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General methods from [3] are applied to give good upper bounds on the Euclidean minimum of real quadratic fields and totally real cyclotomic fields of prime power discriminant.

- E. Bayer-Fluckiger, Frédérique E. Oggier, Emanuele Viterbo
- IEEE Trans. Information Theory
- 2004

- E. Bayer-Fluckiger, Frédérique E. Oggier, Emanuele Viterbo
- IEEE Transactions on Information Theory
- 2006

In this work, we give a bound on performance of any full-diversity lattice constellation constructed from algebraic number fields. We show that most of the already available constructions are almost optimal in the sense that any further improvement of the minimum product distance would lead to a negligible coding gain. Furthermore, we discuss constructions,… (More)

- E. Bayer-Fluckiger, F. Oggier, E. Viterbo
- IEEE Transactions on Information Theory
- 2004

In this correspondence, we present various families of full diversity rotated Z/sup n/-lattice constellations based on algebraic number theory constructions. We are able to give closed-form expressions of their minimum product distance using the corresponding algebraic properties.

— In this work, we give a bound on performance of any full-diversity lattice constellation constructed from algebraic number fields. We show that most of the already available constructions are almost optimal in the sense that any further improvement of the minimum product distance would lead to a neg-ligeable coding gain. Lattice constellations with high… (More)

- Eva Bayer-Fluckiger, Piotr Maciak, P. Maciak
- 2013

The aim of this paper is to give upper bounds for the Euclidean minima of abelian fields of odd prime power conductor. In particular, these bounds imply Minkowski's conjecture for totally real number fields of conductor p r , where p is an odd prime number and r ≥ 2.

- Eva Bayer-Fluckiger, Marina Monsurrò, R. Parimala, René Schoof
- 2004

Let G be a finite group and let k be a field of char(k) = 2. We explicitly describe the set of trace forms of G-Galois algebras over k when the virtual 2-cohomological dimension vcd 2 (k) of k is at most 1. For fields with vcd 2 (k) ≤ 2 we give a cohomological criterion for the orthogonal sum of a trace form of a G-Galois algebra with itself to be… (More)

- O F T H E E U R O P E A N M A T H E M A T I C A L S O C I E T Y, S S E E M S S E E M M, M European, Mathematical Society, E Bayer-Fluckiger
- 2013

Aims and Scope Commentarii Mathematici Helvetici (CMH) was established on the occasion of a meeting of the Swiss Mathematical Society in May 1928. The first volume was published in 1929. The journal is intended for the publication of original research articles on all aspects in mathematics.

- Eva Bayer-Fluckiger, Marina Monsurrò, R. Parimala
- 2006

Let G be a finite group and let k be a field of char(k) = 2. We explicitly describe the set of trace forms of G-Galois algebras over k when the virtual 2-cohomological dimension vcd 2 (k) of k is at most 1. For fields with vcd 2 (k) ≤ 2 we give a cohomological criterion for the orthogonal sum of a trace form of a G-Galois algebra with itself to be… (More)