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https://en.wikipedia.org/wiki/List%20of%20incomplete%20proofs | This page lists notable examples of incomplete published mathematical proofs. Most of these were accepted as correct for several years but later discovered to contain gaps. There are both examples where a complete proof was later found and where the alleged result turned out to be false.
Results later proved rigorous... |
https://en.wikipedia.org/wiki/Rademacher%20complexity | In computational learning theory (machine learning and theory of computation), Rademacher complexity, named after Hans Rademacher, measures richness of a class of real-valued functions with respect to a probability distribution.
Definitions
Rademacher complexity of a set
Given a set , the Rademacher complexity of A ... |
https://en.wikipedia.org/wiki/Homojunction | A homojunction is a semiconductor interface that occurs between layers of similar semiconductor material; these materials have equal band gaps but typically have different doping. In most practical cases a homojunction occurs at the interface between an n-type (donor doped) and p-type (acceptor doped) semiconductor suc... |
https://en.wikipedia.org/wiki/Tail%20value%20at%20risk | In financial mathematics, tail value at risk (TVaR), also known as tail conditional expectation (TCE) or conditional tail expectation (CTE), is a risk measure associated with the more general value at risk. It quantifies the expected value of the loss given that an event outside a given probability level has occurred.
... |
https://en.wikipedia.org/wiki/Curoba | Curoba is a monotypic moth genus in the subfamily Arctiinae erected by Francis Walker in 1865. It contains the single species Curoba sangarida, first described by Caspar Stoll in 1782, which is found in southern India and Sri Lanka.
Description
Upperside: Antennae filiform and black. Thorax and abdomen chocolate, the ... |
https://en.wikipedia.org/wiki/Fan%20coil%20unit | A fan coil unit (FCU), also known as a Vertical Fan Coil-Unit (VFC), is a device consisting of a heat exchanger (coil) and a fan. FCUs are commonly used in HVAC systems of residential, commercial, and industrial buildings that use ducted split air conditioning or with central plant cooling. FCUs are typically connected... |
https://en.wikipedia.org/wiki/Facebook%20Beacon | Beacon formed part of Facebook's advertisement system that sent data from external websites to Facebook, for the purpose of allowing targeted advertisements and allowing users to share their activities with their friends. Beacon reported to Facebook on Facebook's members' activities on third-party sites that also parti... |
https://en.wikipedia.org/wiki/Fisher%27s%20inequality | Fisher's inequality is a necessary condition for the existence of a balanced incomplete block design, that is, a system of subsets that satisfy certain prescribed conditions in combinatorial mathematics. Outlined by Ronald Fisher, a population geneticist and statistician, who was concerned with the design of experiment... |
https://en.wikipedia.org/wiki/Internet%20Protocol%20Options | There are a number of optional parameters that may be present in an Internet Protocol version 4 datagram. They typically configure a number of behaviors such as for the method to be used during source routing, some control and probing facilities and a number of experimental features.
Loose source routing
Loose Source ... |
https://en.wikipedia.org/wiki/Segregation%20%28materials%20science%29 | In materials science, segregation is the enrichment of atoms, ions, or molecules at a microscopic region in a materials system. While the terms segregation and adsorption are essentially synonymous, in practice, segregation is often used to describe the partitioning of molecular constituents to defects from solid solut... |
https://en.wikipedia.org/wiki/OCSP%20stapling | The Online Certificate Status Protocol (OCSP) stapling, formally known as the TLS Certificate Status Request extension, is a standard for checking the revocation status of X.509 digital certificates. It allows the presenter of a certificate to bear the resource cost involved in providing Online Certificate Status Proto... |
https://en.wikipedia.org/wiki/Xindy | xindy is a flexible program for sorting and formatting book indexes. It was written by Joachim Schrod as a successor to MakeIndex. xindy supports indexing for a variety of programs, including especially LaTeX and troff, and produces complex indices of the data.
xindy is cited as one of the most widely used indexing ... |
https://en.wikipedia.org/wiki/List%20of%20scorewriters | This is a list of music notation programs (excluding discontinued products) which have articles on Wikipedia.
For programs specifically for writing guitar tablature, see the list of guitar tablature software. For discontinued products, see list of discontinued scorewriters.
Free software
Denemo, a scorewriter prima... |
https://en.wikipedia.org/wiki/Mound%20system | A mound system is an engineered drain field for treating wastewater in places with limited access to multi-stage wastewater treatment systems. Mound systems are an alternative to the traditional rural septic system drain field. They are used in areas where septic systems are prone to failure from extremely permeable or... |
https://en.wikipedia.org/wiki/Bygrave%20slide%20rule | The Bygrave slide rule is a slide rule named for its inventor, Captain Leonard Charles Bygrave of the RAF. It was used in celestial navigation, primarily in aviation. Officially, it was called the A. M. L. Position Line Slide Rule (A.M.L. for Air Ministry Laboratories).
It was developed in 1920 at the Air Ministry La... |
https://en.wikipedia.org/wiki/Architectural%20engineer%20%28PE%29 | Architectural Engineer (PE) is a professional engineering designation in the United States. The architectural engineer applies the knowledge and skills of broader engineering disciplines to the design, construction, operation, maintenance, and renovation of buildings and their component systems while paying careful att... |
https://en.wikipedia.org/wiki/Ribosomal%20frameshift | Ribosomal frameshifting, also known as translational frameshifting or translational recoding, is a biological phenomenon that occurs during translation that results in the production of multiple, unique proteins from a single mRNA. The process can be programmed by the nucleotide sequence of the mRNA and is sometimes af... |
https://en.wikipedia.org/wiki/EPLaR | Electronics on Plastic by Laser Release (EPLaR) is a method for manufacturing flexible electrophoretic displays using conventional AM-LCD manufacturing equipment, avoiding the need to build new factories. The technology can also be used to manufacture flexible OLED displays using standard OLED fabrication facilities.
... |
https://en.wikipedia.org/wiki/Vertical%20form%20fill%20sealing%20machine | A vertical form fill sealing machine is a type of automated assembly-line product packaging system, commonly used in the packaging industry for food, and a wide variety of other products. Walter Zwoyer, the inventor of the technology, patented his idea for the VFFS machine in 1936 while working with the Henry Heide Can... |
https://en.wikipedia.org/wiki/Stranski%E2%80%93Krastanov%20growth | Stranski–Krastanov growth (SK growth, also Stransky–Krastanov or 'Stranski–Krastanow') is one of the three primary modes by which thin films grow epitaxially at a crystal surface or interface. Also known as 'layer-plus-island growth', the SK mode follows a two step process: initially, complete films of adsorbates, up t... |
https://en.wikipedia.org/wiki/Surface%20plasmon | Surface plasmons (SPs) are coherent delocalized electron oscillations that exist at the interface between any two materials where the real part of the dielectric function changes sign across the interface (e.g. a metal-dielectric interface, such as a metal sheet in air). SPs have lower energy than bulk (or volume) plas... |
https://en.wikipedia.org/wiki/Substructural%20type%20system | Substructural type systems are a family of type systems analogous to substructural logics where one or more of the structural rules are absent or only allowed under controlled circumstances. Such systems are useful for constraining access to system resources such as files, locks, and memory by keeping track of changes ... |
https://en.wikipedia.org/wiki/Dryad%20%28programming%29 | Dryad was a research project at Microsoft Research for a general purpose runtime for execution of data parallel applications.
The research prototypes of the Dryad and DryadLINQ data-parallel processing frameworks are available in source form at GitHub.
Overview
Microsoft made several preview releases of this technolo... |
https://en.wikipedia.org/wiki/Idoneal%20number | In mathematics, Euler's idoneal numbers (also called suitable numbers or convenient numbers) are the positive integers D such that any integer expressible in only one way as x2 ± Dy2 (where x2 is relatively prime to Dy2) is a prime power or twice a prime power. In particular, a number that has two distinct representat... |
https://en.wikipedia.org/wiki/Lucky%20numbers%20of%20Euler | Euler's "lucky" numbers are positive integers n such that for all integers k with , the polynomial produces a prime number.
When k is equal to n, the value cannot be prime since is divisible by n. Since the polynomial can be written as , using the integers k with produces the same set of numbers as . These polynom... |
https://en.wikipedia.org/wiki/Delaware%20Biotechnology%20Institute | The Delaware Biotechnology Institute (DBI) at the University of Delaware is a partnership among government, academia and industry with an aim to establish Delaware as a notable hub for biotechnology and life sciences.
Adjacent to the University of Delaware main campus, DBI's research facility is located in the Dela... |
https://en.wikipedia.org/wiki/Artstein%27s%20theorem | Artstein's theorem states that a nonlinear dynamical system in the control-affine form
has a differentiable control-Lyapunov function if and only if it admits a regular stabilizing feedback u(x), that is a locally Lipschitz function on Rn\{0}.
The original 1983 proof by Zvi Artstein proceeds by a nonconstructive argu... |
https://en.wikipedia.org/wiki/File%20URI%20scheme | In programming, a file uniform resource identifier (URI) scheme is a specific format of URI, used to specifically identify a file on a host computer. While URIs can be used to identify anything, there is specific syntax associated with identifying files.
Format
A file URI has the format
file://host/path
where host i... |
https://en.wikipedia.org/wiki/Aeronautical%20Systems%20Center | The Aeronautical Systems Center (ASC) is an inactivated Air Force product center that designed, developed and delivered weapon systems and capabilities for U.S. Air Force, other U.S. military, allied and coalition-partner warfighters. ASC managed 420 Air Force, joint and international aircraft acquisition programs and... |
https://en.wikipedia.org/wiki/Reptation | A peculiarity of thermal motion of very long linear macromolecules in entangled polymer melts or concentrated polymer solutions is reptation. Derived from the word reptile, reptation suggests the movement of entangled polymer chains as being analogous to snakes slithering through one another. Pierre-Gilles de Gennes i... |
https://en.wikipedia.org/wiki/JumpStart%20%28software%29 | JumpStart is a computer network installation tool set used by the Solaris operating system.
Usage
JumpStart is used to manage operating system installation in many Information technology environments (corporate and otherwise) where Solaris operating system computers are widely used. It can provide easier installatio... |
https://en.wikipedia.org/wiki/Hypersonic%20flight | Hypersonic flight is flight through the atmosphere below altitudes of about 90 km at speeds greater than Mach 5, a speed where dissociation of air begins to become significant and high heat loads exist. Speeds over Mach 25 have been achieved below the thermosphere as of 2020.
History
The first manufactured object to a... |
https://en.wikipedia.org/wiki/Ordinal%20definable%20set | In mathematical set theory, a set S is said to be ordinal definable if, informally, it can be defined in terms of a finite number of ordinals by a first-order formula. Ordinal definable sets were introduced by .
A drawback to this informal definition is that it requires quantification over all first-order formulas, wh... |
https://en.wikipedia.org/wiki/Born-digital | The term born-digital refers to materials that originate in a digital form. This is in contrast to digital reformatting, through which analog materials become digital, as in the case of files created by scanning physical paper records. It is most often used in relation to digital libraries and the issues that go along... |
https://en.wikipedia.org/wiki/Rule%20of%20Sarrus | In matrix theory, the Rule of Sarrus is a mnemonic device for computing the determinant of a matrix named after the French mathematician Pierre Frédéric Sarrus.
Consider a matrix
then its determinant can be computed by the following scheme.
Write out the first two columns of the matrix to the right of the third co... |
https://en.wikipedia.org/wiki/Naum%20Z.%20Shor | Naum Zuselevich Shor () (1 January 1937 – 26 February 2006) was a Soviet and Ukrainian mathematician specializing in optimization.
He made significant contributions to nonlinear and stochastic programming, numerical techniques for non-smooth optimization, discrete optimization problems, matrix optimization, dual quad... |
https://en.wikipedia.org/wiki/Hardware%20scout | Hardware scout is a technique that uses otherwise idle processor execution resources to perform prefetching during cache misses. When a thread is stalled by a cache miss, the processor pipeline checkpoints the register file, switches to runahead mode, and continues to issue instructions from the thread that is waiting ... |
https://en.wikipedia.org/wiki/Adhesive%20bonding%20of%20semiconductor%20wafers | Adhesive bonding (also referred to as gluing or glue bonding) describes a wafer bonding technique with applying an intermediate layer to connect substrates of different types of materials. Those connections produced can be soluble or insoluble. The commercially available adhesive can be organic or inorganic and is depo... |
https://en.wikipedia.org/wiki/Rare-cutter%20enzyme | A rare-cutter enzyme is a restriction enzyme with a recognition sequence which occurs only rarely in a genome. An example is NotI, which cuts after the first GC of a 5'-GCGGCCGC-3' sequence; restriction enzymes with seven and eight base pair recognition sequences are often also called rare-cutter enzymes (six bp recog... |
https://en.wikipedia.org/wiki/Double%20Helix%20%28novel%29 | Double Helix (2004), a novel by Nancy Werlin, is about 18-year-old Eli Samuels, who works for a famous molecular biologist named Dr. Quincy Wyatt. There is a mysterious connection between Dr. Wyatt and Eli's parents, and all Eli knows about the connection is that it has something to do with his mother, who has Hunting... |
https://en.wikipedia.org/wiki/Monge%27s%20theorem | In geometry, Monge's theorem, named after Gaspard Monge, states that for any three circles in a plane, none of which is completely inside one of the others, the intersection points of each of the three pairs of external tangent lines are collinear.
For any two circles in a plane, an external tangent is a line that is ... |
https://en.wikipedia.org/wiki/Peter%20Montgomery%20%28mathematician%29 | Peter Lawrence Montgomery (September 25, 1947 – February 18, 2020) was an American mathematician who worked at the System Development Corporation and Microsoft Research. He is best known for his contributions to computational number theory and mathematical aspects of cryptography, including the Montgomery multiplicati... |
https://en.wikipedia.org/wiki/Secure64%20Software | Secure64 Software Corporation is a software development company headquartered in Fort Collins, CO, USA, building server applications.
History
Secure64 was founded in 2002 and began full-scale development in 2005. Its founders include Bill Worley, CTO, a former chief scientist of Hewlett Packard and lead developer of ... |
https://en.wikipedia.org/wiki/Virtual%20design%20and%20construction | Virtual design and construction (VDC) is the management of integrated multi-disciplinary performance models of design–construction projects, including the product (facilities), work processes, and organization of the design – construction – operation team to support explicit and public business objectives. This is usua... |
https://en.wikipedia.org/wiki/Frigorific%20mixture | A frigorific mixture is a mixture of two or more phases in a chemical system that, so long as none of the phases are completely consumed during equilibration, reaches an equilibrium temperature that is independent of the starting temperature of the phases before they are mixed. The equilibrium temperature is also inde... |
https://en.wikipedia.org/wiki/Introduction%20to%20viruses | A virus is a tiny infectious agent that reproduces inside the cells of living hosts. When infected, the host cell is forced to rapidly produce thousands of identical copies of the original virus. Unlike most living things, viruses do not have cells that divide; new viruses assemble in the infected host cell. But unlike... |
https://en.wikipedia.org/wiki/Hierarchical%20internetworking%20model | The Hierarchical internetworking model is a three-layer model for network design first proposed by Cisco. It divides enterprise networks into three layers: core, distribution, and access layer.
Access layer
End-stations and servers connect to the enterprise at the access layer. Access layer devices are usually commodi... |
https://en.wikipedia.org/wiki/Rajeev%20Alur | Rajeev Alur is an American professor of computer science at the University of Pennsylvania who has made contributions to formal methods, programming languages, and automata theory, including notably the introduction of timed automata (Alur and Dill, 1994) and nested words (Alur and Madhusudan, 2004).
Prof. Alur was bo... |
https://en.wikipedia.org/wiki/Robert%20J.%20Elliott | Robert James Elliott (born 1940) is a British-Canadian mathematician, known for his contributions to control theory, game theory, stochastic processes and mathematical finance.
He was schooled at Swanwick Hall Grammar School in Swanwick, Derbyshire and studied mathematics in which he earn a B.A. (1961) and M.A. (1965)... |
https://en.wikipedia.org/wiki/Process%20control%20monitoring | In the application of integrated circuits, process control monitoring (PCM) is the procedure followed to obtain detailed information about the process used.
PCM is associated with designing and fabricating special structures that can monitor technology specific parameters such as Vth in CMOS and Vbe in bipolars. These... |
https://en.wikipedia.org/wiki/Nested%20set%20collection | A nested set collection or nested set family is a collection of sets that consists of chains of subsets forming a hierarchical structure, like Russian dolls.
It is used as reference concept in scientific hierarchy definitions, and many technical approaches, like the tree in computational data structures or nested set... |
https://en.wikipedia.org/wiki/Principal%20root%20of%20unity | In mathematics, a principal n-th root of unity (where n is a positive integer) of a ring is an element satisfying the equations
In an integral domain, every primitive n-th root of unity is also a principal -th root of unity. In any ring, if n is a power of 2, then any n/2-th root of −1 is a principal n-th root of ... |
https://en.wikipedia.org/wiki/Continuous%20cooling%20transformation | A continuous cooling transformation (CCT) phase diagram is often used when heat treating steel. These diagrams are used to represent which types of phase changes will occur in a material as it is cooled at different rates. These diagrams are often more useful than time-temperature-transformation diagrams because it is ... |
https://en.wikipedia.org/wiki/Ordered%20geometry | Ordered geometry is a form of geometry featuring the concept of intermediacy (or "betweenness") but, like projective geometry, omitting the basic notion of measurement. Ordered geometry is a fundamental geometry forming a common framework for affine, Euclidean, absolute, and hyperbolic geometry (but not for projective... |
https://en.wikipedia.org/wiki/Pythagorean%20addition | In mathematics, Pythagorean addition is a binary operation on the real numbers that computes the length of the hypotenuse of a right triangle, given its two sides. According to the Pythagorean theorem, for a triangle with sides and , this length can be calculated as
where denotes the Pythagorean addition operation.
... |
https://en.wikipedia.org/wiki/Sound%20on%20tape | SOT is an acronym for the phrase sound on tape. It refers to any audio recorded on analog or digital video formats. It is used in scriptwriting for television productions and filmmaking to indicate the portions of the production that will use room tone or other audio from the time of recording, as opposed to audio reco... |
https://en.wikipedia.org/wiki/Computer%20Technology%20Limited | Computer Technology Limited (CTL) was a British computer company founded in 1965. In 1984 it merged into its holding company and was called Information Technology Limited (ITL).
Founder Iann Barron had worked for Elliott Automation but left to form CTL when he couldn't persuade Elliott to incorporate his ideas in the... |
https://en.wikipedia.org/wiki/Northern%20riverine%20forest | The northern riverine forest is a type of forest ecology most dominant along waterways in the northeastern and north-central United States and bordering areas of Canada. Key species include willow, elm, American sycamore, painted trillium, goldthread, common wood-sorrel, pink lady's-slipper, wild sarsaparilla, and cott... |
https://en.wikipedia.org/wiki/Mathematics%20of%20Operations%20Research | Mathematics of Operations Research is a quarterly peer-reviewed scientific journal established in February 1976. It focuses on areas of mathematics relevant to the field of operations research such as continuous optimization, discrete optimization, game theory, machine learning, simulation methodology, and stochastic m... |
https://en.wikipedia.org/wiki/IBM%20Scale-out%20File%20Services | Scale out File Services (SoFS) is a highly scalable, grid-based NAS implementation developed by IBM. It is based on IBM's high-performance shared-disk clustered file system Spectrum Scale. SoFS exports the clustered file system through industry standard protocols like SMB, NFS, FTP and HTTP. Released in 2007, SoFS is a... |
https://en.wikipedia.org/wiki/Casey%27s%20theorem | In mathematics, Casey's theorem, also known as the generalized Ptolemy's theorem, is a theorem in Euclidean geometry named after the Irish mathematician John Casey.
Formulation of the theorem
Let be a circle of radius . Let be (in that order) four non-intersecting circles that lie inside and tangent to it. Denote ... |
https://en.wikipedia.org/wiki/ISBEM | iSBEM is a free-cost proprietary software interface to the Simplified Building Energy Model (SBEM) which is designed for the purpose of indicating compliance with UK building regulations part L2a and L2b in England and section 6 in Scotland as regards carbon emissions from non domestic buildings. The latest version at ... |
https://en.wikipedia.org/wiki/Quantaloid | In mathematics, a quantaloid is a category enriched over the category Sup of suplattices. In other words, for any objects a and b the morphism object between them is not just a set but a complete lattice, in such a way that composition of morphisms preserves all joins:
The endomorphism lattice of any object in a qua... |
https://en.wikipedia.org/wiki/S3M | S3M (Scream Tracker 3 Module) is a module file format, the successor to the STM format used by the original Scream Tracker. Both formats are based on the original MOD format used on the Amiga computer.
The S3M format has many differences compared to its predecessors.
The format is a hybrid of digital playback and sy... |
https://en.wikipedia.org/wiki/Social%20value%20orientations | In social psychology, social value orientation (SVO) is a person's preference about how to allocate resources (e.g. money) between the self and another person. SVO corresponds to how much weight a person attaches to the welfare of others in relation to the own. Since people are assumed to vary in the weight they attach... |
https://en.wikipedia.org/wiki/Melanoblast | A melanoblast is a precursor cell of a melanocyte. These cells migrate from the trunk neural crest cells (in terms of axial level from neck to posterior end) dorsolaterally between the ectoderm and dorsal surface of the somites.
See also
Biological pigment
List of human cell types derived from the germ layers
Refere... |
https://en.wikipedia.org/wiki/Darboux%27s%20formula | In mathematical analysis, Darboux's formula is a formula introduced by for summing infinite series by using integrals or evaluating integrals using infinite series. It is a generalization to the complex plane of the Euler–Maclaurin summation formula, which is used for similar purposes and derived in a similar manner ... |
https://en.wikipedia.org/wiki/Firewalls%20and%20Internet%20Security | Firewalls and Internet Security: Repelling the Wily Hacker is a 1994 book by William R. Cheswick and Steven M. Bellovin that helped define the concept of a network firewall.
Describing in detail one of the first major firewall deployments at AT&T, the book influenced the formation of the perimeter security model, which... |
https://en.wikipedia.org/wiki/State%20Scientific%20Research%20Institute%20of%20Aviation%20Systems | State Scientific Research Institute of Aviation Systems or GosNIIAS for short () is a Russian aerospace research centre. Founded by the decree of the Council of Ministers of the USSR on 26 February 1946 from a number of laboratories of the Flight Research Institute for operations research and aviation weapons systems d... |
https://en.wikipedia.org/wiki/Holographic%20algorithm | In computer science, a holographic algorithm is an algorithm that uses a holographic reduction. A holographic reduction is a constant-time reduction that maps solution fragments many-to-many such that the sum of the solution fragments remains unchanged. These concepts were introduced by Leslie Valiant, who called them ... |
https://en.wikipedia.org/wiki/De-perimeterisation | In information security, de-perimeterisation is the removal of a boundary between an organisation and the outside world. De-perimeterisation is protecting an organization's systems and data on multiple levels by using a mixture of encryption, secure computer protocols, secure computer systems and data-level authenticat... |
https://en.wikipedia.org/wiki/Normal%20shock%20tables | In aerodynamics, the normal shock tables are a series of tabulated data listing the various properties before and after the occurrence of a normal shock wave. With a given upstream Mach number, the post-shock Mach number can be calculated along with the pressure, density, temperature, and stagnation pressure ratios. ... |
https://en.wikipedia.org/wiki/Subcostal%20plane | The subcostal plane is a transverse plane which bisects the body at the level of the 10th costal margin and the vertebra body L3.
References
External links
http://www.liv.ac.uk/HumanAnatomy/phd/mbchb/travel/surface1.html
http://www.qub.ac.uk/cskills/Abd%20exam.htm
Anatomical planes |
https://en.wikipedia.org/wiki/Interspinous%20plane | The interspinous plane (Planum interspinale) is an anatomical transverse plane that passes through the anterior superior iliac spines. It separates the lateral lumbar region from the inguinal region and the umbilical region from the pubic region.
References
Anatomical planes |
https://en.wikipedia.org/wiki/Desertec | DESERTEC is a non-profit foundation that focuses on the production of renewable energy in desert regions The project aims to create a global renewable energy plan based on the concept of harnessing sustainable powers, from sites where renewable sources of energy are more abundant, and transferring it through high-volta... |
https://en.wikipedia.org/wiki/Berlin%20Mathematical%20School | The Berlin Mathematical School (BMS) is a joint graduate school of the three renowned mathematics departments of the public research universities in Berlin: Freie Universität Berlin, Humboldt-Universität zu Berlin, and Technische Universität Berlin.
In October 2006, the BMS was awarded one of the 18 prestigious gradua... |
https://en.wikipedia.org/wiki/Spurious-free%20dynamic%20range | Spurious-free dynamic range (SFDR) is the strength ratio of the fundamental signal to the strongest spurious signal in the output. It
is also defined as a measure used to specify analog-to-digital and digital-to-analog converters (ADCs and DACs, respectively) and radio receivers.
SFDR is defined as the ratio of the RM... |
https://en.wikipedia.org/wiki/Abdullah%20Atalar | Abdullah Atalar (born April 11, 1954) is a Turkish scientist and academic. Atalar was the Rector of İhsan Doğramacı Bilkent University, and a professor at Department of Electrical and Electronics Engineering. He received B.S. degree from Middle East Technical University, in 1974, M.S. and Ph.D. degrees from Stanford Un... |
https://en.wikipedia.org/wiki/Pugh%27s%20closing%20lemma | In mathematics, Pugh's closing lemma is a result that links periodic orbit solutions of differential equations to chaotic behaviour. It can be formally stated as follows:
Let be a diffeomorphism of a compact smooth manifold . Given a nonwandering point of , there exists a diffeomorphism arbitrarily close to ... |
https://en.wikipedia.org/wiki/Soredium | Soredia are common reproductive structures of lichens. Lichens reproduce asexually by employing simple fragmentation and production of soredia and isidia. Soredia are powdery propagules composed of fungal hyphae wrapped around cyanobacteria or green algae. These can be either scattered diffusely across the surface of ... |
https://en.wikipedia.org/wiki/Debraj%20Ray%20%28economist%29 | Debraj Ray (born 3 September 1957) is an Indian-American economist, who is currently teaching and working at New York University. His research interests focus on development economics and game theory. Ray served as Co-editor of the American Economic Review between 2012 and 2020.
Ray is Julius Silver Professor in the F... |
https://en.wikipedia.org/wiki/Ostomachion | Ostomachion, also known as loculus Archimedius () or syntomachion, is a mathematical treatise attributed to Archimedes. This work has survived fragmentarily in an Arabic version and a copy, the Archimedes Palimpsest, of the original ancient Greek text made in Byzantine times.
The word Ostomachion has as its roots in t... |
https://en.wikipedia.org/wiki/Similarities%20between%20Wiener%20and%20LMS | The Least mean squares filter solution converges to the Wiener filter solution, assuming that the unknown system is LTI and the noise is stationary. Both filters can be used to identify the impulse response of an unknown system, knowing only the original input signal and the output of the unknown system. By relaxing th... |
https://en.wikipedia.org/wiki/Tracked%20loader | A tracked loader or crawler loader is an engineering vehicle consisting of a tracked chassis with a front bucket for digging and loading material. The history of tracked loaders can be defined by three evolutions of their design. Each of these evolutions made the tracked loader a more viable and versatile tool in the e... |
https://en.wikipedia.org/wiki/Weierstrass%20ring | In mathematics, a Weierstrass ring, named by Nagata after Karl Weierstrass, is a commutative local ring that is Henselian, pseudo-geometric, and such that any quotient ring by a prime ideal is a finite extension of a regular local ring.
Examples
The Weierstrass preparation theorem can be used to show that the ring of... |
https://en.wikipedia.org/wiki/Henselian%20ring | In mathematics, a Henselian ring (or Hensel ring) is a local ring in which Hensel's lemma holds. They were introduced by , who named them after Kurt Hensel. Azumaya originally allowed Henselian rings to be non-commutative, but most authors now restrict them to be commutative.
Some standard references for Hensel rings... |
https://en.wikipedia.org/wiki/Cam-6 | The CAM-6 accelerator is a PC-compatible expansion board designed to simulate cellular automata, presenting the output to an IBM CGA display. It was designed by Tommaso Toffoli and Norman Margolus and is described at length in "Cellular Automata Machines", by Toffoli and Margolus (MIT Press, 1987). The card was enginee... |
https://en.wikipedia.org/wiki/Marsha%20Looper | Marsha Looper (born c. 1959) was a Colorado legislator. Elected to the Colorado House of Representatives as a Republican in 2006, Looper represented House District 19, which encompasses eastern El Paso County, Colorado from 2006 to 2012.
Early career
Born to a family of Eastern European descent, Looper was raised on C... |
https://en.wikipedia.org/wiki/Polynomial%20Diophantine%20equation | In mathematics, a polynomial Diophantine equation is an indeterminate polynomial equation for which one seeks solutions restricted to be polynomials in the indeterminate. A Diophantine equation, in general, is one where the solutions are restricted to some algebraic system, typically integers. (In another usage ) Dio... |
https://en.wikipedia.org/wiki/Nisnevich%20topology | In algebraic geometry, the Nisnevich topology, sometimes called the completely decomposed topology, is a Grothendieck topology on the category of schemes which has been used in algebraic K-theory, A¹ homotopy theory, and the theory of motives. It was originally introduced by Yevsey Nisnevich, who was motivated by the ... |
https://en.wikipedia.org/wiki/History%20of%20Sinhala%20software | Sinhala language software for computers have been present since the late 1980s (Samanala written in C) but no standard character representation system was put in place which resulted in proprietary character representation systems and fonts. In the wake of this CINTEC (Computer and Information Technology Council of Sri... |
https://en.wikipedia.org/wiki/G%C3%BCnter%20M.%20Ziegler | Günter Matthias Ziegler (born 19 May 1963) is a German mathematician who has been serving as president of the Free University of Berlin since 2018. Ziegler is known for his research in discrete mathematics and geometry, and particularly on the combinatorics of polytopes.
Biography
Ziegler studied at the Ludwig Maximi... |
https://en.wikipedia.org/wiki/Sun%20xVM | Sun xVM was a product line from Sun Microsystems that addressed virtualization technology on x86 platforms. One component was discontinued before the Oracle acquisition of Sun; the remaining two continue under Oracle branding.
History
Sun originally announced the xVM product family in October 2007. The brand at one ... |
https://en.wikipedia.org/wiki/Society%20of%20American%20Military%20Engineers | The Society of American Military Engineers (SAME) unites public and private sector individuals and organizations from across the architecture, engineering, construction, environmental, facility management, contracting and acquisition fields and related disciplines in support of the United States' national security.
SA... |
https://en.wikipedia.org/wiki/Jane%20Hillston | Jane Elizabeth Hillston (born 1963) is a British computer scientist who is professor of quantitative modelling and head of school in the School of Informatics, University of Edinburgh, Scotland.
Early life and education
Hillston received a BA in Mathematics from the University of York in 1985, an MSc in Mathematics... |
https://en.wikipedia.org/wiki/Tunatic | Tunatic is a freeware music identification program developed by Sylvain Demongeot for Windows and Mac OS.
The software analyzes a song by recording it via microphone or just by playing it through the sound card, and then it sends the data online to its database where it searches for a match. Tunatic will return the t... |
https://en.wikipedia.org/wiki/Polymerase%20stuttering | Polymerase stuttering is the process by which a polymerase transcribes a nucleotide several times without progressing further on the mRNA chain. It is often used in addition of poly A tails or capping mRNA chains by less complex organisms such as viruses.
Process
A polymerase may undergo stuttering as a probability... |
https://en.wikipedia.org/wiki/Longitudinal%20stability | In flight dynamics, longitudinal stability is the stability of an aircraft in the longitudinal, or pitching, plane. This characteristic is important in determining whether an aircraft pilot will be able to control the aircraft in the pitching plane without requiring excessive attention or excessive strength.
The longi... |
https://en.wikipedia.org/wiki/Digital%20image%20correlation%20and%20tracking | Digital image correlation and tracking is an optical method that employs tracking and image registration techniques for accurate 2D and 3D measurements of changes in images. This method is often used to measure full-field displacement and strains, and it is widely applied in many areas of science and engineering. Compa... |
https://en.wikipedia.org/wiki/Taxonomic%20rank | In biology, taxonomic rank is the relative level of a group of organisms (a taxon) in an ancestral or hereditary hierarchy. A common system of biological classification (taxonomy) consists of species, genus, family, order, class, phylum, kingdom, and domain. While older approaches to taxonomic classification were pheno... |
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