Participant wangqy

Signature graphic: http://uotd.org/signature.py?cpid=fb95abc5c2ed7a75ba3e2208bcae51de
Small signature: http://uotd.org/signature_sm.py?cpid=fb95abc5c2ed7a75ba3e2208bcae51de

Rectilinear Crossing Number
Thu 29 Jan 2009 12:00:00 AM CET		 No picture Name: wangqy
Country: China
Team: XJTU
Rectilinear Crossing Number
Wed 14 Jan 2009 12:00:00 AM CET		 No picture Name: wangqy
Country: China
Team: XJTU
Rectilinear Crossing Number
Fri 28 Sep 2007 01:00:00 AM CEST		 No picture Name: wangqy
Country: China
Team: XJTU