[PhilPhys] Tuesday at noon - Lucy James - Primordial Black Holes in Perspective

[Center for Phil Sci]

The Center for Philosophy of Science invites you to join us for Lucy's
Lunch Time Talk.  Attend in person, Room 1117 on the 11th floor of the
Cathedral of Learning at the University of Pittsburgh or visit our live
stream on YouTube at *https://www.youtube.com/channel/UCrRp47ZMXD7NXO3a9Gyh2sg
<https://www.youtube.com/channel/UCrRp47ZMXD7NXO3a9Gyh2sg>*.

*LTT: **Lucy James *
Take 5 Minutes with Lucy as she discusses her research and work here at the
Center:  https://youtu.be/tPROsG2Wv5E




Tuesday, October 15th @ 12:00 pm - 1:30 pm EDT



*Title: **Primordial Black Holes in Perspective*



*Abstract:*

This talk gives an illustration of some general ideas about perspectival
disagreement, using the case of primordial black holes (PBHs). Some
theoretical arguments for their existence are considered, alongside a
cursory review of some literature discussing the possibility of acquiring
empirical data that would distinguish primordial from astrophysical black
holes. Finally, and most substantially, a putative explanatory role of PBHs
is discussed in the context of matter formation and spacetime ’emergence’.
Differences between the ways in which PBHs are understood from alternative
perspectives are pointed out: PBHs have (some) different properties
depending on whether they are being studied by the mathematical general
relativist, the experimentally inclined astrophysicist, or the speculative
cosmologist. Such perspectival disagreement need not be indicative of
ontological pluralism. It is argued instead that instances of perspectival
disagreement point to physics being an incomplete enterprise, whose
evolution is unavoidably constrained by epistemic limitations. Unificatory
projects are considered progressive, since such projects provide the most
likely sources of metaphysical insight when they are successful. Adding
precision to our understanding of the salient characteristics of the
perspectives in question, when perspectival disagreement occurs, can pave
the way for more successful unification projects.



*Can’t make it in-person? This talk will available online through the
following:*



Zoom:  *https://pitt.zoom.us/j/99322492076
<https://pitt.zoom.us/j/99322492076>*



YouTube at *https://www.youtube.com/channel/UCrRp47ZMXD7NXO3a9Gyh2sg
<https://www.youtube.com/channel/UCrRp47ZMXD7NXO3a9Gyh2sg>*.
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