Alexander P. Sostak

37 papers B 1Journal 18Unranked 18
YearRankTypeTitle / Venue / Authors
2023 — conf
Conceptuality Degree of Oriented Crisply Generated Fuzzy Preconcepts.
EUSFLAT/AGOP
Alexander P. Sostak, Maris Krastins, Ingrida Uljane
2023 J jnl
On metrization of fuzzy metrics and application to fixed point theory.
Fuzzy Sets Syst.
Juan-José Miñana, Alexander P. Sostak, Óscar Valero
2023 J jnl
Powerset operators induced by fuzzy relations as a basis for fuzzification of various mathematical structures.
Int. J. Approx. Reason.
Alexander P. Sostak, Ingrida Uljane
2022 — conf
Graded concept lattices in fuzzy rough set theory.
CLA
Alexander P. Sostak, Maris Krastins, Ingrida Uljane
2022 — conf
Parameterized Metrics and Their Applications in Word Combinatorics.
IPMU (1)
Raivis Bets, Alexander P. Sostak, Emils Mikelis Mikelsons
2021 — conf
Aggregation of Operators of Fuzzy Relational Mathematical Morphology: Erosion and Dilation.
IFSA/EUSFLAT/AGOP
Alexander P. Sostak, Ingrida Uljane
2021 J jnl
Gradation of Fuzzy Preconcept Lattices.
Axioms
Alexander P. Sostak, Ingrida Uljane, Maris Krastins
2021 — conf
Graded Fuzzy Preconcept Lattices: Theoretical Basis.
IFSA/EUSFLAT/AGOP
Alexander P. Sostak, Ingrida Uljane, Maris Krastins
2020 J jnl
Categories of quantale-valued fuzzy automata: determinization and minimization.
J. Appl. Math. Comput.
M. K. Dubey, S. P. Tiwari, Alexander P. Sostak
2020 — conf
Fuzzy Relational Mathematical Morphology: Erosion and Dilation.
IPMU (3)
Alexander P. Sostak, Ingrida Uljane, Patrik Eklund
2019 — conf
Many-level fuzzy rough approximation spaces induced by many-level fuzzy preorders and the related ditopological structures.
EUSFLAT Conf.
Alexander P. Sostak, Ingrida Uljane, Aleksandrs Elkins
2019 — conf
Some remarks on topological structures in the context of fuzzy relational mathematical morphology.
EUSFLAT Conf.
Alexander P. Sostak, Ingrida Uljane
2018 J jnl
George-Veeramani Fuzzy Metrics Revised.
Axioms
Alexander P. Sostak
2018 J jnl
On the measure of M-rough approximation of L-fuzzy sets.
Soft Comput.
Sang-Eon Han, Alexander P. Sostak
2017 — conf
Fuzzy φ-pseudometrics and Fuzzy φ-pseudometric Spaces.
EUSFLAT/IWIFSGN (3)
Alexander P. Sostak, Raivis Bets
2017 — conf
M-bornologies on L-valued Sets.
EUSFLAT/IWIFSGN (3)
Ingrida Uljane, Alexander P. Sostak
2016 J jnl
Fragmentary Fuzzy Pseudometrics: Basics of the Theory and Applications in Combinatorics on Words.
Balt. J. Mod. Comput.
Raivis Bets, Alexander P. Sostak
2016 J jnl
L-valued bornologies on powersets.
Fuzzy Sets Syst.
Alexander P. Sostak, Ingrida Uljane
2016 — conf
On a Category of Extensional Fuzzy Rough Approximation L-valued Spaces.
IPMU (2)
Aleksandrs Elkins, Alexander P. Sostak, Ingrida Uljane
2015 — conf
On two categories of many valued relations.
IFSA-EUSFLAT
Dikran Dikranjan, Alexander P. Sostak
2014 — conf
M-valued Measure of Roughness for Approximation of L-fuzzy Sets and Its Topological Interpretation.
IJCCI (Selected Papers)
Sang-Eon Han, Alexander P. Sostak
2014 — conf
Measure of Roughness for Rough Approximation of Fuzzy Sets and Its Topological Interpretation.
IJCCI (FCTA)
Alexander P. Sostak
2014 J jnl
On approximate-type systems generated by L-relations.
Inf. Sci.
Sang-Eon Han, In-Soo Kim, Alexander P. Sostak
2014 — conf
Variable-Range Approximate Systems Induced by Many-Valued L-Relations.
IPMU (3)
Aleksandrs Elkins, Sang-Eon Han, Alexander P. Sostak
2013 — conf
Bornological structures in the context of L-fuzzy sets.
EUSFLAT Conf.
Alexander P. Sostak, Ingrida Uljane
2013 J jnl
Fuzzy sets: Theory and applications (FSTA 2012).
Fuzzy Sets Syst.
Radko Mesiar, Martin Stepnicka, Alexander P. Sostak
2013 J jnl
L-fuzzy syntopogenous structures, Part I: Fundamentals and application to L-fuzzy topologies, L-fuzzy proximities and L-fuzzy uniformities.
Fuzzy Sets Syst.
Dace Cimoka, Alexander P. Sostak
2011 B conf
On spline methods of approximation under L-fuzzy information.
FUZZ-IEEE
Svetlana V. Asmuss, Alexander P. Sostak
2010 J jnl
Ideal-valued topological structures.
Fuzzy Sets Syst.
Javier Gutiérrez García, Tomasz Kubiak, Alexander P. Sostak
2010 J jnl
Preface of the guest editors.
Soft Comput.
Ferdinand Chovanec, Olga Nánásiová, Alexander P. Sostak
2010 J jnl
Towards the theory of M-approcimate systems: Fundamentals and examples.
Fuzzy Sets Syst.
Alexander P. Sostak
2009 — conf
On M-Approximative Operators and M-Approximative Systems.
IFSA/EUSFLAT Conf.
Alexander P. Sostak
2007 — conf
On L-valued Equalites on the L-powersets of Many-valued Sets.
EUSFLAT Conf. (2)
Ingrida Uljane, Alexander P. Sostak
2005 J jnl
On central algorithms of approximation under fuzzy information.
Fuzzy Sets Syst.
Svetlana V. Asmuss, Alexander P. Sostak
1999 J jnl
Extremal problems of approximation theory in fuzzy context.
Fuzzy Sets Syst.
Svetlana V. Asmuss, Alexander P. Sostak
1999 J jnl
Fuzzy analysis and related topics.
Fuzzy Sets Syst.
Martin Kalina, Alexander P. Sostak
1992 J jnl
On endomorphism semigroups of a fuzzily structured set.
Kybernetika
Veniamin Shteinbuk, Alexander P. Sostak