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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