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Macaulay2 web site
Divisor
::
KnownCartier
KnownCartier -- An option used to specify to certain functions that we know that the divisor is Cartier.
Description
If true, then some functions will not check whether or not the divisor is Cartier, they will assume it is and proceed.
Functions with optional argument named KnownCartier :
mapToProjectiveSpace(..., KnownCartier => ...), see
mapToProjectiveSpace
-- Calculate the double dual of an ideal
For the programmer
The object
KnownCartier
is
a
symbol
.