Let an estimated function belong to a Lipschitz class of order α. Consider a minimax approach where the infimum is taken over all possible estimators and the supremum is taken over the considered ...

Topological spaces form the foundational framework for modern analysis and geometry, characterised by a set equipped with a collection of open subsets satisfying specific axioms. This flexible ...

Modern pointwise ergodic theory developed largely out of the work of Bourgain in the late 80s and early 90s, but recent efforts over the past 10 years have seen the field develop in new directions, as ...