On Kurzweil's 0–1 Law in Inhomogeneous Diophantine Approximation

Proof-critical source

Twisted Diophantine Approximation I: Asymptotic Theory

This paper is included only for the following marked statements:

• Lemma 2.1 and its proof · arXiv:1501.04714v1, PDF pp. 3–5Convergence of the block-minimum series forces summability of $q_s\psi(q_s)$.
• Continued-fraction separation in Section 2.2 · arXiv:1501.04714v1, PDF pp. 5–8Convergent denominators give the orbit-point separation used in the focal upper cluster count.