Polynomial time algorithms for finding integer relations among real numbers
3rd annual symposium on theoretical aspects of computer science on STACS 86
A modification of the LLL reduction algorithm
Journal of Symbolic Computation
On the limits of computations with the floor function
Information and Computation
Analysis of PSLQ, an integer relation finding algorithm
Mathematics of Computation
Proceedings of the 11th Colloquium on Automata, Languages and Programming
The integer chebyshev problem: computational explorations
The integer chebyshev problem: computational explorations
Incremental PSLQ with application to algebraic number reconstruction
ACM Communications in Computer Algebra
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The HJLS and PSLQ algorithms are the de facto standards for discovering non-trivial integer relations between a given tuple of real numbers. In this work, we provide a new interpretation of these algorithms, in a more general and powerful algebraic setup: we view them as special cases of algorithms that compute the intersection between a lattice and a vector subspace. Further, we extract from them the first algorithm for manipulating finitely generated additive subgroups of a euclidean space, including projections of lattices and finite sums of lattices. We adapt the analyses of HJLS and PSLQ to derive correctness and convergence guarantees.