1.

Record Nr.

UNISA996466864403316

Autore

Wirsching Günther J. <1960->

Titolo

The dynamical system generated by the 3n + 1 function / / Günther J Wirsching

Pubbl/distr/stampa

Berlin : , : Springer-Verlag, , [1998]

©1998

ISBN

3-540-69677-6

Edizione

[1st ed. 1998.]

Descrizione fisica

1 online resource (VIII, 164 p.)

Collana

Lecture notes in mathematics ; ; 1681

Disciplina

519.2

Soggetti

Combinatorial probabilities

Lingua di pubblicazione

Inglese

Formato

Materiale a stampa

Livello bibliografico

Monografia

Note generali

Bibliographic Level Mode of Issuance: Monograph

Nota di contenuto

Some ideas around 3n+1 iterations -- Analysis of the Collatz graph -- 3-adic averages of counting functions -- An asymptotically homogeneous Markov chain -- Mixing and predecessor density.

Sommario/riassunto

The 3n+1 function T is defined by T(n)=n/2 for n even, and T(n)=(3n+1)/2 for n odd. The famous 3n+1 conjecture, which remains open, states that, for any starting number n>0, iterated application of T to n eventually produces 1. After a survey of theorems concerning the 3n+1 problem, the main focus of the book are 3n+1 predecessor sets. These are analyzed using, e.g., elementary number theory, combinatorics, asymptotic analysis, and abstract measure theory. The book is written for any mathematician interested in the 3n+1 problem, and in the wealth of mathematical ideas employed to attack it.