🌐EnglishEnglishDeutschEspañolFrançaisItalianoNederlandsPolskiPortuguêsSvenskaTürkçeРусскийالعربيةفارسی한국어中文日本語EntityQ534112· pop 21· linked from 301 articlesmartingalemodel in probability theory, used in gamblingAvailable in 21 languagesEspañolFrançaisDeutsch中文日本語РусскийPortuguêsItalianoالعربيةCatalanFinnishConnectionsPoisson processEntityItō calculusEntityCategoriesGame theoryMartingale theoryPaul Lévy (mathematician)Stochastic processes