2012/10/22 Stephen P. King <stephe...@charter.net>
> On 10/22/2012 2:38 AM, Alberto G. Corona wrote:
> 2012/10/22 Russell Standish <li...@hpcoders.com.au>
>> On Sun, Oct 21, 2012 at 11:38:46PM -0400, Stephen P. King wrote:
>> > Hi Rusell,
>> > How does Schmidhuber consider the physicality of resources?
>> > --
>> > Onward!
>> > Stephen
>> No. The concept doesn't enter consideration. What he considers is that
>> the Great Programmer has finite (or perhaps bounded resources), which
>> gives an additional boost to algorithms that run efficiently.
>> that´s the problem that I insist, has a natural solution considering
> the computational needs of living beings under natural selection, without
> resorting to a everithing-theory of reality based of a UD algorithm, like
> the Schmidhuber one.
> Dear Alberto,
> My suspicion is that there does *not* exist a single global
> computation of the behavior of living (or other) beings and that "natural
> selection" is a local computation between each being and its environment.
> We end up with a model where there are many computations occurring
> concurrently and there is no single computation that can dovetail all of
> them together such that a picture of the universe can be considered as a
> single simulation running on a single computer except for a very trivial
> case (where the total universe is in a bound state and at maximum
> Yes, that'`s also what I think. These computations are material, in the
sense that they are subject to limitation of resources (nervous signal
speeds, chemical equilibrion, diffusion of hormones etc. So the bias toward
a low kolmogorov complexity of an habitable universe can be naturally
deduced from that.
Natural selection is the mechanism for making discoveries, individual life
incorporate these discoveries, called adaptations. A cat that jump to catch
a fish has not discovered the laws of newton, Instead, the evolution has
found a way to modulate the force exerted by the muscles according with how
long the jump must be, and depending on the weight of the cat (that is
calibrated by playing at at the early age).
But this technique depends on the lineality and continuity of the law of
newton for short distances. If the law of newton were more complicated,
that would not be possible. So a low complexity of the macroscopical laws
permit a low complexity and a low use of resources of the living computers
that deal with them, and a faster dsicovery of adaptations by natural
selection. But that complexity has a upper limit; Lineality seems to be a
requirement for the operation of natural selection in the search for
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