Mathematical Research Letters

Volume 7 (2000)

Number 4

A proof of boundedness of the Carleson operator

Pages: 361 – 370



Michael Lacey (Georgia Institute of Technology)

Christoph Thiele (University of California at Los Angeles)


We give a simplified proof that the Carleson operator is of weak type $(2,2)$. This estimate is the main ingredient in the proof of Carleson’s theorem on almost everywhere convergence of Fourier series of functions in $L^2([0,1])$.

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