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Re: Formalization of the Artificial Life Systems
From: |
Vladimir Jojic |
Subject: |
Re: Formalization of the Artificial Life Systems |
Date: |
Wed, 21 May 1997 16:54:50 +0200 (MET DST) |
On Wed, 21 May 1997, glen e. p. ropella wrote:
> It seems to me that there are some very powerful results in
> algebra (as a whole theory) that are not restricted to linear
> algebra that would fit nicely into ABMs. Examples, are the
> concepts of:
What is ABM?
> posets -- sets ordered by a reflexive, antisymmetric, and
> transitive, binary relation
> groups -- sets under a closed, associative, identity holding,
> and inverse holding, binary operation
> quotient groups -- set of equivalence classes of an algebraic
> object under an equivalence relation for that
> object
When I say linear algebra, I mean:
- groups
- vector (and affine spaces)
- linear operators
- linear, quadratic and multilinear forms (I am not sure about the terms)
etc.
What do You mean, when You say linear algebra?
> Granted, the types of results we achieve from linear algebra could
> be *very* useful wherever they can be applied; but, the whole of
> linear algebra is based on the ability to establish orthogonal
> sets and I'm not sure how such a criterion can be established in
> ABMs. If we view orthogonality as a very specific kind of quotient
> group, then we can think about some ABMs, possibly, possessing
> such a property.... but, I worry that starting at that point might
> make us too focussed.
This is a problem. But, since you can define various operators, you can
define orthogonality any way you like it. Finding operators with different
qualities, to support our models, will be challenge ...
I don't expect to get all done in just one pass, so using different
starting points is the part of the `big plan' ... but for start (some time
next week) just a high dimensional (Euclidean, meaning) space, one agent,
then alter the operations, add agents etc. and see what happens ...
Regards,
Vladimir
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