https://lievenlebruyn.github.io/neverendingbooks/the-mystery-manin-marcolli-monoid/ Sat, 31 Aug 2024 11:34:53 +0000 hourly 1 https://wordpress.org/?v=6.6.1 https://lievenlebruyn.github.io/neverendingbooks/the-mystery-manin-marcolli-monoid/#comment-108 Wed, 02 Oct 2019 11:02:56 +0000 http://www.neverendingbooks.org/?p=8554#comment-108 @Jimmy :any bicolored planar tree can be realised as the dessin of a Shabat polynomial (ie. generalised Tchebychev) but the ‘question’ is whether this can be defined over Q (answer: no!).

]]> https://lievenlebruyn.github.io/neverendingbooks/the-mystery-manin-marcolli-monoid/#comment-107 Tue, 01 Oct 2019 09:20:26 +0000 http://www.neverendingbooks.org/?p=8554#comment-107 Generalized Tchebychev polynomials do the job I believe :
https://www.labri.fr/perso/zvonkin/Research/shabzvon.pdf

]]>