### Orthogonality defect and coherence of cyclotomic lattices (Lenny Fukshansky, CMC)

Davidson Lecture Hall, CMC 340 E 9th St, Claremont, CA, United StatesThere are two different measures of how far a given Euclidean lattice is from being orthogonal -- the orthogonality defect and the average coherence. The first of these comes from the study of sphere packing while the second is motivated by frame theory, but both of them have applications in digital communications, especially in coding […]