2 http://hdl.handle.net/10338.dmlcz/119237 2 Abstracts of theses in mathematics http://hdl.handle.net/10338.dmlcz/119255 Abstracts of theses in mathematics Almost closed sets and topologies they determine http://hdl.handle.net/10338.dmlcz/119254 Almost closed sets and topologies they determine Almost$^*$ realcompactness http://hdl.handle.net/10338.dmlcz/119253 Almost$^*$ realcompactness On remote points, non-normality and $\pi$-weight $\omega_1$ http://hdl.handle.net/10338.dmlcz/119252 On remote points, non-normality and $\pi$-weight $\omega_1$