Author: Tachtsis, Eleftherios
- 
Tachtsis, Eleftherios:
		On certain non-constructive properties of infinite-dimensional vector spaces.
		
			(English).
Commentationes Mathematicae Universitatis Carolinae,
		vol. 59
			(2018),
			issue 3,
		pp. 285-309
- 
Herrlich, Horst; Tachtsis, Eleftherios:
		On the solvability of systems of linear equations over the ring $\mathbb{Z}$ of integers.
		
			(English).
Commentationes Mathematicae Universitatis Carolinae,
		vol. 58
			(2017),
			issue 2,
		pp. 241-260
- 
Herrlich, Horst; Howard, Paul; Tachtsis, Eleftherios:
		On special partitions of Dedekind- and Russell-sets.
		
			(English).
Commentationes Mathematicae Universitatis Carolinae,
		vol. 53
			(2012),
			issue 1,
		pp. 105-122
- 
Herrlich, Horst; Tachtsis, Eleftherios:
		On the number of Russell's socks or $2+2+2+\dots=\text{?}$.
		
			(English).
Commentationes Mathematicae Universitatis Carolinae,
		vol. 47
			(2006),
			issue 4,
		pp. 707-717
- 
Herrlich, Horst; Keremedis, Kyriakos; Tachtsis, Eleftherios:
		Countable sums and products of Loeb and selective metric spaces.
		
			(English).
Commentationes Mathematicae Universitatis Carolinae,
		vol. 46
			(2005),
			issue 2,
		pp. 373-384
- 
Tachtsis, Eleftherios:
		Disasters in metric topology without choice.
		
			(English).
Commentationes Mathematicae Universitatis Carolinae,
		vol. 43
			(2002),
			issue 1,
		pp. 165-174
- 
Keremedis, Kyriakos; Tachtsis, Eleftherios:
		On the extensibility of closed filters in T$_1$ spaces and the existence of well orderable filter bases.
		
			(English).
Commentationes Mathematicae Universitatis Carolinae,
		vol. 40
			(1999),
			issue 2,
		pp. 343-353
 
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