[sage-devel] Bug: Neighbors of a vertex in an immutable digraph

Maybe this should be mentioned in the list, as this is quite a basic function: sage: DiGraph({0: [1]}, immutable=False).neighbors(1) [0] sage: DiGraph({0: [1]}, immutable=True).neighbors(1) [] The ticket is https://trac.sagemath.org/ticket/25550 and I am not planning to work on it at least

[sage-devel] Rational functions

Hello everyone, Please allow me to advertise a couple of tickets currently waiting to be reviewed that deal with fraction field elements, and in particular rational fractions in several variables: https://trac.sagemath.org/ticket/25290 https://trac.sagemath.org/ticket/23909

[sage-devel] Re: divisions

Travis Scrimshaw wrote: >> I agree that having x^-1 and 1/x being different is confusing. I will >> update the branch at #25524 to make them identically return a >> rational fraction. > > I think this is even worse than the confusion. I agree with that. >> Though, close to what Nils talked

[sage-devel] Re: Permutation group: faster use of stabilizer chain from gap

Okay, I think I got all the bottlenecks resolved now -- I'd appreciate further comments and reviews on the ticket (https://trac.sagemath.org/ ticket/25477 ), especially from someone familiar with the libgap interface. -- You received this message because