15
votes
1answer
786 views

Convolution algebras for double groupoids?

There is a lot of work of course on convolution algebras of measured groupoids, and this gives "Noncommutative geometry". However there is a lot of interest in algebraically structured groupoids, for ...
7
votes
0answers
411 views

2 questions on the groupoid algebra

Dear All: I would like some refs and/or thoughts on the following two related questions: 1) If I am not mistaken, there is a " Groupoid Convolution Algebra" (GCA) contravariant functor from the ...
6
votes
2answers
433 views

Is a groupoid determined by its Hopfish algebra?

This is a follow up to my question What is the precise relationship between groupoid language and noncommutative algebra language?. I will briefly review some definitions; for details, a good place ...
14
votes
3answers
840 views

What is the precise relationship between groupoid language and noncommutative algebra language?

I have sitting in front of me two 2-categories. On the left, I have the 2-category GPOID, whose: objects are groupoids; 1-morphisms are (left-principal?) bibundles; 2-morphisms are bibundle ...