On Sunday, September 2, 2018 at 12:28:56 AM UTC+3, Simon King wrote:
>
> Hi Dima, 
>
> On 2018-09-01, Dima Pasechnik <dim...@gmail.com <javascript:>> wrote: 
> > Did you check that 
> > 
> http://doc.sagemath.org/html/en/reference/interfaces/sage/interfaces/frobby.html#sage.interfaces.frobby.Frobby.hilbert
>  
> > doesn't do what you need? 
>
> Two questions: 
> - The docs say: "Use the -univariate option to get the univariate 
>   series." Unfortunately the docs do not reveal HOW to use an option. 
>

http://www.broune.com/frobby/manual.pdf

says that it's an option to one of its scripts.

 

> - My rings are graded. How can I tell frobby about the grading? 
>

Frobby gives you the Hilbert function with N^n-grading, with all weights of 
the variables x_j being 1. 
I may be saying something silly, but isn't  substituting x_j |-> x_j^{w_j}
for weights w_j of x_j gives you the function you need (making it 
univariate then is trivial).

Dima



> Best regards, 
> Simon 
>
>

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