September 29
Asymptotic evaluation of integrals : full lecture
Perturbation expansions; Laplace, saddle, steepest descent leading term. (version of Sep 29, 2020)
October 1
Steepest descent lecture I
Gamma function, Sterling formula. (version of Oct 1, 2020)
October 1
Steepest descent lecture II, for physicists
Zero-dimensional field theory - perturbation expansion is an asymptotic series. (version of Oct 1, 2020)
October 1
Steepest descent lecture III, for data scientists
How tall is my graduate student?. (version of Oct 1, 2020)
October 1
If they only got the phase in the Fresnel integral right
QM would look different (version of Oct 1, 2020)
October 1
Got problems?
Do them like a journalist (version of Oct 1, 2020)
October 1
I heard it through the grapevine
How to pick a tolerable adviser? (version of Oct 1, 2020)
October 1
You think you are stressed?
Try finishing your thesis (version of Sep 29, 2020)