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when toggle format what by license comment
Jul 15, 2019 at 17:30 comment added Nik Weaver @DavidHandelman: would you please post your comment as an answer? The answer given above is ridiculous overkill for the given question.
Jul 15, 2019 at 16:58 comment added David Handelman Simpler is $C \times C $ embedded in $2 \times 2$ matrices over $C$ ($C$ = complexes).
Jul 15, 2019 at 15:46 history edited Martin Sleziak CC BY-SA 4.0
minor typo
Jul 15, 2019 at 15:40 history answered InfiniteLooper CC BY-SA 4.0