Why is $res(Gamma(s)x^-szeta(2s)|s=frac12) = fracGamma(frac12)2x^frac12$?Complex integral with zetaComputing $lim_s to 1 Gamma left(frac1-s2right) (s-1)$Integrating $frac11+z^3$ over a wedge to compute $int_0^infty fracdx1+x^3$.If $f$ has pole of order $m$, then $textresleft(f,z_0right)=lim_zto z_0frac1(m-1)!left(z-z_0)^mf(z)right^(m-1)$Singularities of zeta functionResidues of the product of the gamma and zeta functions.Finding the singularities and residues of a Gamma/Riemann Zeta function.Residue Calculus: Compute $int_gamma(0,1) frace^az(a+z)^2dz$complex analysis- simple poles of the gamma functionFind the residue of $fraczeta'(1+s)zeta(1+s)fracx^ss$ at $s=0$

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Why is $res(Gamma(s)x^-szeta(2s)|s=frac12) = fracGamma(frac12)2x^frac12$?


Complex integral with zetaComputing $lim_s to 1 Gamma left(frac1-s2right) (s-1)$Integrating $frac11+z^3$ over a wedge to compute $int_0^infty fracdx1+x^3$.If $f$ has pole of order $m$, then $textresleft(f,z_0right)=lim_zto z_0frac1(m-1)!left(z-z_0)^mf(z)right^(m-1)$Singularities of zeta functionResidues of the product of the gamma and zeta functions.Finding the singularities and residues of a Gamma/Riemann Zeta function.Residue Calculus: Compute $int_gamma(0,1) frace^az(a+z)^2dz$complex analysis- simple poles of the gamma functionFind the residue of $fraczeta'(1+s)zeta(1+s)fracx^ss$ at $s=0$













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Why is $res(Gamma(s)x^-szeta(2s)|s=frac12) = fracGamma(frac12)2x^frac12$?



where res means the residue of the function?



I know $zeta(s)$ has a pole at $s=1$ but i can't see where the factor of a $frac12$ comes from in the answer










share|cite|improve this question









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    0












    $begingroup$


    Why is $res(Gamma(s)x^-szeta(2s)|s=frac12) = fracGamma(frac12)2x^frac12$?



    where res means the residue of the function?



    I know $zeta(s)$ has a pole at $s=1$ but i can't see where the factor of a $frac12$ comes from in the answer










    share|cite|improve this question









    $endgroup$














      0












      0








      0





      $begingroup$


      Why is $res(Gamma(s)x^-szeta(2s)|s=frac12) = fracGamma(frac12)2x^frac12$?



      where res means the residue of the function?



      I know $zeta(s)$ has a pole at $s=1$ but i can't see where the factor of a $frac12$ comes from in the answer










      share|cite|improve this question









      $endgroup$




      Why is $res(Gamma(s)x^-szeta(2s)|s=frac12) = fracGamma(frac12)2x^frac12$?



      where res means the residue of the function?



      I know $zeta(s)$ has a pole at $s=1$ but i can't see where the factor of a $frac12$ comes from in the answer







      complex-analysis pde residue-calculus zeta-functions






      share|cite|improve this question













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      share|cite|improve this question




      share|cite|improve this question










      asked Mar 21 at 12:20









      pablo_mathscobarpablo_mathscobar

      1167




      1167




















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          $begingroup$

          $frac12s-1=frac12frac1s-frac12$ as the residue is computed at $frac12$ not at $1$






          share|cite|improve this answer









          $endgroup$













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            $begingroup$

            $frac12s-1=frac12frac1s-frac12$ as the residue is computed at $frac12$ not at $1$






            share|cite|improve this answer









            $endgroup$

















              1












              $begingroup$

              $frac12s-1=frac12frac1s-frac12$ as the residue is computed at $frac12$ not at $1$






              share|cite|improve this answer









              $endgroup$















                1












                1








                1





                $begingroup$

                $frac12s-1=frac12frac1s-frac12$ as the residue is computed at $frac12$ not at $1$






                share|cite|improve this answer









                $endgroup$



                $frac12s-1=frac12frac1s-frac12$ as the residue is computed at $frac12$ not at $1$







                share|cite|improve this answer












                share|cite|improve this answer



                share|cite|improve this answer










                answered Mar 21 at 15:15









                ConradConrad

                1,32745




                1,32745



























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