Manindra Agrawal, Chandan Saha, Nitin Saxena. Quasi-polynomial hitting-set for set-depth-Δ formulas. In Dan Boneh, Tim Roughgarden, Joan Feigenbaum, editors, Symposium on Theory of Computing Conference, STOC'13, Palo Alto, CA, USA, June 1-4, 2013. pages 321-330, ACM, 2013. [doi]
Abstract is missing.