关键词: soft set, soft set operation, dual soft set, BCK algebra, (&alpha, , &beta, )-soft BCK algebra

Abstract: Firstly, by endowing a parameter set with the algebra structure of BCK algebras, this paper introduces the concept of (α,β)-soft BCK algebras, and verifies that the (α,β)-soft BCK algebras is a non-trivial generalization of the intersectional soft BCK algebras and the α-intersectional soft BCK algebras. Then this paper reaches the conclusions that two (α,β)-soft BCK algebras are still (α,β)-soft BCK algebras under the intersection, union and the AND operation of soft sets, and investigates the properties of the homomorphism image and inverse image of the (α,β)-soft BCK algebras. At last, by applying the dual soft sets, this paper gives the equivalent characterizations of the (α,β)-soft BCK algebras.

Key words: 软集；软集运算；对偶软集；BCK代数；(&alpha, ,&beta, )-软BCK代数