-
there exists a
symmetry of the
polyhedron mapping the
first isometrically onto the second. Thus,
although all the
vertices of a
pseudo-uniform polyhedron...
- up as a
lower pyritohedral symmetry, and is
called a snub octahedron, snub tetratetrahedron, snub tetrahedron, and
pseudo-icosahedron. This can be seen...
- they are
called pseudo-Goldstone
bosons or
pseudo–Nambu–Goldstone bosons. Goldstone's
theorem examines a
generic continuous symmetry which is spontaneously...
-
symmetry of the
corresponding quantum fields, and in a
general setting, a
symmetry in (
pseudo-)Riemannian geometry. In all
three cases, the
symmetry is...
- to the
class of
pseudo-Hermitian Hamiltonians. In 2003, it was
proven that in
finite dimensions, PT-
symmetry is
equivalent to
pseudo-Hermiticity regardless...
-
possess point symmetry (also
called inversion symmetry or
central symmetry). A
point group including a
point reflection among its
symmetries is
called centrosymmetric...
-
called a
Killing field),
named after Wilhelm Killing, is a
vector field on a
pseudo-Riemannian
manifold that
preserves the
metric tensor.
Killing vector fields...
-
states of
appropriate symmetry. "The
pseudo Jahn–Teller
effect is the only
source of
instability and
distortions of high-
symmetry configurations of polyatomic...
- the
pseudo great rhombicuboctahedron is one of the two
pseudo uniform polyhedra, the
other being the
convex elongated square gyrobicupola or
pseudo rhombicuboctahedron...
- (2002).
International Tables for Crystallography,
Volume A:
Space Group Symmetry.
International Tables for Crystallography. Vol. A (5th ed.). Berlin, New...