Medal Details

gave urbanderivative a medal for urbanderivative's answer to
Show that R={( a 0 / b c)}  a,b, c are elements of Z} i a ring with identi…
Wed Apr 17 15:51:26 UTC 2013

gave urbanderivative a medal for urbanderivative's answer to
show that q /(x^22) is not isomorphic to q /(x^23)
Fri Mar 29 15:40:47 UTC 2013

gave urbanderivative a medal for urbanderivative's answer to
consider a tank used in certain hydrodynamic experiments. after one experim…
Mon Dec 10 07:46:57 UTC 2012

gave urbanderivative a medal for urbanderivative's answer to
We say two colorings c and c' are equivalent if one can be moved to the oth…
Wed Mar 14 00:51:19 UTC 2012

gave urbanderivative a medal for urbanderivative's answer to
integral question:
…
Wed Jun 22 04:06:50 UTC 2011