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 Apr20 awarded Nice Question Jul2 awarded Curious Jul2 awarded Inquisitive May18 awarded Yearling Apr23 awarded Popular Question Jun6 accepted Counting the number of elements in the set $\{ x^{13n}:n \mbox{ is a positive integer}\}$ under certain conditions Jun6 comment Counting the number of elements in the set $\{ x^{13n}:n \mbox{ is a positive integer}\}$ under certain conditions @Zen Thank you. Things are not that clear right now but I'll keep thinking about this question. Jun6 comment Counting the number of elements in the set $\{ x^{13n}:n \mbox{ is a positive integer}\}$ under certain conditions @Zen thanks for the hints. Rather than one of them being the identity, why can't one of them equal another? Jun6 asked Counting the number of elements in the set $\{ x^{13n}:n \mbox{ is a positive integer}\}$ under certain conditions Jun6 accepted Weighted initial ideal versus lex or graded reverse lex initial ideal May18 awarded Yearling Nov3 accepted $GL_2(\mathbb{C})$-invariant ring for $M_2(\mathbb{C})\times M_2(\mathbb{C})$ Nov3 accepted Why is it that $\mathbb{C}[\{m_{ij}\}]^{G} \subseteq \mathbb{C}[\textrm{tr}(m),\ldots, \det(m)]$? Sep30 asked $GL_2(\mathbb{C})$-invariant ring for $M_2(\mathbb{C})\times M_2(\mathbb{C})$ Sep29 revised Why is it that $\mathbb{C}[\{m_{ij}\}]^{G} \subseteq \mathbb{C}[\textrm{tr}(m),\ldots, \det(m)]$? If the original question dealing with the general case is too hard, just wanted to see if anyone can provide an insight on a specific case. Sep29 asked Why is it that $\mathbb{C}[\{m_{ij}\}]^{G} \subseteq \mathbb{C}[\textrm{tr}(m),\ldots, \det(m)]$? Sep25 comment Understanding Jordan blocks all in the same $GL_n(\mathbb{C})$-conjugacy class Thank you joriki! Sep25 accepted Understanding Jordan blocks all in the same $GL_n(\mathbb{C})$-conjugacy class Sep25 comment Understanding Jordan blocks all in the same $GL_n(\mathbb{C})$-conjugacy class Thank you @QiaochuYuan for confirming this! Sep25 asked Understanding Jordan blocks all in the same $GL_n(\mathbb{C})$-conjugacy class