Talk:Dissipative system

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[edit] Open systems

On 9 Decmebr 2005, User:Seberia Eagle asked on the article page:

A dissipative system is defined for an open system, while a map on a set is clearly not an open system, at least formally. So What is the inherent connection between these two definitins of dissipative systems? (For a definition of disspative systems for open systems, see Dissipative dynamical systems by Jan C. Willems. For that in Mathematics, see the article wandering sets or Chapter 6 in The Ergodic Theory of Discrete Groups by Peter J. Nicholls.)

Dunno. linas 17:37, 9 December 2005 (UTC)

[edit] critique

I am referring to the line: "A dissipative system is characterized by the spontaneous appearance of symmetry breaking (anisotropy) and..." In particular to the equivalent use of "symmetry breaking" in general and "anisotropy". To my knowledge, the term isotropy refers to spatial symmetry in particular, not to symmetry in general.

What did the author intend to say?