- of
orbifold groupoid is
particularly useful when
discussing non-effective
orbifolds and maps
between orbifolds. For example, a map
between orbifolds can...
- When the full set of
possible orbifolds is
enumerated it is
found that only 17 have
Euler characteristic 0. When an
orbifold replicates by
symmetry to fill...
- by
their Euler characteristic are:
Mutation of
orbifolds Fibrifold notation - an
extension of
orbifold notation for 3d
space groups Symmetries of Things...
-
expressed progressive sequences of
uniform tilings within symmetry families.
Orbifolds with the same
structure can be
mutated between different symmetry classes...
-
formula Dixon, L.; Harvey, J. A.; Vafa, C.; Witten, E. (1985). "Strings on
orbifolds" (PDF).
Nuclear Physics B. 261: 678–686. doi:10.1016/0550-3213(85)90593-0...
- S 1 {\displaystyle S^{1}} -bundle (circle bundle) over a 2-dimensional
orbifold. Many 3-manifolds are
Seifert fiber spaces, and they
account for all compact...
-
manifolds comes from
orbifolds (see
Euler characteristic of an
orbifold).
While every manifold has an
integer Euler characteristic, an
orbifold can have a fractional...
- "The
cohomology ring of
crepant resolutions of
orbifolds", Gromov-Witten
theory of spin
curves and
orbifolds, Contemp. Math., vol. 403, Providence, R.I.:...
-
Coxeter group [7,3],
orbifold (*732)
contains these uniform tilings: The (8 3 2)
triangle group,
Coxeter group [8,3],
orbifold (*832)
contains these...
- 17
compact 2-dimensional
orbifolds with flat
metric (including the
torus and
Klein bottle),
listed in the
article on
orbifolds, that
correspond to the...