2 citations · 3 across the 4 of their papers we have counts for
5 papers · 1 filter
Operator systems and positive extensions over discrete groups
Evgenios T. A. Kakariadis, Malte Leimbach, Ivan G. Todorov +1
The extension problem asks whether positive semi-definite functions on a symmetric unital subset of a discrete group can be extended to positive semi-definite functions on the whol…
Symmetrisations of operator spaces
George K. Eleftherakis, Evgenios T. A. Kakariadis, Ivan G. Todorov
Let be a unital C*-algebra, be an operator -system and be an operator space that is a left operator -module. We introduce the symmetrisation of the pair a…
Perfect strategies for non-signalling games
M. Lupini, L. Mancinska, V. I. Paulsen +5
We unify and consolidate various results about non-signall-ing games, a subclass of non-local two-player one-round games, by introducing and studying several new families of games…
Operator synthesis and tensor products
G. K. Eleftherakis, I. G. Todorov
We show that Kraus' property is preserved under taking weak* closed sums with masa-bimodules of finite width, and establish an intersection formula for weak* closed spans of…
Stable isomorphism of dual operator spaces
G. K. Eleftherakis, V. I. Paulsen, I. G. Todorov
We prove that two dual operator spaces and are stably isomorphic if and only if there exist completely isometric normal representations and of and , respecti…