, Volume 47, Issue 1, pp 250-258
Date: 25 Oct 2008

The Solvability Problem for Quadratic Equations over Free Groups is NP-Complete

Rent the article at a discount

Rent now

* Final gross prices may vary according to local VAT.

Get Access


We prove that the problems of deciding whether a quadratic equation over a free group has a solution is NP-complete.