[FRIAM] A/R theory

[Steve Smith]

Here's a recent paper from a friend of mine in the UK (Susan Stepney) on
the the topic of Abstraction/Representation theory:

"The representational entity in physical computing"

    https://link.springer.com/article/10.1007/s11047-020-09805-3

from the introduction:

    Many and diverse physical substrates are proposed for unconventional
    computing, from relativistic and quantum systems to chemical
    reactions and slime moulds, from carbon nanotubes to non-linear
    optical reservoir systems, from amorphous substrates to highly
    engineered devices, from general purpose analogue computers to
    one-shot devices. In another domain, biological systems are often
    said to perform information processing. In all these cases it is
    crucial to be able to determine when such substrates and systems are
    specifically computing, as opposed to merely undergoing the physical
    processes of that substrate.


this work seems to relate to several recent threads here...  I'd be very
interested in other's response to these ideas.

- Steve

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