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\def\course{MAT 324}
\def\semester{Fall 2006}

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{\bf  PROBLEM SET 6 - Fourier Series}
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\begin{enumerate}

\item Define Fourier series

\item Define Dirichlet kernel

\item Show trig sums are dense in continuous functions, 
      hence dense in $L^2$.

\item Show the Fourier series converge in $L^2$
 
\end{enumerate}

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