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Coupling Information Transmission with an Approximate Message Passing Receiver
Spatial graph coupling has been immensely successful in the field of error correcting codes. Motivated by this success the coupling approach has been implemented for more general communication formats, including multiple-access ...
Degenerate Kundt Spacetimes and the Equivalence Problem
This thesis is mainly focused on the equivalence problem for a subclass of Lorentzian manifolds: the degenerate Kundt spacetimes. These spacetimes are not defined uniquely by their scalar curvature invariants. To prove two ...