The Kraft--Barmpalias--Lewis-Pye lemma revisited

Autor: Shen, Alexander
Rok vydání: 2023
Předmět:
Druh dokumentu: Working Paper
Popis: This note provides a simplified exposition of the proof of hierarchical Kraft lemma proven by Barmpalias and Lewis-Pye and its consequences for the oracle use in the Ku\v{c}era--G\'acs theorem (saying that every sequence is Turing reducible to a random one).
Comment: (Added a small remark about non-binary case in v.2)
Databáze: arXiv