infinite sum: $sum_{m=1}^{infty}frac{sin^2(frac{mpi}{gamma_n})}{(m^2-n^2gamma_n^2)^2}$











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The problem I'm working on is finding the following infinite sum:



$$sum_{m=1}^{infty}frac{sin^2(frac{mpi}{gamma_n})}{(m^2-n^2gamma_n^2)^2}$$



where $ninmathbb{N}^+$ (i.e. a positive natural number) and $gamma_n=1+frac{1}{4}cos(n)$










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  • $n$ is fixed? ${}$
    – Clayton
    yesterday










  • n can be any positive natural number, but yes, as far as the sum over m is concerned, its some fixed number
    – Michael Cloud
    yesterday












  • @Michael Cloud Do you accept solution what consists of Lerch-transcendents?
    – JV.Stalker
    10 hours ago















up vote
0
down vote

favorite












I've been told to repost this.



The problem I'm working on is finding the following infinite sum:



$$sum_{m=1}^{infty}frac{sin^2(frac{mpi}{gamma_n})}{(m^2-n^2gamma_n^2)^2}$$



where $ninmathbb{N}^+$ (i.e. a positive natural number) and $gamma_n=1+frac{1}{4}cos(n)$










share|cite|improve this question
























  • $n$ is fixed? ${}$
    – Clayton
    yesterday










  • n can be any positive natural number, but yes, as far as the sum over m is concerned, its some fixed number
    – Michael Cloud
    yesterday












  • @Michael Cloud Do you accept solution what consists of Lerch-transcendents?
    – JV.Stalker
    10 hours ago













up vote
0
down vote

favorite









up vote
0
down vote

favorite











I've been told to repost this.



The problem I'm working on is finding the following infinite sum:



$$sum_{m=1}^{infty}frac{sin^2(frac{mpi}{gamma_n})}{(m^2-n^2gamma_n^2)^2}$$



where $ninmathbb{N}^+$ (i.e. a positive natural number) and $gamma_n=1+frac{1}{4}cos(n)$










share|cite|improve this question















I've been told to repost this.



The problem I'm working on is finding the following infinite sum:



$$sum_{m=1}^{infty}frac{sin^2(frac{mpi}{gamma_n})}{(m^2-n^2gamma_n^2)^2}$$



where $ninmathbb{N}^+$ (i.e. a positive natural number) and $gamma_n=1+frac{1}{4}cos(n)$







sequences-and-series






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share|cite|improve this question













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share|cite|improve this question








edited yesterday

























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Michael Cloud

816




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  • $n$ is fixed? ${}$
    – Clayton
    yesterday










  • n can be any positive natural number, but yes, as far as the sum over m is concerned, its some fixed number
    – Michael Cloud
    yesterday












  • @Michael Cloud Do you accept solution what consists of Lerch-transcendents?
    – JV.Stalker
    10 hours ago


















  • $n$ is fixed? ${}$
    – Clayton
    yesterday










  • n can be any positive natural number, but yes, as far as the sum over m is concerned, its some fixed number
    – Michael Cloud
    yesterday












  • @Michael Cloud Do you accept solution what consists of Lerch-transcendents?
    – JV.Stalker
    10 hours ago
















$n$ is fixed? ${}$
– Clayton
yesterday




$n$ is fixed? ${}$
– Clayton
yesterday












n can be any positive natural number, but yes, as far as the sum over m is concerned, its some fixed number
– Michael Cloud
yesterday






n can be any positive natural number, but yes, as far as the sum over m is concerned, its some fixed number
– Michael Cloud
yesterday














@Michael Cloud Do you accept solution what consists of Lerch-transcendents?
– JV.Stalker
10 hours ago




@Michael Cloud Do you accept solution what consists of Lerch-transcendents?
– JV.Stalker
10 hours ago















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