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Kybernetika 44 no. 3, 360-372, 2008

External properness

Moisés Bonilla, Michel Malabre and Jaime Pacheco

Abstract:

In this paper, we revisit the structural concept of properness. We distinguish between the properness of the whole system, here called internal properness, and the properness of the "observable part" of the system. We give geometric characterizations for this last properness concept, namely external properness.