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Physics as Information Processing ~ Chris Fields ~ AII 2023
 
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"Physics as Information Processing"
Course taught by
Chris Fields


Course assistant is
Ander Aguirre


Hosted during 2023 by the
Active Inference Institute

Contact:
ActiveInference@gmail.com



Key links:
See the
 
[exit]
Course Syllabus

, with information on each session and link to the recordings.
See
 
[ask-questi]
Questions & Answers

, where written questions can be submitted for Chris Fields to
respond to.
See
 
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Register to Join Discussions

if you want to join livestreamed discussions.

Playlist of all recorded sessions



Calendar series with times & watch links for all sessions


Course Overview:
This six-session course will introduce participants to thinking about
physical interaction as communication, and hence thinking about
physical systems as communicating agents. It will show how the
free-energy principle (FEP) and the idea of active inference apply to
all physical systems, regardless of scale, subject only to
constraints of conditional statistical independence or separability.
It will investigate these constraints, their implementations, and
their limits.
The course will introduce the formal methods of quantum information
theory (QIT) and show how they relate to classical information
theory. These methods will be employed as thinking tools, not
calculating tools. A background in quantum theory or statistical
physics will be useful but is not required; basic physics and some
familiarity with linear algebra - vectors and operators - will be
helpful. We will be discussing various abstract concepts, but with a
focus on their intuitive meaning, not their formal structure No
coding will be required, though anyone inclined in this direction
will see many opportunities for model building.
There will be one "live" presentation session and one live discussion
session per month, together with asynchronous Q&A and discussion. All
sessions will be recorded and accessible asynchronously.
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