Prof. Mgr. Radomír HALAŠ, Dr.
Telefon:
585634654
E-mail:
Pracoviště:
Katedra algebry a geometrie
Org. jednotka:
Přírodovědecká fakulta
Adresa:
17. listopadu 12
Místnost:
5.026
Pracovní zařazení:
profesor
ČLÁNEK
Halaš R., Mesiar R., Kolesárová A., Saadati R., Herrera F., Rodriguez-Martinez I., Bustince H.
Extremal values-based aggregation functions.
FUZZY SETS AND SYSTEMS.
2024.
Halaš R., Pócs J.
On zero-divisor graphs of infinite posets.
SOFT COMPUTING.
2024.
Su Y., Zong W., Mesiar R., Halaš R.
The multiplicative Cauchy equation on [0,1] and its application to the quasi-homogeneity equation.
FUZZY SETS AND SYSTEMS.
2024.
Mesiar R., Kolesárová A., Šeliga A., Halaš R.
n-K-Increasing Aggregation Functions.
Axioms.
2023.
Halaš R., Pócs J., Pócsová J.
On Join-Dense Subsets of Certain Families of Aggregation Functions.
Mathematics.
2023.
Halaš R., Mesiar R., Pócs J.
On the number of aggregation functions on finite chains as a generalization of Dedekind numbers.
FUZZY SETS AND SYSTEMS.
2023.
Halaš R., Pócs J., Pocsová J.
Remarks on Sugeno Integrals on Bounded Lattices.
Mathematics.
2022.
Halaš R., Kurač Z., Pócs J.
On the minimality of some generating sets of the aggregation clone on a finite chain.
INFORMATION SCIENCES.
2021.
Halaš R., Chodorová M., Švrček J.
Překvapivá řešení jedné úlohy.
Matematika - fyzika - informatika.
2021.
Chajda I., Halaš R., Mesiar R.
On the decomposability of aggregation functions on direct products of posets.
FUZZY SETS AND SYSTEMS.
2020.
Chajda I., Halaš R., Länger H.
The logic induced by effect algebras.
SOFT COMPUTING.
2020.
Halaš R., Mesiar R., Pócs J., Torra V.
A note on some algebraic properties of discrete Sugeno integrals.
FUZZY SETS AND SYSTEMS.
2019.
Halaš R., Mesiar R., Pócs J.
On generating sets of the clone of aggregation functions on finite lattices.
INFORMATION SCIENCES.
2019.
Halaš R., Mesiar R., Pócs J.
On generation of aggregation functions on infinite lattices.
SOFT COMPUTING.
2019.
Chajda I., Halaš R., Länger H.
Operations and structures derived from non-associative MV-algebras.
SOFT COMPUTING.
2019.
Halaš R., Kurač Z., Mesiar R., Pócs J.
Binary generating set of the clone of idempotent aggregation functions on bounded lattices.
INFORMATION SCIENCES.
2018.
Botur M., Halaš R., Mesiar R., Pócs J.
On generating of idempotent aggregation functions on finite lattices.
INFORMATION SCIENCES.
2018.
Halaš R., Mesiar R., Pócs J.
On Linear Approximations of Sugeno Integrals on Bounded Distributive Lattices.
IEEE TRANSACTIONS ON FUZZY SYSTEMS.
2018.
Halaš R., Mesiar R., Pócs J.
Description of sup- and inf-preserving aggregation functions via families of clusters in data tables.
Information Sciences.
2017.
Halaš R., Mesiar R., Pócs J.
Generalized comonotonicity and new axiomatizations of Sugeno integrals on bounded distributive lattices.
International Journal of Approximate Reasoning.
2017.
Halaš R., Mundlik N., Joshi V.
The hull-kernel topology on prime ideals in posets.
Soft Computing: a fusion of foundations, methodologies and applications.
2017.
Halaš R., Pócs J., Mesiar R.
A new characterization of the discrete Sugeno integral.
Information Fusion.
2016.
Halaš R., Mesiar R., Pócs J.
Congruences and the discrete Sugeno integrals on bounded distributive lattices.
Information Sciences.
2016.
Halaš R., Mesiar R., Pócs J.
Generators of Aggregation Functions and Fuzzy Connectives.
IEEE Transactions on Fuzzy Systems.
2016.
Halaš R., Pócs J.
On the clone of aggregation functions on bounded lattices.
Information Sciences.
2016.
Halaš R., Pócs J.
A note on M-operator representation of q-lattices.
Applied Mathematical Sciences.
2015.
Halaš R., Pócs J.
Generalized one-sided concept lattices with attribute preferences.
Information Sciences.
2015.
Halaš R., Pócs J.
On lattices with a smallest set of aggregation functions.
Information Sciences.
2015.
Pinus A., Chajda I., Halaš R.
On order types of linear basic algebras.
Algebra Universalis.
2015.
Halaš R., Chajda I.
On varieties of basic algebras.
Soft Computing: a fusion of foundations, methodologies and applications.
2015.
Kühr J., Chajda I., Halaš R.
The join of the variety of MV-algebras and the variety of orthomodular lattices.
International Journal of Theoretical Physics.
2015.
Chajda I., Czédli G., Halaš R.
Independent joins of tolerance factorable varieties.
Algebra Universalis.
2013.
Chajda I., Czédli G., Halaš R., Lipparini P.
Tolerances as images of congruences in varieties defined by linear identities.
Algebra Universalis.
2013.
BOTUR M., HALAŠ R., KÜHR J.
States on commutative basic algebras.
Fuzzy Sets and Systems.
2012.
Chajda I., Halaš R.
The variety of modular basic algebras generated by MV-chains and horizontal sums of three-element chain basic algebras.
Information Sciences.
2012.
CHAJDA I., HALAŠ R., MACHIDA H.
Completeness of Order Algebras.
Journal of Multiple-Valued Logic and Soft Computing.
2011.
HALAŠ R., CHAJDA I.
Effect algebras are conditionally residuated structures.
Soft Computing: a fusion of foundations, methodologies and applications.
2011.
BOTUR M., CHAJDA I., HALAŠ R., KOLAŘÍK M.
Tense Operators on Basic Algebras.
International Journal of Theoretical Physics.
2011.
Botur M., Chajda I., Halaš R.
Are basic algebras residuated structures?
Soft Computing: a fusion of foundations, methodologies and applications.
2010.
Halaš R., Botur M., Chajda I.
Are basic algebras residuated structures?
Soft Computing: a fusion of foundations, methodologies and applications.
2010.
Halaš R., Joshi V., Kharat V.
On n-normal posets.
Central European Journal of Mathematics (print).
2010.
Chajda I., Halaš R., Rosenberg I.
On the role of logical connectives for primality and functional completeness.
Information Sciences.
2010.
Halaš R.
On the variety generated by bounded pseudo-BCK-algebras.
International Journal of Theoretical Physics.
2010.
Halaš R., Lihová J.
On weakly-cut stable maps.
Information Sciences.
2010.
Halaš R., Länger H.
The Zerodivisor Graph of a Qoset.
Order.
2010.
Halaš R.
A note on axiom system for SBL(sic)-logic.
Fundamenta Informaticae.
2009.
Halaš R., Botur M.
Commutative basic algebras and non-associative fuzzy logic.
Archive for Mathematical Logic.
2009.
Halaš R., Kühr J.
Deductive systems and annihilators of pseudo BCK-algebras.
Italian Journal of Pure and Applied Mathematics.
2009.
Chajda I., Halaš R., Kühr J.
Every effect algebra can be made into total algebra.
Algebra Universalis.
2009.
Chajda I., Halaš R.
Functional completeness of weak logics with a strict negation.
Multiple Valued Logic and Soft Computing.
2009.
Chajda I., Halaš R., Kühr J.
Many valued quantum algebras.
Algebra Universalis.
2009.
Halaš R., Jukl M.
On Beck's coloring of posets.
Discrete Mathematics.
2009.
Halaš R., Botur M.
On very true operators on pocrims.
Soft Computing: a fusion of foundations, methodologies and applications.
2009.
Halaš R., Chajda I.
A basic algebra is an MV-algebra if and only if it is a BCC-algebra.
International Journal of Theoretical Physics.
2008.
Halaš R., Chajda I.
A basic algebra is an MV-algebra if and only if it is a BCC-algebra.
International Journal of Theoretical Physics.
2008.
Halaš R., Chajda I., Länger H.
Congruence kernels of orthoimplication algebras.
Acta Mathematica Universitatis Comenianae.
2008.
Halaš R., Chajda I., Länger H.
Congruence kernels of orthomodular implication algebras.
Discrete Mathematics.
2008.
Halaš R., Chajda I.
Distributive implication groupoids.
Central European Journal of Mathematics (online).
2008.
Halaš R., Botur M.
Finite commutative basic algebras are MV-effect algebras.
Journal of Multiple-Valued Logic and Soft Computing.
2008.
Halaš R.
Functional completeness of fuzzy structures with wvt-operators.
Fuzzy Sets and Systems.
2008.
Halaš R.
Functional completeness of fuzzy structures with wvt-operators.
Fuzzy Sets and Systems.
2008.
Halaš R.
On extensions of ideals in posets.
Discrete Mathematics.
2008.
Halaš R., Kühr J.
Subdirectly irreducible sectionally pseudocomplemented semilattices.
Czechoslovak Mathematical Journal.
2008.
Halaš R.
The variety of lattice effect algebras generated by MV-algebras and the horizontal sum of two 3-element chains.
Studia Logica.
2008.
Halaš R., Chajda I.
Varieties of lattice effect algebras generated by four-element members.
Acta Scientiarum Mathematicarum.
2008.
Halaš R., Plojhar L.
Weak MV-algebras.
Mathematica Slovaca.
2008.
Halaš R., Botur M.
Complete commutative basic algebras.
Order.
2007.
Chajda I., Halaš R.
Distributive implication groupoids.
Central European Journal of Mathematics (online).
2007.
Chajda I., Halaš R., Länger H.
Kongruence kernels of orthoimplication algebra.
Acta Mathematica Universitatis Comenianae.
2007.
Halaš R., Plojhar L.
On systems of congruences on principal filters of orthomodular implication algebras.
Mathematica Bohemica.
2007.
Halaš R., Plojhar L.
On systems of congruences on principál filters of orthomodular implication algebras.
Mathematica Bohemica.
2007.
Halaš R., Kühr J.
Subdirectly irreducible sectionally pseudocomplemented semilattices.
Czechoslovak Mathematical Journal.
2007.
Chajda I., Halaš R.
Varieties satisfying the triangular scheme need not be congruence distributive.
Acta Universitatis Palackianae Olomucensis, Facultas Rerum Naturalium, Mathematica.
2007.
Chajda I., Halaš R.
Varieties satisfying the Triangular Scheme need not be congruence distributive.
Acta Universitatis Palackianae Olomucensis, Facultas Rerum Naturalium, Mathematica.
2007.
Chajda I., Halaš R., Kühr J.
When is a BCC-algebra equivalent to an MV-algebra?
Demonstratio Mathematica.
2007.
Halaš R.
Subdirectly irreducible distributive naerlattices.
Mathematical Notes.
2006.
Chajda I., Emanovský P., Halaš R.
Weak fuzzy implication algebra and induced structures.
Demonstratio Mathematica.
2006.
Halaš R., Plojhar L.
Weakly Standard BCC-Algebras.
Journal of Multiple-Valued Logic and Soft Computing.
2006.
Chajda I., Halaš R.
An implication in orthologic.
International Journal of Theoretical Physics.
2005.
Halaš R., Plojhar L.
Congruences, ideals and annihilators in standard QBCC-algebras.
Central European Journal of Mathematics (online).
2005.
Chajda I., Halaš R., Kühr J.
Distributive lattices with sectionally antitone involutions.
Acta Scientiarum Mathematicarum.
2005.
Halaš R.
Ideals and D-systems in orthoimplication algebras.
Journal of Multiple-Valued Logic and Soft Computing.
2005.
Chajda I., Halaš R., Kühr J., Vanžurová A.
Normalization of MV-algebras.
Mathematica Bohemica.
2005.
Chajda I., Halaš R.
Abbott groupoids.
Journal of Multiple-Valued Logic and Soft Computing.
2004.
Chajda I., Halaš R., Kühr J.
Implication in MV-algebras.
Algebra Universalis.
2004.
Chajda I., Halaš R.
On schemes for congruence distributivity.
Central European Journal of Mathematics (online).
2004.
Chajda I., Halaš R., Länger H.
Simple axioms for orthomodular implication algebras.
International Journal of Theoretical Physics.
2004.
Halaš R., Hort D.
A characterization of 1-, 2-, 3-, 4-homomorphisms of ordered sets.
Czechoslovak Mathematical Journal.
2003.
Halaš R.
Annihilators in BCK-algebras.
Czechoslovak Mathematical Journal.
2003.
Halaš R., Ort J..
QBCC-algebras inherited from qosets.
Mathematica Slovaca.
2003.
Emanovský P., Halaš R.
Quasi-distributive implication groupoids.
East-West Journal of Mathematics.
2003.
Chajda I., Halaš R.
Sectionally pseudocomplemented lattices and semilattices.
Advances in Algebra.
2003.
Halaš R., Ort J..
Standard QBCC-algebras.
Demonstratio Mathematica.
2003.
Chajda I., Halaš R.
Algebraic properties of pre-logics.
Mathematica Slovaca.
2002.
Halaš R.
On sieves for special types of primes.
Mathematics and Informatics Quarterly.
2002.
Chajda I., Halaš R.
Order algebras.
Demonstratio Mathematica.
2002.
Švrček J., Halaš R.
Síta pro prvočísla speciálního tvaru.
Matematika - fyzika - informatika.
2002.
Chajda I., Halaš R., Länger H.
Orthomodular Implication Algebras.
International Journal of Theoretical Physics.
2001.
Chajda I., Dorfer G., Halaš R.
Regularity of generalized MV-algebras.
Demonstratio Mathematica.
2001.
Czedli G., Halaš R., Kearnes K., Palffy P.P.., Szendrei A.
The join of two minimal clones and the meet of two maximal clones.
Algebra Universalis.
2001.
Halaš R.
Congruences in posets.
Contributions to General Algebra.
2000.
Chajda I., Halaš R., Pinus A.G.., Rosenberg I.G..
Duality of normally presented varieties.
International Journal of Algebra and Computation.
2000.
Chajda I., Halaš R.
Characterizing triplets for modular pseudocomplemented ordered sets.
Mathematica Slovaca.
2000.
Chajda I., Halaš R., Rachůnek J.
Ideals and congruence kernels in generalized MV-algebras.
Demonstratio Mathematica.
2000.
Halaš R.
Relative polars in ordered sets.
Czechoslovak Mathematical Journal.
2000.
Halaš R.
Where transcendental numbers can be found or construction of Liouville.
Matematika - fyzika - informatika.
2000.
Chajda I., Halaš R., Pinus A. S..
Algebraic duality of constant algebras.
Czechoslovak Mathematical Journal.
1999.
Chajda I., Halaš R.
Congruences and Ideals in Hilbert Algebras.
Kyungpook Mathematical Journal.
1999.
Halaš R., Chajda I.
Duality of constant algebras.
Czechoslovak Mathematical Journal.
1999.
Chajda I., Halaš R., Rosenberg I.G..
Ideals and the binary discriminator in universal algebra.
Algebra Universalis.
1999.
Halaš R.
O Pythagorejských čtyřúhelnících II.
Matematika - fyzika - informatika.
1999.
Halaš R.
Pythagorean quadrilaterals versus primes.
Math. and informatics quaterly.
1999.
Chajda I., Denecke K., Halaš R.
Algebras induced by hypersubstitutions.
General Algebra and Discrete Mathem. Potsdam (eds.:K. Denecke, H.-J. Vogel).
1998.
Chajda I., Halaš R., Zedník J.
Filters and annihilators in implication algebras.
Acta Universitatis Palackianae Olomucensis, Facultas Rerum Naturalium, Mathematica.
1998.
Halaš R.
O Ordáňových trojúhelnících.
Matematika - fyzika - informatika.
1998.
PŘÍSPĚVEK VE SBORNÍKU
Halaš R., Pócs J.
Aggregation via Clone Theory Approach.
New Trends in Aggregation Theory.
2019.
Halaš R., Plojhar L.
On implication in WMV-algebras.
Contributions to General Algebra 18.
2008.
Halaš R., Länger H.
The zero divisor graph of a qoset.
ROGICS08-International Conference on Relations, Orders and Graphs: Interaction with Computer Science (Y.Boudabbous, N.Zaguia eds.).
2008.
Dorfer G., Halaš R.
An order on the convex directed subsets of a posetand a link to congruence relations.
Contributions to General Algebra 15.
2004.
Chajda I., Halaš R.
Annihilators in universal algebra.
Contributions to General Algebra.
2004.
Chajda I., Denecke K., Halaš R.
Algebras induced by hypersubstitutions.
General algebra and discrete mathematics.
2000.
Chajda I., Halaš R.
Local coherence for locally regular algebras.
Algebra and model theory II.
1999.
Chajda I., Denecke K., Halaš R.
Algebras Induced by Hypersubstitution.
General Algebra and Dicrete Math., Proceedings of Postdam Conference.
1998.
Halaš R.
Boolean algebra of polars as a reflector.
Contribution to Algemeine Algebra, Verlag J. Heyn.
1998.
Chajda I., Eigenthaler G., Halaš R., Müller WB., Vogel H-J., Zedník J.
Contributions to general algebra 11.
Proceedings of the Olomouc Workshop 98 AAA56 and the Summer School 98 on general algebra and order sets.
1998.
KNIHA - CELEK
Botur M., Chajda I., Halaš R., Kühr J., Paseka J.
Algebraic Methods in Quantum Logic.
2014.
Halaš R.
Úvod do teorie čísel.
2014.
Chajda I., Halaš R., Kühr J.
Semilattice Structures.
Semilattice Structures.
2007.
Chajda I., Halaš R.
Cvičení z algebry.
Cvičení z algebry.
1999.
KAPITOLA V KNIZE
Chajda I., Halaš R.
Deductive systems and Galois connections.
Galois Connections and Applications.
2004.
ABSTRAKT
Halaš R.
Functional completeness of fuzzy structures with wvt-operators.
Fuzzy Sets and Systems.
2009.
KONFERENCE, WORKSHOP - USPOŘÁDÁNÍ
Chajda I., Halaš R., Kühr J.
Summer School on General Algebra and Ordered Sets.
2005.
SBORNÍK - CELEK
Chajda I., Dorfer G., Eigenthaler G., Halaš R., Kühr J., Müller W.
Contributions to General Algebra 19.
2010.
Chajda I., Dorfer G., Eigenthaler G., Halaš R., Müller W., Pöschel R.
Contributions to General Algebra 16.
Contributions to General Algebra.
2005.
Chajda I., Eigenthaler G. G., Halaš R., Muller V., Vogel H., Zedník J.
Contributions to General Algebra 11.
Proceedings of the Olomouc Workshop 98 AAA 56 and the Summer School 98 on General Algebra and Ordered Sets.
1999.
Uživatel nepovolil zobrazení dat v Portále UP.