- In
algebraic geometry, a
prestack F over a
category C
equipped with some
Grothendieck topology is a
category together with a
functor p: F → C satisfying...
- the
following are the most important:
anisotropic parameter estimation,
prestack depth anisotropy migration, and
fracture characterization based on anisotropy...
- X,i=1,...,m} .
There is an
analog of a Ran
space for a scheme: the Ran
prestack of a quasi-projective
scheme X over a
field k,
denoted by Ran ( X ) {\displaystyle...
- of
canonical maps or
canonical isomorphisms; for a
typical example, see
prestack. For a
discussion of the
problem of
defining a
canonical map see Kevin...
- doi:1029/2005/B003835. Pisani, P., Reshef, M., Moore, G., 2005,
Targeted 3-D
prestack depth imaging at Legs 190-196 ODP
drill sites (Nankai Trough, ****an), Geophysical...
-
seismic applications such as
velocity estimation, wavefield-continuation
prestack migration,
multidimensional image estimation, and 4-D (time-lapse) reservoir...
- stacks,
rather than of
prestacks. The
category c is
called a
stack over the
category C with a
Grothendieck topology if it is a
prestack over C and
every descent...
- base
forms a stack. Conversely, a
prestack can be
stackified by
taking the
category of
torsors (over the
prestack). If G {\displaystyle G} is a connected...
- in this area: (the
prestack of quasi-coherent
sheaves over a
scheme S
means that, for any S-scheme X, each X-point of the
prestack is a quasi-coherent...
- of groupoids. This way, each
groupoid object determines a
prestack in groupoids. This
prestack is not a
stack but it can be
stackified to
yield a stack...
