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Sheaf (mathematics) - Wikipedia
In mathematics, a sheaf ( pl. : sheaves) is a tool for systematically tracking data (such as sets, abelian groups, rings) attached to the open sets of a ... en.wikipedia.org
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Sheaf (agriculture) - Wikipedia
A sheaf (/ʃiːf/; pl. : sheaves) is a bunch of cereal-crop stems bound together after reaping, traditionally by sickle, later by scythe or, after its ... en.wikipedia.org
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SHEAF Definition & Meaning - Merriam-Webster
1 ... a quantity of the stalks and ears of a cereal grass or sometimes other plant material bound together ... 2 ... something resembling a sheaf of ... www.merriam-webster.com
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sheaf
▪ I. sheaf, n. (ʃiːf) Forms: α. 1 scéaf, 4–5 shef, schef, scheef, 4–6 shefe, sheef, 5 sheeffe, (chyfe), 5–6 schefe, scheff(e, sheff, 5–7 sheffe, 6 sheaffe, schiefe, Sc. scheiff, (teind-)cheif, 6–7 sheafe, 7 sheave, sheive, 8 Sc. sheaff, 6– sheaf. pl. 1 scéafas, (scéabas, scébas), 3 sheve, (Orm.) shæ... Oxford English Dictionary
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sheaf in nLab
A presheaf on a site is a sheaf if its value on any object of the site is given by its compatible values on any covering of that object. ncatlab.org
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sheaf - Wiktionary, the free dictionary
Noun · A quantity of the stalks and ears of wheat, rye, or other grain, bound together; a bundle of grain or straw. · Any collection of things bound together. en.wiktionary.org
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Sheaf
Sheaf may refer to: Sheaf (agriculture), a bundle of harvested cereal stems Sheaf (mathematics), a mathematical tool Sheaf toss, a Scottish sport River Sheaf, a tributary of River Don in England The Sheaf, a student-run newspaper serving the University of Saskatchewan Aluma, a settlement in Israel wikipedia.org
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ELI5: What is a sheaf? : r/math - Reddit
The simple explanation is a sheaf is a way of translating between locally-defined data and globally-defined data. www.reddit.com
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Clarification on definition of a Sheaf - Mathematics Stack Exchange
A (pre)sheaf on a category C is a functor from Cop→Set or sets with extra structure: Abelian groups, rings, modules, etc. math.stackexchange.com
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What is an intuitive Geometrical explanation of a "sheaf?"
A sheaf is a very broad concept, but is most often used when referencing a function that maps algebraic structures (like rings) to points on a manifolds. math.stackexchange.com
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Sheaf Theory through Examples | Books Gateway - MIT Press Direct
An approachable introduction to elementary sheaf theory and its applications beyond pure math. Sheaves are mathematical constructions concerned with passages ... direct.mit.edu
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sheaf
sheaf/ʃi:f; ʃif/ n(pl sheaves / ʃi:vz; ʃivz/)1 bundle of stalks of corn, barley, etc tied together after reaping （谷物等收割後的）束, 捆.2 bundle of papers, etc laid lengthwise and often tied together （文件等的）束, 扎. 牛津英汉双解词典
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Sheaf (agriculture)
The traditional sheaf pitchfork has a long wooden handle, two short tynes and a rounded back to make the placing of sheaves easy. Heraldry In heraldry a wheat sheaf is called a garb. See also Omer (unit), a Biblical measure of volume of grain. wikipedia.org
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Sheaf (mathematics)
For , this sheaf is called the structure sheaf and is denoted . The nonzero functions also form a sheaf, denoted . See also Coherent sheaf Gerbe Stack (mathematics) Sheaf of spectra Perverse sheaf Presheaf of spaces Constructible sheaf De Rham's theorem Notes wikipedia.org
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Constant sheaf
This sheaf identifies with the sheaf of locally constant -valued functions on . is a sheaf called the constant sheaf on with value . wikipedia.org
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