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A longstanding problem in Gabor theory is to identify time-frequency shifting lattices aZ×bZ and ideal window functions χI on intervals I of length c such tha
Excursions in Harmonic Analysis, Volume 3
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This volume consists of contributions spanning a wide spectrum of harmonic analysis and its applications written by speakers at the February Fourier Talks from
Topologically Protected States in One-Dimensional Systems
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The authors study a class of periodic Schrodinger operators, which in distinguished cases can be proved to have linear band-crossings or ``Dirac points''. They
Rationality Problem for Algebraic Tori
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The authors give the complete stably rational classification of algebraic tori of dimensions and over a field . In particular, the stably rational classificatio
Maximal Cohen-Macaulay Modules Over Non-Isolated Surface Singularities and Matrix Problems
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In this article the authors develop a new method to deal with maximal Cohen–Macaulay modules over non–isolated surface singularities. In particular, they gi