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3-fold

3-fold is a tautogram (all words start with the same letter). View more tautograms!

Explanation

3-fold: In algebraic geometry, a 3-fold or threefold is a 3-dimensional algebraic variety.

Printed dictionaries and other books with definitions for 3-fold

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Google previewTopology and Geometry (2002)

Commemorating SISTAG : Singapore International Symposium in Topology and Geometry, (SISTAG) July 2-6, 2001, National University of Singapore, Singapore by A. Jon Berrick, Man Chun Leung, Xingwang Xu

and generalises them to indecomposable Gorenstein Fano 3-folds (see below for explanation). DEFINITION 2.1. A nonsingular Fano 3-fold is a nonsingular irreducible projective variety of dimension 3 with ample –Ky. Likewise, a Gorenstein ...

Google previewQuasiconformal Mappings and Analysis (2012)

A Collection of Papers Honoring F.W. Gehring by Peter Duren, Juha Heinonen, Brad Osgood, Bruce Palka

hyperbolic 3-fold is a topological invariant. Because...

Google previewA Theory of Generalized Donaldson-Thomas Invariants (2012)

by Dominic D. Joyce, Yinan Song

4, a Calabi–Yau 3-fold is a smooth projective 3-fold X over K, with trivial canonical bundle KX. Fix a very ample line bundle OX (1) on X, and let (τ, G,⩽) ...

Google previewLectures on Geometry (2017)

by Edward Witten, Martin Bridson, Helmut Hofer, Marc Lackenby, Rahul Pandharipande

Calabi–Yau 3-folds A Calabi–Yau 3-fold is a non-singular projective variety1 X of dimension 3 with trivial first Chern class ∧3TX ∼= OX. Often the triviality of ...

Google previewEncyclopedia of toxicology (2005)

Dib-L] by Philip Wexler, Bruce D. Anderson

malate dehydrogenase (2–3-fold), phosphoglucose isomerase (2–3-fold), glutathione ...

Google previewA Dictionary of Earth Sciences (1976)

by S.E. Stiegeler

triad (3-fold), tetrad (4-fold), and hexad (6fold ) axes respectively (fig. 2). 3. centre of symmetry—a central point about which every face and edge of a crystal is matched by one parallel to it on the opposite ...

Google previewConcise Dictionary of Materials Science (2002)

Structure and Characterization of Polycrystalline Materials by Vladimir Novikov

two perpendicular mirror planes; tetragonal, a single 4-fold axis or a rotationinversion axis; rhombohedral, a single 3-fold axis or a rotation-inversion axis; hexagonal, a single 6-fold axis or a rotation-inversion axis; and cubic, four 3 -fold axes.

Google previewEncyclopedia of Cancer (2011)

by Manfred Schwab

5- to 3-fold in overweight and obese individuals. The > incidence rates of adenocarcinoma of the esophagus and gastric cardia have been rapidly increasing in developed countries over the last ...

Google previewThe Facts on File Dictionary of Earth Science (2009)

by Jacqueline Smith

triad hexadaxisofrotationsymmetry (3-fold), tetrad(4-fold), and hexad (6-fold) planesof Fig.1 axes respectively(fig.2). 3.center of sym- symmetry Fig.2 metry – a central point aboutwhichevery ...

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Quotes about 3-fold

Old is gold
Gold never old.

I gaze at you
And you become
Fold and fold.

I gaze at you
You and I
Cast in the same mould. (Gajanan Mishra)
more quotes about 3-fold...

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