2 papers
math.FA2026
Polynomial gaps below linear growth for Kreiss bounded semigroups and operators
Loris Arnold
We prove that every Kreiss bounded -semigroup on a Hilbert space satisfies \[ \|T_t\|\le C(1+t)^{1-\varepsilon_K}, \qquad t\ge0, \] where dep…
cs.DS2025
Generalization of Repetitiveness Measures for Two-Dimensional Strings
Lorenzo Carfagna, Giovanni Manzini, Giuseppe Romana +2
The problem of detecting and measuring the repetitiveness of one-dimensional strings has been extensively studied in data compression and text indexing. Our understanding of these…