activity
20072026
most citedC*-simplicity and the unique trace property for discrete groups

85 citations · 338 across the 22 of their papers we have counts for

collaborators

32 papers

math.OA2026

Noncommutative majorization

Matthew Kennedy, Paul Skoufranis

We introduce a theory of noncommutative majorization that extends the classical majorization theory introduced by Hardy, Littlewood and Pólya to tuples of self-adjoint matrices tha…

math.OA2026

Simplicity of reduced crossed products

Thomas Bray, Matthew Kennedy

We characterize the simplicity of reduced crossed product C*-algebras in terms of stabilizer subgroups. Specifically, we prove that if is a countable group and is a minimal…

math.OA2026

Injective envelopes of partial C*-dynamical systems

Matthew Kennedy, Larissa Kroell, Camila F. Sehnem

We extend Hamana's theory of injective envelopes, along with several key features of the theory, to the realm of partial C*-dynamical systems. In particular, we show that a partial…

math.OA2021★ 3 cited

The ideal intersection property for essential groupoid C*-algebras

Matthew Kennedy, Se-Jin Kim, Xin Li +2

We characterise, in several complementary ways, étale groupoids with locally compact Hausdorff space of units whose essential groupoid C*-algebra has the ideal intersection propert…

math.GR2021

Amenability, proximality and higher order syndeticity

Matthew Kennedy, Sven Raum, Guy Salomon

We show that the universal minimimal proximal flow and the universal minimal strongly proximal flow of a discrete group can be realized as the Stone spaces of translation invariant…

math.OA2021

Nonunital operator systems and noncommutative convexity

Matthew Kennedy, Se-Jin Kim, Nicholas Manor

We establish the dual equivalence of the category of (potentially nonunital) operator systems and the category of pointed compact nc (noncommutative) convex sets, extending a resul…