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Noise measurement Summary Noise_measurement In acoustics, noise measurement can be for the purpose of measuring environmental noise or measuring noise in the workplace. Applications include monitoring of construction sites, aircraft noise, road traffic noise, entertainment venues and neighborhood noise. One of the defi... |
Click tracking Methods of click tracking Click_tracking > Methods of click tracking This helps with determining patterns in the users’ navigational behaviors. Some features that can be observed include how long users viewed pages for, click path lengths, and the number of clicks. |
Receptacle tester History Receptacle_tester > History An early reference that describes the typical outlet tester circuit was published in Popular Mechanics in the March issue of 1967, and consists of two 27 kΩ resistors, one 100 kΩ resistor, and three NE-51 neon lamp bulbs with 100 kΩ resistors. |
Selenium(IV) oxychloride Preparation and reactions Selenium(IV)_oxychloride > Preparation and reactions Selenium oxydichloride can be prepared by several methods, and a common one involves the conversion of selenium dioxide to dichloroselenious acid followed by dehydration: SeO2 + 2 HCl → Se(OH)2Cl2 Se(OH)2Cl2 → SeOCl2... |
Squared error loss Quadratic loss function Loss_functions > Example > Quadratic loss function This is also known as the squared error loss (SEL).Many common statistics, including t-tests, regression models, design of experiments, and much else, use least squares methods applied using linear regression theory, which is ... |
Earle–Hamilton fixed-point theorem Proof Earle–Hamilton_fixed_point_theorem > Proof The Carathéodory metric is defined by d ( x , y ) = inf γ ( 0 ) = x , γ ( 1 ) = y ℓ ( γ ) {\displaystyle \displaystyle {d(x,y)=\inf _{\gamma (0)=x,\gamma (1)=y}\ell (\gamma )}} for x and y in D. It is a continuous function on D x D for ... |
Anti–computer forensics Attacks against computer forensics Anti–computer_forensics > Attacks against computer forensics Hashes are created by the forensic examination software to verify the integrity of the image. One of the recent anti-tool techniques targets the integrity of the hash that is created to verify the ima... |
Base of lung Obstructive lung diseases Oblique_fissure > Clinical significance > Obstructive lung diseases Asthma, bronchiectasis, and chronic obstructive pulmonary disease (COPD) that includes chronic bronchitis, and emphysema, are all obstructive lung diseases characterised by airway obstruction. This limits the amou... |
Human overpopulation Resource depletion Human_overpopulation > Proposed impacts > Resource depletion Some commentary has attributed depletion of non-renewable resources, such as land, food and water, to overpopulation and suggested it could lead to a diminished quality of human life. Ecologist David Pimentel was one su... |
Corecursion Factorial Corecursion > Examples > Factorial This may be concretely implemented as a generator. Symbolically, noting that computing next factorial value requires keeping track of both n and f (a previous factorial value), this can be represented as: n , f = ( 0 , 1 ): ( n + 1 , f × ( n + 1 ) ) {\displaystyl... |
Navier–Stokes existence and smoothness The Navier–Stokes equations Navier–Stokes_existence_and_smoothness > The Navier–Stokes equations One way to understand the nonlinearity of the Navier–Stokes equations is to consider the term (v · ∇)v in the equations. This term represents the acceleration of the fluid, and it is a... |
Gear Cube Variations Gear_Cube > Variations A common issue while solving this cube is having the entire puzzle complete except for the newly added stickers being mismatched with different sides.Even Less Gears: The only 3x3 type of Gear Cube with a total of four gears. It takes another four gears out and replaces them ... |
Per Enflo Grothendieck's formulation of the approximation problem Per_Enflo > Enflo's contributions to functional analysis and operator theory > The basis problem and Mazur's goose > Grothendieck's formulation of the approximation problem Grothendieck's work on the theory of Banach spaces and continuous linear operator... |
Truth function Table of binary truth functions Truth-functional_logic > Table of binary truth functions In two-valued logic, there are sixteen possible truth functions, also called Boolean functions, of two inputs P and Q. Any of these functions corresponds to a truth table of a certain logical connective in classical ... |
Inverted list Applications Inverted_index > Applications With the inverted index created, the query can be resolved by jumping to the word ID (via random access) in the inverted index. In pre-computer times, concordances to important books were manually assembled. These were effectively inverted indexes with a small am... |
Stevens's power law Criticisms Stevens's_power_law > Criticisms Consistent with this, Luce (1990, p. 73) observed that "by introducing contexts such as background noise in loudness judgements, the shape of the magnitude estimation functions certainly deviates sharply from a power function". Indeed, nearly all sensory j... |
Enzyme Dynamics Enzyme > Mechanism > Dynamics Enzymes are not rigid, static structures; instead they have complex internal dynamic motions – that is, movements of parts of the enzyme's structure such as individual amino acid residues, groups of residues forming a protein loop or unit of secondary structure, or even an ... |
Luneburg method Refraction Luneburg_method > Refraction This phenomenon is called total internal reflection and allows for fiber optics technology. As light signals travel down a fiber optic cable, they undergo total internal reflection allowing for essentially no light lost over the length of the cable. It is also pos... |
Obesity hypoventilation syndrome Diagnosis Obesity_hypoventilation_syndrome > Diagnosis If this is elevated (27 mmol/L or higher), blood gasses should be measured.To distinguish various subtypes, polysomnography is required. This usually requires brief admission to a hospital with a specialized sleep medicine departmen... |
Brewer's yeast Differences from fission yeast Brewer's_yeast > Biology > Cell cycle > Cytokinesis > Differences from fission yeast Budding yeast form a bud from the mother cell. This bud grows during the cell cycle and detaches; fission yeast divide by forming a cell wall Cytokinesis begins at G1 for budding yeast, whi... |
Theoretical computer scientist Programming language theory and program semantics Theoretical_computer_scientist > Topics > Programming language theory and program semantics Programming language theory is a branch of computer science that deals with the design, implementation, analysis, characterization, and classificat... |
Atomic orbitals Shapes of orbitals Atomic_orbitals > Shapes of orbitals Additionally, as is the case with the s orbitals, individual p, d, f and g orbitals with n values higher than the lowest possible value, exhibit an additional radial node structure which is reminiscent of harmonic waves of the same type, as compare... |
Cell mechanics Animal Cell_mechanics > Eukaryotic > Animal Furthermore, actin filaments have the ability to be assembled and disassembled quickly, allowing them to take part in cell mobility.On the other hand, intermediate filaments are more permanent structures with a diameter of 8 to 10 nm. Composed of numerous fibro... |
Lumped parameters Newton's law of cooling Lumped_element > Thermal systems > Method > Newton's law of cooling Newton's law of cooling is an empirical relationship attributed to English physicist Sir Isaac Newton (1642–1727). This law stated in non-mathematical form is the following: The rate of heat loss of a body is p... |
Aerodynamically unstable Early aircraft Aerodynamically_unstable > Early aircraft Early attempts at heavier-than-air flight were marked by a differing concept of stability from that used today. Most aeronautical investigators regarded flight as if it were not so different from surface locomotion, except the surface was... |
Augmented learning Is augmentation really "learning"? Augmented_learning > Is augmentation really "learning"? It is proven by studies that AR can improve student understanding of complex or invisible structures. AR and VR are capable of introducing children to new concepts in fun and encouraging ways that they cannot g... |
Coronary insufficiency Acute coronary syndrome Ischaemic_heart_disease > Diagnosis > Acute coronary syndrome If there is no evidence of damage, the term "unstable angina" is used. This process usually necessitates hospital admission and close observation on a coronary care unit for possible complications (such as cardi... |
Lactate shuttle Intracellular role of the lactate shuttle Lactate_shuttle_hypothesis > Intracellular role of the lactate shuttle The lactate shuttle hypothesis also explains the balance of lactate production in the cytosol, via glycolysis or glycogenolysis, and lactate oxidation in the mitochondria (described below). |
Ritz method Applications in mechanical engineering Ritz_method > Applications in mechanical engineering Consider the case whereby we want to find the resonant frequency of oscillation of a system. First, write the oscillation in the form, with an unknown mode shape Y ( x ) {\displaystyle Y(x)} . Next, find the total en... |
Broadbent's filter model of attention Capacity model of attention Broadbent's_filter_model_of_attention > Attention > Capacity model of attention Daniel Kahneman took a different approach to describing attention, by describing its division, rather than selection mechanisms. He describes attention as a resource in which... |
Airy wave theory Description Airy_wave_theory > Description Surface gravity waves on a fluid are dispersive waves – exhibiting frequency dispersion – meaning that each wavenumber has its own frequency and phase speed. Note that in engineering the wave height H – the difference in elevation between crest and trough – is... |
Discovery and development of gastrointestinal lipase inhibitors Drug target Discovery_and_development_of_gastrointestinal_lipase_inhibitors > Drug target Lipases in the gastrointestinal tract play a critical role in fat digestion. More than 95% of fat in food consists of triglycerides, which are categorized based on th... |
Magnetic moments Magnetic moment of an atom Magnetic_moments > Atoms, molecules, and elementary particles > Magnetic moment of an atom For an atom, individual electron spins are added to get a total spin, and individual orbital angular momenta are added to get a total orbital angular momentum. These two then are added ... |
Lean startup Split testing Lean_startup > Principles > Split testing A split or A/B test is an experiment in which "different versions of a product are offered to customers at the same time." The goal of a split test is to observe differences in behavior between the two groups and to measure the impact of each version ... |
Caspase activation and recruitment domain IL-1 and IL-18 processing Caspase_activation_and_recruitment_domain > In the mammalian immune response > IL-1 and IL-18 processing A number of CARDs have been shown to play a role in regulating inflammation in response to bacterial and viral pathogens as well as to a variety of... |
Insect morphology Nervous system Caudal_filament > Internal > Nervous system The nervous system of an insect can be divided into a brain and a ventral nerve cord. The head capsule is made up of six fused segments, each with a pair of ganglia, or a cluster of nerve cells outside of the brain. The first three pairs of ga... |
Abstraction (computer science) Considerations Data_abstraction > Considerations For instance, students in a class may be abstracted by their minimal and maximal ages; if one asks whether a certain person belongs to that class, one may simply compare that person's age with the minimal and maximal ages; if his age lies o... |
Three-way handshake Development TCP_port > Development Among this list is RFC 2581, TCP Congestion Control, one of the most important TCP-related RFCs in recent years, describes updated algorithms that avoid undue congestion. In 2001, RFC 3168 was written to describe Explicit Congestion Notification (ECN), a congestion... |
Modulation Transfer Function The OTF of an ideal lens system Optical_Transfer_Function > Examples > The OTF of an ideal lens system A perfect lens system will provide a high contrast projection without shifting the periodic pattern, hence the optical transfer function is identical to the modulation transfer function. T... |
Lie group action Examples Quotient_manifold > Examples For every Lie group G, the following are Lie group actions: the trivial action of G on any manifold the action of G on itself by left multiplication, right multiplication or conjugation the action of any Lie subgroup H ⊆ G {\displaystyle H\subseteq G} on G by left ... |
Ice-type model Physical justification Six-vertex_model > Physical justification Several real crystals with hydrogen bonds satisfy the ice model, including ice and potassium dihydrogen phosphate KH2PO4 (KDP). Indeed, such crystals motivated the study of ice-type models. In ice, each oxygen atom is connected by a bond to... |
Malaria Vaccine RTS,S Malaria_Vaccine > Approved vaccines > RTS,S The CSP antigen causes the production of antibodies capable of preventing the invasion of hepatocytes and also elicits a cellular response enabling the destruction of infected hepatocytes. The CSP vaccine presented problems in the trial stage due to its ... |
Air handling Hot (heat A.K.A furnace) and cold (air conditioning) elements Air_handling > Components > Hot (heat A.K.A furnace) and cold (air conditioning) elements The hot water or steam is provided by a central boiler, and the chilled water is provided by a central chiller. Downstream temperature sensors are typicall... |
Coronal radiative losses Processes of radiation of the solar corona Coronal_radiative_losses > Processes of radiation of the solar corona Particles are so isolated that almost all the photons can leave the Sun's surface without interacting with the matter above the photosphere: in other words, the corona is transparent... |
Topology of compact convergence Summary Topology_of_compact_convergence In mathematics compact convergence (or uniform convergence on compact sets) is a type of convergence that generalizes the idea of uniform convergence. It is associated with the compact-open topology. |
SQL syntax Null or three-valued logic (3VL) SQL_syntax > Queries > Null or three-valued logic (3VL) Consequently, these set operations in SQL may produce results not representing sure information, unlike operations involving explicit comparisons with NULL (e.g. those in a WHERE clause discussed above). In Codd's 1979 p... |
Medoid Medoids in high dimensions Medoid > Medoids in high dimensions Spectral clustering achieves a more appropriate analysis by reducing the dimensionality of then data using principle component analysis, projecting the data points into the lower dimensional subspace, and then running the chosen clustering algorithm ... |
Ring of Fire Earthquakes Ring_of_Fire > Very large events > Earthquakes About 90% of the world's earthquakes and 81% of the world's largest earthquakes occur along the Ring of Fire. The next most seismically active region (5–6% of earthquakes and 17% of the world's largest earthquakes) is the Alpide belt, which extends... |
Capacitive sensing Summary Capacitive_sensor In electrical engineering, capacitive sensing (sometimes capacitance sensing) is a technology, based on capacitive coupling, that can detect and measure anything that is conductive or has a dielectric constant different from air. Many types of sensors use capacitive sensing,... |
Lennard-Jones fluid Summary Lennard-Jones_fluid Hence, the Lennard-Jones potential describes electronically neutral atoms or molecules. The commonly used expression for the Lennard-Jones potential is where r is the distance between two interacting particles, ε is the depth of the potential well (usually referred to as ... |
Auditory moving-window Technical details Auditory_moving-window > Technical details This DT is the variable of interest.Analytical logicThe auditory moving-window is roughly analogous to an eye tracking task presented in the auditory modality. The eye tracking variable of interest that is thought to be closest to the D... |
Spastic paraplegia Pathophysiology Spastic_paraplegia > Pathophysiology The major feature of HSP is a length-dependent axonal degeneration. These include the crossed and uncrossed corticospinal tracts to the legs and fasciculus gracilis. The spinocerebellar tract is involved to a lesser extent. Neuronal cell bodies of ... |
Computational Intelligence Summary Computer_intelligence The expression computational intelligence (CI) usually refers to the ability of a computer to learn a specific task from data or experimental observation. Even though it is commonly considered a synonym of soft computing, there is still no commonly accepted defin... |
Plasmodium falciparum Immune response Subtelomeric_regions_of_the_Plasmodium_falciparum_genome > Interaction with human immune system > Immune response The mast cells then produce signaling molecules such as TNFα and MIP-2, which activate cell eaters (professional phagocytes) such as neutrophils and macrophages.Only a ... |
Relativity theory Tests of general relativity Theory_of_Relativity > Experimental evidence > Tests of general relativity General relativity has also been confirmed many times, the classic experiments being the perihelion precession of Mercury's orbit, the deflection of light by the Sun, and the gravitational redshift o... |
SurE, survival protein E Function SurE,_survival_protein_E > Function The C-terminal domain is important mainly for maintaining the oligomeric state of the protein, SurE. The N-terminal domain is thought to be part of the functional domain. Since the SurE is a phosphatase enzyme it removes a phosphate group from a subs... |
Flood forecasting Summary Flood_forecasting However, physically-based models are state-dependent and require accurate initial conditions for optimal performance. During the so-called "warming period" of the model, the performance might be lower due to the reliance on initial conditions. |
K·p perturbation theory Effective mass K.p_method > Background and derivation > Expression for a nondegenerate band > Effective mass A useful approximation for the matrix elements in direct gap semiconductors is: 2 E g m 2 ∑ m , n | ⟨ u c , 0 | p ℓ | u n , 0 ⟩ | | ⟨ u c , 0 | p m | u n , 0 ⟩ | ≈ 20 e V 1 m E g , {\disp... |
Stress force Cauchy tensor Stress_path > Cauchy tensor The components of the Cauchy stress tensor at every point in a material satisfy the equilibrium equations (Cauchy's equations of motion for zero acceleration). Moreover, the principle of conservation of angular momentum implies that the stress tensor is symmetric, ... |
Sheet resistance General references Surface_resistivity > References > General references Introduction to Microelectronic Fabrication (2nd ed.). New Jersey: Prentice Hall. pp. |
Back annotation Inheritance Back_annotation > Hierarchy > Inheritance Another concept often used in netlists is that of inheritance. Suppose a definition of a capacitor has an associated attribute called "Capacitance", corresponding to the physical property of the same name, with a default value of "100 pF" (100 picofa... |
Quantum clustering Quantum Evolution, Non-Local Gradient Descent, and Tunneling Quantum_clustering > Dynamic Quantum Clustering > Quantum Evolution, Non-Local Gradient Descent, and Tunneling Whereas tuning of sigma is integral to understanding any new data set, both time step and mass can usually be left at reasonable ... |
Photo-multiplier tube Photoelectric effect Electrostatic_photomultiplier > History > Photoelectric effect Historically, the photoelectric effect is associated with Albert Einstein, who relied upon the phenomenon to establish the fundamental principle of quantum mechanics in 1905, an accomplishment for which Einstein re... |
Thermic fluid heater Summary Thermic_fluid_heater A thermic fluid heater is industrial heating equipment, used where only heat transfers are desired instead of pressure. In this equipment, a thermic fluid is circulated in the entire system for heat transfers to the desired processes. Combustion process heats up the the... |
Kernel Patch Protection Summary Kernel_Patch_Protection Because of this, Kernel Patch Protection resulted in antivirus makers having to redesign their software without using kernel patching techniques. However, because of the design of the Windows kernel, Kernel Patch Protection cannot completely prevent kernel patchin... |
Deep convolutional neural network Image recognition Max_pooling > Applications > Image recognition In the ILSVRC 2014, a large-scale visual recognition challenge, almost every highly ranked team used CNN as their basic framework. The winner GoogLeNet (the foundation of DeepDream) increased the mean average precision of... |
Propositional dynamic logic Test Propositional_dynamic_logic > Test acts as a NOP, changing nothing while allowing the action to move on. When p {\displaystyle p\,\!} is false, p ? |
In situ bioremediation Hydrocarbon Degradation In_situ_bioremediation > Uses of In situ bioremediation > Hydrocarbon Degradation The metabolic mode of hydrocarbon remediation is primarily aerobic. The end products of the remediation for hydrocarbons are Carbon Dioxide and water. Hydrocarbons vary in ease of degradation... |
Crime Contagion Models Summary Crime_Contagion_Models Crime Contagion Model relates to the idea, whether crime is contagious. Contagion models predict a positive relationship between neighborhood violent crime rates and the propensity of MTO (Moving to Opportunity) participants to engage in violent crime. The notion of... |
Multi-configurational self-consistent field Restricted active space SCF Multi-configurational_self-consistent_field > Restricted active space SCF Since the number of CSFs quickly increases with the number of active orbitals, along with the computational cost, it may be desirable to use a smaller set of CSFs. One way to... |
Trojan wave packet Beyond single electron wave packets Trojan_wave_packet > Concepts and research > Beyond single electron wave packets The stability is maintained over a broad spectrum, and because of this, the configuration of two electron wave packets is considered to be truly nondispersive. For example, with the qu... |
Inhomogeneous ordinary differential equation Lie's theory First-order_differential_equation > Theories > Lie's theory The theory has applications to both ordinary and partial differential equations.A general solution approach uses the symmetry property of differential equations, the continuous infinitesimal transformat... |
Habituation Debate about learning-status Habituation > Debate about learning-status The opposition to the considering habituation a form of learning was also based on the assumption that learning processes must produce novel behavioral responses and must occur in the cerebral cortex. Non-associative forms of learning s... |
Mitochondrial genes Genetic illness Mitochondrial_genes > Mutations and disease > Genetic illness Mutations of mitochondrial DNA can lead to a number of illnesses including exercise intolerance and Kearns–Sayre syndrome (KSS), which causes a person to lose full function of heart, eye, and muscle movements. Some evidenc... |
Microfilament protein Cell movement G_actin > Function > Cell movement Actin is also involved in cell movement. A meshwork of actin filaments marks the forward edge of a moving cell, and the polymerization of new actin filaments pushes the cell membrane forward in protrusions called lamellipodia. These membrane protrus... |
Recurrent evolution Summary Recurrent_evolution These patterns are of particular interest to evolutionary biologists, as they can demonstrate the underlying forces governing evolution. Recurrent evolution is a broad term, but it is usually used to describe recurring regimes of selection within or across lineages. While... |
KTHNY theory Renormalization of elasticity KTHNY_theory > Main idea > Renormalization of elasticity If additional (virtual) dislocations are present, the crystal will get additionally softer. If the crystal is additionally softer, the fugacity will increase further... and so on and so forth. David Nelson, Bertrand Halp... |
Write once, compile anywhere Development of high-level programming languages Write_once,_compile_anywhere > Development of high-level programming languages To combat these problems, various high-level languages were developed that were usable for general purpose application program development, but could be used to pro... |
Tree puzzle Summary Tree-Puzzle TREE-PUZZLE is a computer program used to construct phylogenetic trees from sequence data by maximum likelihood analysis. Branch lengths can be calculated with and without the molecular clock hypothesis. The software also implemented likelihood mapping, a method to visualize phylogenetic... |
For (command) Script syntax For_loop > Timeline of the for-loop syntax in various programming languages > 1995: CFML > Script syntax Simple index loop: Using an array: Using a list of string values: The above list example is only available in the dialect of CFML used by Lucee and Railo. |
Matrix protocol Summary Matrix_protocol Matrix (sometimes stylized as ) is an open standard and communication protocol for real-time communication. It aims to make real-time communication work seamlessly between different service providers, in the way that standard Simple Mail Transfer Protocol email currently does for... |
Bonding in solids Molecular to network covalent Bonding_in_solids > Solids of intermediate kinds > Molecular to network covalent Materials can be intermediate between molecular and network covalent solids either because of the intermediate organization of their covalent bonds, or because the bonds themselves are of an ... |
Connected graph Components and cuts 4-connected_graph > Components and cuts A vertex cut or separating set of a connected graph G is a set of vertices whose removal renders G disconnected. The vertex connectivity κ(G) (where G is not a complete graph) is the size of a minimal vertex cut. A graph is called k-vertex-conn... |
Turing-computable function Alan Turing's a-machine Universal_computer > History > Alan Turing's a-machine The development of these ideas leads to the author's definition of a computable function, and to an identification of computability with effective calculability. It is not difficult, though somewhat laborious, to p... |
Serotonin toxicity Causes Serotonin_toxicity > Causes It can take at least four weeks for this enzyme to be replaced by the body in the instance of irreversible inhibitors. With respect to tricyclic antidepressants, only clomipramine and imipramine have a risk of causing SS.Many medications may have been incorrectly th... |
Stack register Stack registers in x86 Stack_pointer > Stack registers in x86 Usually, the running program pushes registers to the stack to make use of the registers for other purposes, like to call a routine that may change the current values of registers. To restore the values stored at the stack, the program shall co... |
Trend estimation Data as trend plus noise Linear_trend_estimation > Data as trend plus noise From the above discussion of trends in random data with known variance, we know the distribution of calculated trends to be expected from random (trendless) data. If the estimated trend, a ^ {\displaystyle {\hat {a}}} , is larg... |
Allergic response Mechanism Allergic_response > Mechanism Allergies are an abnormal immune reaction. The human immune system is designed to protect the body from potential harm and in people who have allergies the immune system will react to allergens (substances that trigger an immune response). The immune system will... |
Homeodomain proteins Regulation Homeodomain_fold > Regulation Hox genes and their associated microRNAs are highly conserved developmental master regulators with tight tissue-specific, spatiotemporal control. These genes are known to be dysregulated in several cancers and are often controlled by DNA methylation. The reg... |
Rigid body kinetics Force-torque equations Rigid_body_kinetics > Rigid body in three dimensions > Force-torque equations Using the center of mass and inertia matrix, the force and torque equations for a single rigid body take the form and are known as Newton's second law of motion for a rigid body. The dynamics of an i... |
Gödel's constructible universe Relative constructibility Set-theoretic_constructibility > Relative constructibility Otherwise, the axiom of choice will fail in L ( A ) {\displaystyle L(A)} . A common example is L ( R ) {\displaystyle L(\mathbb {R} )} , the smallest model that contains all the real numbers, which is use... |
Comparison of object–relational database management systems Summary Comparison_of_object–relational_database_management_systems This is a comparison of object–relational database management systems (ORDBMSs). Each system has at least some features of an object–relational database; they vary widely in their completeness... |
Johann Bernoulli Works Johann_Bernoulli > Works Recherches physiques et géométriques sur la question comment se fait la propagation de la lumière (in French). Paris. Imprimerie Royale. |
Eigencurve Summary Eigencurve In number theory, an eigencurve is a rigid analytic curve that parametrizes certain p-adic families of modular forms, and an eigenvariety is a higher-dimensional generalization of this. Eigencurves were introduced by Coleman and Mazur (1998), and the term "eigenvariety" seems to have been ... |
Self oscillation History of the subject Self-exciting_oscillation > History of the subject The study of self-oscillators dates back to Robert Willis, George Biddell Airy, James Clerk Maxwell, and Lord Rayleigh in the 19th century. The term itself (also translated as "auto-oscillation") was coined by the Soviet physicis... |
Alain Badiou Mathematics as ontology Alain_Badiou > Being and Event > Mathematics as ontology When these things appear in Badiou's texts it is always allusively, with fragments of symbolism detached from the context that endows them with sense, and often with free variables and bound variables colliding randomly. No pr... |
Ancient languages Summary Ancient_languages An ancient language is any language originating in times that may be referred to as ancient. There are no formal criteria for deeming a language ancient, but a traditional convention is to demarcate as "ancient" those languages that existed prior to the 5th century. Linguist ... |
Marine habitat Overview Marine_environment > Overview The presence of seawater is common to all marine habitats. Beyond that many other things determine whether a marine area makes a good habitat and the type of habitat it makes. For example: temperature – is affected by geographical latitude, ocean currents, weather, ... |
Glossary of civil engineering K Glossary_of_civil_engineering > K Kalman filter kelvin kinematics Kirchhoff's circuit laws Kirchhoff's equations |
History of scientific method Ibn al-Haytham History_of_scientific_method > Emergence of inductive experimental method > Ibn al-Haytham He also demonstrated the conjecture by placing a straight stick or a taut thread next to the light beam.Ibn al-Haytham also employed scientific skepticism and emphasized the role of emp... |
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