Exemple #1
0
def statistics_by_degree(d):
    stats = get_stats()
    info = {
        'counts': stats.counts(),
        'stats': stats.stats(),
        'dstats': stats.dstats()[d],
        'degree': d
    }
    if not d in info['counts']['degrees']:
        if d==1:
            return redirect(url_for("ec.statistics"))
        if d<0:
            info['error'] = "Negative degree!"
        else:
            info['error'] = "The database does not contain any elliptic curves defined over fields of degree %s" % d
    info['degree_stats'] = ecnf_degree_summary(d)
    sigs = ["(%s,%s)" % (r,(d-r)/2) for r in range(d%2,d+1,2)]
    info['sig_stats'] = dict([(s,get_signature_stats(s)) for s in sigs])
    credit = 'John Cremona'
    if d==2:
        t = 'Elliptic curves over quadratic number fields'
    elif d==3:
        t = 'Elliptic curves over cubic number fields'
    elif d==4:
        t = 'Elliptic curves over quartic number fields'
    elif d==5:
        t = 'Elliptic curves over quintic number fields'
    elif d==6:
        t = 'Elliptic curves over sextic number fields'
    else:
        t = 'Elliptic curves over number fields of degree %s' % d

    bread = [('Elliptic Curves', url_for("ecnf.index")),
              ('degree %s' % d,' ')]
    return render_template("by_degree.html", info=info, credit=credit, title=t, bread=bread, learnmore=learnmore_list())
Exemple #2
0
def statistics_by_degree(d):
    stats = get_stats()
    info = {
        'counts': stats.counts(),
        'stats': stats.stats(),
        'dstats': stats.dstats()[d],
        'degree': d
    }
    if not d in info['counts']['degrees']:
        if d==1:
            return redirect(url_for("ec.statistics"))
        if d<0:
            info['error'] = "Negative degree!"
        else:
            info['error'] = "The database does not contain any elliptic curves defined over fields of degree %s" % d
    info['degree_stats'] = ecnf_degree_summary(d)
    sigs = ["(%s,%s)" % (r,(d-r)/2) for r in range(d%2,d+1,2)]
    info['sig_stats'] = dict([(s,get_signature_stats(s)) for s in sigs])
    credit = 'John Cremona'
    if d==2:
        t = 'Elliptic curves over quadratic number fields'
    elif d==3:
        t = 'Elliptic curves over cubic number fields'
    elif d==4:
        t = 'Elliptic curves over quartic number fields'
    elif d==5:
        t = 'Elliptic curves over quintic number fields'
    elif d==6:
        t = 'Elliptic curves over sextic number fields'
    else:
        t = 'Elliptic curves over number fields of degree %s' % d

    bread = [('Elliptic Curves', url_for("ecnf.index")),
              ('degree %s' % d,' ')]
    return render_template("by_degree.html", info=info, credit=credit, title=t, bread=bread, learnmore=learnmore_list())
Exemple #3
0
def statistics_by_degree(d):
    if d == 1:
        return redirect(url_for("ec.statistics"))
    info = {}

    ecnfstats = db_ecnfstats()
    sigs_by_deg = ecnfstats.find_one({'_id': 'signatures_by_degree'},
                                     projection={'_id': False})
    if not str(d) in sigs_by_deg:
        info[
            'error'] = "The database does not contain any elliptic curves defined over fields of degree %s" % d
    else:
        info['degree'] = d

    fields_by_sig = ecnfstats.find_one({'_id': 'fields_by_signature'},
                                       projection={'_id': False})
    counts_by_sig = ecnfstats.find_one({'_id': 'conductor_norm_by_signature'},
                                       projection={'_id': False})
    counts_by_field = ecnfstats.find_one({'_id': 'conductor_norm_by_field'},
                                         projection={'_id': False})

    def field_counts(f):
        ff = f.replace(".", ":")
        return [f, counts_by_field[ff]]

    def sig_counts(sig):
        sorted_fields = sorted(fields_by_sig[sig], key=sort_field)
        return [
            sig, counts_by_sig[sig], [field_counts(f) for f in sorted_fields]
        ]

    info['summary'] = ecnf_degree_summary(d)
    info['sig_stats'] = [sig_counts(sig) for sig in sigs_by_deg[str(d)]]
    credit = 'John Cremona'
    if d == 2:
        t = 'Elliptic curves over quadratic number fields'
    elif d == 3:
        t = 'Elliptic curves over cubic number fields'
    elif d == 4:
        t = 'Elliptic curves over quartic number fields'
    elif d == 5:
        t = 'Elliptic curves over quintic number fields'
    elif d == 6:
        t = 'Elliptic curves over sextic number fields'
    else:
        t = 'Elliptic curves over number fields of degree {}'.format(d)

    bread = [('Elliptic Curves', url_for("ecnf.index")),
             ('degree %s' % d, ' ')]
    return render_template("ecnf-by-degree.html",
                           info=info,
                           credit=credit,
                           title=t,
                           bread=bread,
                           learnmore=learnmore_list())
Exemple #4
0
def statistics_by_degree(d):
    if d==1:
        return redirect(url_for("ec.statistics"))
    info = {}

    ecnfstats = db_ecnfstats()
    sigs_by_deg = ecnfstats.find_one({'_id':'signatures_by_degree'}, projection={'_id': False})
    if not str(d) in sigs_by_deg:
        info['error'] = "The database does not contain any elliptic curves defined over fields of degree %s" % d
    else:
        info['degree'] = d

    fields_by_sig = ecnfstats.find_one({'_id':'fields_by_signature'}, projection={'_id': False})
    counts_by_sig = ecnfstats.find_one({'_id':'conductor_norm_by_signature'}, projection={'_id': False})
    counts_by_field = ecnfstats.find_one({'_id':'conductor_norm_by_field'}, projection={'_id': False})

    def field_counts(f):
        ff = f.replace(".",":")
        return [f,counts_by_field[ff]]

    def sig_counts(sig):
        sorted_fields = sorted(fields_by_sig[sig], key=sort_field)
        return [sig, counts_by_sig[sig], [field_counts(f) for f in sorted_fields]]

    info['summary'] = ecnf_degree_summary(d)
    info['sig_stats'] = [sig_counts(sig) for sig in sigs_by_deg[str(d)]]
    credit = 'John Cremona'
    if d==2:
        t = 'Elliptic curves over quadratic number fields'
    elif d==3:
        t = 'Elliptic curves over cubic number fields'
    elif d==4:
        t = 'Elliptic curves over quartic number fields'
    elif d==5:
        t = 'Elliptic curves over quintic number fields'
    elif d==6:
        t = 'Elliptic curves over sextic number fields'
    else:
        t = 'Elliptic curves over number fields of degree {}'.format(d)

    bread = [('Elliptic Curves', url_for("ecnf.index")),
              ('Degree %s' % d,' ')]
    return render_template("ecnf-by-degree.html", info=info, credit=credit, title=t, bread=bread, learnmore=learnmore_list())