{ "id": "1102.0701", "version": "v1", "published": "2011-02-03T15:25:32.000Z", "updated": "2011-02-03T15:25:32.000Z", "title": "On zeros of the Alexander polynomial of an alternating knot", "authors": [ "Lilya Lyubich", "Kunio Murasugi" ], "comment": "17 pages, 3 figures", "categories": [ "math.GT" ], "abstract": "We prove that for any zero {\\alpha} of the Alexander polynomial of a two-bridge knot, -3 < Re({\\alpha}) < 6. Furthermore, for a large class of two-bridge knots we prove -1