2014
DOI: 10.1007/s10107-014-0843-4
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A semidefinite programming hierarchy for packing problems in discrete geometry

Abstract: Packing problems in discrete geometry can be modeled as finding independent sets in infinite graphs where one is interested in independent sets which are as large as possible. For finite graphs one popular way to compute upper bounds for the maximal size of an independent set is to use Lasserre's semidefinite programming hierarchy. We generalize this approach to infinite graphs. For this we introduce topological packing graphs as an abstraction for infinite graphs coming from packing problems in discrete geome… Show more

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Cited by 27 publications
(51 citation statements)
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References 38 publications
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“…In particular, there have emerged improvements to the lower bounds for N (18) [24,36] and improvements to the upper bounds for N (d) where d = 14, 16, 17, 18, 19, 20 [1, 2, 14, 15, 16]. There have also been various recent improvements to upper bounds for N (d) for d 24 using semidefinite programming, see [12,21,22,28,38].…”
Section: Introductionmentioning
confidence: 99%
See 1 more Smart Citation
“…In particular, there have emerged improvements to the lower bounds for N (18) [24,36] and improvements to the upper bounds for N (d) where d = 14, 16, 17, 18, 19, 20 [1, 2, 14, 15, 16]. There have also been various recent improvements to upper bounds for N (d) for d 24 using semidefinite programming, see [12,21,22,28,38].…”
Section: Introductionmentioning
confidence: 99%
“…In particular, there have emerged improvements to the lower bounds for N (18) [24,36] and improvements to the upper bounds for N (d) where d = 14, 16, 17, 18, 19, 20 [1, 2, 14, 15, 16]. There have also been various recent improvements to upper bounds for N (d) for d 24 using semidefinite programming, see [12,21,22,28,38].The asymptotic behaviour of N (d) is quadratic in d with a general upper bound of d(d+1)/2 [23, Theorem 3.5] and a general lower bound of (32d 2 + 328d + 29)/1089 [15, Corollary 2.8]. One can also consider the related problem of, for fixed α ∈ (0, 1), finding N α (d), the maximum number of lines in R d through the origin with pairwise angle arccos α.…”
mentioning
confidence: 99%
“…We show how to approximate the duals E * t by semidefinite programs that are block diagonalized into sufficiently small blocks so that it becomes possible to numerically compute the 4-point bound E 2 for interesting problems. This leads to the best known bounds for these problems, and this demonstrates the computational applicability of the moment techniques developed in [30].…”
Section: Introductionmentioning
confidence: 56%
“…, where G and f are the graph and potential function as defined in Section 2. For packing problems in discrete geometry, the t-th step of the hierarchy from [30] is given by H max…”
Section: Optimization With Infinitely Many Binary Variablesmentioning
confidence: 99%
“…Such an approach can be used to prove the Bukh-Cox, Welch-Rankin, and Levenstein bounds. Three-point bounds via semidefinite programming would likely produce even better bounds [43,44].…”
Section: Proving Optimality Of a Packingmentioning
confidence: 99%