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when toggle format what by license comment
Jan 24, 2020 at 14:18 answer added Danny Ruberman timeline score: 2
Jan 23, 2020 at 14:49 history edited student CC BY-SA 4.0
added 3 characters in body
Jan 23, 2020 at 12:13 comment added Igor Belegradek I would look at Wall's book (search for "multisignature" in the index) and also Wall's paper "On the classification of hermitian forms VI. Group rings".
Jan 23, 2020 at 9:32 history asked student CC BY-SA 4.0