2014-01-18 09:24:59 +0200 | commented answer | Mysterious behavior for quotient rings and cover() I guess when I wrote that I didn't understand it, I really meant: how can it be acceptable that a polynomial ring in one variable is not an instance of a polynomial ring in n variables? |

2014-01-18 09:07:36 +0200 | received badge | ● Student (source) |

2014-01-18 08:49:36 +0200 | asked a question | Mysterious behavior for quotient rings and cover() I don't understand this: -- returns Tbar However: -- returns an error. |

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