- Look up
sheaf in Wiktionary, the free dictionary.
Sheaf may
refer to:
Sheaf (agriculture), a
bundle of
harvested cereal stems Sheaf (mathematics), a mathematical...
- Look up
sheaf in Wiktionary, the free dictionary. In mathematics, a
sheaf (pl.: sheaves) is a tool for
systematically tracking data (such as sets, abelian...
-
reflexive sheaf is a
coherent sheaf that is
isomorphic to its
second dual (as a
sheaf of modules) via the
canonical map. The
second dual of a
coherent sheaf is...
-
Coherent sheaf cohomology is a
powerful technique, in
particular for
studying the
sections of a
given coherent sheaf. A quasi-coherent
sheaf on a ringed...
-
Sheaffer Pen
Corporation (/ˈʃeɪfər/) is an
American manufacturing company of
writing instruments,
particularly luxury fountain pens. The
company was founded...
- to
construct the
resolutions needed to
define sheaf cohomology (and
other derived functors, such as
sheaf Ext).
There is a
further group of
related concepts...
- geometry,
given a
morphism f: X → S of schemes, the
cotangent sheaf on X is the
sheaf of O X {\displaystyle {\mathcal {O}}_{X}} -modules Ω X / S {\displaystyle...
- In mathematics, a
motivic sheaf is a motivic-cohomology
counterpart of an l-adic
sheaf. It was
first introduced by
Morel and
Voevodsky and was
later developed...
-
Sasha Pieterse Sheaffer (/ˈpiːtərsə/; born
February 17, 1996) is a
South African and
American actress and singer. She is
known for
portraying Alison DiLaurentis...
- In
algebraic geometry, the
dualizing sheaf on a
proper scheme X of
dimension n over a
field k is a
coherent sheaf ω X {\displaystyle \omega _{X}} together...