IN books on mathematics and physics where vector analysis is used it is customary to use clarendon or thick-letter type to distinguish vector from scalar quantities. This practice has, among others, ...

Abstract In this paper, we introduce the concept of a weak q-distance and for this distance we derive a set-valued version of Ekeland's variational principle in the setting of uniform spaces. By using ...

Let E be a Banach function space on a probability measure space (Ω,Σ,μ). Let X be a Banach space and E(X) be the associated Köthe-Bochner space. An operator on E(X) is called a multiplication operator ...