2 papers
math.FA2025
Polynomial numerical index with respect to a norm-one polynomial
Fábio J. Bertoloto, Elisa R. Santos
In this paper, we introduce the polynomial numerical index of a pair of Banach spaces with respect to a norm-one polynomial. This index generalizes the concept of polynomial numeri…
math.FA2025
Stability results of the Bishop-Phelps-Bollobás property and the generalized AHSP
Thiago Grando, Elisa R. Santos
In this paper, we study the Bishop-Phelps-Bollobás property for operators (BPBp for short). To this end, we investigate the generalized approximate hyperplane series property (gen…