1
$\begingroup$

What is an example of an algebra which is H-unital (that is its Bar complex is acyclic) and yet it is not unital?

Improve this question
$\endgroup$
2
  • 1
    $\begingroup$ Anything with local units (this example is in Loday's book). There is also a version of H-unitality for Banach algebras, in which case having a bounded approximate identity guarantees H-unitality $\endgroup$
    – Yemon Choi
    Commented Apr 29, 2014 at 18:46
  • $\begingroup$ Cool I'll check that out, Thanks Yemon :D $\endgroup$
    – Hunitaldude
    Commented Apr 29, 2014 at 20:37

0

Reset to default

You must log in to answer this question.