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math.CO2018★ 7 cited
Defining rough sets using tolerances compatible with an equivalence
Jouni Järvinen, László Kovács, Sándor Radeleczki
We consider tolerances compatible with an equivalence on , meaning that the relational product is included in . We present the essential properties of …
math.CO2016★ 16 cited
Representing regular pseudocomplemented Kleene algebras by tolerance-based rough sets
Jouni Järvinen, Sándor Radeleczki
We show that any regular pseudocomplemented Kleene algebra defined on an algebraic lattice is isomorphic to a rough set Kleene algebra determined by a tolerance induced by an irred…