Cohérence territoriale et cohésion sociale TOME 1
Corinne Hommage
Broschiertes Buch

Cohérence territoriale et cohésion sociale TOME 1

projet territorial et nouvelles régulations

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Euclidean lattices are a rich algebraic object that occurs in a wide variety of contexts in mathematics and in computer science. The present thesis considers several algorithmic aspects of lattices. The concept of lattice basis reduction is thoroughly investigated: in particular, we cover the full range of time-quality trade-offs of reduction algorithms. On the rst hand, we describe and analyse fast algorithms for nding a relatively short basis (LLLreduced basis) of an arbitrary given lattice. On the second hand, we propose novel analyses for (slower) algorithms that compute very short bases (...