On this episode of our podcast My Favorite Theorem, my cohosot Kevin Knudson and I were happy to talk with Michèle Audin, who recently retired from her academic job at the University of Strasbourg and now spends more of her time on literary pursuits. You can listen to the episode here or at kpknudson.com, where there is also a transcript.
I really enjoyed Dr. Audin’s book Remembering Sofya Kovalevskaya, which I reviewed here, and I was excited we were able to have her as a guest on the podcast. She decided to talk about Stokes’ theorem, also called Stokes’ formula. This theorem is the punchline of multivariable calculus: it relates the value of a function on the boundary of a region to the value of a related function (its derivative) on the entire region. It is a higher-dimensional version of the fundamental theorem of calculus, which was the favorite theorem of our guest Amie Wilkinson on the very first episode of this podcast.
Versions of Stokes’ theorem were originally proved in different applied contexts, and Dr. Audin says one thing she loves about the theorem is the fact that it started in applied mathematics and made its way to pure mathematics instead of the other way around. Recognizing the fact that these seemingly unrelated contexts contained the same mathematics is a neat example of the beauty of mathematical abstraction.
Dr. Audin is interested in math history, and she told us about two of her favorite characters in the story of Stokes’ theorem: George Green, a baker’s son with only a year of formal schooling, who was one of the first people to prove a version of Stokes’ theorem; and Mikhail Ostrogradsky, a Russian military officer who proved a version of the theorem related to water flows. Green’s original essay is available online at arxiv.org. Read more about Ostrogradsky's theorem here.
In each episode of the podcast, we ask our mathematician to pair their theorem with something—food, drink, art, music, or another delight in life. Dr. Audin paired Stokes’ theorem with her novel La Formule de Stokes, Roman (in English, Stokes’ Formula, a Novel). As she describes, she takes a non-chronological look at the history of the formula and some of the mathematicians who were involved with it at various stages. Unfortunately, the novel hasn’t yet been translated into English, but Francophones can find it here.
You can find Dr. Audin at her personal website, her Oulipo page, and her blog about the Paris Commune (all in French). An English language interview with her appeared in the August 2017 Notices of the American Mathematical Society.
You can find more information about the mathematicians and theorems featured in this podcast, along with other delightful mathematical treats, at kpknudson.com and here at Roots of Unity. A transcript is available here. You can subscribe to and review the podcast on iTunes and other podcast delivery systems. We love to hear from our listeners, so please drop us a line at myfavoritetheorem@gmail.com. Kevin Knudson’s handle on Twitter is @niveknosdunk, and mine is @evelynjlamb. The show itself also has a Twitter feed: @myfavethm and a Facebook page. Join us next time to learn another fascinating piece of mathematics.
Previously on My Favorite Theorem:
Episode 0: Your hosts' favorite theorems
Episode 1: Amie Wilkinson’s favorite theorem
Episode 2: Dave Richeson's favorite theorem
Episode 3: Emille Davie Lawrence's favorite theorem
Episode 4: Jordan Ellenberg's favorite theorem
Episode 5: Dusa McDuff's favorite theorem
Episode 6: Eriko Hironaka's favorite theorem
Episode 7: Henry Fowler's favorite theorem
Episode 8: Justin Curry's favorite theorem
Episode 9: Ami Radunskaya's favorite theorem
Episode 10: Mohamed Omar's favorite theorem
Episode 11: Jeanne Clelland's favorite theorem
Episode 12: Candice Price's favorite theorem
Episode 13: Patrick Honner's favorite theorem
Episode 14: Laura Taalman's favorite theorem
Episode 15: Federico Ardila's favorite theorem
Episode 16: Jayadev Athreya's favorite theorem
Episode 17: Nalini Joshi's favorite theorem
Episode 18: John Urschel's favorite theorem
Episode 19: Emily Riehl's favorite theorem
Episode 20: Francis Su's favorite theorem
Episode 21: Jana Rordiguez Hertz's favorite theorem
Episode 22: Ken Ribet's favorite theorem
Episode 23: Ingrid Daubechies's favorite theorem
Episode 24: Vidit Nanda's favorite theorem
Episode 25: Holly Krieger's favorite theorem
Episode 26: Erika Camacho's favorite theorem
Episode 27: James Tanton's favorite theorem
Episode 28: Chawne Kimber's favorite theorem
Episode 29: Mike Lawler's favorite theorem
Episode 30: Katie Steckles' favorite theorem
Episode 31: Yen Duong's favorite theorem
Episode 32: Anil Venkatesh's favorite theorem
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