- {\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...
-
vector space,
while one not
having an
orientation selected, is
called unoriented. In mathematics,
orientability is a
broader notion that, in two dimensions...
-
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...
- 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...
-
cobordism classes of
manifolds of
dimension n. One can also
define an
unoriented cobordism ring,
denoted by Ω ∗ O {\displaystyle \Omega _{*}^{O}} . If...
-
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...
- {1}{1+e^{\ell (\gamma )}}}={\frac {1}{2}}}
where the sum is over all (
unoriented)
simple closed geodesics γ on the torus; and ℓ(γ)
denotes the hyperbolic...
- In a
cyclic order, such as the real
projective line, two
pairs of
points separate each
other when they
occur alternately in the order. Thus the ordering...
-
unoriented incidence matrix of a
bipartite graph,
which is the
coefficient matrix for
bipartite matching, is
totally unimodular (TU). (The
unoriented...
