4 papers
Von Neumann algebras as reduced twisted groupoid -algebras
Alcides Buss, Luiz Felipe Garcia, Tomás Pacheco
We characterize the von Neumann algebras that are isomorphic, as -algebras, to reduced twisted -algebras of locally compact Hausdorff groupoids equipped with continuous H…
B(H) is not a twisted groupoid C*-algebra
Alcides Buss, Luiz Felipe Garcia, Tomás Pacheco
We show that for an infinite dimensional Hilbert space cannot be realized as the reduced twisted -algebra of any locally compact Hausdorff étale groupoid. The proof…
Operator algebras over the p-adic integers -- II
Alcides Buss, Luiz Felipe Garcia, Devarshi Mukherjee
We continue the study of operator algebras over the -adic integers, initiated in our previous work [1]. In this sequel, we develop further structural results and provide new fam…
Operator algebras over the p-adic integers
Alcides Buss, Luiz Felipe Garcia, Devarshi Mukherjee
We introduce -adic operator algebras, which are nonarchimedean analogues of -algebras. We demonstrate that various classical examples of operator algebras - such as group(o…