IPL
2007
13 years 4 months ago
2007
We consider an LP relaxation for ATSP. We introduce concepts of high-value and high-flow cycles in LP basic solutions and show that the existence of this kind of cycles would lea...
INFOCOM
2008
IEEE
13 years 11 months ago
2008
IEEE
—Achieving secure time-synchronization in wireless sensor networks (WSNs) is a challenging, but very important problem that has not yet been addressed effectively. This paper pro...