Showing 2025 · math.OAShow all
4 papers · 2 filters
math.OA2025
New insights into linear maps which are anti-derivable at zero
Jiankui Li, Antonio M. Peralta, Shanshan Su
Let be a Banach algebra admitting a bounded approximate unit and satisfying property . Suppose is a continuous linear map, where is an esse…
math.OA2025
Uniqueness of Hahn--Banach extensions and inner ideals in real C-algebras and real JB-triples
Lei Li, Antonio M. Peralta, Shanshan Su +1
We show that every closed (resp., weak-closed) inner ideal of a real JB-triple (resp. a real JBW-triple) is Hahn--Banach smooth (resp., weak-Hahn--Banach sm…
math.OA2025
The Mackey-Gleason-Bunce-Wright problem for vector-valued measures on projections in a JBW-algebra
Gerardo M. Escolano, Antonio M. Peralta, Armando R. Villena
Let denote the lattice of projections of a JBW-algebra , and let be a Banach space. A bounded finitely additive -valued measur…
math.OA2025
Identifying JBW-algebras through their spheres of positive elements
Antonio M. Peralta, Pedro Saavedra
Let and be JBW-algebras with projection lattices and , and let $Θ: \mathcal{P} (\mathfrak…