{ "id": "1402.3246", "version": "v1", "published": "2014-02-13T18:30:36.000Z", "updated": "2014-02-13T18:30:36.000Z", "title": "Computing Hasse-Witt matrices of hyperelliptic curves in average polynomial time", "authors": [ "David Harvey", "Andrew V. Sutherland" ], "comment": "17 pages", "doi": "10.1112/S1461157014000187", "categories": [ "math.NT" ], "abstract": "We present an efficient algorithm to compute the Hasse-Witt matrix of a hyperelliptic curve C/Q modulo all primes of good reduction up to a given bound N, based on the average polynomial-time algorithm recently introduced by Harvey. An implementation for hyperelliptic curves of genus 2 and 3 is more than an order of magnitude faster than alternative methods for N = 2^26.", "revisions": [ { "version": "v1", "updated": "2014-02-13T18:30:36.000Z" } ], "analyses": { "subjects": [ "11G20", "11Y16", "11M38", "14G10" ], "keywords": [ "average polynomial time", "computing hasse-witt matrices", "hyperelliptic curve c/q modulo", "average polynomial-time algorithm", "magnitude faster" ], "tags": [ "journal article" ], "note": { "typesetting": "TeX", "pages": 17, "language": "en", "license": "arXiv", "status": "editable", "adsabs": "2014arXiv1402.3246H" } } }