
PBKDF2 is part of RSA Laboratories' Public-Key Cryptography Standards (PKCS) series, specifically PKCS#5 v2.0, also pu... |
https://en.wikipedia.org/wiki/Half-integer | In mathematics, a half-integer is a number of the form
where is a whole number. For example,
are all half-integers. The name "half-integer" is perhaps misleading, as the set may be misunderstood to include numbers such as 1 (being half the integer 2). A name such as "integer-plus-half" may be more accurate, but ev... |
https://en.wikipedia.org/wiki/Veronese%20surface | In mathematics, the Veronese surface is an algebraic surface in five-dimensional projective space, and is realized by the Veronese embedding, the embedding of the projective plane given by the complete linear system of conics. It is named after Giuseppe Veronese (1854–1917). Its generalization to higher dimension is kn... |
https://en.wikipedia.org/wiki/High-end%20audio | High-end audio is a class of consumer home audio equipment marketed to audiophiles on the basis of high price or quality, and esoteric or novel sound reproduction technologies. The term can refer simply to the price, to the build quality of the components, or to the subjective or objective quality of sound reproduction... |
https://en.wikipedia.org/wiki/Johnny%20Stenb%C3%A4ck | Johnny Stenbäck is a Finnish software engineer mostly known for his work on the Mozilla browser. He was one of the first developers outside Netscape to get involved with the Mozilla source released by Netscape in March 1998. Stenbäck started working on the source code soon after the release, then working for the Finnis... |
https://en.wikipedia.org/wiki/Thermal%20expansion | Thermal expansion is the tendency of matter to change its shape, area, volume, and density in response to a change in temperature, usually not including phase transitions.
Temperature is a monotonic function of the average molecular kinetic energy of a substance. When a substance is heated, molecules begin to vibrate ... |
https://en.wikipedia.org/wiki/Entry%20point | In computer programming, an entry point is the place in a program where the execution of a program begins, and where the program has access to command line arguments.
To start a program's execution, the loader or operating system passes control to its entry point. (During booting, the operating system itself is the pr... |
https://en.wikipedia.org/wiki/Mathematical%20chemistry | Mathematical chemistry is the area of research engaged in novel applications of mathematics to chemistry; it concerns itself principally with the mathematical modeling of chemical phenomena. Mathematical chemistry has also sometimes been called computer chemistry, but should not be confused with computational chemistry... |
https://en.wikipedia.org/wiki/Phenotypic%20switching | Phenotypic switching is switching between multiple cellular morphologies. David R. Soll described two such systems: the first high frequency switching system between several morphological stages and a second high frequency switching system between opaque and white cells. The latter is an epigenetic switching system
P... |
https://en.wikipedia.org/wiki/PXES | PXES also known as PXES Universal Linux Thin Client, was created in early 2001 by Diego Torres Milano. PXES is a Linux distribution designed to be run on thin clients using PXE; however, it is also possible to boot PXES from a CD-ROM or hard disk if the NIC or BIOS does not support PXE.
In 2006, The PXES project merge... |
https://en.wikipedia.org/wiki/National%20Defence%20Radio%20Establishment | The National Defence Radio Establishment (, FRA) is a Swedish
government agency organised under the Ministry of Defence. The two main tasks of FRA are signals intelligence (SIGINT), and support to government authorities and state-owned companies regarding computer security.
The FRA is not allowed to initialize any sur... |
https://en.wikipedia.org/wiki/Tetractys | The tetractys (), or tetrad, or the tetractys of the decad is a triangular figure consisting of ten points arranged in four rows: one, two, three, and four points in each row, which is the geometrical representation of the fourth triangular number. As a mystical symbol, it was very important to the secret worship of Py... |
https://en.wikipedia.org/wiki/Isopropyl%20%CE%B2-D-1-thiogalactopyranoside | {{DISPLAYTITLE:Isopropyl β-D-1-thiogalactopyranoside}}
Isopropyl β--1-thiogalactopyranoside (IPTG) is a molecular biology reagent. This compound is a molecular mimic of allolactose, a lactose metabolite that triggers transcription of the lac operon, and it is therefore used to induce protein expression where the gen... |
https://en.wikipedia.org/wiki/Burroughs%20Medium%20Systems | The Burroughs B2500 through Burroughs B4900 was a series of mainframe computers developed and manufactured by Burroughs Corporation in Pasadena, California, United States, from 1966 to 1991. They were aimed at the business world with an instruction set optimized for the COBOL programming language. They were also known ... |
https://en.wikipedia.org/wiki/General-purpose%20markup%20language | A general-purpose markup language is a markup language that is used for more than one purpose or situation. Other, more specialized domain-specific markup languages are often based upon these languages. For example, HTML 4.1 and earlier are domain-specific markup languages (for webpages), and are based on the syntax of... |
https://en.wikipedia.org/wiki/List%20of%20web%20service%20protocols | The following is a list of web service protocols.
BEEP - Blocks Extensible Exchange Protocol
CTS - Canonical Text Services Protocol
E-Business XML
Hessian
Internet Open Trading Protocol
JSON-RPC
JSON-WSP
SOAP - outgrowth of XML-RPC, originally an acronym for Simple Object Access Protocol
Universal Description, Discove... |
https://en.wikipedia.org/wiki/Condensation%20algorithm | The condensation algorithm (Conditional Density Propagation) is a computer vision algorithm. The principal application is to detect and track the contour of objects moving in a cluttered environment. Object tracking is one of the more basic and difficult aspects of computer vision and is generally a prerequisite to obj... |
https://en.wikipedia.org/wiki/Cunningham%20Project | The Cunningham Project is a collaborative effort started in 1925 to factor numbers of the form bn ± 1 for b = 2, 3, 5, 6, 7, 10, 11, 12 and large n. The project is named after Allan Joseph Champneys Cunningham, who published the first version of the table together with Herbert J. Woodall. There are three printed versi... |
https://en.wikipedia.org/wiki/Plant%20senescence | Plant senescence is the process of aging in plants. Plants have both stress-induced and age-related developmental aging. Chlorophyll degradation during leaf senescence reveals the carotenoids, such as anthocyanin and xanthophylls, which are the cause of autumn leaf color in deciduous trees. Leaf senescence has the im... |
https://en.wikipedia.org/wiki/Electrostatic%20generator | An electrostatic generator, or electrostatic machine, is an electrical generator that produces static electricity, or electricity at high voltage and low continuous current. The knowledge of static electricity dates back to the earliest civilizations, but for millennia it remained merely an interesting and mystifying p... |
https://en.wikipedia.org/wiki/Hilbert%27s%20fourth%20problem | In mathematics, Hilbert's fourth problem in the 1900 list of Hilbert's problems is a foundational question in geometry. In one statement derived from the original, it was to find — up to an isomorphism — all geometries that have an axiomatic system of the classical geometry (Euclidean, hyperbolic and elliptic), with t... |
https://en.wikipedia.org/wiki/Hamilton%20O.%20Smith | Hamilton Othanel Smith (born August 23, 1931) is an American microbiologist and Nobel laureate.
Smith graduated from University Laboratory High School of Urbana, Illinois. He attended the University of Illinois at Urbana-Champaign, but in 1950 transferred to the University of California, Berkeley, where he earned his ... |
https://en.wikipedia.org/wiki/BioBlitz | A BioBlitz, also written without capitals as bioblitz, is an intense period of biological surveying in an attempt to record all the living species within a designated area. Groups of scientists, naturalists, and volunteers conduct an intensive field study over a continuous time period (e.g., usually 24 hours). There is... |
https://en.wikipedia.org/wiki/Cardinality%20of%20the%20continuum | In set theory, the cardinality of the continuum is the cardinality or "size" of the set of real numbers , sometimes called the continuum. It is an infinite cardinal number and is denoted by (lowercase Fraktur "c") or .
The real numbers are more numerous than the natural numbers . Moreover, has the same number of el... |
https://en.wikipedia.org/wiki/Shear%20modulus | In materials science, shear modulus or modulus of rigidity, denoted by G, or sometimes S or μ, is a measure of the elastic shear stiffness of a material and is defined as the ratio of shear stress to the shear strain:
where
= shear stress
is the force which acts
is the area on which the force acts
= shear strain.... |
https://en.wikipedia.org/wiki/Series%20expansion | In mathematics, a series expansion is a technique that expresses a function as an infinite sum, or series, of simpler functions. It is a method for calculating a function that cannot be expressed by just elementary operators (addition, subtraction, multiplication and division).
The resulting so-called series often can... |
https://en.wikipedia.org/wiki/Stereotype%20%28UML%29 | A stereotype is one of three types of extensibility mechanisms in the Unified Modeling Language (UML), the other two being tags and constraints. They allow designers to extend the vocabulary of UML in order to create new model elements, derived from existing ones, but that have specific properties that are suitable for... |
https://en.wikipedia.org/wiki/R%C3%B6ssler%20attractor | The Rössler attractor is the attractor for the Rössler system, a system of three non-linear ordinary differential equations originally studied by Otto Rössler in the 1970s. These differential equations define a continuous-time dynamical system that exhibits chaotic dynamics associated with the fractal properties of th... |
https://en.wikipedia.org/wiki/Incidence%20geometry | In mathematics, incidence geometry is the study of incidence structures. A geometric structure such as the Euclidean plane is a complicated object that involves concepts such as length, angles, continuity, betweenness, and incidence. An incidence structure is what is obtained when all other concepts are removed and all... |
https://en.wikipedia.org/wiki/Sir%20Dystic | Josh Buchbinder,
better known as Sir Dystic, has been a member of Cult of the Dead Cow (cDc) since May 1997,
and is the author of Back Orifice.
He has also written several other hacker tools, including SMBRelay, NetE, and NBName.
Sir Dystic has appeared at multiple hacker conventions, both as a member of panels and spe... |
https://en.wikipedia.org/wiki/Enlightenment%20Foundation%20Libraries | The Enlightenment Foundation Libraries (EFL) are a set of graphics libraries that grew out of the development of Enlightenment, a window manager and Wayland compositor. The project's focus is to make the EFL a flexible yet powerful and easy to use set of tools to extend the capabilities of both the Enlightenment window... |
https://en.wikipedia.org/wiki/Mike%20%26%20Mike | Mike & Mike (formerly Mike & Mike in the Morning) was an American sports-talk radio show that was hosted by Mike Greenberg and Mike Golic on ESPN networks from 2000–2017. The show aired on ESPN Radio, and was simulcast on television, first on ESPNews starting in 2004, and later moving to ESPN2 in 2006.
The show primar... |
https://en.wikipedia.org/wiki/Electronic%20Frontier%20Canada | Electronic Frontier Canada (EFC) was a Canadian on-line civil rights organization founded to ensure that the principles embodied in the Canadian Charter of Rights and Freedoms remain protected as new computing, communications, and information technologies are introduced into Canadian society. As of 2005, the organizati... |
https://en.wikipedia.org/wiki/Network%20planning%20and%20design | Network planning and design is an iterative process, encompassing
topological design, network-synthesis, and network-realization, and is aimed at ensuring that a new telecommunications network or service meets the needs of the subscriber and operator.
The process can be tailored according to each new network or servic... |
https://en.wikipedia.org/wiki/The%20Herd%20with%20Colin%20Cowherd | The Herd with Colin Cowherd is an American sports talk radio show hosted by Colin Cowherd on Fox Sports Radio and Fox Sports 1. The show features commentary on the day's sports news, perspective on other news stories, and interviews with celebrities, sports analysts and sports figures.
History
KFXX AM, ESPN Radio & E... |
https://en.wikipedia.org/wiki/Buell%20dryer | The Buell dryer, also known as the "turbo shelf" dryer, is an indirect heated industrial dryer once widely used in the Cornwall and Devon china clay mining industry. The Buell dryer was introduced to the china clay industry by English Clays Lovering Pochin & Co. Ltd for their china clay drying plants in Cornwall and De... |
https://en.wikipedia.org/wiki/Symmetric%20graph | In the mathematical field of graph theory, a graph is symmetric (or arc-transitive) if, given any two pairs of adjacent vertices and of , there is an automorphism
such that
and
In other words, a graph is symmetric if its automorphism group acts transitively on ordered pairs of adjacent vertices (that is, upon e... |
https://en.wikipedia.org/wiki/Hille%E2%80%93Yosida%20theorem | In functional analysis, the Hille–Yosida theorem characterizes the generators of strongly continuous one-parameter semigroups of linear operators on Banach spaces. It is sometimes stated for the special case of contraction semigroups, with the general case being called the Feller–Miyadera–Phillips theorem (after Willia... |
https://en.wikipedia.org/wiki/Hill%27s%20muscle%20model | In biomechanics, Hill's muscle model refers to the 3-element model consisting of a contractile element (CE) in series with a lightly-damped elastic spring element (SE) and in parallel with lightly-damped elastic parallel element (PE). Within this model, the estimated force-velocity relation for the CE element is usual... |
https://en.wikipedia.org/wiki/Gabor%20filter | In image processing, a Gabor filter, named after Dennis Gabor, who first proposed it as a 1D filter.
The Gabor filter was first generalized to 2D by Gösta Granlund, by adding a reference direction.
The Gabor filter is a linear filter used for texture analysis, which essentially means that it analyzes whether there is ... |
https://en.wikipedia.org/wiki/OpenServer | Xinuos OpenServer, previously SCO UNIX and SCO Open Desktop (SCO ODT), is a closed source computer operating system developed by Santa Cruz Operation (SCO), later acquired by SCO Group, and now owned by Xinuos. Early versions of OpenServer were based on UNIX System V, while the later OpenServer 10 is based on FreeBSD 1... |
https://en.wikipedia.org/wiki/Grandmother%20hypothesis | The grandmother hypothesis is a hypothesis to explain the existence of menopause in human life history by identifying the adaptive value of extended kin networking. It builds on the previously postulated "mother hypothesis" which states that as mothers age, the costs of reproducing become greater, and energy devoted to... |
https://en.wikipedia.org/wiki/Merge%20%28software%29 | Merge is a software system which allows a user to run DOS/Windows 3.1 on SCO UNIX, in an 8086 virtual machine.
History
Merge was originally developed to run DOS under UNIX System V Release 2 on an AT&T 6300 Plus personal computer. Development of the virtual machine began in late 1984, and AT&T announced the availabili... |
https://en.wikipedia.org/wiki/File%20synchronization | File synchronization (or syncing) in computing is the process of ensuring that computer files in two or more locations are updated via certain rules.
In one-way file synchronization, also called mirroring, updated files are copied from a source location to one or more target locations, but no files are copied back to ... |
https://en.wikipedia.org/wiki/Quentin%20Stafford-Fraser | James Quentin Stafford-Fraser is a computer scientist and entrepreneur based in Cambridge, England. He was one of the team that created the first webcam, the Trojan room coffee pot. Quentin pointed a camera at the coffee pot and wrote the XCoffee client program which allowed the image of the pot to be displayed on a w... |
https://en.wikipedia.org/wiki/Vark | Vark (also varak Waraq or warq) is a fine filigree foil sheet of pure metal, typically silver but sometimes gold, used to decorate South Asian sweets and food. The silver and gold are edible, though flavorless. Vark is made by pounding silver into sheets less than one micrometre (μm) thick, typically 0.2 μm-0.8 μm. The... |
https://en.wikipedia.org/wiki/Ideographic%20Research%20Group | The Ideographic Research Group (IRG), formerly called the Ideographic Rapporteur Group, is a subgroup of the ISO/IEC Joint Technical Committee, responsible for developing aspects of The Unicode Standard pertaining to CJK unified ideographs.The IRG is composed of representatives from the Unicode Consortium, as well as e... |
https://en.wikipedia.org/wiki/SECG | In cryptography, the Standards for Efficient Cryptography Group (SECG) is an international consortium founded by Certicom in 1998. The group exists to develop commercial standards for efficient and interoperable cryptography based on elliptic curve cryptography (ECC).
Links and documents
SECG home page
SEC 1: Ellipt... |
https://en.wikipedia.org/wiki/Kubuntu | Kubuntu ( ) is an official flavor of the Ubuntu operating system that uses the KDE Plasma Desktop instead of the GNOME desktop environment. As part of the Ubuntu project, Kubuntu uses the same underlying systems. Kubuntu shares the same repositories as Ubuntu and is released regularly on the same schedule as Ubuntu.
K... |
https://en.wikipedia.org/wiki/Protected%20Extensible%20Authentication%20Protocol | PEAP is also an acronym for Personal Egress Air Packs.
The Protected Extensible Authentication Protocol, also known as Protected EAP or simply PEAP, is a protocol that encapsulates the Extensible Authentication Protocol (EAP) within an encrypted and authenticated Transport Layer Security (TLS) tunnel. The purpose was ... |
https://en.wikipedia.org/wiki/Barnaviridae | Barnaviridae is a family of non-enveloped, positive-strand RNA viruses. Cultivated mushrooms serve as natural hosts. The family has one genus, Barnavirus, which contains one species: Mushroom bacilliform virus. Diseases associated with this family includes La France disease.
Structure
Viruses in Barnaviridae are non-e... |
https://en.wikipedia.org/wiki/Comparison%20of%20platform%20virtualization%20software | Platform virtualization software, specifically emulators and hypervisors, are software packages that emulate the whole physical computer machine, often providing multiple virtual machines on one physical platform. The table below compares basic information about platform virtualization hypervisors.
General
Features
... |
https://en.wikipedia.org/wiki/Advanced%20Dungeons%20%26%20Dragons%3A%20Heroes%20of%20the%20Lance | Advanced Dungeons & Dragons: Heroes of the Lance is a video game released in 1988 for various home computer systems and consoles. The game is based on the first Dragonlance campaign module for the Dungeons & Dragons fantasy role-playing game, Dragons of Despair, and the first Dragonlance novel Dragons of Autumn Twiligh... |
https://en.wikipedia.org/wiki/Lunar%20Pool | Lunar Pool (known as in Japan) is a sports video game. It was developed by Compile for the Nintendo Entertainment System and MSX. The game combines pool (pocket billiards) with aspects of miniature golf. The object is to knock each ball into a pocket using a cue ball. The game offers sixty levels, and the friction of ... |
https://en.wikipedia.org/wiki/Extensible%20Authentication%20Protocol | Extensible Authentication Protocol (EAP) is an authentication framework frequently used in network and internet connections. It is defined in , which made obsolete, and is updated by .
EAP is an authentication framework for providing the transport and usage of material and parameters generated by EAP methods. There ar... |
https://en.wikipedia.org/wiki/Smart%20Battery%20System | Smart Battery System (SBS) is a specification for managing a smart battery, usually for a portable computer. It allows operating systems to perform power management operations via a smart battery charger based on remaining estimated run times by determining accurate state of charge readings. Through this communication,... |
https://en.wikipedia.org/wiki/Test%20plan | A test plan is a document detailing the objectives, resources, and processes for a specific test session for a software or hardware product. The plan typically contains a detailed understanding of the eventual workflow.
Test plans
A test plan documents the strategy that will be used to verify and ensure that a product... |
https://en.wikipedia.org/wiki/Novel%20food | A novel food is a type of food that does not have a significant history of consumption or is produced by a method that has not previously been used for food.
Designer food
Designer food is a type of novel food that has not existed on any regional or global consumer market before. Instead it has been "designed" using b... |
https://en.wikipedia.org/wiki/Vessel%20emergency%20codes | In addition to distress signals like Mayday and pan-pan, most vessels, especially passenger ships, use some emergency signals to alert the crew on board. In some cases, the signals may alert the passengers to danger, but, in others, the objective is to conceal the emergency from unaffected passengers so as to avoid pan... |
https://en.wikipedia.org/wiki/Anethole | Anethole (also known as anise camphor) is an organic compound that is widely used as a flavoring substance. It is a derivative of the aromatic compound allylbenzene and occurs widely in plants in essential oils. It is in the class of phenylpropanoid organic compounds. It contributes a large component of the odor and fl... |
https://en.wikipedia.org/wiki/Smart%20key | A smart key is an electronic access and authorization system that is available either as standard equipment, or as an option in several car designs. It was first developed by Siemens in 1995 and introduced by Mercedes-Benz under the name "Keyless-Go" in 1998 on the W220 S-Class, after the design patent was filed by Dai... |
https://en.wikipedia.org/wiki/Vendange%20tardive | Vendange tardive ("VT") means "late harvest" in French. The phrase refers to a style of dessert wine where the grapes are allowed to hang on the vine until they start to dehydrate. This process, called passerillage, concentrates the sugars in the juice and changes the flavours within it. The name is sometimes written a... |
https://en.wikipedia.org/wiki/Beer%20distribution%20game | The beer distribution game (also known as the beer game) is an educational game that is used to experience typical coordination problems of a supply chain process. It reflects a role-play simulation where several participants play with each other. The game represents a supply chain with a non-coordinated process where... |
https://en.wikipedia.org/wiki/Young%20symmetrizer | In mathematics, a Young symmetrizer is an element of the group algebra of the symmetric group, constructed in such a way that, for the homomorphism from the group algebra to the endomorphisms of a vector space obtained from the action of on by permutation of indices, the image of the endomorphism determined by that... |
https://en.wikipedia.org/wiki/Heawood%20conjecture | In graph theory, the Heawood conjecture or Ringel–Youngs theorem gives a lower bound for the number of colors that are necessary for graph coloring on a surface of a given genus. For surfaces of genus 0, 1, 2, 3, 4, 5, 6, 7, ..., the required number of colors is 4, 7, 8, 9, 10, 11, 12, 12, .... , the chromatic number o... |
https://en.wikipedia.org/wiki/Matt%20Mullenweg | Matthew Charles Mullenweg (born January 11, 1984) is an American entrepreneur and web developer living in Houston. He is known for developing and founding the free and open-source web software WordPress, and its parent company Automattic.
After dropping out of the University of Houston, he worked at CNET Networks from... |
https://en.wikipedia.org/wiki/RL%20circuit | A resistor–inductor circuit (RL circuit), or RL filter or RL network, is an electric circuit composed of resistors and inductors driven by a voltage or current source. A first-order RL circuit is composed of one resistor and one inductor, either in series driven by a voltage source or in parallel driven by a current so... |
https://en.wikipedia.org/wiki/Boarding%20pass | A boarding pass or boarding card is a document provided by an airline during airport check-in, giving a passenger permission to enter the restricted area of an airport (also known as the airside portion of the airport) and to board the airplane for a particular flight. At a minimum, it identifies the passenger, the fli... |
https://en.wikipedia.org/wiki/Traffic%20policing%20%28communications%29 | In communications, traffic policing is the process of monitoring network traffic for compliance with a traffic contract and taking steps to enforce that contract. Traffic sources which are aware of a traffic contract may apply traffic shaping to ensure their output stays within the contract and is thus not discarded. T... |
https://en.wikipedia.org/wiki/Domain%20privacy | Domain privacy (often called Whois privacy) is a service offered by a number of domain name registrars. A user buys privacy from the company, who in turn replaces the user's information in the WHOIS with the information of a forwarding service (for email and sometimes postal mail, it is done by a proxy server).
Level ... |
https://en.wikipedia.org/wiki/Metabolic%20engineering | Metabolic engineering is the practice of optimizing genetic and regulatory processes within cells to increase the cell's production of a certain substance. These processes are chemical networks that use a series of biochemical reactions and enzymes that allow cells to convert raw materials into molecules necessary for ... |
https://en.wikipedia.org/wiki/Cis-3-Hexen-1-ol | cis-3-Hexen-1-ol, also known as (Z)-3-hexen-1-ol and leaf alcohol, is a colorless oily liquid with an intense grassy-green odor of freshly cut green grass and leaves. It is produced in small amounts by most plants and it acts as an attractant to many predatory insects. cis-3-Hexen-1-ol is a very important aroma compoun... |
https://en.wikipedia.org/wiki/Dessin%20d%27enfant | In mathematics, a dessin d'enfant is a type of graph embedding used to study Riemann surfaces and to provide combinatorial invariants for the action of the absolute Galois group of the rational numbers. The name of these embeddings is French for a "child's drawing"; its plural is either dessins d'enfant, "child's drawi... |
https://en.wikipedia.org/wiki/Menstrual%20synchrony | Menstrual synchrony, also called the McClintock effect, or the Wellesley effect, is a contested process whereby women who begin living together in close proximity would experience their menstrual cycle onsets (the onset of menstruation or menses) becoming more synchronized together in time than when previously living a... |
https://en.wikipedia.org/wiki/Fr%C3%A9chet%20filter | In mathematics, the Fréchet filter, also called the cofinite filter, on a set is a certain collection of subsets of (that is, it is a particular subset of the power set of ).
A subset of belongs to the Fréchet filter if and only if the complement of in is finite.
Any such set is said to be , which is why it is a... |
https://en.wikipedia.org/wiki/Weighting%20curve | A weighting curve is a graph of a set of factors, that are used to 'weight' measured values of a variable according to their importance in relation to some outcome. An important example is frequency weighting in sound level measurement where a specific set of weighting curves known as A-, B-, C- and D-weighting as defi... |
https://en.wikipedia.org/wiki/Vaalharts%20Irrigation%20Scheme | The Vaalharts Irrigation Scheme is one of the largest irrigation schemes in the world covering 369.50 square kilometres in the Northern Cape Province of South Africa. It is named after the Vaal River and the Harts River, the Vaal River being its major tributary.
Water from a diversion weir in the Vaal River, near Warr... |
https://en.wikipedia.org/wiki/Neal%20Koblitz | Neal I. Koblitz (born December 24, 1948) is a Professor of Mathematics at the University of Washington. He is also an adjunct professor with the Centre for Applied Cryptographic Research at the University of Waterloo. He is the creator of hyperelliptic curve cryptography and the independent co-creator of elliptic curv... |
https://en.wikipedia.org/wiki/Virtual%20private%20database | A virtual private database or VPD masks data in a larger database so that only a subset of the data appears to exist, without actually segregating data into different tables, schemas or databases. A typical application is constraining sites, departments, individuals, etc. to operate only on their own records and at the... |
https://en.wikipedia.org/wiki/Z1%20%28computer%29 | The Z1 was a motor-driven mechanical computer designed by Konrad Zuse from 1936 to 1937, which he built in his parents' home from 1936 to 1938. It was a binary electrically driven mechanical calculator with limited programmability, reading instructions from punched celluloid film.
The “Z1” was the first freely progra... |
https://en.wikipedia.org/wiki/Pain%20asymbolia | Pain asymbolia, also called pain dissociation, is a condition in which pain is experienced without unpleasantness. This usually results from injury to the brain, lobotomy, cingulotomy or morphine analgesia. Preexisting lesions of the insula may abolish the aversive quality of painful stimuli while preserving the locati... |
https://en.wikipedia.org/wiki/SNDCP | SNDCP, Sub Network Dependent Convergence Protocol, is part of layer 3 of a GPRS protocol specification. SNDCP interfaces to the Internet Protocol at the top, and to the GPRS-specific Logical Link Control (LLC) protocol at the bottom.
In the spirit of the GPRS specifications, there can be many implementations of SNDCP,... |
https://en.wikipedia.org/wiki/Combinatorial%20principles | In proving results in combinatorics several useful combinatorial rules or combinatorial principles are commonly recognized and used.
The rule of sum, rule of product, and inclusion–exclusion principle are often used for enumerative purposes. Bijective proofs are utilized to demonstrate that two sets have the same numb... |
https://en.wikipedia.org/wiki/Unimodality | In mathematics, unimodality means possessing a unique mode. More generally, unimodality means there is only a single highest value, somehow defined, of some mathematical object.
Unimodal probability distribution
In statistics, a unimodal probability distribution or unimodal distribution is a probability distribution... |
https://en.wikipedia.org/wiki/Cassini%20and%20Catalan%20identities | __notoc__
Cassini's identity (sometimes called Simson's identity) and Catalan's identity are mathematical identities for the Fibonacci numbers. Cassini's identity, a special case of Catalan's identity, states that for the nth Fibonacci number,
Note here is taken to be 0, and is taken to be 1.
Catalan's identity ge... |
https://en.wikipedia.org/wiki/Cusp%20neighborhood | In mathematics, a cusp neighborhood is defined as a set of points near a cusp singularity.
Cusp neighborhood for a Riemann surface
The cusp neighborhood for a hyperbolic Riemann surface can be defined in terms of its Fuchsian model.
Suppose that the Fuchsian group G contains a parabolic element g. For example, the e... |
https://en.wikipedia.org/wiki/Inversion%20of%20control | In software engineering, inversion of control (IoC) is a design pattern in which custom-written portions of a computer program receive the flow of control from a generic framework. The term "inversion" is historical: a software architecture with this design "inverts" control as compared to procedural programming. In pr... |
https://en.wikipedia.org/wiki/Nemawashi | Nemawashi () is a Japanese business informal process of quietly laying the foundation for some proposed change or project by talking to the people concerned and gathering support and feedback before a formal announcement. It is considered an important element in any major change in the Japanese business environment b... |
https://en.wikipedia.org/wiki/Insulating%20concrete%20form | Insulating concrete form or insulated concrete form (ICF) is a system of formwork for reinforced concrete usually made with a rigid thermal insulation that stays in place as a permanent interior and exterior substrate for walls, floors, and roofs. The forms are interlocking modular units that are dry-stacked (without m... |
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