• 충청수학회지
• /
• 제27권1호
• /
• pp.47-56
• /
• 2014

In this paper, we introduce and study the concepts of weak $C^f_k$-spaces for maps which are generalized concepts of $C^f_k$-spaces for maps, and introduce the dual concepts of weak $C^f_k$-spaces for maps and obtain some dual results.

• 충청수학회지
• /
• 제25권1호
• /
• pp.135-140
• /
• 2012

In this paper, we introduce the concepts of $DC^{p}_{k}$-spaces for maps which are the dual concepts of $C^{f}_{k}$-spaces for maps, and characterize $DC^{p}_{k}$-spaces for maps using the dual Gottlieb sets for maps and the LS cocategories.

• 충청수학회지
• /
• 제26권1호
• /
• pp.249-257
• /
• 2013

In this paper, we introduce and study the concepts of $WC^f_k$-spaces with respect to spaces which are generalized concepts of $C^f_k$-spaces for maps, and introduce the dual concepts of $WC^f_k$-spaces with respect to spaces and obtain some dual results.