introduction to Fourier series and prove Riemann Lebesgue lemma

introduction to Fourier series and prove Riemann Lebesgue lemma
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In this video, I give a short introduction to the Fourier series and prove Riemann Lebesgue lemma

0:00 start
4:44 define the orthogonal and orthonormal basis
9:00 prove the Riemann Lebesgue lemma

Advanced mathematics list:

Group representation for finite group

exact sequences

Ring theory lecture

group theory lecture

Category theory

Field theory in abstract algebra

Mathematical analysis

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