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Black magic for transcendental equations

Anthony Bonfils
WhenFriday 6 February 2026
Who can comeStudents & postdocs

Undergraduate, master’s and PhD students, and postdocs.

Abstract

Have you ever wondered how to solve tan(x)=x?
Exact solutions are out of reach,
But an approximation I will teach.
If you want the asymptotic power,
You have to sacrifice a parameter.
Find a dominant balance
To crack the transcendence.
And always go to the next order!

Image accompanying Black magic for transcendental equations
Image provided by the speaker.