[Alta-Logic] Save the Date: The Calgary Mathematics & Philosophy
Lecture March 16: Emily Grosholz
Richard Zach
rzach at ucalgary.ca
Mon Feb 13 17:34:49 MST 2017
Theory Reduction, Algebraic Number Theory, and the Complex
Plane<https://ucalgary.ca/mathphil/files/mathphil/grosholz-poster.pdf>
Emily Grosholz
Pennsylvania State University
Thursday, March 16, 2017, 3:30 pm
ICT 121 (Lecture Theatre Five)
How does mathematical knowledge grow? According to an influential
formulation due to philosopher Ernest Nagel, when a scientific theory
"reduces" another, the reduced theory is deductively subsumed under the
reducing theory: thus for example chemistry is deduced from quantum
mechanics, and molecular biology from chemistry. Recent critics, using
examples from science, argue that Nagel's criteria for theory reduction
are both too strict, and too weak. Prof. Grosholz reviews Nagel's model
and its difficulties, and argues that theory reduction faces similar
problems in mathematics. Certain proofs of Fermat's conjectures about
whole number solutions of quadratic and cubic polynomials, by means of
the alliance of number theory with complex analysis, lead not
deductively but abductively (adding content) to the study of algebraic
number fields, and class field theory. This extension of number theory
is at once too strong and too weak to look like Nagelian theory
reduction, which is precisely why it turns out to be so fruitful.
*Emily Grosholz* <http://emilygrosholz.com/> is Edwin Erle Sparks
Professor of Philosophy at the Pennsylvania State University. She is the
author of monographs on Descartes, Leibniz and the role of "productive
ambiguity" in mathematics and the sciences. She edited a collection of
essays on Leibniz, time and history, as a special issue of /Studia
Leibnitiana/ (44 / 1 2012), as well as collection of essays on modern
cosmology and time as a special issue of /Studies in the History and
Philosophy of Modern Physics/ (52 / Part A 2015). Her new philosophy
book /Starry Reckoning: Reference and Analysis in Mathematics and
Cosmology/ is just out from Springer in the SAPERE series edited by
Lorenzo Magnani. Next year, Springer will publish her book on poetry and
mathematics, /Great Circles: The Transits of Mathematics and Poetry/ in
a new series, Mathematics, Culture and the Arts, edited by Margerie
Senechal, Jeremy Gray and Jed Buchwald. /
This talk is the third annual Calgary Mathematics & Philosophy Lecture
<https://www.ucalgary.ca/mathphil/>, co-sponsored by PIMS
<http://www.pims.math.ca/>, the Pacific Institute for the Mathematical
Sciences, the Department of Philosophy, <http://phil.ucalgary.ca/> and
the /Department of Mathematics <http://math.ucalgary.ca/>/. The
Mathematics & Philosophy Lectures aim to introduce topics at the
intersection of mathematics and philosophy to a general academic
audience. The event is free & open to the public; a reception follows/
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