Greetings all,
This coming Monday, March 16 Owen Maroney (USyd) will be our current
project's speaker 1.00-2.30 in the philosophy common room. He will
talk to us about:
Incomplete Preorders and Thermodynamic Entropy/ies.
The existence of a global, unique function of state called entropy is
the centrepiece of classical thermodynamics. Its existence is deduced
in terms of heat flows into heat baths, or in terms of an adiabatic
accessibility relationship. Both of these methods can be instead cast
into the form of the existence of a complete preordering on the state
space. Both of the methods are also widely supposed to only be valid
for states in thermal equilibrium, connected by thermodynamically
reversible paths and ignoring fluctuation phenomena. Attempting to
widen the domain of validity leads to an incomplete preordering. The
result is not a unique entropy function, but a family of entropy
functions. This turns out to be very similar to a recent result on
incomplete preference relations in expected utility theory.
See you all there...
Dr. Kristie Miller
University of Sydney Research Fellow
School of Philosophical and Historical Inquiry and
The Centre for Time
The University of Sydney
Sydney Australia
Room 411, A 18
[email protected]
[email protected]
Ph: 02 93569663
http://homepage.mac.com/centre.for.time/KristieMiller/Kristie/Home_Page.html
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