Personal information

Activities

Employment (1)

Siedlce University of Natural Sciences and Humanities: Siedlce, Masovian Voivodeship, PL

2011-04-01 to present | Professor (Faculty of Exact and Natural Sciences, Institute of Mathematics )
Employment
Source: Self-asserted source
Eliza Wajch

Education and qualifications (1)

Uniwersytet Łódzki: Lodz, PL

1988-01-13 to 1998-05-13 | Ph. D. (1988) and habilitation (1998) , Doctor of Sciences (Facuty of Mathematics and Computer Sciences)
Education
Source: Self-asserted source
Eliza Wajch

Works (32)

Quasiorders for a Characterization of Iso-dense Spaces

Bulletin of the Malaysian Mathematical Sciences Society
2024-09 | Journal article
Contributors: Tom Richmond; Eliza Wajch
Source: check_circle
Crossref

Troublesome Quasi-Cardinals and the Axiom of Choice

Synthese Library
2023 | Book chapter
Part of ISBN: 9783031318399
Part of ISBN: 9783031318405
Part of ISSN: 0166-6991
Part of ISSN: 2542-8292
Contributors: Eliza Wajch
Source: Self-asserted source
Eliza Wajch

On $P$-spaces and $G_{\delta}$-sets in the absence of the Axiom of Choice

Bulletin of the Belgian Mathematical Society - Simon Stevin
2023-09-30 | Journal article
Part of ISSN: 1370-1444
Contributors: Kyriakos Keremedis; AliReza Olfati; Eliza Wajch
Source: Self-asserted source
Eliza Wajch

On Iso-dense and Scattered Spaces without $$\textbf{AC}$$

Results in Mathematics
2023-08 | Journal article
Contributors: Kyriakos Keremedis; Eleftherios Tachtsis; Eliza Wajch
Source: check_circle
Crossref

Countable products and countable direct sums of compact metrizable spaces in the absence of the Axiom of Choice

Annals of Pure and Applied Logic
2023-07 | Journal article
Part of ISSN: 0168-0072
Contributors: Kyriakos Keremedis; Eleftherios Tachtsis; Eliza Wajch
Source: Self-asserted source
Eliza Wajch

k-Spaces, sequential spaces and related topics in the absence of the axiom of choice

Topology and its Applications
2022-08 | Journal article
Contributors: Kyriakos Keremedis; Eliza Wajch
Source: check_circle
Crossref

On Urysohn’s Lemma for Generalized Topological Spaces in $${{\mathbf {ZF}}}$$

Results in Mathematics
2022-04 | Journal article
Contributors: Jacek Hejduk; Eleftherios Tachtsis; Eliza Wajch
Source: check_circle
Crossref

Denumerable cellular families in ZF

Portugaliae Mathematica
2022-01-17 | Journal article
Source: Self-asserted source
Eliza Wajch

Several results on compact metrizable spaces in $$\mathbf {ZF}$$

Monatshefte für Mathematik
2021-09-29 | Journal article
Contributors: Kyriakos Keremedis; Eleftherios Tachtsis; Eliza Wajch
Source: check_circle
Crossref

Second-countable compact Hausdorff spaces as remainders in ZF and two new notions of infiniteness

Topology and its Applications
2021-07 | Journal article
Contributors: Kyriakos Keremedis; Eleftherios Tachtsis; Eliza Wajch
Source: check_circle
Crossref

On densely complete metric spaces and extensions of uniformly continuous functions in ZF

Journal of Convex Analysis
2020 | Journal article
Source: Self-asserted source
Eliza Wajch

On Loeb and sequential spaces in ZF

Topology and Its Applications
2020 | Journal article
Source: Self-asserted source
Eliza Wajch

Bornological quasi-metrizability in generalized topology

Hacettepe Journal of Mathematics and Statistics
2019 | Journal article
Source: Self-asserted source
Eliza Wajch

Compact complement topologies and k-spaces

Filomat
2019 | Journal article
Source: Self-asserted source
Eliza Wajch

From pairwise comparisons to consistency with respect to a group operation and Koczkodaj's metric

International Journal of Approximate Reasoning
2019 | Journal article
Source: Self-asserted source
Eliza Wajch

Hausdorff compactifications in ZF

Topology and Its Applications
2019 | Journal article
Source: Self-asserted source
Eliza Wajch

The minimizing vector theorem in symmetrized max-plus algebra

Journal of Convex Analysis
2019 | Journal article
Source: Self-asserted source
Eliza Wajch

Quasi-metrizability of products in ZF and equivalences of CUT(fin)

Topology and its Applications
2018 | Journal article
EID:

2-s2.0-85044584780

Contributors: Wajch, E.
Source: Self-asserted source
Eliza Wajch via Scopus - Elsevier

Partially paratopological groups

Topology and its Applications
2017 | Journal article
EID:

2-s2.0-85019692574

Contributors: Özel, C.; Piękosz, A.; Al Shumrani, M.; Wajch, E.
Source: Self-asserted source
Eliza Wajch via Scopus - Elsevier

Important Facts and Observations about Pairwise Comparisons (the special issue edition)

Fundamenta Informaticae
2016 | Journal article
EID:

2-s2.0-84971483765

Contributors: Koczkodaj, W.W.; Mikhailov, L.; Redlarski, G.; Soltys, M.; Szybowski, J.; Tamazian, G.; Wajch, E.; Yuen, K.K.F.
Source: Self-asserted source
Eliza Wajch via Scopus - Elsevier

Inconsistency indicator maps on groups for pairwise comparisons

International Journal of Approximate Reasoning
2016 | Journal article
EID:

2-s2.0-84959432789

Contributors: Koczkodaj, W.W.; Szybowski, J.; Wajch, E.
Source: Self-asserted source
Eliza Wajch via Scopus - Elsevier

Compactness and compactifications in generalized topology

Topology and its Applications
2015 | Journal article
EID:

2-s2.0-84940738705

Contributors: Piekosz, A.; Wajch, E.
Source: Self-asserted source
Eliza Wajch via Scopus - Elsevier
grade
Preferred source (of 2)‎

Quasi-metrizability of bornological biuniverses in ZF

Journal of Convex Analysis
2015 | Journal article
EID:

2-s2.0-84968817486

Contributors: Piekosz, A.; Wajch, E.
Source: Self-asserted source
Eliza Wajch via Scopus - Elsevier

An internal characterization of sets of functions determining minimal compactifications

Topology and its Applications
1998 | Journal article
EID:

2-s2.0-15944419015

Contributors: Künzi, H.-P.; Wajch, E.
Source: Self-asserted source
Eliza Wajch via Scopus - Elsevier

On σ-discrete borel mappings via quasi-metrics

Czechoslovak Mathematical Journal
1998 | Journal article
EID:

2-s2.0-0033478894

Contributors: Künzi, H.-P.A.; Wajch, E.
Source: Self-asserted source
Eliza Wajch via Scopus - Elsevier

Borel classification via quasi-metrics

Topology and its Applications
1997 | Journal article
EID:

2-s2.0-0009316160

Contributors: Künzi, H.-P.A.; Wajch, E.
Source: Self-asserted source
Eliza Wajch via Scopus - Elsevier

Compactifications and quotient lattices of Wallman bases

Bulletin of the Australian Mathematical Society
1996 | Journal article
EID:

2-s2.0-0041113047

Contributors: Wajch, E.
Source: Self-asserted source
Eliza Wajch via Scopus - Elsevier

Countable network weight and multiplication of borel sets

Proceedings of the American Mathematical Society
1996 | Journal article
EID:

2-s2.0-33645908500

Contributors: Fremlin, D.H.; Johnson, R.A.; Wajch, E.
Source: Self-asserted source
Eliza Wajch via Scopus - Elsevier

On pseudocontinuous mappings

Rocky Mountain Journal of Mathematics
1993 | Journal article
EID:

2-s2.0-84881593197

Contributors: Wajch, E.
Source: Self-asserted source
Eliza Wajch via Scopus - Elsevier

Metric spaces and multiplication of borel sets

Rocky Mountain Journal of Mathematics
1992 | Journal article
EID:

2-s2.0-33645912269

Contributors: Johnson, R.A.; Wajch, E.; Wilczyński, W.
Source: Self-asserted source
Eliza Wajch via Scopus - Elsevier

Three cardinal functions similar to net weight

Proceedings of the American Mathematical Society
1990 | Journal article
EID:

2-s2.0-84966200109

Contributors: Johnson, R.A.; Wajch, E.; Wilczyński, W.
Source: Self-asserted source
Eliza Wajch via Scopus - Elsevier

Subsets of C<sup>*</sup>(X) generating compactifications

Topology and its Applications
1988 | Journal article
EID:

2-s2.0-38249032532

Contributors: Wajch, E.
Source: Self-asserted source
Eliza Wajch via Scopus - Elsevier

Peer review (6 reviews for 5 publications/grants)

Review activity for Annals of pure and applied logic. (1)
Review activity for Decisions in economics and finance. (1)
Review activity for International journal of approximate reasoning (1)
Review activity for Results in mathematics : (1)
Review activity for Symmetry. (2)