90 reputation
5
bio website
location
age
visits member for 3 years, 3 months
seen Mar 20 '13 at 0:14

Jul
2
awarded  Curious
Jan
15
asked Coproduct of Weak Bialgebras
Dec
3
comment Are the categories of bialgebras and weak biaglebras cocomplete/algebraic?
One more question about coprodut of weak bialgebras, how do you concretely compute a coproduct (or colimit) of weak bialgebras. In other words, you can compute the coproduct of the underlying algebras, but then how do you build the appropriate weak bialgebra structure on it?
Oct
22
accepted Are the categories of bialgebras and weak biaglebras cocomplete/algebraic?
Oct
22
comment Are the categories of bialgebras and weak biaglebras cocomplete/algebraic?
Makes sense, thanks!
Oct
19
comment Are the categories of bialgebras and weak biaglebras cocomplete/algebraic?
I've seen in Adamek - Rosicky that an equifer is accessible (Lem. 2.76), so how do we get cocompleteness?
Sep
28
comment Are the categories of bialgebras and weak biaglebras cocomplete/algebraic?
Thanks for the answer! what about the category of weak bialgebras?
Sep
28
asked Are the categories of bialgebras and weak biaglebras cocomplete/algebraic?
May
21
revised Noncommutative Localization of a Ring : Complete Construction
added 148 characters in body
May
21
comment Noncommutative Localization of a Ring : Complete Construction
Thanks David! Here as well, Artin only construct the ring of fractions for a set S containing only regular elements. This construction does not work in the general case, when we allow elements in S to be zero-divisors.
May
21
comment Noncommutative Localization of a Ring : Complete Construction
Thanks for the link! But in chapter 6, Goodearl & Warfield only treat the case where the set S contains no zero-divisor. I am looking the more general case where S can contain zero-divisors as well.
May
21
asked Noncommutative Localization of a Ring : Complete Construction
Feb
10
asked Group-like Elements in a Coquasitriangular Bialgebra
Jan
23
awarded  Scholar
Jan
23
awarded  Supporter
Jan
23
accepted Is a bialgebra with all group-like elements invertible a Hopf algebra?
Jan
20
awarded  Editor
Jan
20
revised Is a bialgebra with all group-like elements invertible a Hopf algebra?
added 1 characters in body
Jan
20
awarded  Student
Jan
20
asked Is a bialgebra with all group-like elements invertible a Hopf algebra?