#12043: Hecke series for overconvergent modular forms
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Reporter: lauder | Owner: craigcitro
Type: enhancement | Status: needs_work
Priority: minor | Milestone: sage-5.0
Component: modular forms | Keywords:
Work_issues: | Upstream: N/A
Reviewer: | Author: lauder
Merged: | Dependencies:
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Changes (by lauder):
* cc: was, ljpk (removed)
Comment:
Dear David
I have applied your patch (with Sebastian's help) and then made my
changes. I created a new patch myself: hopefully I did the right thing. In
any case, I will email you my new source code directly (just in case I
messed up).
Note that your new version failed on a few tests on my machine: there was
a stray "print" statement you must have put in sometime; also, it
complained about some alteration you made to the little function for
testing if a weight list was valid. I did not understand what was
happening with the latter, so I have not touched this: when I tested my
new version it passed everything OK except that weight list one.
I tried to address all of your smaller concerns. The only substantial
change was that I altered the random_new_basis_modp function so that it
does not waste time changing between matrices and lists: this also
involved a small change to the complementary_spaces_modp function.
I meant to check why the new version was slower for large p, but forgot.
Perhaps you could have a look at whether using eisenstein series over Q is
slowing down the computation of E_(p-1) for, say, p = 79, N = 1, k = 2 and
m = 3.
Anyway, many thanks again for all the improvements you made to the code!
Best wishes
Alan.
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/12043#comment:11>
Sage <http://www.sagemath.org>
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