Contra continuity properties of relations in relator spaces
Á Száz - Advances in Topology and Their Interdisciplinary …, 2023 - Springer
Abstract In 1994, Julian Dontchev called a function f of one topological space X to another Y
to be contra continuous if, for each open subset V of Y, the inverse image f-1 [V] is a closed …
to be contra continuous if, for each open subset V of Y, the inverse image f-1 [V] is a closed …