6533b829fe1ef96bd128abaa

RESEARCH PRODUCT

Variable-Range Approximate Systems Induced by Many-Valued L-Relations

Aleksandrs EļkinsSang-eon HanAlexander P. Sostak

subject

Range (mathematics)Pure mathematicsComplete latticeRough setMathematicsVariable (mathematics)

description

The concept of a many-valued L-relation is introduced and studied. Many-valued L-relations are used to induce variable-range quasi-approximate systems defined on the lines of the paper (A. Sostak, Towards the theory of approximate systems: variable-range categories. Proceedings of ICTA2011, Cambridge Univ. Publ. (2012) 265–284.) Such variable-range (quasi-)approximate systems can be realized as special families of L-fuzzy rough sets indexed by elements of a complete lattice.

https://doi.org/10.1007/978-3-319-08852-5_5