-
vector space,
while one not
having an
orientation selected, is
called unoriented. In mathematics,
orientability is a
broader notion that, in two dimensions...
- {\displaystyle \chi (M)\in \mathbb {Z} }
modulo 2 of an
unoriented manifold M is an
unoriented cobordism invariant. This is
implied by the
equation χ ∂...
-
undirected graph has two
kinds of
incidence matrices:
unoriented and oriented. The
unoriented incidence matrix (or
simply incidence matrix) of an undirected...
-
orthogonal group)
Coefficient ring: π*(MO) is the ring of
cobordism classes of
unoriented manifolds, and is a
polynomial ring over the
field with 2
elements on...
-
distinguishes the
string from one with the
opposite orientation. By contrast, an
unoriented string is one with no such
arrow on it.
Cosmic strings Elementary particle...
-
unoriented incidence matrix of a
bipartite graph,
which is the
coefficient matrix for
bipartite matching, is
totally unimodular (TU). (The
unoriented...
- is m=2ab-a-b. A
typical algorithm to
solve the
leader election in an
unoriented mesh is to only
elect one of the four
corner nodes as the leader. Since...
- closed,
unoriented tachyon, graviton,
dilaton Closed,
oriented tachyon, graviton, dilaton,
antisymmetric tensor, U(1)
vector boson Closed,
unoriented tachyon...
-
construction to
extend WZW
models to
unoriented surfaces and, more generally, the
global Kalb–Ramond
coupling to
unoriented strings. More
details can be found...
-
Characteristic numbers solve the
oriented and
unoriented bordism questions: two
manifolds are (respectively
oriented or
unoriented)
cobordant if and only if
their characteristic...