Simple necessary and sufficient conditions for the stability of constrained processes
SIAM Journal on Applied Mathematics
Explicit Solutions for Variational Problems in the Quadrant
Queueing Systems: Theory and Applications
Queueing Systems: Theory and Applications
Reflected Brownian motion in the quadrant: tail behavior of the stationary distribution
Queueing Systems: Theory and Applications
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In this paper we consider the variational problem in the non-negative orthant of 驴3. The solution of this problem gives the large deviation rate function for the stationary distribution of an SRBM (Semimartingal Reflecting Brownian Motion). Avram, Dai and Hasenbein (Queueing Syst. 37, 259---289, 2001) provided an explicit solution of this problem in the non-negative quadrant. Building on this work, we characterize reflective faces of the non-negative orthant of 驴 d , we construct boundary influence cones and we provide an explicit solution of several constrained variational problems in 驴3. Moreover, we give conditions under which certain spiraling paths to a point on an axis have a cost which is strictly less than the cost of every direct path and path with two pieces.