- reducible, an
affine algebraic set.
Quadrics may also be
defined in
projective spaces; see § Normal form of
projective quadrics, below. In
coordinates x1, x2...
-
supercomputers in the
world were
based on
Quadrics' interconnect. They
officially closed on June 29, 2009. The
Quadrics name was
first used in 1993 for a commercialized...
- group, and so the
study of
quadrics can be
considered as a
descendant of
Euclidean geometry. Many
properties of
quadrics hold more
generally for projective...
- of
quadrics is
contour lines of
quadrics. In any case (parallel or
central projection), the
contour lines of
quadrics are
conic sections. See
below and...
-
manifold known as the Lie
quadric (a
quadric hypersurface in
projective space). Lie
sphere geometry is the
geometry of the Lie
quadric and the Lie transformations...
-
physicist J. C.
Maxwell (1868). Main
investigations and the
extension to
quadrics was done by the
German mathematician O.
Staude in 1882, 1886 and 1898....
- }}x_{d}{\text{-axis}}\}}
These two
examples are
quadrics and are
projectively equivalent.
Simple examples,
which are not
quadrics can be
obtained by the
following constructions:...
-
divided into
minimal surfaces,
ruled surfaces, non-orientable surfaces,
quadrics,
pseudospherical surfaces,
algebraic surfaces, and
other types of surfaces...
- 5-space, the
points that
represent each line in S lie on a
quadric, Q
known as the
Klein quadric. If the
underlying vector space of S is the 4-dimensional...
-
leading to the
definition of the
focal curves of
confocal quadrics. See § Confocal
quadrics below.
Considering the
pencils of
confocal ellipses and hyperbolas...
