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7.7.6.0. ivSickle
Procedure from library fpadim.lib (see fpadim_lib).
- Usage:
- ivSickle(L,n,[degbound]); L a list of intmats, n an int, degbound an
optional integer
- Return:
- list, containing intvecs, the mistletoes of A/<L>
- Purpose:
- Computing the mistletoes for a given Groebner basis L, given by intmats
- Assume:
- - basering is a Letterplace ring.
- all rows of each intmat correspond to a Letterplace monomial
as explained in the overview
- if you specify a different degree bound degbound,
degbound <= attrib(basering,uptodeg) should hold.
- Note:
- - If degbound is set, a degree bound will be added. By default there
is no degree bound.
- n is the number of variables.
- If the K-dimension is known to be infinite, a degree bound is needed
Example:
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