On the Problem of Boundaries from Mereology and Rough Mereology Points of View
Lech Polkowski, Maria Semeniuk–Polkowska · Fundamenta Informaticae · 2014
The notion of a boundary belongs in the canon of the most important notions of mereotopology, the topological theory induced by mereological structures; the importance of this notion rests not only in its applications to practical spatial reasoning,