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21st Annual IEEE Conference on Computational Complexity (CCC'06)
Polynomial Identity Testing for Depth 3 Circuits
Prague, Czech Republic
July 16-July 20
ISBN: 0-7695-2596-2
Neeraj Kayal, IIT Kanpur, India
Nitin Saxena, IIT Kanpur, India
We study the identity testing problem for depth 3 arithmetic circuits (\Sigma\Pi\Sigma circuit). We give the first deterministic polynomial time identity test for \Sigma\Pi\Sigma circuits with bounded top fanin. We also show that the rank of a minimal and simple \Sigma\Pi\Sigma circuit with bounded top fanin, computing zero, can be unbounded. These results answer the open questions posed by Klivans-Spielman [KS01] and Dvir-Shpilka [DS05].
Citation:
Neeraj Kayal, Nitin Saxena, "Polynomial Identity Testing for Depth 3 Circuits," ccc, pp.9-17, 21st Annual IEEE Conference on Computational Complexity (CCC'06), 2006
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