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semi-generalized closed

Last-modified: 2012-03-30 (金) 12:55:23

Definition Edit

  • A subset B of topological space (X, τ) is called semi-generalized closed (in short sg-closed) if semi-closure of B  s-cl(B) ⊂ U whenever B ⊂ U and U is semi-open in X.

Reference Edit

  • Bhattacharyya Paritosh, Lahiri B. K., Semigeneralized closed sets in topology., Indian J. Math. 29 (1987), no. 3, 375-382 (1988).