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38

APPROX
2005
Springer

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Derandomized Squaring of Graphs

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Derandomized Squaring of Graphs

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We introduce a “derandomized” analogue of graph squaring. This operation increases the connectivity of the graph (as measured by the second eigenvalue) almost as well as squaring the graph does, yet only increases the degree of the graph by a constant factor, instead of squaring the degree. One application of this product is an alternative proof of Reingold’s recent breakthrough result that S-T Connectivity in Undirected Graphs can be solved in deterministic logspace.

Eyal Rozenman, Salil P. Vadhan

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Algorithms | APPROX 2005 | Constant Factor | S-T Connectivity | Squaring |

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Added	26 Jun 2010
Updated	26 Jun 2010
Type	Conference
Year	2005
Where	APPROX
Authors	Eyal Rozenman, Salil P. Vadhan

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