Re: [sage-devel] Homset or Homspace

2011-05-26 Thread Kwankyu Lee
Hi Robert, I guess some use homspace for the homset for an abelian category. I agree that for consistency, it is good to use homset everywhere in Sage. Kwankyu -- To post to this group, send an email to sage-devel@googlegroups.com To unsubscribe from this group, send an email to sage-devel

Re: [sage-devel] Homset or Homspace

2011-05-26 Thread Robert Bradshaw
Hom(X, Y) is always a set, calling it a homspace seems (to me) to imply some more specific kind of structure, for example (but not necessarily) a vector space. It's nice to always use the same term everywhere for consistency. Homspace is a lot less common: http://www.google.com/search?q=define:hom

[sage-devel] Homset or Homspace

2011-05-26 Thread Kwankyu Lee
Hi, I am confused with the usage of "Homset" and "Homspace". It seems to me that each author choose his/her favorite among "Homset" and "Homspace". But is there a reason to prefer one over the other for new modules? Or do they have distinct usage? I am asking this because at some point William