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NishMath

@mathoverflow.net - 26d
Researchers are delving into advanced mathematical analysis, focusing on the intricacies of Fourier series and transforms. A key area of investigation involves determining the precise solutions for complex analytical problems. This includes using Fourier analysis to find the exact values of infinite sums, and finding closed-form expressions for integrals. Specifically, they are working with a specific function involving cotangent and an indicator function, applying Fourier transforms to unravel its integral form and also finding the value of sums such as $\sum_{m=-\infty}^\infty \frac{(-1)^m}{(2m-3)(2m-1)(2m+1)}$ and $\sum_{n=0}^\infty \frac{1}{(2n+1)^2}$ using Fourier series techniques.

The research further examines how Fourier analysis enhances understanding of infinite series and integral transformations by looking at the convergence of Fourier series using Dirichlet and Fejér kernels. This exploration demonstrates how Fourier techniques can be used to solve analytical problems. They are also studying the minimization of the total of tails of the Fourier transform of functions that have compact support. This work aims to enhance the use of Fourier analysis in complex mathematical problems.

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