[SydPhil] Notification: Luke Barnes @ Thu 1 Jun 2017 15:00 - 16:30 (Current Projects)

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Wed May 31 14:59:46 AEST 2017

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Title: Luke Barnes
Title: Fine-Tuning and probability

Abstract: My work as a cosmologist has touched on an interesting  
philosophical problem, on that has been discussed in the philosophical  
literature. Fine-tuning in physics and cosmology is often used as evidence  
that a theory is incomplete. Of particular interest is the fine-tuning of  
the universe for life, which suggests that our universe’s ability to create  
physical life forms is improbable and in need of explanation by, perhaps, a  
multiverse. This claim has been challenged on the grounds that the relevant  
probability measure cannot be justified because it cannot be normalized,  
and so small probabilities cannot be inferred. I will discuss how  
fine-tuning can be formulated within the context of Bayesian theory testing  
(or model selection) in the physical sciences, and how normalizability  
problems might be avoided.
When: Thu 1 Jun 2017 15:00 – 16:30 Eastern Time - Melbourne, Sydney
Calendar: Current Projects
     * Kristie Miller- creator

Event details:  

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