Submitted on: 26 August 2019.
Revised on: 31 October 2019.
Accepted on: 28 December 2019.
___________________COMMUNICATIONS IN ANALYSIS AND GEOMETRY
http://reply.papertrans.cn/1/60/6000/6000-32.png
Submitted on: 24 July 2019.
Revised on: 30 September 2019.
Accepted on: 13 November 2019.
___________________COMMUNICATIONS IN ANALYSIS AND GEOMETRY
http://reply.papertrans.cn/1/60/6000/6000-34.png
http://reply.papertrans.cn/1/60/6000/6000-35.png
Submitted on: 20 September 2008.
Revised on: 11 December 2008.
Accepted on: 02 February 2009.
___________________COMMUNICATIONS IN ANALYSIS AND GEOMETRY