Author(s)

Jiayang Wang

College of Information Science and Engineering, Central South University, Changsha, China.

To the reduct problems of decision system, the paper proposes the notion of dynamic core according to the dynamic reduct model. It describes various formal definitions of dynamic core, and discusses some properties about dynamic core. All of these show that dynamic core possesses the essential characters of the feature core.

Decision System; Reduction; Dynamic Core

J. Wang, "The Feature Core of Dynamic Reduct," Applied Mathematics, Vol. 3 No. 5, 2012, pp. 484-488. doi: 10.4236/am.2012.35073.