Diophantine Approximation,Gevrey Hypoellipticity and Almost Periodic Motion on the Torus T~2;
丢番图逼近、环面T~2上的Gevrey亚椭圆性与几乎周期运动
We prove the monotonicity formulas of energy and the η-ellipticity by the classical Hodge theory.
在此基础上利用Hodge-de Rham分解证明了η-椭圆性。