Locally 2-Dimensional Sperner Problems Complete for the Polynomial Parity Argument Classes.

Katalin Friedl Gábor Ivanyos Miklos Santha Yves F. Verhoeven Locally 2-Dimensional Sperner Problems Complete for the Polynomial Parity Argument Classes. 380-391 2006 conf/ciac/2006 CIAC http://dx.doi.org/10.1007/11758471_36 db/conf/ciac/ciac2006.html#FriedlISV06