{ "id": "1906.01151", "version": "v1", "published": "2019-06-04T01:34:26.000Z", "updated": "2019-06-04T01:34:26.000Z", "title": "Inhomogeneous Diophantine Approximation on $M_0$-sets with restricted denominators", "authors": [ "Andrew D. Pollington", "Sanju Velani", "Agamemnon Zafeiropoulos", "Evgeniy Zorin" ], "comment": "58 pages", "categories": [ "math.NT" ], "abstract": "Let $F \\subseteq [0,1]$ be a set that supports a probability measure $\\mu$ with the property that $ |\\widehat{\\mu}(t)| \\ll (\\log |t|)^{-A}$ for some constant $ A > 0 $. Let $\\mathcal{A}= (q_n)_{n\\in \\mathbb{N}} $ be a sequence of natural numbers. If $\\mathcal{A}$ is lacunary and $A >2$, we establish a quantitative inhomogeneous Khintchine-type theorem in which (i) the points of interest are restricted to $F$ and (ii) the denominators of the `shifted' rationals are restricted to $\\mathcal{A}$. The theorem can be viewed as a natural strengthening of the fact that the sequence $(q_nx {\\rm \\ mod \\, } 1)_{n\\in \\mathbb{N}} $ is uniformly distributed for $\\mu$ almost all $x \\in F$. Beyond lacunary, our main theorem implies the analogous quantitative result for sequences $\\mathcal{A}$ for which the prime divisors are restricted to a finite set of $k$ primes and $A > 2k$.", "revisions": [ { "version": "v1", "updated": "2019-06-04T01:34:26.000Z" } ], "analyses": { "subjects": [ "11J83" ], "keywords": [ "inhomogeneous diophantine approximation", "restricted denominators", "main theorem implies", "finite set", "prime divisors" ], "note": { "typesetting": "TeX", "pages": 58, "language": "en", "license": "arXiv", "status": "editable" } } }