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In mathematics, a gerbe (/ dʒɜːrb /; French: [ʒɛʁb]) is a construct in homological algebra and topology. Gerbes were introduced by Jean Giraud (Giraud 1971) following ideas of Alexandre Grothendieck as a tool for non-commutative cohomology in degree 2. They can be seen as an analogue of fibre bundles where the fibre is the classifying ...
Dillons is a regional grocery supermarket chain based in Hutchinson, Kansas, and is a division of Kroger. Other banners under the Dillon Stores Division include Gerbes in Missouri and Baker's in Omaha, Nebraska. Dillons operates grocery stores throughout Kansas with major influences in and around Wichita, Topeka, Manhattan, and Lawrence.
Name Areas served Year founded Headquarters Associated supermarket brands Ahold Delhaize: Connecticut, Delaware, Georgia, Kentucky, Maine, Maryland, Massachusetts ...
Historically the most popular construction of a gerbe is a category-theoretic model featured in Giraud's theory of gerbes, which are roughly sheaves of groupoids over M. In 1994 [2] Murray introduced bundle gerbes, which are geometric realizations of 1-gerbes. For many purposes these are more suitable for calculations than Giraud's realization ...
Beginning. In 1883, 23-year-old Bernard Kroger, the fifth of ten children of German immigrants, invested his life savings of $372 (equivalent to $12,164 in 2023) to open a grocery store at 66 Pearl Street in downtown Cincinnati. [21] The son of a merchant, he ran his business with a simple motto: "Be particular.
The presidency of William Henry Harrison, who died 31 days after taking office in 1841, was the shortest in American history. [ 6 ] Franklin D. Roosevelt served the longest, over twelve years, before dying early in his fourth term in 1945. He is the only U.S. president to have served more than two terms. [ 7 ]
Playing career. 2008–2021. Nathan David Gerbe (born July 24, 1987) is an American former professional ice hockey player. Selected by the Buffalo Sabres in the fifth round (142nd overall) of the 2005 NHL Entry Draft, Gerbe played for the Sabres, Carolina Hurricanes and Columbus Blue Jackets during his National Hockey League (NHL) career.
Stack (mathematics) In mathematics a stack or 2-sheaf is, roughly speaking, a sheaf that takes values in categories rather than sets. Stacks are used to formalise some of the main constructions of descent theory, and to construct fine moduli stacks when fine moduli spaces do not exist. Descent theory is concerned with generalisations of ...
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