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On Coherence And The Geometry Of Certain Families Of Lattices, David Booth Kogan
On Coherence And The Geometry Of Certain Families Of Lattices, David Booth Kogan
CGU Theses & Dissertations
The coherence of a lattice is, roughly speaking, a measure of non-orthogonality of its minimal vectors. It was introduced to lattices (by analogy with frame theory) by L. Fukshansky and others as a possible route to gaining insight into packing density, a central problem in lattice theory. In this work, we introduce the related measure of average coherence, explore connections between packing density and coherence, and prove several properties of certain families of lattices, most notably nearly orthogonal lattices, cyclotomic lattices, and cyclic lattices.