数学物理学报(英文版) ›› 1995, Vol. 15 ›› Issue (3): 247-253.
袁光伟
Yuan Guangwei
摘要: The "hole-boring problem" in ECM is considered.It is shown that after a finite period of time the free boundary becomes smooth in space variables and Holder continuous in time variable without imposing specific geometric assumption on the initial and boundary data.