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- ...="KallebergFoundations286" /> As a result, some authors immediately define Lévy process as being càdlàg and having independent increments.<ref name="Kalleb ...s on Lévy processes and Stochastic calculus, Braunschweig; Lecture 2: Lévy processes|url=http://www.applebaum.staff.shef.ac.uk/Brauns2notes.pdf|author=Applebaum ...2 KB (270 words) - 21:08, 6 March 2022
- ...ble process''' is a type of [[stochastic process]]. It includes stochastic processes whose associated [[probability distribution]]s are [[stable distributions]] Examples of stable processes include the [[Wiener process]], or [[Brownian motion]], whose associated pr ...960 bytes (125 words) - 21:12, 11 January 2017
- ...e|year=1983|title=The isoperimetric inequality for isotropic unimodal Lévy processes|journal=Z. Wahrsch. Verw. Gebiete|volume=63 |issue=4|pages=487–499}}</ref> == Isotropic and unimodal stochastic processes == ...4 KB (627 words) - 22:06, 18 September 2024
- ...ochastic processes have stationary increments either by definition (e.g. [[Lévy process]]es) or by construction (e.g. [[random walk]]s) ...isson process]]es have stationary increments. Other families of stochastic processes such as [[random walk]]s have stationary increments by construction. ...3 KB (437 words) - 17:48, 3 December 2024
- ...of Reflected Solutions of Stochastic Equations Driven by Symmetric Stable Processes|author=Engelbert, H.J., Kurenok, V.P. & Zalinescu, A.|page=[https://archive ...es: Theory and Methods|editor=Shanbhag, D.N.|chapter=Some elements on Lévy processes|author=Bertoin, J.|page=122|year=2001|publisher=Gulf Professional Publishin ...6 KB (857 words) - 15:51, 15 September 2023
- ...of these is attributed to {{harvs|txt|first=Paul|last=Lévy|authorlink=Paul Lévy (mathematician)|year=1939}}. ...y|Scale invariance]] ensures that the results can be generalised to Wiener processes run for ''t'' ∈[0,∞). ...4 KB (553 words) - 22:41, 28 November 2020
- ...f name="KallebergFoundations290" /> Subordinators are a special class of [[Lévy process]] that play an important role in the theory of [[local time (mathem ...s on Lévy processes and Stochastic calculus, Braunschweig; Lecture 2: Lévy processes|url=http://www.applebaum.staff.shef.ac.uk/Brauns2notes.pdf|author=Applebaum ...5 KB (757 words) - 17:02, 26 April 2023
- ...467 }}</ref> and in 1950<ref name="Levy">{{cite journal|first=Paul M.|last=Lévy|title=Wiener's random function, and other Laplacian random functions|journa ==Lévy's stochastic area== ...4 KB (654 words) - 22:44, 7 April 2024
- ...exist a slightly different version due to [[Paul Lévy (mathematician)|Paul Lévy]]. === Lévy's definition of the multiparametric Brownian motion === ...6 KB (883 words) - 19:16, 23 December 2024
- ...the [[geometric Brownian motion]]{{sfn|Peres|Sousi|2016}} or stable [[Lévy processes]]{{sfn|Kern|Pleschberger|2024}} plus [[Borel measurable]] drift function <m For an isotropic <math>\alpha</math>-stable Lévy process <math>X</math> for <math>\alpha \in (0,2]</math> plus some measurab ...6 KB (984 words) - 14:51, 22 December 2024
- ...tegral]], where the [[integral|integration]] is done with respect to a ''[[Lévy basis]]'', plus a smooth term given by an ordinary [[Lebesgue integration|L ...tp://data.imf.au.dk/publications/thiele/2005/imf-thiele-2005-14.pdf "Ambit processes; with applications to turbulence and tumour growth"], ''Research report, Th ...9 KB (1,575 words) - 20:05, 13 August 2018
- ==Extension to stable processes== ...ential equations driven by stable Lévy motion|year=1997|journal=Stochastic Processes and Their Applications|volume=68|pages=209–228|doi=10.1214/aop/1023481008|u ...4 KB (630 words) - 19:39, 18 December 2024
- ...ath>p</math>-th moments for all <math>p>\alpha</math>, the tempered stable processes have been proposed for overcoming this limitation of the stable distributio ...] <math>\nu</math> on <math>\mathbb{R}</math> is called a [[Levy measure|''Lévy measure'']] if <math>\nu({0})=0</math> and ...11 KB (1,699 words) - 12:02, 19 February 2025
- ...th stationary increments). An example of an additive process that is not a Lévy process is a [[Brownian motion]] with a time-dependent drift.{{sfn|Tankov|C The additive process was introduced by [[Paul Lévy (mathematician)|Paul Lévy]] in 1937.{{sfn|Tankov|Cont|2003|p=468}} ...16 KB (2,444 words) - 06:51, 22 October 2024
- ...''a''.<ref name=Jacobs>{{cite book|last=Jacobs|first=Kurt|title=Stochastic Processes for Physicists|year=2010|publisher=Cambridge University Press|isbn=97811394 Assuming <math> W(0) = 0 </math> , due to the continuity of Wiener processes, each path (one sampled realization) of Wiener process on <math> (0,t) </ma ...6 KB (1,130 words) - 18:18, 21 February 2025
- ...ariance-Gamma-process.png|thumb|right|Three sample paths of variance gamma processes (in resp. red, green, black)]] ...finite [[moment (mathematics)|moments]], distinguishing it from many Lévy processes. There is no [[diffusion]] component in the VG process and it is thus a [[ ...10 KB (1,487 words) - 02:47, 27 June 2024
- ...oi=10.4153/CJM-1958-026-0|title=Central Limit Theorems for Interchangeable Processes|year=1958|last1=Blum|first1=J. R.|last2=Chernoff|first2=H.|last3=Rosenblatt ===Lévy process=== ...14 KB (2,123 words) - 19:51, 10 February 2025
- | title =Cuckoo search via Lévy flights ...Deb discovered that the random-walk style search is better performed by [[Lévy flight]]s rather than simple [[random walk]]. ...11 KB (1,683 words) - 14:08, 18 October 2023
- ...ner process]] (or [[Brownian motion]]). Realisations of Brownian excursion processes are essentially just realizations of a Wiener process selected to satisfy c ...f a Brownian motion process ''W'' (due to [[Paul Lévy (mathematician)|Paul Lévy]] and noted by [[Kiyosi Itô]] and [[Henry McKean|Henry P. McKean, Jr.]]<ref ...12 KB (1,591 words) - 00:49, 8 November 2023
- ...rvtxt|Barendregt|1977}} and named after a theorem of [[Corrado Böhm]]}} '''Lévy-Longo trees''',<ref>{{cite book |last1=Levy |first1=Jean-Jacques |title=λ-C === Lévy-Longo trees === ...12 KB (1,907 words) - 00:21, 29 October 2024