Filtering theory under the min-plus algebra

A few papers (postscript files):

Cheng-Shang Chang, "On deterministic traffic regulation and service guarantees: a systematic approach by filtering," IEEE Transactions on Information Theory, Vol. 44, pp. 1097-1110, 1998.
Cheng-Shang Chang, "Matrix extensions of the filtering theory for deterministic traffic regulation and service guarantees," IEEE J. Selected Areas in Communications, Vol. 16, pp. 708-718, 1998.
Cheng-Shang Chang, "Deterministic traffic specification via projections under the min-plus algebra," Proc. of IEEE INFOCOM, Vol. 1, pp. 43-50, New York, 1999.
Cheng-Shang Chang and Rene L. Cruz, "A time varying filtering theory for constrained traffic regulation and dynamic service guarantees," Proc. of IEEE INFOCOM, Vol. 1, pp. 63-70, New York, 1999.
Cheng-Shang Chang and Yih Haur Lin, "A general framework for deterministic service guarantees in telecommunication networks with variable length packets," IEEE Trans. on Automatic Control, Vol. 46, pp. 210-221, 2001.
Cheng-Shang Chang, Rene L. Cruz, Jean-Yves Le Boudec and Patrick Thiran, "A min,+ theory for constrained traffic regulation and dynamic service guarantees," IEEE/ACM Transactions on Networking, Vol. 10, pp. 805-817, 2002.