preserves
81Itō calculus — Itō calculus, named after Kiyoshi Itō, extends the methods of calculus to stochastic processes such as Brownian motion (Wiener process). It has important applications in mathematical finance and stochastic differential equations.The central… …
82Linear complex structure — In mathematics, a complex structure on a real vector space V is an automorphism of V that squares to the minus identity, −I. Such a structure on V allows one to define multiplication by complex scalars in a canonical fashion so as to regard V as… …
83Jesse Stuart — Born Jesse Hilton Stuart August 8, 1907(1907 08 08) Riverton, Kentucky, USA Died February 17, 1984(1984 02 17) (aged 76) Ironton, Ohio, USA Occupation Author, educator …
84Carter Caves State Resort Park — Infobox park park=Carter Caves State Resort Park image size= caption= type=Kentucky state park location=Carter County, Kentucky coordinates= size=1,600 acres opened=1946 operator=Kentucky Department of Parks annual visitors= status=Open year… …
85Friends of the Parks — (FOTP) is a non profit organization in Chicago, Illinois. Formed in 1975, it acts as a watchdog group and environmental advocate for the Chicago area. Specifically, it monitors the condition and safety of the Chicago Park District and the forest… …
86Forest Preserve District of DuPage County — The Forest Preserve District of DuPage County is a governmental agency headquartered in Wheaton, Illinois. Its mission is to acquire and hold lands containing forests, prairies, wetlands, and associated plant communities or lands capable of being …
87Natural Lands Trust — The Natural Lands Trust, headquartered in Media, Pennsylvania, is one of the oldest regional land conservation groups in the United States. Founded by a group of avid bird watchers in 1953, as the Philadelphia Conservationists, the Trust works in …
88Liberty Mills, Indiana — Infobox Settlement official name = Liberty Mills settlement type = Town motto = image caption = Post Office, Downtown Liberty Mills imagesize = mapsize = map caption = mapsize1 = map caption1 = image dot dot mapsize = dot map caption = dot x =… …
89Iowa Department of Natural Resources — Infobox Government agency agency name = Iowa Department of Natural Resources nativename = nativename a = nativename r = logo = logo width = logo caption = seal width = seal caption = formed = date1 = date1 name = date2 = date2 name = preceding1 …
90Tourism in Peru — began developing in the 1990s with the stabilization of the economy and the build up of tourist infrastructure. Nowadays tourism makes up the nation s third largest industry behind fishing and mining. [… …
