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A Mordell Inequality for Lattices over Maximal Orders
Published 14 Oct 2008 in math.MG, cs.IT, math.IT, and math.NT | (0810.2336v5)
Abstract: In this paper we prove an analogue of Mordell's inequality for lattices in finite-dimensional complex or quaternionic Hermitian space that are modules over a maximal order in an imaginary quadratic number field or a totally definite rational quaternion algebra. This inequality implies that the 16-dimensional Barnes-Wall lattice has optimal density among all 16-dimensional lattices with Hurwitz structures.
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