normal sheaf
41Homological algebra — is the branch of mathematics which studies homology in a general algebraic setting. It is a relatively young discipline, whose origins can be traced to investigations in combinatorial topology (a precursor to algebraic topology) and abstract… …
42John Watson (Sherlock Holmes) — Dr John H. Watson is a fictional character, the friend, confidante and biographer of Sherlock Holmes, the fictional 19th century detective created by Sir Arthur Conan Doyle. Various (extra canonical) sources give Watson s birth date as August 7,… …
43Crystal habit — This article is about the descriptive term used in mineralogy. For the addictive drug, see crystal methamphetamine. Pyrite sun (or dollar) in laminated shale matrix. Between tightly spaced layers of shale, the aggregate was forced to grow in a… …
44Star Fleet Battles — (SFB) is a tactical strategy board wargame set in an offshoot of the Star Trek setting called the Star Fleet Universe. Originally created in 1979 by Stephen V. Cole,cite journal title=Pyramid Pick: Starfleet Command… …
45List of general topology topics — This is a list of general topology topics, by Wikipedia page. Contents 1 Basic concepts 2 Limits 3 Topological properties 3.1 Compactness and countability …
46List of category theory topics — This is a list of category theory topics, by Wikipedia page. Specific categories *Category of sets **Concrete category *Category of vector spaces **Category of graded vector spaces *Category of finite dimensional Hilbert spaces *Category of sets… …
47Reaper — For other uses, see Reaper (disambiguation). Typical 20th century reaper, a tractor drawn Fahr machine A reaper is a person or machine that reaps (cuts and gathers) crops at harvest, when they are ripe. Contents …
48David Mumford — in 1975 Born 11 June 1937 (1937 06 11) (age 74) …
49The Motorcycle Diaries — is a book that traces the early travels of Marxist revolutionary Ernesto Che Guevara, then a 23 year old medical student, and his friend Alberto Granado, a 29 year old biochemist. Guevara travelled 8,000 miles across South America on an old… …
50Discworld geography — Überwald redirects here. For the area in Hessen, Germany, see Überwald (Bergstraße). The Discworld Mapp by Stephen Player (Dutch version) This article concerns the fictional geography of Terry Pratchett s Discworld, featured in the novel series… …
