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Date:         Tue, 10 Nov 1992 13:19:24 MET
From:         "(Maler)" <maler@IMAG.FR>
Subject:      Re: Fundamentals of HPCT, Version 0
              "Fundamentals of HPCT, Version 0" (Sep 26, 14:32)

[From Oded Maler 921110]

* [From Bill Powers (920926.2200)  "Fundamentals of HPCT, Version 0"]
*
* D-12. Conflict, if important in the sense of affecting the critical
* variables in the systems that have lost control, will lead to
* reorganizations that escalate the conflict, bringing both loop gains
* into the high region and increasing the outputs to their maximum. This
* will continue until one or both organisms dies, or until one organism
* reorganizes in a way that eliminates the conflict altogether.
*
* D-13. Therefore the normal steady-state interaction between organisms
* will be one that involves no conflict.
*
* D-14. Interactions without conflict require that independent organisms
* in close contact control perceptual variables that are linearly
* independent of each other. This is the solution to conflict that will
* occur, through reorganization, if both organisms survive. It is the
* only solution, other than breaking contact, that can persist over
* time.
*
* D-15. When there are no conflicts, each organism controls variables
* that are independent of the other's controlled variables. The actions
* of each organism can amount to disturbances of variables or parametric
* disturbance of the other's control systems. These disturbances,
* however, remain within the range where each system can continue to
* control all its perceptions by varying its own output actions. Each
* organism continues to maintain its own critical variables near their
* reference levels, independently of the other.
*
* D-16. The shared environment will then come to a state in which it
* simultaneously satisfies all the reference conditions in both
* organisms. This can involve a close intertwining of physical
* relationships, because for the behaving systems, "environment" is all
* that is not CNS or reorganizing system. It includes, therefore, the
* bodies of both systems, not just the world between the systems.
* -------------------------------------------------------------------

I wonder how much of the above holds if you replace "organism"
by ECS.

*D-14. Interactions without conflict require that independent organisms
* in close contact control perceptual variables that are linearly
* independent of each other.

Can you elaborate a little on the coexistence of "close contact" in
one hand "control of linearily independent variables" on the other.
I can see that if 2 systems perceive the same point in the plane,
one controlling for the x dimension and one for the y, then they
can achieve their goals simultaneously, but in what sense are they
then in "close contact"? Since they are controllin for lin. indep.
perceptual variable, they are virtually disconnected from each
others (from their perceptual point of view). Only some hypothetical
2-dimensional CEV makes them connected.

--Oded




--
===============================================================
Oded Maler, LGI-IMAG (Campus), B.P. 53x, 38041 Grenoble, France
Phone:  76635846  Fax: 76446675   e-mail: maler@vercors.imag.fr
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