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D.6.14.1 isTame

Procedure from library gmspoly.lib (see gmspoly_lib).

Usage:
isTame(f); poly f

Assume:
basering has no variables named w(1),w(2),...

Return:
 
int k=
  1;  if f is tame in the sense of Broughton [Bro88,3]
  0;  if f is not tame

Remarks:
procedure implements Proposition 3.1 in [Bro88]

Example:
 
LIB "gmspoly.lib";
ring R=0,(x,y),dp;
isTame(x2y+x);
==> 0
isTame(x3+y3+xy);
==> 1

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