Post by telemeter on Apr 21, 2020 9:03:07 GMT
I know that Vasco has an answer to this which will be published shortly, but meanwhile to celebrate finishing the book, I offer the attached approach.
drive.google.com/file/d/1SIbH0gKcoskMMJLKQ4YPzhJCddMXUGeR/view?usp=sharing
Also here is a graphic showing the required symmetry of level curves of $G_p(z)$
drive.google.com/file/d/11u0JC6TUN1q0E5KPLoJ2NgSGXLbLhb5M/view?usp=sharing
By far the best maths book I've ever read...a work of art.
telemeter