Eleftherios Tachtsis: search on Z-Library

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1

Compact Metric Spaces and Weak Forms of the Axiom of Choice

Kyriakos Keremedis, Eleftherios Tachtsis

Journal:

Mathematical Logic Quarterly

Year:

2001

Language:

english

File:

PDF, 202 KB

english, 2001

2

Some Weak Forms of the Axiom of Choice Restricted to the Real Line

Kyriakos Keremedis, Eleftherios Tachtsis

Journal:

Mathematical Logic Quarterly

Year:

2001

Language:

english

File:

PDF, 172 KB

english, 2001

3

Weak Axioms of Choice for Metric Spaces

Kyriakos Keremedis and Eleftherios Tachtsis

Journal:

Proceedings of the American Mathematical Society

Year:

2005

Language:

english

File:

PDF, 400 KB

english, 2005

4

On Lindelöf Metric Spaces and Weak Forms of the Axiom of Choice

Kyriakos Keremedis, Eleftherios Tachtsis

Journal:

Mathematical Logic Quarterly

Year:

2000

Language:

english

File:

PDF, 209 KB

english, 2000

5

Properties of the real line and weak forms of the Axiom of Choice

Omar De la Cruz, Eric Hall, Paul Howard, Kyriakos Keremedis, Eleftherios Tachtsis

Journal:

Mathematical Logic Quarterly

Year:

2005

Language:

english

File:

PDF, 192 KB

english, 2005

6

Odd-sized partitions of Russell-sets

Horst Herrlich, Eleftherios Tachtsis

Journal:

Mathematical Logic Quarterly

Year:

2010

Language:

english

File:

PDF, 113 KB

english, 2010

7

Different versions of a first countable space without choice

Kyriakos Keremedis, Eleftherios Tachtsis

Journal:

Topology and its Applications

Year:

2009

Language:

english

File:

PDF, 146 KB

english, 2009

8

Weak Axioms of Choice for Metric Spaces

Kyriakos Keremedis and Eleftherios Tachtsis

Journal:

Proceedings of the American Mathematical Society

Year:

2005

File:

PDF, 400 KB

2005

9

ON RAMSEY’S THEOREM AND THE EXISTENCE OF INFINITE CHAINS OR INFINITE ANTI-CHAINS IN INFINITE POSETS

TACHTSIS, ELEFTHERIOS

Journal:

Journal of Symbolic Logic

Year:

2016

Language:

english

File:

PDF, 163 KB

english, 2016

10

No decreasing sequence of cardinals

Howard, Paul, Tachtsis, Eleftherios

Journal:

Archive for Mathematical Logic

Year:

2016

Language:

english

File:

PDF, 539 KB

english, 2016

11

On Martin's Axiom and Forms of Choice

Tachtsis, Eleftherios

Journal:

Mathematical Logic Quarterly

Year:

2016

Language:

english

File:

PDF, 301 KB

english, 2016

12

On the set-theoretic strength of the existence of disjoint cofinal sets in posets without maximal elements

Howard, Paul, Saveliev, Denis I., Tachtsis, Eleftherios

Journal:

Mathematical Logic Quarterly

Year:

2016

Language:

english

File:

PDF, 580 KB

english, 2016

13

On infinite-dimensional Banach spaces and weak forms of the axiom of choice

Howard, Paul, Tachtsis, Eleftherios

Journal:

Mathematical Logic Quarterly

Year:

2017

Language:

english

File:

PDF, 648 KB

english, 2017

14

On ultracompact spaces in ZF

Tachtsis, Eleftherios

Journal:

Topology and its Applications

Year:

2019

Language:

english

File:

PDF, 564 KB

english, 2019

15

Łoś's theorem and the axiom of choice

Tachtsis, Eleftherios

Journal:

Mathematical Logic Quarterly

Year:

2019

Language:

english

File:

PDF, 307 KB

english, 2019

16

Juhász’s topological generalization of Neumer’s theorem may fail in $\mathsf {ZF}$

Tachtsis, Eleftherios

Journal:

Proceedings of the American Mathematical Society

Year:

2019

File:

PDF, 272 KB

2019

17

Cellularity of infinite Hausdorff spaces in ZF

Keremedis, Kyriakos, Tachtsis, Eleftherios

Journal:

Topology and its Applications

Year:

2020

File:

PDF, 493 KB

2020

18

Weak axioms of choice for metric spaces

Keremedis, Kyriakos, Tachtsis, Eleftherios

Journal:

Proceedings of the American Mathematical Society

Year:

2005

File:

PDF, 220 KB

2005

19

Choice principles for special subsets of the real line

Kyriakos Keremedis, Eleftherios Tachtsis

Journal:

Mathematical Logic Quarterly

Year:

2003

Language:

english

File:

PDF, 171 KB

english, 2003

20

Countable sums and products of metrizable spaces in ZF

Kyriakos Keremedis, Eleftherios Tachtsis

Journal:

Mathematical Logic Quarterly

Year:

2005

Language:

english

File:

PDF, 161 KB

english, 2005

21

On Russell and Anti Russell-Cardinals

Herrlich, Horst, Keremedis, Kyriakos, Tachtsis, Eleftherios

Journal:

Quaestiones Mathematicae

Year:

2010

Language:

english

File:

PDF, 160 KB

english, 2010

22

The cardinal inequality α 2 < 2 α

Herrlich, Horst, Howard, Paul, Tachtsis, Eleftherios

Journal:

Quaestiones Mathematicae

Year:

2011

Language:

english

File:

PDF, 346 KB

english, 2011

23

On a topological choice principle by Murray Bell

Howard, Paul, Tachtsis, Eleftherios

Journal:

Topology and its Applications

Year:

2013

Language:

english

File:

PDF, 361 KB

english, 2013

24

An Independence Result Concerning Russell-Cardinals

Tachtsis, Eleftherios

Journal:

Quaestiones Mathematicae

Year:

2008

Language:

english

File:

PDF, 133 KB

english, 2008

25

Striking differences between ZF and ZF+weak choice in view of metric spaces

Herrlich, Horst, Keremedis, Kyriakos, Tachtsis, Eleftherios

Journal:

Quaestiones Mathematicae

Year:

2002

Language:

english

File:

PDF, 288 KB

english, 2002

26

The existence of free ultrafilters on ω does not imply the extension of filters on ω to ultrafilters

Hall, Eric J., Keremedis, Kyriakos, Tachtsis, Eleftherios

Journal:

Mathematical Logic Quarterly

Year:

2013

Language:

english

File:

PDF, 238 KB

english, 2013

27

On vector spaces over specific fields without choice

Howard, Paul, Tachtsis, Eleftherios

Journal:

Mathematical Logic Quarterly

Year:

2013

Language:

english

File:

PDF, 307 KB

english, 2013

28

On a variant of Rado’s selection lemma and its equivalence with the Boolean prime ideal theorem

Howard, Paul, Tachtsis, Eleftherios

Journal:

Archive for Mathematical Logic

Year:

2014

Language:

english

File:

PDF, 182 KB

english, 2014

29

Products of some special compact spaces and restricted forms of AC

Keremedis, Kyriakos, Tachtsis, Eleftherios

Journal:

Journal of Symbolic Logic

Year:

2010

Language:

english

File:

PDF, 851 KB

english, 2010

30

Finiteness Classes and Small Violations of Choice

Herrlich, Horst, Howard, Paul, Tachtsis, Eleftherios

Journal:

Notre Dame Journal of Formal Logic

Year:

2016

Language:

english

File:

PDF, 372 KB

english, 2016

31

On variants of the principle of consistent choices, the minimal cover property and the 2-compactness of generalized Cantor cubes

Tachtsis, Eleftherios

Journal:

Topology and its Applications

Year:

2017

Language:

english

File:

PDF, 572 KB

english, 2017

32

On the minimal cover property and certain notions of finite

Tachtsis, Eleftherios

Journal:

Archive for Mathematical Logic

Year:

2017

Language:

english

File:

PDF, 520 KB

english, 2017

33

Idempotent ultrafilters without Zorn’s Lemma

Di Nasso, Mauro, Tachtsis, Eleftherios

Journal:

Proceedings of the American Mathematical Society

Year:

2017

Language:

english

File:

PDF, 266 KB

english, 2017

34

A note on the deductive strength of the Nielsen-Schreier theorem

Tachtsis, Eleftherios

Journal:

Mathematical Logic Quarterly

Year:

2018

Language:

english

File:

PDF, 198 KB

english, 2018

35

ON THE SET-THEORETIC STRENGTH OF ELLIS’ THEOREM AND THE EXISTENCE OF FREE IDEMPOTENT ULTRAFILTERS ON ω

TACHTSIS, ELEFTHERIOS

Journal:

Journal of Symbolic Logic

Year:

2018

File:

PDF, 277 KB

2018

36

Countable compact Hausdorff spaces need not be metrizable in ZF

Keremedis, Kyriakos, Tachtsis, Eleftherios

Journal:

Proceedings of the American Mathematical Society

Year:

2007

Language:

english

File:

PDF, 165 KB

english, 2007

37

Countable compact Hausdorff spaces need not be metrizable in ZF

Keremedis, Kyriakos, Tachtsis, Eleftherios

Journal:

Proceedings of the American Mathematical Society

Year:

2007

File:

PDF, 165 KB

2007

38

Infinite Hausdorff spaces may lack cellular families or discrete subsets of cardinality ℵ0

Tachtsis, Eleftherios

Journal:

Topology and its Applications

Year:

2019

File:

PDF, 1.01 MB

2019

39

On Ramsey choice and partial choice for infinite families of n-element sets

Halbeisen, Lorenz, Tachtsis, Eleftherios

Journal:

Archive for Mathematical Logic

Year:

2019

File:

PDF, 419 KB

2019