We prove the norm convergence of multiple ergodic averages along cubes for several commuting transformations, and derive corresponding combinatorial results. The method we use relies primarily on the "magic extension" established recently by B. Host.
@article{bwmeta1.element.bwnjournal-article-doi-10_4064-sm196-1-2, author = {Qing Chu}, title = {Convergence of multiple ergodic averages along cubes for several commuting transformations}, journal = {Studia Mathematica}, volume = {196}, year = {2010}, pages = {13-22}, zbl = {1184.37005}, language = {en}, url = {http://dml.mathdoc.fr/item/bwmeta1.element.bwnjournal-article-doi-10_4064-sm196-1-2} }
Qing Chu. Convergence of multiple ergodic averages along cubes for several commuting transformations. Studia Mathematica, Tome 196 (2010) pp. 13-22. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-doi-10_4064-sm196-1-2/