The operators that will be used frequently in later chapters are defined and their properties set out very clearly. In particular, erosion and dilation, opening and closing are introduced. The notion of the centre of a lattice is explained.

Adjunctions, Conditional dilation, Conditional erosion, Increasing and decreasing operators, Lattice operators, Opening and closing, Ordering, Tarski fixpoint theorem
Advances in Imaging and Electron Physics
Centrum Wiskunde & Informatica, Amsterdam, The Netherlands

Heijmans, H.J.A.M. (2020). Operators on complete lattices. Advances in Imaging and Electron Physics. doi:10.1016/bs.aiep.2020.07.003