Fourier analysis
harmonic analysis

The resulting theory is a central part of harmonic analysis.

These techniques are now basic in abstract harmonic analysis and representation theory.

Their investigations have played a fundamental role in modern harmonic analysis.

He has also made important contributions to various topics in harmonic analysis.

Their study is a relatively pure branch of harmonic analysis.

His contributions include work in harmonic analysis and differential equations.

Analysis on these and other groups is called harmonic analysis.

This result is of fundamental importance in such fields as harmonic analysis.

Some deep results in complex geometry are obtained with the aid of harmonic analysis.

This general area of inquiry is now sometimes called harmonic analysis.