> Now for the serious stuff as we need to figure what's going wrong at some
> stage
> so here are some of our failures:
>
> sage -t "devel/sage/doc/en/bordeaux_2008/modular_symbols.rst"
> *********************************************************************
> File "/opt/sage/devel/sage/doc/en/bordeaux_2008/modular_symbols.rst", line
> 124:
> sage: a.modular_symbol_rep()
> Expected:
> 36*X^2*{-1/6, 0} + 12*X*Y*{-1/6, 0} + Y^2*{-1/6, 0}
> Got:
> 36*X^2*{5/6, 1} - 60*X*Y*{5/6, 1} + 25*Y^2*{5/6, 1}
> **********************************************************************
>
> There are other errors in modsym, they are probably worth a thread all by
> themselves.
>
I'm currently working in the modular symbols area. For some things
there are tickets (e.g. trac #5456: "remove 32/64 bit dependency in
modular symbols base enumerations"), for others not. Basically, one
needs e.g. some "good" definition of kinds of standard generators. I
know how to do this, I've already got some working code, but nothing
ready for prime time yet.
The above results both should be mathematically correct (I didn't
check), but as of now, there is no notion of a canonical answer.
Cheers,
Georg
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