Proceedings 39th Annual Symposium on Foundations of Computer Science (Cat. No.98CB36280)
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Abstract

A depth 3 arithmetic circuit can be viewed as a sum of products of linear functions. We prove an exponential complexity lower bound on depth 3 arithmetic circuits computing some natural symmetric functions over a finite field F. Also, we study the complexity of the functions f:DnF for subsets DF. In particular, we prove an exponential lower bound on the complexity of a depth 3 arithmetic circuit which computes the determinant or the permanent of a matrix considered as functions f:(F)n2F
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