Harold Widom’s work in Toeplitz operators

Basor, Estelle; Böttcher, Albrecht; Ehrhardt, Torsten

doi:10.1090/bull/1758

Harold Widom’s work in Toeplitz operators
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by Estelle Basor, Albrecht Böttcher and Torsten Ehrhardt HTML | PDF

Bull. Amer. Math. Soc. 59 (2022), 175-190 Request permission

Abstract:

This is a survey of Harold Widom’s work in Toeplitz operators, embracing his early results on the invertibility and spectral theory of Toeplitz operators, his investigations of the eigenvalue distribution of convolution operators, and his groundbreaking research into Toeplitz and Wiener–Hopf determinants.

References

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