\contentsline {section}{1\hspace {0.5em}Introduction}{1} \contentsline {section}{2\hspace {0.5em}Communication Complexity}{3} \contentsline {section}{3\hspace {0.5em}Proving the Degree Bound}{3} \contentsline {section}{4\hspace {0.5em}Random Restrictions and the Size Bounds}{4} \contentsline {section}{5\hspace {0.5em}Acknowledgments}{5}