User:SDZeroBot/NPP sorting/STEM/Mathematics
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 | 35 unreviewed articles as of 31 May 2025
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| Created | Article | Extract | Class | Creator (# edits) | Notes |
|---|---|---|---|---|---|
| 2025-01-30 | Hadamard variation formula | In matrix theory, the Hadamard variation formula is a set of differential equations for how the eigenvalues of a time-varying Hermitian matrix with distinct eigenvalues change with time. | Stub | Cosmia Nebula (10193) | |
| 2024-12-04 | Weierstrass Nullstellensatz (Theorem in mathematics) | In mathematics, the Weierstrass Nullstellensatz is a version of the intermediate value theorem over a real closed field. It says: | Stub | TakuyaMurata (92306) | |
| 2024-12-08 | Two-proportion Z-test | The Two-proportion Z-test (or, Two-sample proportion Z-test) is a statistical method used to determine whether the difference between the proportions of two groups, coming from a binomial distribution is statistically significant. This approach relies on the assumption that the sample proportions follow a normal distribution under the Central Limit Theorem, allowing the construction of a z-test for hypothesis testing and confidence interval estimation. | C | Talgalili (3227) | |
| 2024-12-28 | Principal form of a polynomial | In mathematics and, more specifically, in theory of equations, the principal form of an irreducible polynomial of degree at least three is a polynomial of the same degree n without terms of degrees n−1 and n−2, such that each root of either polynomial is a rational function of a root of the other polynomial. | C | Reformbenediktiner (967) | |
| 2025-02-23 | Hartman–Watson distribution | The Hartman-Watson distribution is an absolutely continuous probability distribution which arises in the study of Brownian functionals. It is named after Philip Hartman and Geoffrey S. Watson, who encountered the distribution while studying the relationship between Brownian motion on the n-sphere and the von Mises distribution. | Start | Tensorproduct (1947) | |
| 2025-03-03 | Disappearance and killing of Emily Pike (2025 disappearance and death) | On February 14, 2025, the remains of 14-year old Emily Pike were found off Highway 60 in the state of Arizona; the death is being investigated as a homicide. | Start | LunaEclipse (11971) | |
| 2025-03-03 | Density topology (Wikimedia article stub) | In mathematics, the density topology on the real numbers is a topology on the real line that is different (strictly finer), but in some ways analogous, to the usual topology. It is sometimes used in real analysis to express or relate properties of the Lebesgue measure in topological terms. | Start | Gro-Tsen (852) | |
| 2025-04-05 | Simons cone | In geometry and geometric measure theory, the Simons cone refers to a specific minimal hypersurface in that plays a crucial role in resolving Bernstein's problem in higher dimensions. It is named after American mathematician Jim Simons. | Start | GregariousMadness (3899) | |
| 2025-04-04 | Minimal fibration | In mathematics, especially homotopy theory, a minimal fibration is used to approximate fibrations between presheaves. A minimal fibration has a defining proprety that an equivalence between them (in some sense) is an isomorphism. Thus, minimal fibrations can be used to study some coherence questions up to equivalences. | Stub | TakuyaMurata (92306) | |
| 2025-04-01 | Complex quaternion functions | The exp, sqrt, and log complex quaternion functions are treated and then applied to obtain the general Lorentz transformation and obtain a simple technique to represent it as a boost followed by a rotation or vice versa. What's treated is how to compute these functions, when they are defined, and what their multiplicities are. | C | DonaldWP (199) | |
| 2025-03-06 | Namioka's theorem | In functional analysis, Namioka's theorem is a result concerning the relationship between separate continuity and joint continuity of functions defined on product spaces. Named after mathematician Isaac Namioka, who proved it in his 1974 paper Separate Continuity and Joint Continuity published in the Pacific Journal of Mathematics, the theorem establishes conditions under which a separately continuous function must be jointly continuous on a topologically large subset of its domain. | Start | GregariousMadness (3899) | |
| 2025-02-22 | Deshouillers–Dress–Tenenbaum theorem | The Deshouillers–Dress–Tenenbaum theorem (or in short DDT theorem) is a result from probabilistic number theory, which describes the probability distribution of a divisor of a natural number within the interval , where the divisor is chosen uniformly. | Start | Tensorproduct (1947) | |
| 2025-03-10 | Discrimination ratio | In Six Sigma, the discrimination ratio or reliability design index is a performance metric of attribute agreement analysis which assesses the level of agreement between how well the appraisers or inspectors can differentiate between acceptable and unacceptable items. | Stub | GobsPint (2382) | |
| 2025-04-25 | Co- and contravariant model structure (Induced model structure on slice categories) | In higher category theory in mathematics, co- and contravariant model structures are special model structures on slice categories of the category of simplicial sets. On them, postcomposition and pullbacks (due to its application in algebraic geometry also known as base change) induce adjoint functors, which with the model structures can even become Quillen adjunctions. | B | Samuel Adrian Antz (2828) | |
| 2025-01-30 | Data product (data product is a reusable, active, and standardized data asset designed to deliver measurable value to its users) | In data management and product management, a data product is a reusable, active, and standardized data asset designed to deliver measurable value to its users, whether internal or external, by applying the rigorous principles of product thinking and management. | Start | Jgperrin (101) | |
| 2025-02-07 | Neyman–Scott process | The Neyman–Scott process is a stochastic model used to describe the formation of clustered point patterns. Originally developed for modeling galaxy distributions by J. Neyman and Elizabeth L. Scott in 1952, it provides a framework for understanding phenomena characterized by clustering. | Stub | 7804j (2774) | |
| 2024-12-20 | Extreme set | In mathematics, most commonly in convex geometry, an extreme set or face of a set in a vector space is a subset with the property that if for any two points some in-between point lies in , then we must have had . | Start | Rigmat (60) | |
| 2025-04-18 | Gwet's AC1 | Gwet's AC1 coefficient is a statistical measure used to assess inter-rater reliability (IRR) for categorical data. Developed by Dr. Kilem Li Gwet, it quantifies the degree of agreement between two or more raters beyond the level expected by chance. AC1 was specifically designed to address the limitations of traditional IRR measures like Cohen's kappa and Fleiss' kappa, particularly their sensitivity to trait prevalence and marginal distributions. | B | Sobesurfski (424) | |
| 2025-02-06 | Coalescence (statistics) | In statistics, coalescence refers to the merging of independent probability density functions. It contrasts with the simpler, erroneous approach called conflation. | Stub | Witger (1187) | |
| 2025-03-26 | Multivariate logistic regression | Multivariate logistic regression is a type of data analysis that predicts any number of outcomes based on multiple independent variables. It is based on the assumption that the natural logarithm of the odds has a linear relationship with independent variables. | C | Faster than Thunder (2205) | |
| 2025-04-22 | Subdivision (simplicial set) (Endofunctor on the category of simplicial sets) | In higher category theory in mathematics, the subdivision of simplicial sets (subdivision functor or Sd functor) is an endofunctor on the category of simplicial sets. It refines the structure of simplicial sets in a purely combinatorical way without changing constructions like the geometric realization. | C | Samuel Adrian Antz (2828) | |
| 2025-05-01 | Measure theory in topological vector spaces (Subject in mathematics) | In mathematics, measure theory in topological vector spaces refers to the extension of measure theory to topological vector spaces. Such spaces are often infinite-dimensional, but many results of classical measure theory are formulated for finite-dimensional spaces and cannot be directly transferred. | C | Tensorproduct (1947) | |
| 2025-03-26 | Bellezas Globales de Nicaragua (National beauty pageant in Nicaragua) | Bellezas Globales de Nicaragua is a national beauty pageant in Nicaragua that selects the representatives for Nicaragua to compete at Miss World, Miss International, Miss Supranational and Miss Cosmo. Previously the organization franchise the Miss World Nicaragua under Denis Dávila directorship however beginning 2025 the new directors are Amarilis Soza and Roberto Ñurinda. | Start | Mayanicaragua (4072) | |
| 2025-04-30 | Defense Office of Prepublication and Security Review | The Defense Office of Prepublication and Security Review (DOPSR) is a department of the United States Armed Forces with the Pentagon, under Washington Headquarters Services, that supports the review and authorized release of government materials from members and veterans of the military and the United States Intelligence Community, including reviews of classified and restricted information. | Start | Very Polite Person (5125) | |
| 2025-05-23 | Ho–Kashyap rule (Iterative method for finding a linear decision boundary) | The Ho–Kashyap algorithm is an iterative method in machine learning for finding a linear decision boundary that separates two linearly separable classes. It was developed by Yu-Chi Ho and Rangasami L. Kashyap in 1965, and usually presented as a problem in linear programming. | C | Cosmia Nebula (10193) | |
| 2025-05-02 | Uniform distribution on a Stiefel manifold | The uniform distribution on a Stiefel manifold is a matrix-variate distribution that plays an important role in multivariate statistics. There one often encounters integrals over the orthogonal group or over the Stiefel manifold with respect to an invariant measure. | Start | Tensorproduct (1947) | |
| 2024-11-21 | Context-free language reachability (Algorithmic problem with applications to program analysis) | Context-free language reachability is an algorithmic problem with applications in static program analysis. Given a graph with edge labels from some alphabet and a context-free grammar over that alphabet, the problem is to determine whether there exists a path through the graph such that the concatenation of the labels along the path is a string accepted by the grammar. | C | Siddharthist (1873) | |
| 2025-05-21 | Tom Petrie (journalist) (British journalist) | Tom Petrie (10 December 1938 – 10 March 2023) was a British journalist who served as news editor of The Sun from 1980 to 1992. | Start | RJ Harberts (43) | |
| 2025-05-20 | Tangled nature model | The tangled nature model is a model of evolutionary ecology developed by Christensen, Di Collobiano, Hall and Jensen. It is an agent-based model where individual 'organisms' interact, reproduce, mutate and die across many generations. A notable feature of the model is punctuated equilibrium, abrupt and spontaneous transitions between long lived stable states. | C | WikiNukalito (209) | |
| 2024-12-27 | Myerson value | The Myerson value is a solution concept in cooperative game theory. It is a generalization of the Shapley value to communication games on networks. The solution concept and the class of cooperative communication games it applies to was introduced by Roger Myerson in 1977. | C | JoaoFrancisco1812 (193) | |
| 2025-04-13 | Meta-Labeling (Machine learning overlay technique for position sizing and trade filtering) | Meta-labeling, also known as corrective AI, is a machine learning (ML) technique utilized in quantitative finance to enhance the performance of investment and trading strategies, developed in 2017 by Marcos López de Prado at Guggenheim Partners and Cornell University. | C | Dsr02014 (33) | |
| 2025-05-20 | Savage's subjective expected utility model | In decision theory, Savage's subjective expected utility model (also known as Savage's framework, Savage's axioms, or Savage's representation theorem) is a formalization of subjective expected utility (SEU) developed by Leonard J. Savage in his 1954 book The Foundations of Statistics, based on previous work by Ramsey, von Neumann and de Finetti. | C | JoaoFrancisco1812 (193) | |
| 2024-11-12 | Global Sensitivity Analysis. The Primer (Book published in 2007) | Global Sensitivity Analysis. The Primer by Andrea Saltelli and other practitioners is an introduction to sensitivity analysis of model output, a discipline that studies how the uncertainty in model input and model assumptions propagates to model output and model-based inference. | GA | Gipsywriting (201) | |
| 2025-05-28 | Anscombe-Aumann subjective expected utility model | In decision theory, the Anscombe-Aumann subjective expected utility model (also known as Anscombe-Aumann framework, Anscombe-Aumann approach, or Anscombe-Aumann representation theorem) is a framework to formalizing subjective expected utility (SEU) developed by Frank Anscombe and Robert Aumann. | Start | JoaoFrancisco1812 (193) | |
| 2025-05-27 | I Wayan Pandu Prapanca Lagosa (Indonesian politican, 5th Vice Regent of Karangasem since 2025) | I Wayan Pandu Prapanca Lagosa (Balinese: ᬇᬯᬬᬦ᭄ᬧᬦ᭄ᬤᬸᬧ᭄ᬭᬧᬜ᭄ᬘᬮᬕᭀᬲ; born 16 February 2025), known as Guru Pandu, is an Indonesian politician. He was inaugurated as vice regent of Karangasem on February 2025 accompanying I Gusti Putu Parwata as regent of Karangasem after winning the 2024 Karangasem regency election. | Stub | Indonesianinfo2 (1710) |
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Last updated by SDZeroBot operator / talk at 01:27, 31 May 2025 (UTC)