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Manufacturer of writing instruments
Walter A. Sheaffer took his idea of a pen filling apparatus that utilized a lever system and, with his life savings, founded the W. A. Sheaffer Pen Company
Sheaffer
American writer and UFO skeptic (born 1949)
15, 2017. Sheaffer, Robert. "Robert Sheaffer's Page of Singing and Opera". Debunker. Retrieved April 28, 2015. "Episode 217 – Robert Sheaffer Debunks UFO
Robert_Sheaffer
American actress (born 1996)
Sasha Pieterse Sheaffer (/ˈpiːtərsə/; born February 17, 1996) is a South African-born American actress and singer. She is known for portraying Alison DiLaurentis
Sasha_Pieterse
American journalist (1912 – 1993)
Prize, Sheaffer was a three-time Guggenheim Fellowship recipient and received over ten fellowships from MacDowell. On October 18, 1912, Louis Sheaffer Slung
Louis_Sheaffer
Surname list
officer Sheaffer Danny Sheaffer (born 1961), American baseball player John Richard Sheaffer (born 1931), is an American innovator Robert Sheaffer (born
Sheafer
Topics referred to by the same term
Look up sheaf in Wiktionary, the free dictionary. Sheaf may refer to: Sheaf (agriculture), a bundle of harvested cereal stems Sheaf (mathematics), a mathematical
Sheaf
American field hockey player
Charles Miller Sheaffer, Jr. (December 6, 1904 – August 28, 1989), also known as "Juney" Sheaffer, was an American field hockey player who played in the
Charles_Sheaffer
The Sheaffer Prelude fountain pens, rollerball pens and ballpoints are a line of writing instruments made by the Sheaffer Pen Company. The pen is made
Sheaffer_Prelude
the W.A. Sheaffer Pen Company. Walter A. Sheaffer was born in Bloomfield, Davis County, Iowa, on July 27, 1867. His father, Jacob Sheaffer, moved to
Walter_A._Sheaffer
Tool to track locally defined data attached to the open sets of a topological space
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
Sheaf_(mathematics)
American manufacturing company
wallets. The company has also owned Sheaffer, another pen manufacturer, since 2014. In August 2022, the Sheaffer brand was sold to the William Penn company
A._T._Cross_Company
British actress (1925–1991)
p. 118; Sheaffer, p. 150 and p. 179. Scovell, p. 40 Scovell, p. 71 for Burton Ranald, pp. 66–7; Sheaffer, pp. 180–183 and p. 203. Sheaffer, p. 211 and
Oona_O'Neill
American baseball player (born 1961)
September 27, 1997. Sheaffer was a member of the inaugural Colorado Rockies team that began play in Major League Baseball in 1993. Sheaffer finished out his
Danny_Sheaffer
Alleged alien abduction, 1975
social media and broadcast on such podcasts as Erica Lukes' UFO series. Sheaffer has recommended a new website and materials developed by Charlie Wiser
Travis_Walton_incident
"Jack Sheaffer, founder of engineering firms, dies at 85". Chicago Tribune. Retrieved 2023-07-13. Jack Sheaffer[permanent dead link] About · Sheaffer International
John_Richard_Sheaffer
Writing implement with nib and internal ink reservoir
Parker 61, 2007 Parker 100, Lamy 2000, and Hero 329), inlaid (e.g. Sheaffer Targa or Sheaffer P.F.M) or integral Nib (Parker T-1, Falcon, and Pilot Myu 701)
Fountain_pen
In mathematics, a constructible sheaf is a sheaf of abelian groups over some topological space X, such that X is the union of a finite number of locally
Constructible_sheaf
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
Reflexive_sheaf
Reputed paranormal area in Utah, United States
million to study unidentified aerial phenomena. Skeptical author Robert Sheaffer believes the phenomena at Skinwalker to be "almost certainly illusory"
Skinwalker_Ranch
Generalization of vector bundles
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
Coherent_sheaf
In algebraic geometry and other areas of mathematics, an ideal sheaf (or sheaf of ideals) is the global analogue of an ideal in a ring. The ideal sheaves
Ideal_sheaf
Concept from algebraic geometry
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
Dualizing_sheaf
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
Cotangent_sheaf
List of ships with the same or similar names
the Sheaf Steam Shipping Co were named Sheaf Mount. SS Sheaf Mount (1914), in service 1919–30 SS Sheaf Mount (1924), in service 1939–42 MV Sheaf Mount (1944)
Sheaf_Mount
Student Run Newspaper
The Sheaf is a student-run newspaper serving the University of Saskatchewan in Saskatoon, Saskatchewan since 1912. A new issue comes out every Thursday
The_Sheaf
Bundle of cereal-crop stems bound together after reaping
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 introduction
Sheaf_(agriculture)
1969 incident regarding the sighting of a UFO
Archived 2015-02-27 at the Wayback Machine, GQ (Sheaffer 1998:20–21) (Sheaffer 1998:18–28) (Sheaffer 1998:21–22) Harwood, William R (2002) "The Disinformation
Jimmy_Carter_UFO_incident
Purveyor of alcoholic beverages
Schaefer Beer is a brand of American beer first produced in New York City during 1842 by the F. & M. Schaefer Brewing Company. The company relocated to
Schaefer_Beer
Historic house in Iowa, United States
the garage cottage. Walter A. Sheaffer was the inventor of the lever-filled fountain pen, and he founded the Sheaffer Pen Company to produce it. The
Walter_A._Sheaffer_House
Tool in algebraic topology
sheaf cohomology is the application of homological algebra to analyze the global sections of a sheaf on a topological space. Broadly speaking, sheaf cohomology
Sheaf_cohomology
English footballer (born 1998)
Benjamin David Sheaf (born 5 February 1998) is an English professional footballer who plays as a defensive midfielder for EFL Championship club Wrexham
Ben_Sheaf
Symbol of the Bangladesh Nationalist Party
The Sheaf of Paddy (Bengali: ধানের শীষ) is the political symbol of the Bangladesh Nationalist Party (BNP). After the establishment of Pakistan, the National
Sheaf_of_Paddy_(politics)
Objects of certain abelian categories associated to topological spaces
individual D-modules (and not more general complexes thereof); a perverse sheaf is in general represented by a complex of sheaves. The concept of perverse
Perverse_sheaf
Alleged alien abduction in 1961
expert Robert Sheaffer writes that the Hills are the "poster children" for not driving when sleep deprived. In the Skeptical Inquirer, Sheaffer also wrote:
Barney and Betty Hill incident
Barney_and_Betty_Hill_incident
German luxury goods manufacturer
Ohto Paper Mate Parker Pelikan Pierre Cardin Pilot Reynolds Sailor Sakura Sheaffer Stabilo Scripto Staedtler Tombow TOZ Penkala Uni-ball Yard-O-Led Zebra
Montblanc_(company)
and introduced by the Sheaffer Pen Company in 1924 when plastics were first used as a material for pen manufacture. Sheaffer's Radite pens were the first
Radite
1997 light phenomenon over Arizona, US
prompting author Robert Sheaffer to describe it as "perhaps the most widely witnessed UFO event in history". According to Sheaffer, what became known as
Phoenix_Lights
In mathematics, a sheaf of planes is the set of all planes that have the same common line. It may also be known as a fan of planes or a pencil of planes
Sheaf_of_planes
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
Motivic_sheaf
American astronomer and ufologist (1910–1986)
February 26, 2024. Sheaffer, Robert (1998). UFO Sightings: The Evidence. Amherst, NY: Prometheus Books. ISBN 1573922137. Sheaffer, Robert (1978). "Review:
J._Allen_Hynek
(improvements fountain pen) Petrache Poenaru (improvements fountain pen) Walter A. Sheaffer (improvements fountain pen) Lewis Waterman (improvements fountain pen)
List of pen types, brands and companies
List_of_pen_types,_brands_and_companies
In mathematics, a torsion sheaf is a sheaf of abelian groups F {\displaystyle {\mathcal {F}}} on a site for which, for every object U, the space of sections
Torsion_sheaf
Sheaf consisting of modules on a ringed space; generalizing vector bundles
In mathematics, a sheaf of O-modules or simply an O-module over a ringed space (X, O) is a sheaf of abelian groups F such that, for any open subset U of
Sheaf_of_modules
Alleged UFO encounter in 1986
the near future". According to astronomer and UFO investigator Robert Sheaffer, despite Flight 1628 becoming one of "the most celebrated cases in recent
Japan Air Lines Cargo Flight 1628
Japan_Air_Lines_Cargo_Flight_1628
Fictional Nazi weapon
theories seduce otherwise reasonable people". Skeptical author Robert Sheaffer criticised Cook's book as "a classic example of how to spin an exciting
Die Glocke (conspiracy theory)
Die_Glocke_(conspiracy_theory)
Photographs taken in Oregon, US
of the Trent photos from Robert Sheaffer's website The Debunker's Domain Bruce Maccabee's rebuttal to the Klass-Sheaffer explanation Discussion of overlooked
McMinnville_UFO_photographs
Traditional Scottish agricultural sport
The sheaf toss (Scottish Gaelic: sguab) is a traditional Irish and Scottish agricultural sport event originally contested at country fairs. A pitchfork
Sheaf_toss
Mathematical object in sheaf cohomology
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
Injective_sheaf
American judge (1852–1928)
John W. Sheafor (March 9, 1852 – January 24, 1928) was an associate justice of the Colorado Supreme Court from 1923 until his death in 1928. Born in Manchester
John_W._Sheafor
French manufacturing company
Europe was formed. In 1997, BIC acquired the Tipp-Ex brand as well as Sheaffer. The company further expanded into Asia. In 1992, Bic purchased Wite-Out
Bic
French computer scientist and ufologist (born 1939)
12, 1996, had fake alien pilots named Jacques Sheaffer and Robert Vallee. According to Robert Sheaffer this was a joke by the X-Files creator Chris Carter
Jacques_Vallée
English footballer
Max Daniel Sheaf (born 10 March 2000) is an English footballer who plays as a midfielder for Isthmian League Premier Division club Eastbourne Borough
Max_Sheaf
field of algebraic topology, the orientation sheaf on a manifold X of dimension n is a locally constant sheaf oX on X such that the stalk of oX at a point
Orientation_sheaf
Writing material for fountain pens
sells "Quink", Pilot sells "Iroshizuku", Wancher sells "Silk Road", and Sheaffer sells "Skrip", while manufacturers like Waterman, Lamy, Hero, Pelikan,
Fountain_pen_ink
Historic building in Berkeley, California, US
Golden Sheaf Bakery is a historical building and former bakery built in 1905 and located at 2069–2071 Addison Street in Berkeley, California, U.S. It
Golden_Sheaf_Bakery
American Americana/bluegrass band
formed in 2001, and was composed of vocalist/guitarist/songwriter Todd Sheaffer, violinist/vocalist Tim Carbone, mandolinist John Skehan, multi-instrumentalist
Railroad_Earth
In mathematics, a mapping between categories
given a sheaf F defined on a topological space X and a continuous map f: X → Y, we can define a new sheaf f∗F on Y, called the direct image sheaf or the
Direct_image_functor
2001 debut, studio album by Railroad Earth
"Head" (Sheaffer) – 6:59 "Lordy Lordy" (Sheaffer) – 4:12 "Seven Story Mountain" (Sheaffer) – 6:02 "Chains" (Sheaffer) – 4:29 "Black Bear" (Sheaffer) – 9:13
The_Black_Bear_Sessions
Concept in algebraic geometry
p : E → Y {\displaystyle p\colon E\to Y} (or more generally a coherent sheaf on Y {\displaystyle Y} ) has a pullback to X {\displaystyle X} , f ∗ E =
Ample_line_bundle
American cyclist
Nathan Sheafor (born November 16, 1961) is an American former cyclist. Sheafor won the 1989 United States National Time Trial Championships. He also competed
Nathan_Sheafor
In mathematics, a twisted sheaf is a variant of a coherent sheaf. Precisely, it is specified by: an open covering in the étale topology Ui, coherent sheaves
Twisted_sheaf
spectrum is often called perfect; see also module spectrum. When the structure sheaf O X {\displaystyle {\mathcal {O}}_{X}} is not coherent, working with coherent
Perfect_complex
Indian stationery company
Ohto Paper Mate Parker Pelikan Pierre Cardin Pilot Reynolds Sailor Sakura Sheaffer Stabilo Scripto Staedtler Tombow TOZ Penkala Uni-ball Yard-O-Led Zebra
Kokuyo_Camlin
Historic house in Iowa, United States
National Register of Historic Places in 1993. Craig Sheaffer served as the president of the Sheaffer Pen Company, which had been established by his father
Craig and Virginia Sheaffer House
Craig_and_Virginia_Sheaffer_House
Type of sheaf of modules
In mathematics, an invertible sheaf is a sheaf on a ringed space that has an inverse with respect to tensor product of sheaves of modules. It is the equivalent
Invertible_sheaf
American anti-abortion non-profit organisation
was founded in 1995 as America's Pregnancy Helpline by Mike and Annie Sheaffer. Between 1995 and 2003, it worked as a helpline that provided information
American Pregnancy Association
American_Pregnancy_Association
Italian-French fashion designer (1922–2020)
d'Ache United Kingdom Berol Conway Stewart Dunhill Onoto Yard-O-Led United States Carter Cross Esterbrook Eversharp Parker Sheaffer Speedball Waterman
Pierre_Cardin
River in South Yorkshire, England
The River Sheaf in Sheffield, South Yorkshire, England, flows northwards, past Dore, through Abbeydale and north of Heeley. It then passes into a culvert
River_Sheaf
Sheaf of rings in mathematics
Precisely, it is a topological space equipped with a sheaf of rings called a structure sheaf. It is an abstraction of the concept of the rings of continuous
Ringed_space
Construction in homological algebra
universal enveloping algebra. For a topological space X {\displaystyle X} , sheaf cohomology can be defined as H ∗ ( X , A ) = Ext ∗ ( Z X , A ) . {\displaystyle
Ext_functor
Films that present sexually explicit subject matter
over the following few years. In his biography of Eugene O'Neill, Louis Sheaffer recounts that the playwright traveled to Buenos Aires in the 1900s and
Pornographic_film
Mathematical construction
In mathematics, the stalk of a sheaf is a mathematical construction capturing the behaviour of a sheaf around a given point. Sheaves are defined on open
Stalk_(sheaf)
Writing instrument manufacturer in France
its younger and more innovative competitors to gain market share—Parker, Sheaffer, and Wahl-Eversharp in particular. By the later 1920s, Waterman was attempting
Waterman_Pen_Company
Concept in mathematics
group scheme G on a scheme X over a base scheme S, an equivariant sheaf F on X is a sheaf of O X {\displaystyle {\mathcal {O}}_{X}} -modules together with
Equivariant_sheaf
French luxury goods conglomerate
d'Ache United Kingdom Berol Conway Stewart Dunhill Onoto Yard-O-Led United States Carter Cross Esterbrook Eversharp Parker Sheaffer Speedball Waterman
Cartier_(jeweler)
American playwright (1888–1953)
ISBN 978-0-399-15911-4. Sheaffer, Louis (2002) [1968]. O'Neill Volume I: Son and Playwright. Cooper Square Press. ISBN 0-8154-1243-6. Sheaffer, Louis (1999) [1973]
Eugene_O'Neill
Manufacturer of ballpoint pens and mechanical pencils
The company is also distributor of several brands in Sweden, such as Sheaffer, Staedtler and Cross, which allow Ballograf to expand its variety to fountain
Ballograf
Apparent unusual observation in the sky
Behind the Flying Saucers. New York: Henry Holt and Company. OCLC 1467735. Sheaffer, Robert (1981). The UFO Verdict: Examining the Evidence. Buffalo, NY: Prometheus
Unidentified_flying_object
Type of ringed space
In algebraic geometry, a sheaf of algebras on a ringed space X is a sheaf of commutative rings on X that is also a sheaf of O X {\displaystyle {\mathcal
Sheaf_of_algebras
Concept in algebraic geometry
especially in algebraic geometry and the theory of complex manifolds, coherent sheaf cohomology is a technique for producing functions with specified properties
Coherent_sheaf_cohomology
In algebraic geometry, an ℓ-adic sheaf on a Noetherian scheme X is an inverse system consisting of Z / ℓ n {\displaystyle \mathbb {Z} /\ell ^{n}} -modules
ℓ-adic_sheaf
Differential form in commutative algebra
subscheme V, then the cotangent sheaf restricts to a sheaf on U which is similarly universal. It is therefore the sheaf associated to the module of Kähler
Kähler_differential
City in Iowa, United States
those age 65 or over. The W.A. Sheaffer Pen Company was founded in Fort Madison in 1907 by Walter A. Sheaffer. Sheaffer owned a jewelry store, in the back
Fort_Madison,_Iowa
Object in mathematical sheaf theory
mathematics, the constant sheaf on a topological space X {\displaystyle X} associated to a set A {\displaystyle A} is a sheaf of sets on X {\displaystyle
Constant_sheaf
English actor and filmmaker (1889–1977)
Friedrich, p. 393. Louvish, p. 135. Chaplin, pp. 423–444; Robinson, p. 670. Sheaffer, pp. 623, 658. Chaplin, pp. 423, 477. Robinson, p. 519. Robinson, pp. 671–675
Charlie_Chaplin
Construction in algebraic topology
image exhibits some relatively subtle features. Suppose we are given a sheaf G {\displaystyle {\mathcal {G}}} on Y {\displaystyle Y} and that we want
Inverse_image_functor
geometry, a quasi-coherent sheaf on an algebraic stack X {\displaystyle {\mathfrak {X}}} is a generalization of a quasi-coherent sheaf on a scheme. The most
Sheaf_on_an_algebraic_stack
Country in West Asia
A Sabaean gravestone of a woman holding a stylized sheaf of wheat, a symbol of fertility in ancient Yemen
Yemen
Projective analogue of the spectrum of a ring
indispensable. We also construct a sheaf on Proj S {\displaystyle \operatorname {Proj} S} , called the “structure sheaf” as in the affine case, which makes
Proj_construction
Sheaf theory concept
resolution of a sheaf is a construction in homological algebra that allows one to view global, cohomological information about the sheaf in terms of local
Godement_resolution
Roman emperor from AD 37 to 41
release date, cast, trailer, plot". Express.co.uk. Retrieved 2 August 2020. Sheaffer-Jones, Caroline (2012). "A Deconstructive Reading of Albert Camus' Caligula"
Caligula
2005–2006 comic strip
Capitalist Piglet is a comic strip that appeared briefly in The Sheaf from 2005 to 2006. It is best known for a controversial instalment depicting Jesus
Capitalist_Piglet
Brand of luxury writing instruments
d'Ache United Kingdom Berol Conway Stewart Dunhill Onoto Yard-O-Led United States Carter Cross Esterbrook Eversharp Parker Sheaffer Speedball Waterman
Graf_von_Faber-Castell
Panlo is the District 9 male tribute in the 10th Hunger Games. He and Sheaf die from injuries sustained in the bombing attack. In the movie, he was
List of The Hunger Games characters
List_of_The_Hunger_Games_characters
American actor, rancher, painter, and husband of Ayn Rand (1897–1979)
much public evidence to corroborate Rand's" claims about O'Connor. Robert Sheaffer concludes that O'Connor "was a very generous and decent man" but "was no
Frank O'Connor (actor, born 1897)
Frank_O'Connor_(actor,_born_1897)
Concept in algebraic geometry
{\displaystyle V} . It may equally well be considered as an invertible sheaf. The canonical class is the divisor class of a Cartier divisor K {\displaystyle
Canonical_bundle
Elongated visual artifacts appearing in media
After attending a lecture by José Escamilla, UFO investigator Robert Sheaffer wrote that "some of his 'rods' were obviously insects zipping across the
Rod_(optical_phenomenon)
Open space in Sheffield, England
Sheaf Square is a municipal square lying immediately east of the city centre of Sheffield, England. The sides of the square are lined with major buildings:
Sheaf_Square
Manifold upon which it is possible to perform calculus
charts and atlases). Third, the sheaf OM is not manifestly a sheaf of functions at all. Rather, it emerges as a sheaf of functions as a consequence of
Differentiable_manifold
American manufacturer of writing instruments
Ohto Paper Mate Parker Pelikan Pierre Cardin Pilot Reynolds Sailor Sakura Sheaffer Stabilo Scripto Staedtler Tombow TOZ Penkala Uni-ball Yard-O-Led Zebra
Sharpie_(marker)
SHEAFFER
SHEAFFER
SHEAFFER
SHEAFFER
Girl/Female
Hindu
Short name of Malavika
Surname or Lastname
English
English : variant of Greenway.Americanized form of Dutch Groeneweg.
Boy/Male
Anglo Saxon
Fighter.
Biblical
ploughing plough or till
Girl/Female
Arabic, Muslim
Powerful; Straight
Girl/Female
Hindu, Indian
Liberated
Girl/Female
Indian
Boy/Male
Tamil
Tempest, Commotion
Boy/Male
Hindu
The formless Lord
Girl/Female
Australian, British, English, Greek
Seer; Oracle
SHEAFFER
SHEAFFER
SHEAFFER
SHEAFFER
SHEAFFER