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Mahdi Cheraghchi isÌý an Associate Professor of Computer Science and Engineering at theÌý Ìýof theÌý . Previously, he has been on the faculty of theÌý ,Ìý Ìý(where he maintains a Visiting Reader position), aÌý Ìýat theÌý ÌýofÌý Ìýand post-doctoral scholar at theÌýÌýÌý(hosted byÌý ),Ìý Ìýof theÌý Ìý(hosted byÌý ) and theÌý Ìý(hosted byÌý).

Mahdi Cheraghchi is mainly interested inÌý , or more specifically:

• Interconnections between electrical engineering and theoretical computer science (particularly coding and information theory and signal processing),

• Sparse recovery (e.g., compressive sensing and combinatorial group testing) and high-dimensional geometry,

• Information-theoretic privacy and security,

• The use of randomness in computation, and how to do things equally well without using randomness,

• Approximation algorithms and hardness of approximation.