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https://en.wikipedia.org/wiki/Leftover%20hash%20lemma | The leftover hash lemma is a lemma in cryptography first stated by Russell Impagliazzo, Leonid Levin, and Michael Luby.
Imagine that you have a secret key that has uniform random bits, and you would like to use this secret key to encrypt a message. Unfortunately, you were a bit careless with the key, and know that a... |
https://en.wikipedia.org/wiki/T%C3%AAte%20%C3%A0%20Toto | The tête à Toto is a French typographical design and children's game, well known to French schoolchildren.
It consists of the equation "0+0=0", written with the first two "0"s for eyes, the "+" for a nose, the "=" for a mouth, and the final "0" surrounding, as a stylized face or skull.
It is drawn while reciting:
Tra... |
https://en.wikipedia.org/wiki/GMC-4 | The GMC-4 is the only 4-bit microcomputer to be mass-produced in the last 30 years (as of 2009). It was produced by Gakken, a Japanese publisher who distributed it with a magazine attached to a box containing the components required to assemble the computer.
The purpose of the GMC-4 is education. It provides an access... |
https://en.wikipedia.org/wiki/Platycerioideae | Platycerioideae is a small subfamily of the fern family Polypodiaceae in the Pteridophyte Phylogeny Group classification of 2016 (PPG I). The subfamily is also treated as the tribe Platycerieae within a very broadly defined family Polypodiaceae sensu lato.
Two genera are recognized in PPG I:
Platycerium Desv.
Pyrros... |
https://en.wikipedia.org/wiki/TATA-binding%20protein | The TATA-binding protein (TBP) is a general transcription factor that binds specifically to a DNA sequence called the TATA box. This DNA sequence is found about 30 base pairs upstream of the transcription start site in some eukaryotic gene promoters.
TBP gene family
TBP is a member of a small gene family of TBP-rel... |
https://en.wikipedia.org/wiki/Parasitic%20chromosome | Parasitic chromosomes are "selfish" chromosomes that propagate throughout cell divisions, even if they confer no benefit to the overall organism's survival. Parasitic chromosomes can persist even if slightly detrimental to survival, as is characteristic of some selfish genetic elements. Parasitic chromosomes are often ... |
https://en.wikipedia.org/wiki/Digital%20timing%20diagram | A digital timing diagram represents a set of signals in the time domain. A timing diagram can contain many rows, usually one of them being the clock. It is a tool commonly used in digital electronics, hardware debugging, and digital communications. Besides providing an overall description of the timing relationships, t... |
https://en.wikipedia.org/wiki/List%20of%20terms%20using%20the%20word%20occipital | The adjective occipital, in zoology, means pertaining to the occiput (rear of the skull).
Occipital is a descriptor for several areas of animal and human anatomy.
External occipital protuberance
Internal occipital crest
Greater occipital nerve
Lesser occipital nerve
Occipital artery
Occipital bone
Occipital bun
... |
https://en.wikipedia.org/wiki/Robert%20Lawson%20Vaught | Robert Lawson Vaught (April 4, 1926 – April 2, 2002) was a mathematical logician and one of the founders of model theory.
Life
Vaught was a musical prodigy in his youth, in his case playing the piano. He began his university studies at Pomona College, at age 16. When World War II broke out, he enlisted into the US Nav... |
https://en.wikipedia.org/wiki/Journal%20of%20Food%20Science | The Journal of Food Science is a peer-reviewed scientific journal that was established in 1936 and is published by John Wiley & Sons on behalf of the Institute of Food Technologists in Chicago, Illinois. From 1996 to 2005, it was ranked eighth among impact in scientific journals publishing food science and technology.
... |
https://en.wikipedia.org/wiki/Dyall%20Hamiltonian | In quantum chemistry, the Dyall Hamiltonian is a modified Hamiltonian with two-electron nature. It can be written as follows:
where labels , , denote core, active and virtual orbitals (see Complete active space) respectively, and are the orbital energies of the involved orbitals, and operators are the spin-traced ... |
https://en.wikipedia.org/wiki/Stinking%20badges | "Stinkin' badges" is a paraphrase of a line of dialogue from the 1948 film The Treasure of the Sierra Madre. That line was in turn derived from dialogue in the 1927 novel of the same name, which was the basis for the film.
In 2005, the full quote from the film was chosen as #36 on the American Film Institute list, AFI... |
https://en.wikipedia.org/wiki/Skvader | The skvader () is a Swedish fictional creature that was constructed in 1918 by the taxidermist Rudolf Granberg and is permanently displayed at the museum at Norra Berget in Sundsvall. It has the forequarters and hindlegs of a European hare (Lepus europaeus), and the back, wings and tail of a female wood grouse (Tetrao ... |
https://en.wikipedia.org/wiki/Subspace%20Gaussian%20mixture%20model | Subspace Gaussian mixture model (SGMM) is an acoustic modeling approach in which all phonetic states share a common Gaussian mixture model structure, and the means and mixture weights vary in a subspace of the total parameter space. |
https://en.wikipedia.org/wiki/Wirecard | Wirecard AG is an insolvent German payment processor and financial services provider whose former CEO, COO, two board members, and other executives have been arrested or otherwise implicated in criminal proceedings. In June 2020, the company announced that €1.9 billion in cash was missing. It owed €3.2 billion in debt.... |
https://en.wikipedia.org/wiki/Scalar%E2%80%93vector%E2%80%93tensor%20decomposition | In cosmological perturbation theory, the scalar–vector–tensor decomposition is a decomposition of the most general linearized perturbations of the Friedmann–Lemaître–Robertson–Walker metric into components according to their transformations under spatial rotations. It was first discovered by E. M. Lifshitz in 1946. It... |
https://en.wikipedia.org/wiki/Cave%20of%20Beasts | The Cave of the Beasts (also named Foggini-Mestikawi Cave or Foggini Cave or Cave Wadi Sura II) is a huge natural rock shelter in the Western Desert of Egypt featuring Neolithic rock paintings, more than 7,000 years old, with about 5,000 figures.
Geographical location
The shelter is located in the Wadi Sura at the so... |
https://en.wikipedia.org/wiki/Robotix%20%28toyline%29 | Robotix is a line of toy motorized modular construction sets used for constructing robotic creatures, vehicles and machines, often including action figures. Robotix toys were first marketed by the Milton Bradley Company (MB) from 1984 until 1986. The 1985 cartoon series Robotix was based on these toys. During the 1990s... |
https://en.wikipedia.org/wiki/CUTEr | CUTEr (Constrained and Unconstrained Testing Environment, revisited) is an open source testing environment for optimization and linear algebra solvers. CUTEr provides a collection of test problems along with a set of tools to help developers design, compare, and improve new and existing test problem solvers.
CUTEr is ... |
https://en.wikipedia.org/wiki/RecQ%20helicase | RecQ helicase is a family of helicase enzymes initially found in Escherichia coli that has been shown to be important in genome maintenance. They function through catalyzing the reaction ATP + H2O → ADP + P and thus driving the unwinding of paired DNA and translocating in the 3' to 5' direction. These enzymes can also... |
https://en.wikipedia.org/wiki/Bioaugmentation | Biological augmentation is the addition of archaea or bacterial cultures required to speed up the rate of degradation of a contaminant. Organisms that originate from contaminated areas may already be able to break down waste, but perhaps inefficiently and slowly.
Bioaugmentation is a type of bioremediation in which it... |
https://en.wikipedia.org/wiki/Roller%20screw | A roller screw, also known as a planetary roller screw or satellite roller screw, is a low-friction precision screw-type actuator, a mechanical device for converting rotational motion to linear motion, or vice versa. Planetary roller screws are used as the actuating mechanism in many electro-mechanical linear actuator... |
https://en.wikipedia.org/wiki/Crypto-shredding | Crypto-shredding is the practice of 'deleting' data by deliberately deleting or overwriting the encryption keys.
This requires that the data have been encrypted. Data may be considered to exist in three states: data at rest, data in transit and data in use. General data security principles, such as in the CIA triad of... |
https://en.wikipedia.org/wiki/Zhejiang%20Institute%20of%20Modern%20Physics | Zhejiang Institute of Modern Physics (Traditional Chinese: 浙江大學近代物理中心, Simplified Chinese: 浙江近代物理中心) is a research center for theoretical physics. It is part of the Zhejiang University, People's Republic of China.
Introduction
The institute was formally founded in 1991, due to the encouragement of American Nobel Pri... |
https://en.wikipedia.org/wiki/Spicamycin | Spicamycin is an antibiotic with the molecular formula C30H51N7O7 which is produced by the bacterium Streptomyces alanosinicus. Spicamycin also shows antitumor activity. |
https://en.wikipedia.org/wiki/Cytomixis | Cytomixis is migration of the nuclei from one plant cell to another through intercellular channels of a special type (cytomictic channels), differing from plasmodesmata in their structure and size. This unique phenomenon was discovered over a century ago.
Intercellular migration of nuclei has been observed in manifold... |
https://en.wikipedia.org/wiki/Coenzyme%20A | Coenzyme A (CoA, SHCoA, CoASH) is a coenzyme, notable for its role in the synthesis and oxidation of fatty acids, and the oxidation of pyruvate in the citric acid cycle. All genomes sequenced to date encode enzymes that use coenzyme A as a substrate, and around 4% of cellular enzymes use it (or a thioester) as a substr... |
https://en.wikipedia.org/wiki/Vineyard%20designated%20wine | A vineyard designated wine is a wine produced from the product of a single vineyard with that vineyard's name appearing on the wine label.
Throughout the history of winemaking and viticulture, the differences in quality between one plot of land and another have been observed with the boundaries of these vineyard gene... |
https://en.wikipedia.org/wiki/Cmap%20%28font%29 | The cmap table is one of the OpenType font tables, which are required to enable correct font functioning. It "defines the mapping of character codes to the glyph index values used in the font." |
https://en.wikipedia.org/wiki/Compositional%20pattern-producing%20network | Compositional pattern-producing networks (CPPNs) are a variation of artificial neural networks (ANNs) that have an architecture whose evolution is guided by genetic algorithms.
While ANNs often contain only sigmoid functions and sometimes Gaussian functions, CPPNs can include both types of functions and many others. T... |
https://en.wikipedia.org/wiki/NDUFAF5 | NADH:ubiquinone oxidoreductase complex assembly factor 5, also known as Arginine-hydroxylase NDUFAF5, or Putative methyltransferase NDUFAF5, is a protein that in humans is encoded by the NDUFAF5 gene. The NADH-ubiquinone oxidoreductase complex (complex I) of the mitochondrial respiratory chain catalyzes the transfer of... |
https://en.wikipedia.org/wiki/Photoreceptor%20cell | A photoreceptor cell is a specialized type of neuroepithelial cell found in the retina that is capable of visual phototransduction. The great biological importance of photoreceptors is that they convert light (visible electromagnetic radiation) into signals that can stimulate biological processes. To be more specific,... |
https://en.wikipedia.org/wiki/Macropod%20hybrid | Macropod hybrids are hybrids of animals within the family Macropodidae, which includes kangaroos and wallabies. Several macropod hybrids have been experimentally bred, including:
Some hybrids between similar species have been achieved by housing males of one species and females of the other together to limit the choic... |
https://en.wikipedia.org/wiki/Roger%20W.%20Brockett | Roger Ware Brockett (October 22, 1938 – March 19, 2023) was an American control theorist and the An Wang Professor of Computer Science and Electrical Engineering at Harvard University, who founded the Harvard Robotics Laboratory in 1983.
Brockett became a member of the National Academy of Engineering in 1991 for outst... |
https://en.wikipedia.org/wiki/Barbara%20Liskov | Barbara Liskov (born November 7, 1939 as Barbara Jane Huberman) is an American computer scientist who has made pioneering contributions to programming languages and distributed computing. Her notable work includes the introduction of abstract data types and the accompanying principle of data abstraction, along with the... |
https://en.wikipedia.org/wiki/NeXT%20Computer | NeXT Computer (also called the NeXT Computer System) is a workstation computer that was developed, marketed, and sold by NeXT Inc. It was introduced in October 1988 as the company's first and flagship product, at a price of , aimed at the higher-education market. It was designed around the Motorola 68030 CPU and 68882 ... |
https://en.wikipedia.org/wiki/SL2%28R%29 | {{DISPLAYTITLE:SL2(R)}}
In mathematics, the special linear group SL(2, R) or SL2(R) is the group of 2 × 2 real matrices with determinant one:
It is a connected non-compact simple real Lie group of dimension 3 with applications in geometry, topology, representation theory, and physics.
SL(2, R) acts on the complex ... |
https://en.wikipedia.org/wiki/Euclidean%20shortest%20path | The Euclidean shortest path problem is a problem in computational geometry: given a set of polyhedral obstacles in a Euclidean space, and two points, find the shortest path between the points that does not intersect any of the obstacles.
Two dimensions
In two dimensions, the problem can be solved in polynomial time i... |
https://en.wikipedia.org/wiki/List%20of%20CRT%20video%20projectors | This is an incomplete list of front-projection CRT video projectors.
List of CRT projectors
... |
https://en.wikipedia.org/wiki/Margaret%20Armstrong%20%28geostatistician%29 | Margaret Armstrong is an Australian geostatistician, mathematical geoscientist, and textbook author. She works as an associate professor in the School of Applied Mathematics at the Fundação Getúlio Vargas in Brazil, and as a research associate in the Centre for Industrial Economics of Mines ParisTech in France.
Educat... |
https://en.wikipedia.org/wiki/Friedrich%20G%C3%B6tze | Friedrich Götze (born 6 August 1951 in Hameln) is a German mathematician, specializing in probability theory, mathematical statistics, and number theory.
Education and career
Götze studied mathematics and physics at the University of Göttingen and the University of Bonn by means of a scholarship from the Studienstift... |
https://en.wikipedia.org/wiki/Birch%27s%20law | Birch's law, discovered by the geophysicist Francis Birch, establishes a linear relation between compressional wave velocity and density of rocks and minerals:
where is the mean atomic mass in formula units and is an empirical function determined by experiment.
Example
The mean atomic mass of forsterite (Mg2SiO4)... |
https://en.wikipedia.org/wiki/Gabor%20Herman | Gabor Tamas Herman is a Hungarian-American professor of computer science. He is Emiritas Professor of Computer Science at The Graduate Center, City University of New York (CUNY) where he was Distinguished Professor until 2017. He is known for his work on computerized tomography. He is a fellow of the Institute of Elect... |
https://en.wikipedia.org/wiki/Neuromimetic%20intelligence | Neuromimetic intelligence, also referred to as computational neuroscience, is a system in which computational models methods apply underlying concepts of neural processes. The framework of this approach closely refers to the study of perception, action, learning, memory and cognition within Neuroscience.
Analyzing the... |
https://en.wikipedia.org/wiki/Fermi%20resonance | A Fermi resonance is the shifting of the energies and intensities of absorption bands in an infrared or Raman spectrum. It is a consequence of quantum-mechanical wavefunction mixing. The phenomenon was explained by the Italian physicist Enrico Fermi.
Selection rules and occurrence
Two conditions must be satisfied for... |
https://en.wikipedia.org/wiki/Metabiaugmented%20truncated%20dodecahedron | In geometry, the metabiaugmented truncated dodecahedron is one of the Johnson solids (). As its name suggests, it is created by attaching two pentagonal cupolas () onto two nonadjacent, nonparallel decagonal faces of a truncated dodecahedron.
External links
Johnson solids |
https://en.wikipedia.org/wiki/Koopman%E2%80%93von%20Neumann%20classical%20mechanics | The Koopman–von Neumann (KvN) theory is a description of classical mechanics as an operatorial theory similar to quantum mechanics, based on a Hilbert space of complex, square-integrable wavefunctions. As its name suggests, the KvN theory is loosely related to work by Bernard Koopman and John von Neumann in 1931 and 19... |
https://en.wikipedia.org/wiki/Ring%20%28diacritic%29 | A ring diacritic may appear above or below letters. It may be combined with some letters of the extended Latin alphabets in various contexts.
Rings
Distinct letter
The character Å (å) is derived from an A with a ring. It is a distinct letter in the Danish, Norwegian, Swedish, Finnish, Walloon, and Chamorro alphabets.... |
https://en.wikipedia.org/wiki/Exophilia | Exophilia is "a fetishism whose object is the sexuality of extraterrestrials." In other words, it is a desire for extraterrestrial, alien, or other non-human life forms. The term was coined by the writer Supervert in the 2001 book Extraterrestrial Sex Fetish. Because exophilia originated in a literary work, it is not a... |
https://en.wikipedia.org/wiki/Landauer%20formula | The Landauer formula—named after Rolf Landauer, who first suggested its prototype in 1957—is a formula relating the electrical resistance of a quantum conductor to the scattering properties of the conductor.
In the simplest case where the system only has two terminals, and the scattering matrix of the conductor does no... |
https://en.wikipedia.org/wiki/RA-1%20Enrico%20Fermi | RA-1 Enrico Fermi is a research reactor in Argentina. It was the first nuclear reactor to be built in that country and the first research reactor in the southern hemisphere.
Construction started April 1957, with first criticality 20 January 1958. It produced the first medical and industrial radioisotopes made in Argen... |
https://en.wikipedia.org/wiki/Complementarity-determining%20region | Complementarity-determining regions (CDRs) are part of the variable chains in immunoglobulins (antibodies) and T cell receptors, generated by B-cells and T-cells respectively, where these molecules bind to their specific antigen. A set of CDRs constitutes a paratope. As the most variable parts of the molecules, CDRs ar... |
https://en.wikipedia.org/wiki/Architecture%20for%20Control%20Networks | Architecture for Control Networks (ACN) is a suite of network protocols for control of entertainment technology equipment, particularly as used in live performance or large-scale installations. For example, lighting, audio or special effects equipment. ACN is maintained by Entertainment Services and Technology Associat... |
https://en.wikipedia.org/wiki/Midsphere | In geometry, the midsphere or intersphere of a convex polyhedron is a sphere which is tangent to every edge of the polyhedron. Not every polyhedron has a midsphere, but the uniform polyhedra, including the regular, quasiregular and semiregular polyhedra and their duals all have midspheres. The radius of the midsphere i... |
https://en.wikipedia.org/wiki/Emergenesis | In psychology, a trait (or phenotype) is called emergenic if it is the result of a specific combination of several interacting genes (rather than of a simple sum of several independent genes). Emergenic traits will not run in families, but identical twins will share them. Traits such as "leadership", "genius" or certai... |
https://en.wikipedia.org/wiki/Hope%20for%20Haiti%20Now | Hope for Haiti Now: A Global Benefit for Earthquake Relief was a charity telethon held on January 22, 2010, from 8 p.m. to 10 p.m. Eastern Standard Time (January 23, 2010 from 1 a.m. to 3 a.m. UTC). The telethon was the most widely distributed telethon in history. The event was broadcast from Studio 36 at CBS Televisio... |
https://en.wikipedia.org/wiki/Intelligence%3A%20Knowns%20and%20Unknowns | Intelligence: Knowns and Unknowns is a report issued in 1995 by a task force created by the Board of Scientific Affairs of the American Psychological Association (APA). It was subsequently published in the February 1996 issue of the peer-reviewed journal American Psychologist.
Background
The Board of Scientific Affai... |
https://en.wikipedia.org/wiki/Anococcygeal%20body | The anococcygeal body (anococcygeal ligament, or anococcygeal raphe) is a fibrous median raphe in the floor of the pelvis, which extends between the coccyx and the margin of the anus. It is composed of fibers of the levator ani muscle that unite with the muscle of the opposite side, muscle fibres from external anal sph... |
https://en.wikipedia.org/wiki/List%20of%20Sinclair%20QL%20software | This is a list of software titles produced for the Sinclair QL personal computer.
Notation: Program name (purpose), publisher, first release
Utilities
#
3D Precision, High-Precision Imaging System, Digital Precision
A
Abacus (Spreadsheet), Psion (Sinclair), 1984
APL Interpreter
ArcED, coWo
Archive (Database)... |
https://en.wikipedia.org/wiki/WolframAlpha | WolframAlpha ( ) is an answer engine developed by Wolfram Research. It answers factual queries by computing answers from externally sourced data.
WolframAlpha was released on May 18, 2009, and is based on Wolfram's earlier product Wolfram Mathematica, a technical computing platform. WolframAlpha gathers data from acad... |
https://en.wikipedia.org/wiki/Z/Architecture | z/Architecture, initially and briefly called ESA Modal Extensions (ESAME), is IBM's 64-bit complex instruction set computer (CISC) instruction set architecture, implemented by its mainframe computers. IBM introduced its first z/Architecture-based system, the z900, in late 2000. Later z/Architecture systems include the ... |
https://en.wikipedia.org/wiki/Myrcene | Myrcene, or β-myrcene, is a monoterpene. A colorless oil, it occurs widely in essential oils. It is produced mainly semi-synthetically from Myrcia, from which it gets its name. It is an intermediate in the production of several fragrances. α-Myrcene is the name for the isomer 2-methyl-6-methylene-1,7-octadiene, which ... |
https://en.wikipedia.org/wiki/Hirzebruch%E2%80%93Riemann%E2%80%93Roch%20theorem | In mathematics, the Hirzebruch–Riemann–Roch theorem, named after Friedrich Hirzebruch, Bernhard Riemann, and Gustav Roch, is Hirzebruch's 1954 result generalizing the classical Riemann–Roch theorem on Riemann surfaces to all complex algebraic varieties of higher dimensions. The result paved the way for the Grothendieck... |
https://en.wikipedia.org/wiki/Fagnano%27s%20problem | In geometry, Fagnano's problem is an optimization problem that was first stated by Giovanni Fagnano in 1775:
The solution is the orthic triangle, with vertices at the base points of the altitudes of the given triangle.
Solution
The orthic triangle, with vertices at the base points of the altitudes of the given triang... |
https://en.wikipedia.org/wiki/Glaeser%27s%20composition%20theorem | In mathematics, Glaeser's theorem, introduced by , is a theorem giving conditions for a smooth function to be a composition of F and θ for some given smooth function θ. One consequence is a generalization of Newton's theorem that every symmetric polynomial is a polynomial in the elementary symmetric polynomials, from ... |
https://en.wikipedia.org/wiki/Elastic%20and%20inelastic%20collisions%20apparatus | The elastic and inelastic collisions apparatus is a large apparatus to study elastic and inelastic collisions.
It consists of a large frame carrying two beams from which two rows of six and two wooden balls, respectively, are suspended from pairs of strings. The instrument was often used with two elastic balls (of ivo... |
https://en.wikipedia.org/wiki/Ground%20substance | Ground substance is an amorphous gel-like substance in the extracellular space of animals that contains all components of the extracellular matrix (ECM) except for fibrous materials such as collagen and elastin. Ground substance is active in the development, movement, and proliferation of tissues, as well as their meta... |
https://en.wikipedia.org/wiki/Capsule%20neural%20network | A capsule neural network (CapsNet) is a machine learning system that is a type of artificial neural network (ANN) that can be used to better model hierarchical relationships. The approach is an attempt to more closely mimic biological neural organization.
The idea is to add structures called "capsules" to a convolutio... |
https://en.wikipedia.org/wiki/Quantum%20register | In quantum computing, a quantum register is a system comprising multiple qubits. It is the quantum analogue of the classical processor register. Quantum computers perform calculations by manipulating qubits within a quantum register.
Definition
It is usually assumed that the register consists of qubits. It is also... |
https://en.wikipedia.org/wiki/Artur%20Jurand | Artur Jurand FRSE (20 March 1914 – 13 January 2000) was a Polish-born animal geneticist who did important work at the University of Edinburgh in the later 20th century. He anglicised his name to Arthur Jurand once settled in Scotland.
Life
He was born Artur Jurand on 30 March 1914 in Silesia (what is today part of Po... |
https://en.wikipedia.org/wiki/Journal%20of%20Genetics%20and%20Genomics | The Journal of Genetics and Genomics (sometimes abbreviated JGG) is a monthly peer-reviewed scientific journal covering the fields of genetics and genomics. It was established in 1974 as Acta Genetica Sinica, obtaining its current name in 2007. It is published by Elsevier and the editor-in-chief is Jianru Zuo (Institut... |
https://en.wikipedia.org/wiki/Schild%27s%20Ladder | Schild's Ladder is a 2002 science fiction novel by Australian author Greg Egan. The book derives its name from Schild's ladder, a construction in differential geometry, devised by the mathematician and physicist Alfred Schild.
Plot summary
Twenty-thousand years in the future, Cass, a humanoid physicist from Earth, tr... |
https://en.wikipedia.org/wiki/Advanced%20Matrix%20Extensions | Advanced Matrix Extensions (AMX), also known as Intel Advanced Matrix Extensions (Intel AMX), are extensions to the x86 instruction set architecture (ISA) for microprocessors from Intel designed to work on matrices to accelerate artificial intelligence (AI) / machine learning (ML) -related workloads.
Extensions
AMX wa... |
https://en.wikipedia.org/wiki/Hoffman%20graph | In the mathematical field of graph theory, the Hoffman graph is a 4-regular graph with 16 vertices and 32 edges discovered by Alan Hoffman. Published in 1963, it is cospectral to the hypercube graph Q4.
The Hoffman graph has many common properties with the hypercube Q4—both are Hamiltonian and have chromatic number 2... |
https://en.wikipedia.org/wiki/Autapomorphy | In phylogenetics, an autapomorphy is a distinctive feature, known as a derived trait, that is unique to a given taxon. That is, it is found only in one taxon, but not found in any others or outgroup taxa, not even those most closely related to the focal taxon (which may be a species, family or in general any clade). I... |
https://en.wikipedia.org/wiki/Operator%20monotone%20function | In linear algebra, the operator monotone function is an important type of real-valued function, fully classified by Charles Löwner in 1934. It is closely allied to the operator concave and operator concave functions, and is encountered in operator theory and in matrix theory, and led to the Löwner–Heinz inequality.
De... |
https://en.wikipedia.org/wiki/Tent%20map | In mathematics, the tent map with parameter μ is the real-valued function fμ defined by
the name being due to the tent-like shape of the graph of fμ. For the values of the parameter μ within 0 and 2, fμ maps the unit interval [0, 1] into itself, thus defining a discrete-time dynamical system on it (equivalently, a rec... |
https://en.wikipedia.org/wiki/Journal%20of%20Aging%20and%20Health | The Journal of Aging and Health (JAH) is a medical journal covering aging published by SAGE Publications. It covers research on gerontology, including diet/nutrition, prevention, behaviors, health service utilization, longevity, and mortality. The editor-in-chief is Kyriakos S. Markides.
Abstracting and indexing
The ... |
https://en.wikipedia.org/wiki/Aequationes%20Mathematicae | Aequationes Mathematicae is a mathematical journal. It is primarily devoted to functional equations, but also publishes papers in dynamical systems, combinatorics, and geometry. As well as publishing regular journal submissions on these topics, it also regularly reports on international symposia on functional equations... |
https://en.wikipedia.org/wiki/Inequalities%20in%20information%20theory | Inequalities are very important in the study of information theory. There are a number of different contexts in which these inequalities appear.
Entropic inequalities
Consider a tuple of finitely (or at most countably) supported random variables on the same probability space. There are 2n subsets, for which (join... |
https://en.wikipedia.org/wiki/Soddy%20line | The Soddy line of a triangle is the line that goes through the centers of the two Soddy circles of that triangle.
The Soddy line intersects the Euler line in the de Longchamps point and the Gergonne line in the Fletcher point. It is also perpendicular to the Gergonne line and together all three lines form the Euler-Ge... |
https://en.wikipedia.org/wiki/Unlisted%20number | In telephony, an unlisted number (United States, New Zealand), ex-directory number (United Kingdom) silent number, silent line (Australia), or private number (New Zealand, and Canada) is a telephone number that, for a fee, is intentionally not listed in telephone books. Although an unpublished number is not included i... |
https://en.wikipedia.org/wiki/Titi%20swamp | Titi swamp is a swamp habitat in Florida and Georgia where species of Cliftonia monophylla ("Buckwheat tree" or "Black titi") and/or Cyrilla racemiflora ("Ironwood" or "white titi") predominate. Titi swamps are characterized by their nutrient rich and wet soil that is ideal for the growth of Cliftonia monophylia and Cy... |
https://en.wikipedia.org/wiki/Aizik%20Volpert | Aizik Isaakovich Vol'pert () (5 June 1923 – January 2006) (the family name is also transliterated as Volpert or Wolpert) was a Soviet and Israeli mathematician and chemical engineer working in partial differential equations, functions of bounded variation and chemical kinetics.
Life and academic career
Vol'pert gradu... |
https://en.wikipedia.org/wiki/Hexagonal%20number | A hexagonal number is a figurate number. The nth hexagonal number hn is the number of distinct dots in a pattern of dots consisting of the outlines of regular hexagons with sides up to n dots, when the hexagons are overlaid so that they share one vertex.
The formula for the nth hexagonal number
The first few hexagona... |
https://en.wikipedia.org/wiki/Illumination%20%28image%29 | Illumination is an important concept in visual arts.
The illumination of the subject of a drawing or painting is a key element in creating an artistic piece, and the interplay of light and shadow is a valuable method in the artist's toolbox. The placement of the light sources can make a considerable difference in the ... |
https://en.wikipedia.org/wiki/Substitution%20matrix | In bioinformatics and evolutionary biology, a substitution matrix describes the frequency at which a character in a nucleotide sequence or a protein sequence changes to other character states over evolutionary time. The information is often in the form of log odds of finding two specific character states aligned and d... |
https://en.wikipedia.org/wiki/Mastoid%20foramen | The mastoid foramen is a hole in the posterior border of the temporal bone. It transmits an emissary vein between the sigmoid sinus and the suboccipital venous plexus, and a small branch of the occipital artery, the posterior meningeal artery to the dura mater.
Structure
The mastoid foramen is a hole in the posterior... |
https://en.wikipedia.org/wiki/United%20States%20Peace%20Index | The United States Peace Index (USPI) is a measurement of American States and cities by their peacefulness. Created by the Institute for Economics and Peace, the creators of the Global Peace Index, it is said to be the first in a series of National sub-divisions by their peacefulness. The USPI was created first due to p... |
https://en.wikipedia.org/wiki/Dozen | A dozen (commonly abbreviated doz or dz) is a grouping of twelve.
The dozen may be one of the earliest primitive integer groupings, perhaps because there are approximately a dozen cycles of the Moon, or months, in a cycle of the Sun, or year. Twelve is convenient because it has a maximal number of divisors among the n... |
https://en.wikipedia.org/wiki/Abdalodon | Abdalodon is an extinct genus of late Permian cynodonts, known by its only species A. diastematicus. Abdalodon together with the genus Charassognathus, form the clade Charassognathidae. This clade represents the earliest known cynodonts, and is the first known radiation of Permian cynodonts.
Abdalodon diastematicus i... |
https://en.wikipedia.org/wiki/Allium%20stellatum | Allium stellatum, commonly known as the autumn onion, prairie onion, cliff onion, or glade onion, is a North American species of wild onion in the Amaryllidaceae family that is native to central Canada and the central United States.
Description
Allium stellatum is a perennial forming a bulb underground. An erect, leaf... |
https://en.wikipedia.org/wiki/ZumoDrive | ZumoDrive is a defunct cloud-based file hosting service operated by Zecter, Inc. On December 22, 2010, Zecter announced its acquisition by Motorola Mobility. The service enabled users to store and sync files online, and also between computers using their HybridCloud storage solution; the latter functionality stopped wo... |
https://en.wikipedia.org/wiki/Nati%20Linial | Nathan (Nati) Linial (born 1953 in Haifa, Israel) is an Israeli mathematician and computer scientist, a professor in the Rachel and Selim Benin School of Computer Science and Engineering at the Hebrew University of Jerusalem, and an ISI highly cited researcher.
Linial did his undergraduate studies at the Technion, and... |
https://en.wikipedia.org/wiki/Nantucket%20Blob | The Nantucket Blob was a globster that washed ashore on Nantucket Island, Massachusetts, in November 1996. Analysis of samples in 2004 suggests that the Nantucket Blob was a large mass of adipose tissue from a whale. |
https://en.wikipedia.org/wiki/Donaldson%20theory | In mathematics, and especially gauge theory, Donaldson theory is the study of the topology of smooth 4-manifolds using moduli spaces of anti-self-dual instantons. It was started by Simon Donaldson (1983) who proved Donaldson's theorem restricting the possible quadratic forms on the second cohomology group of a compact ... |
https://en.wikipedia.org/wiki/Puncture%20resistance | Puncture resistance denotes the relative ability of a material or object to inhibit the intrusion of a foreign object. This is defined by a test method, regulation, or technical specification. It can be measured in several ways ranging from a slow controlled puncture to a rapid impact of a sharp object or a rounded ... |
https://en.wikipedia.org/wiki/Ligand%20%28biochemistry%29 | In biochemistry and pharmacology, a ligand is a substance that forms a complex with a biomolecule to serve a biological purpose. The etymology stems from Latin ligare, which means 'to bind'. In protein-ligand binding, the ligand is usually a molecule which produces a signal by binding to a site on a target protein. Th... |
https://en.wikipedia.org/wiki/Apache%20LDAP%20API | Apache LDAP API is an open source project of the Apache Software Foundation and a subproject of the Apache Directory. It's a replacement for outdated Java/LDAP libraries like (jLdap, Mozilla LDAP SDK and JNDI) and works with any LDAP server.
History
The Apache Directory project was started using the JNDI library, bu... |
https://en.wikipedia.org/wiki/Australopithecus | Australopithecus (, ; ) is a genus of early hominins that existed in Africa during the Pliocene and Early Pleistocene. The genera Homo (which includes modern humans), Paranthropus, and Kenyanthropus evolved from some Australopithecus species. Australopithecus is a member of the subtribe Australopithecina, which sometim... |
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