%0 Journal Article %A Iwasa, Akira %T Preservation of properties of a map by forcing %J Commentationes Mathematicae Universitatis Carolinae %D 2022 %P 121-129 %V 63 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.14712/1213-7243.2021.029/ %R 10.14712/1213-7243.2021.029 %G en %F 10_14712_1213_7243_2021_029