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Jun 26, 2013 at 15:27 history edited Neil Strickland CC BY-SA 3.0
Fixed LaTeX
Jun 6, 2011 at 12:26 comment added Vivek Shende You can also see Sandor's B is not Gorenstein by observing that dim (as a vector space) C[[t]]/B = m+r-2 and dim B / Conductor = 2. For the ring to be Gorenstein these must be equal, and $m \ge r \ge 3$ ensures this cannot happen.
Feb 14, 2011 at 19:24 vote accept Dmitry Kerner
Feb 14, 2011 at 19:24 vote accept Dmitry Kerner
Feb 14, 2011 at 19:24
Feb 12, 2011 at 19:26 history edited Karl Schwede CC BY-SA 2.5
added 100 characters in body
Feb 12, 2011 at 18:37 history edited Karl Schwede CC BY-SA 2.5
deleted 11 characters in body
Feb 12, 2011 at 14:50 history answered Karl Schwede CC BY-SA 2.5