-- -*- M2-comint -*- {* hash: -165032171 *} i1 : R = QQ[a..d]; i2 : I = ideal(a*c-b^2,a*d-b*c,b*d-c^2); o2 : Ideal of R i3 : isStable(3,I) LP algorithm being used: "cddgmp". polymake: WARNING: directory /Users/dan/.polymake created for keeping personal user settings polymake: used package cddlib Implementation of the double description method of Motzkin et al. Copyright by Komei Fukuda. http://www.ifor.math.ethz.ch/~fukuda/cdd_home/cdd.html VERTICES 1 9 6 6 9 1 9 3 12 6 1 7 5 14 4 1 5 8 14 3 1 3 12 12 3 1 6 12 3 9 1 4 14 5 7 1 3 14 8 5 LP algorithm being used: "cddgmp". polymake: used package cddlib Implementation of the double description method of Motzkin et al. Copyright by Komei Fukuda. http://www.ifor.math.ethz.ch/~fukuda/cdd_home/cdd.html VERTICES 1 9 6 6 9 1 9 3 12 6 1 7 5 14 4 1 5 8 14 3 1 3 12 12 3 1 6 12 3 9 1 4 14 5 7 1 3 14 8 5 o3 = true i4 : I = ideal(a^2,b^2,b*c); o4 : Ideal of R i5 : isStable(3,I) LP algorithm being used: "cddgmp". polymake: used package cddlib Implementation of the double description method of Motzkin et al. Copyright by Komei Fukuda. http://www.ifor.math.ethz.ch/~fukuda/cdd_home/cdd.html VERTICES 1 11 13 6 3 LP algorithm being used: "cddgmp". polymake: used package cddlib Implementation of the double description method of Motzkin et al. Copyright by Komei Fukuda. http://www.ifor.math.ethz.ch/~fukuda/cdd_home/cdd.html VERTICES 1 33/4 33/4 33/4 33/4 1 11 13 6 3 o5 = false i6 :