3 papers
astro-ph.HE2026
A semi-coherent search for optical pulsations from Scorpius X-1
Riccardo La Placa, Alessandro Papitto, Giulia Illiano +14
The emission of continuous gravitational waves (CWs) possibly explains why pulsars spinning with a period shorter than a millisecond have not been observed so far. Neutron stars ac…
math.FA2025
The Extreme Points of the Unit Ball of the James space and its dual spaces
Spiros A. Argyros, Manuel González
We provide a new proof of S. Bellenot's characterization of the extreme points of the unit ball of James quasi-reflexive space . We also provide an explicit description of…
math.FA2024
On the three-space property for subprojective and superprojective Banach spaces
Manuel González, Javier Pello
We introduce the notion of subprojective and superprojective operators and we use them to prove a variation of the three-space property for subprojective and superprojective spaces…