1982
- ▪E.D. Sontag, "Remarks on piecewise-linear algebra", Pacific J. Math., vol. 98, no. 1, pp. 183–201, 1982. pdf
Abstract
Algebraic study of functions defined by piecewise linear (generally discontinuous) equations. File obtained by scanning a reprint.
1980
- ▪E.D. Sontag, "Nonlinear regulation, the piecewise linear approach", In Proc.Princeton Conf.on Information Sciences and Systems, Princeton, March 1980, 1980.