Vol. 62, No. 3, pp. 289-293 (2005)
Almost normality and mild normality of the Tychonoff plank
Lutfi N. KalantanKing Abdulaziz University, Department of Mathematics,
P.O. Box 114641, Jeddah 21381 -- SAUDI ARABIA
Abstract: The Tychonoff Plank is a popular example of the fact normality is not hereditary. We will show that it is mildly normal but not almost normal.
Keywords: $\kappa$-normal; mildly normal; almost normal; regularly closed; normal.
Classification (MSC2000): 54D15, 54B10.
Full text of the article:
Electronic version published on: 7 Mar 2008.