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semi-generalized open

Last-modified: 2013-04-19 (金) 13:58:48

Definition Edit

  • Let (X, τ) be a topological space. A subset B ⊆ X is called semi-generalized open if the complement X-B is a semi-generalized closed set.

Remark Edit

  • semi-generalized open and generalized open? are, in general, independent.

Reference Edit

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