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Sep 29, 2015 at 14:14 comment added Fabio @Survit Hi Survit, I can rewrite it as $\sum_{p=1}^{\infty} ||A^{\circ p}J- JA^{\circ p} ||_{F}^{2}$. Thanks.
Sep 29, 2015 at 14:11 comment added Fabio @GeoffRobinson Hi Geoff, the matrix A should be coming from a multiplication table of a group.
Sep 29, 2015 at 0:42 comment added Suvrit Could you rewrite the equivalent problem formally. Is it of the form $\sum_{p \ge 1} \|[A^{\circ p}-J]\|^2$?
Sep 28, 2015 at 23:42 comment added Geoff Robinson I am curious to know why this has a "finite groups" tag?
Sep 28, 2015 at 20:04 history edited Fabio CC BY-SA 3.0
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Sep 28, 2015 at 18:18 review First posts
Sep 28, 2015 at 18:20
Sep 28, 2015 at 18:17 history asked Fabio CC BY-SA 3.0