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- ...proved by {{harvs|txt|first=Peter|last=Hilton|authorlink=Peter Hilton|year=1955}}, states that the [[loop space]] of a wedge of spheres is [[homotopy equi One version of the Hilton-Milnor theorem states that there is a homotopy-equiva ...3 KB (423 words) - 08:42, 27 December 2024
- {{Short description|Formula for the bearing capacity of a driven pile}} '''The Danish pile-driving formula''' is a formula which enables one to have a good gauge of the bearing capacity of a driven pile. ...2 KB (305 words) - 13:59, 8 January 2024
- {{short description|Formula for a liquid's heat of vaporization as a function of temperature}} In [[thermodynamics]], the '''Shimansky equation''' describes the [[temperatur ...3 KB (407 words) - 12:24, 17 July 2023
- ...variables. Its name comes from the operation called [[plethysm]], defined in the context of so-called [[lambda ring]]s. ...Society|language=en|volume=78|issue=2|pages=445–463|doi=10.1090/S0002-9947-1955-0068198-2|issn=0002-9947|doi-access=free}}</ref> ...7 KB (1,077 words) - 08:38, 26 February 2025
- {{Short description|Mathematical theorem, used in calculus}} ...n antiderivative of {{nowrap|<math>f</math>.}} This formula was published in 1905 by [[Charles-Ange Laisant]].<ref name=Laisant>{{cite journal|last=Lais ...10 KB (1,620 words) - 23:03, 14 November 2024
- ...t reduction''' is the process of deriving from a [[Sight (device)|sight]] (in celestial navigation usually obtained using a [[sextant]]) the information ...:MarcqSaintHilaire.en.jpg|thumb|Using {{mvar|Ho}}, {{mvar|Z}}, {{mvar|Hc}} in intercept method.]] ...12 KB (1,693 words) - 11:00, 17 January 2025
- {{Short description|1955 mathematics book by Constance Reid}} ...ngmaster}} [[A K Peters]] published a fifth "Fiftieth anniversary edition" in 2006.{{r|belle|godshall|hoagland|lozano-robledo|papp|siegel}} ...10 KB (1,450 words) - 23:47, 16 November 2024
- ...|The larger snail is ''L. stagnalis'' with saprobic value 2.0; the smaller one is possibly a ''[[Physa fontinalis]]'' with a value of 2.4.]] ...a stagnalis]]'' water snails and other organisms is estimated, and using a formula, the listed saprobic and tolerance values of the organisms allow the water ...12 KB (1,782 words) - 13:29, 2 May 2024
- ...plifiers'' on June 7, 1951; U.S. Patent 2,705,265 was granted on March 29, 1955. ...granted on November 10, 1954; improved version was filed on September 30, 1955, Finnish Patent 29642 granted on April 10, 1958. ...7 KB (1,050 words) - 21:21, 14 July 2022
- ...to use in the Western world starting in 1660, reaching its most common use in the 19th century. As a "compromise" projection, it preserves no particular ...slamic Golden Age, invented the first recorded globular projection for use in celestial maps about the year 1000.<ref name="Keuning"> ...7 KB (1,056 words) - 15:38, 7 September 2024
- ...0) was an American mathematician, and professor at [[Washington University in St. Louis]] working on [[mathematical analysis|analysis]]. ...this lecture, "This led to a joint paper, and was what started my interest in special functions."<ref name=":1">{{Cite web|url = http://www-groups.dcs.st ...11 KB (1,475 words) - 19:21, 17 September 2024
- ...ral and because it extends the [[path integral formulation|path integral]] in physics, where it is used as a sum over histories for [[fermion]]s. Let <math>\Lambda^n</math> be the exterior algebra of polynomials in anticommuting elements <math>\theta_{1},\dots,\theta_{n}</math> over the fi ...13 KB (2,086 words) - 01:03, 19 September 2024
- ...istry]], a '''nitrate ester''' is an organic [[functional group]] with the formula {{chem2|R\sONO2}}, where R stands for any [[organyl]] group. They are the ...ethyl nitrate]], is formed by reaction of [[methanol]] and [[nitric acid]] in the presence of [[sulfuric acid]]:<ref>{{OrgSynth | author = Alvin P. Black ...5 KB (722 words) - 22:29, 11 November 2024
- In statistical models applied to [[psychometrics]], '''congeneric reliability' ...="Joreskog" /> and three years later, Werts gave the modern, coordinatized formula for the same.<ref name=WLJ>Werts, C. E., Linn, R. L., & Jöreskog, K. G. (19 ...11 KB (1,482 words) - 19:54, 28 April 2024
- ...Ten drawings, each of the complete graph on four vertices. Besides the top one, each drawing has some number of connecting edges highlighted. Highlighted ...ation]]s of the [[symmetric group]]. Involution numbers were first studied in 1800 by [[Heinrich August Rothe]], who gave a [[recurrence equation]] by wh ...17 KB (2,310 words) - 16:09, 3 March 2024
- ...studied by [[Øystein Ore]].<ref>{{Cite journal|last=Ore|first=Oystein|date=1955-12-01|title=Graphs and matching theorems|url=https://projecteuclid.org/eucl ...which is formed by all vertices from 'V' that are connected by an edge to one or more vertices of ''U''. The '''deficiency''' of the set ''U'' is defined ...7 KB (1,184 words) - 13:04, 29 October 2024
- ...}}</ref> Multiple comparisons to a control are also referred to as many-to-one comparisons. ...59.1955.10501294}}</ref> an updated table of critical values was published in 1964.<ref name="Dunnett C. W. 1964">Dunnett C. W. (1964.) "New tables for m ...14 KB (2,189 words) - 09:54, 13 June 2024
- {{Short description|Methods in geodesy}} '''Vincenty's formulae''' are two related [[iterative method]]s used in [[geodesy]] to calculate the [[distance]] between two [[Point (geometry)|po ...18 KB (2,564 words) - 22:33, 20 September 2024
- {{Short description|Measure of gender in the labor force}} ...in every occupation is the same as women's share of employment as a whole. In other words, 0 indicates ''perfect'' gender integration within the workforc ...13 KB (1,834 words) - 21:30, 29 November 2024
- {{Short description|Concept in algebraic geometry}} ...plaining why they do not exist. It also provides invariants to distinguish one [[algebraic variety]] from another. ...26 KB (4,264 words) - 12:28, 9 October 2024