prof. RNDr. Ivan CHAJDA, DrSc.
Telefon:
585634653
E-mail:
Pracoviště:
Katedra algebry a geometrie
Org. jednotka:
Přírodovědecká fakulta
Adresa:
17. listopadu 12
Místnost:
5.021
Pracovní zařazení:
profesor
ČLÁNEK
Chajda I., Kolařík M., Länger H.
C-IDEALS IN COMPLEMENTED POSETS.
Mathematica Bohemica.
2023.
Chajda I., Länger H.
Conditions forcing the existence of relative complements in lattices and posets.
Mathematica Slovaca.
2023.
Chajda I., Länger H.
Extensions and congruences of partial lattices.
Mathematica Slovaca.
2023.
Chajda I., Länger H.
Monotone and cone preserving mappings on posets.
Mathematica Bohemica.
2023.
Chajda I., Länger H.
Operator residuation in orthomodular posets of finite height.
FUZZY SETS AND SYSTEMS.
2023.
Chajda I., Kolařík M., Länger H.
Orthomodular and Skew Orthomodular Posets.
Symmetry-Basel.
2023.
Chajda I., Länger H.
Tense logic based on finite orthomodular posets.
INTERNATIONAL JOURNAL OF THEORETICAL PHYSICS.
2023.
Chajda I., Länger H.
Tolerances on posets.
Miskolc Mathematical Notes.
2023.
Chajda I., Fazio D., Länger H., Ledda A., Paseka J.
Algebraic Properties of Paraorthomodular Posets.
LOGIC JOURNAL OF THE IGPL.
2022.
Chajda I., Länger H.
Compositions and decompositions of binary relations.
Mathematics for Applications.
2022.
Chajda I., Länger H.
Implication in finite posets with pseuducomplemented sections.
SOFT COMPUTING.
2022.
Chajda I., Länger H.
Inexact residuation in effect algebras.
JOURNAL OF MULTIPLE-VALUED LOGIC AND SOFT COMPUTING.
2022.
Chajda I., Länger H.
Integration in semirings.
Asian-European Journal of Mathematics.
2022.
Chajda I., Länger H.
Join-semilattices whose principal filters are pseudocomplemented.
Miskolc Mathematical Notes.
2022.
Chajda I., Länger H.
Kleene posets and pseudo-Kleene posets.
Miskolc Mathematical Notes.
2022.
Chajda I., Länger H.
Logical and algebraic properties of generalized orthomodular posets.
Mathematica Slovaca.
2022.
Chajda I., Länger H.
Orthogonality and complementation in the lattice of subspaces of a finite vector space.
Mathematica Bohemica.
2022.
Chajda I., Länger H.
Residuation in twist products and pseudo-Kleene posets.
Mathematica Bohemica.
2022.
Chajda I., Länger H.
Semimodular lambda-lattices.
JOURNAL OF MULTIPLE-VALUED LOGIC AND SOFT COMPUTING.
2022.
Chajda I., Länger H.
Semimodules over commutative semirings and modules over unitary commutative rings.
LINEAR & MULTILINEAR ALGEBRA.
2022.
Chajda I., Länger H.
Sheffer operation in relational structures.
SOFT COMPUTING.
2022.
Chajda I., Länger H.
The logic of orthomodular posets of finite height.
LOGIC JOURNAL OF THE IGPL.
2022.
Chajda I., Länger H.
Adjoint operations in twist-products of lattices.
Symmetry-Basel.
2021.
Chajda I., Länger H.
Algebras describing pseudocomplemented, relatively pseudocomplemented and sectionally pseudocomplemented posets.
Symmetry-Basel.
2021.
Chajda I., Länger H.
Consistent posets.
SOFT COMPUTING.
2021.
Chajda I.
Egyptské násobení.
Matematika - fyzika - informatika.
2021.
Chajda I., Kolařík M., Länger H.
Extensions of posets with an antitone involution to residuated structures.
FUZZY SETS AND SYSTEMS.
2021.
Chajda I., Länger H.
Filters and congruences in sectionally pseudocomplemented lattices and posets.
SOFT COMPUTING.
2021.
Chajda I., Länger H.
How to introduce the connective implication in orthomodular posets.
Asian-European Journal of Mathematics.
2021.
Chajda I., Länger H.
Properties of implication in effect algebras.
Mathematica Slovaca.
2021.
Chajda I., Länger H.
Residuation in finite posets.
Mathematica Slovaca.
2021.
Chajda I., Länger H., Paseka J.
Sectionally Pseudocomplemented Posets.
ORDER-A JOURNAL ON THE THEORY OF ORDERED SETS AND ITS APPLICATIONS.
2021.
Chajda I., Länger H.
Sheffer operation in relational systems.
SOFT COMPUTING.
2021.
Chajda I., Kolařík M.
Sheffer operations in complemented posets.
Mathematics for Applications.
2021.
Chajda I., Kolařík M., Länger H.
Varieties corresponding to classes of complemented posets.
Miskolc Mathematical Notes.
2021.
Chajda I., Länger H., Paseka J.
Algebraic Aspects of Relatively Pseudocomplemented Posets.
ORDER-A JOURNAL ON THE THEORY OF ORDERED SETS AND ITS APPLICATIONS.
2020.
Chajda I., Länger H., Eigenthaler G.
Directly decomposable ideals and congruence kernels of commutative semirings.
Miskolc Mathematical Notes.
2020.
Chajda I., Länger H.
Lattices of subspaces of vector space with orthogonality.
JOURNAL OF ALGEBRA AND ITS APPLICATIONS.
2020.
Chajda I., Länger H.
Left residuated lattices induced by lattices with a unary oparation.
SOFT COMPUTING.
2020.
Chajda I., Fazio D.
On residuation in paraorthomodular lattices.
SOFT COMPUTING.
2020.
Chajda I., Halaš R., Mesiar R.
On the decomposability of aggregation functions on direct products of posets.
FUZZY SETS AND SYSTEMS.
2020.
Chajda I., Länger H.
Orthomodular lattices that are horizontal sums of Boolean algebras.
Commentationes Mathematicae Universitatis Carolinae.
2020.
Chajda I., Kühr J., Länger H.
Relatively residuated lattices and posets.
Mathematica Slovaca.
2020.
Chajda I., Länger H.
Residuation in lattice effect algebras.
FUZZY SETS AND SYSTEMS.
2020.
Chajda I., Länger H.
Sublattices and delta-blocks of orthomodular posets.
JOURNAL OF LOGIC AND COMPUTATION.
2020.
Chajda I., Fazio D., Ledda A.
The generalized orthomodular property: configurations and pastings.
JOURNAL OF LOGIC AND COMPUTATION.
2020.
Chajda I., Halaš R., Länger H.
The logic induced by effect algebras.
SOFT COMPUTING.
2020.
Chajda I., Fazio D., Ledda A.
A semiring-like representation of lattice pseudoeffect algebras.
SOFT COMPUTING.
2019.
Chajda I., Länger H.
Basic semirings.
Mathematica Slovaca.
2019.
Chajda I., Länger H.
Commutative rings whose ideal lattices are complemented.
Asian-European Journal of Mathematics.
2019.
Chajda I., Kolařík M., Paseka J.
Evolution of objects and concepts. Soft computing.
SOFT COMPUTING.
2019.
Chajda I., Länger H.
Ideals and their complements in commutative semirings.
SOFT COMPUTING.
2019.
Chajda I., Länger H.
Left residuated operators induced by posets with a unary operation.
SOFT COMPUTING.
2019.
Chajda I., Halaš R., Länger H.
Operations and structures derived from non-associative MV-algebras.
SOFT COMPUTING.
2019.
Chajda I., Länger H.
Residuated structures derived from commutative idempotent semirings.
Discussiones Mathematicae. General Algebra and Applications.
2019.
Chajda I., Länger H.
Residuation in modular lattices and posets.
Asian-European Journal of Mathematics.
2019.
Chajda I., Länger H.
The lattice of subspaces of a vector space over a finite field.
SOFT COMPUTING.
2019.
Chajda I., Länger H., Paseka J.
The Logic of Lattice Effect Algebras Based on Induced Groupoids.
JOURNAL OF MULTIPLE-VALUED LOGIC AND SOFT COMPUTING.
2019.
Chajda I.
Tverbergova věta.
Kvaternion: casopis o matematice pro aplikace.
2019.
Chajda I., Goldstern M., Länger H.
A note on homomorphisms between products of algebras.
ALGEBRA UNIVERSALIS.
2018.
Chajda I.
A representation of residuated lattices satisfying the double negation law.
SOFT COMPUTING.
2018.
Chajda I., Eigenthaler G., Länger H.
Ideals of direct products of rings.
Asian-European Journal of Mathematics.
2018.
Chajda I., Fazio D., Ledda A.
On the structure theory of Lukasiewicz near semirings.
LOGIC JOURNAL OF THE IGPL.
2018.
Chajda I., Kolařík M.
Reduced axioms for the propositional logics induced by basic algebras.
SOFT COMPUTING.
2018.
Chajda I., Länger H.
Relatively pseudocomplemented posets.
Mathematica Bohemica.
2018.
Chajda I., Länger H.
Residuated operators in complemented posets.
Asian-European Journal of Mathematics.
2018.
Bonzio S., Chajda I.
Residuated relational systems.
Asian-European Journal of Mathematics.
2018.
Chajda I., Länger H.
Residuation in non-associative MV-algebras.
Mathematica Slovaca.
2018.
Chajda I., Länger H., Padmanabhan R.
Single identities forcing lattices to be Boolean.
Mathematica Slovaca.
2018.
Chajda I., Paseka J.
The Poset-based Logics for the De Morgan Negation and Set Representation of Partial Dynamic De Morgan Algebras.
JOURNAL OF MULTIPLE-VALUED LOGIC AND SOFT COMPUTING.
2018.
Chajda I., Länger H.
The variety of commutative additively and multiplicatively idempotent semirings.
SEMIGROUP FORUM.
2018.
Chajda I., Länger H., Paseka J.
Uniquely Complemented Posets.
ORDER-A JOURNAL ON THE THEORY OF ORDERED SETS AND ITS APPLICATIONS.
2018.
Chajda I., Länger H.
Weakly orthomodular and dually weakly orthomodular posets.
Asian-European Journal of Mathematics.
2018.
Chajda I., Länger H.
Weakly orthomodular and dually wekly orthomodular lattices.
ORDER-A JOURNAL ON THE THEORY OF ORDERED SETS AND ITS APPLICATIONS.
2018.
Chajda I., Länger H.
When does a generalized Boolean quasiring become a Boolean ring?
SOFT COMPUTING.
2018.
Chajda I., Bonzio S.
A note on orthomodular lattices.
International Journal of Theoretical Physics.
2017.
Chajda I., Kühr J.
A note on residuated po-groupoids and lattices with antitone involutions.
Mathematica Slovaca.
2017.
Chajda I., Länger H.
A representation of lattice effect algebras by means of right near semirings with involution.
International Journal of Theoretical Physics.
2017.
Chajda I.
Basic Algebras, Logics, Trends and Applications.
Southeast Asian Bulletin of Mathematics.
2017.
Chajda I., Länger H.
Convex congruences.
Soft Computing: a fusion of foundations, methodologies and applications.
2017.
Chajda I., Länger H.
Coupled right orthosemirings induced by orthomodular lattices.
Order.
2017.
Chajda I., Paseka J.
De Morgan Algebras with Tense Operators.
Journal of Multiple-Valued Logic and Soft Computing.
2017.
Chajda I.
Diofantovské n-tice.
Matematika - fyzika - informatika.
2017.
Chajda I., Paseka J.
Dynamic Logic Assigned to Automata.
International Journal of Theoretical Physics.
2017.
Chajda I., Padmanabhan R.
Lattices with unique complementation.
Acta Scientiarum Mathematicarum.
2017.
Chajda I., Länger H.
On a variety of commutative multiplicatively idempotent semirings.
Semigroup Forum.
2017.
Chajda I., Länger H.
On the Structure of Balanced Near Semirings.
Miskolc Mathematical Notes.
2017.
Chajda I., Länger H.
On the structure of pseudo-BCK algebras.
Journal of Multiple-Valued Logic and Soft Computing.
2017.
Chajda I., Länger H.
Orthomodular Lattices Can Be Converted into Left Residuated L-groupoids.
Miskolc Mathematical Notes.
2017.
Chajda I., Länger H.
Properties of non-associative MV-algebras.
Mathematica Slovaca.
2017.
Chajda I., Länger H.
Residuation in orthomodular lattices.
Topological Algebra and its Applications.
2017.
Chajda I., Länger H.
States on basic algebras.
Mathematica Bohemica.
2017.
Chajda I.
A note on pseudo-Kleene algebras.
Acta Universitatis Palackianae Olomucensis, Facultas Rerum Naturalium, Mathematica.
2016.
Chajda I., Radeleczki S.
An approach to orthomodular lattices.
Mathematica Slovaca.
2016.
Chajda I., Cirulis J.
An implicational logic for orthomodular lattices.
Acta Scientiarum Mathematicarum.
2016.
Chajda I., Länger H.
An ordered structure of pseudo-BCI-algebras.
Mathematica Bohemica.
2016.
Chajda I.
Effect algebras with a full set of states.
Mathematica Slovaca.
2016.
Chajda I., Paseka J.
Galois connections and tense operators on q-effect algebras.
Fuzzy Sets and Systems.
2016.
Chajda I., Länger H.
General coupled semirings of residuated lattices.
Fuzzy Sets and Systems.
2016.
Chajda I., Länger H.
Groupoids corresponding to relational systems.
Miskolc Mathematical Notes.
2016.
Chajda I., Radeleczki S.
Involutive right-residuated l-groupoids.
Soft Computing: a fusion of foundations, methodologies and applications.
2016.
Chajda I., Länger H.
Near semirings and semirings with involution.
Miskolc Mathematical Notes.
2016.
Chajda I., Länger H.
On congruences on weak lattices.
Soft Computing: a fusion of foundations, methodologies and applications.
2016.
Chajda I., Bonzio S., Antonio L.
Orthogonal relational systems.
Soft Computing: a fusion of foundations, methodologies and applications.
2016.
Chajda I., Länger H.
Relational systems with involution.
Asian-European Journal of Mathematics.
2016.
Bonzio S., Chajda I., Ledda A.
Representing quantum structures as near semirings.
Logic Journal of Interest Group in Pure and Applied Logics.
2016.
Chajda I., Länger H.
Subdirectly irreducible commutative multiplicatively idempotent semirings.
Algebra Universalis.
2016.
Chajda I., Paseka J.
Transition Operators Assigned to Physical Systems.
Reports on Mathematical Physics.
2016.
Chajda I., Länger H.
When does a semiring become a residuated lattice?
Asian-European Journal of Mathematics.
2016.
Chajda I., Länger H.
A representation of basic algebras by coupled right near semirings.
Acta Scientiarum Mathematicarum.
2015.
Chajda I., Länger H., Ševčík P.
An algebraic approach to binary relations.
Asian-European Journal of Mathematics.
2015.
Chajda I.
Basic algebras, logics, trends and applications.
Asian-European Journal of Mathematics.
2015.
Chajda I.
Co nového víme o prvočíslech.
Matematika - fyzika - informatika.
2015.
Chajda I., Länger H.
Commutative basic algebras and coupled near semirings.
Soft Computing: a fusion of foundations, methodologies and applications.
2015.
Chajda I., Paseka J.
Dynamic Order Algebras as an Axiomatization of Modal and Tense Logics.
International Journal of Theoretical Physics.
2015.
Chajda I., Länger H., Švrček F.
Multiplicatively idempotent semirings.
Mathematica Bohemica.
2015.
Pinus A., Chajda I., Halaš R.
On order types of linear basic algebras.
Algebra Universalis.
2015.
Chajda I., Gil-Férez J., Giuntini R., Kolařík M., Ledda A., Paoli F.
On some properties of directoids.
Soft Computing: a fusion of foundations, methodologies and applications.
2015.
Halaš R., Chajda I.
On varieties of basic algebras.
Soft Computing: a fusion of foundations, methodologies and applications.
2015.
Chajda I., Paseka J.
Tense operators in fuzzy logic.
Fuzzy Sets and Systems.
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.
The propositional logic induced by means of basic algebras.
International Journal of Theoretical Physics.
2015.
Chajda I.
A representation of skew effect algebras.
Mathematica Slovaca.
2014.
Chajda I.
A structure of BCI-algebras.
International Journal of Theoretical Physics.
2014.
Chajda I.
An algebraic axiomatization of orthogonal posets.
Soft Computing: a fusion of foundations, methodologies and applications.
2014.
Chajda I., Ledda A., Paoli F.
Compatible idempotent terms in Universal Algebra.
Acta Universitatis Palackianae Olomucensis, Facultas Rerum Naturalium, Mathematica.
2014.
Chajda I., Kolařík M.
Every skew effect algebra can be extended into a total algebra.
Journal of Multiple-Valued Logic and Soft Computing.
2014.
Chajda I.
Filters of implication reducts of basic algberas.
Soft Computing: a fusion of foundations, methodologies and applications.
2014.
Chajda I., Janda J., Paseka J.
How to Produce S-Tense Operators on Lattice Effect Algebras.
Foundations of Physics.
2014.
Chajda I., Radeleczki S.
Notes on tolerance factorable classes of algebras.
Acta Scientiarum Mathematicarum.
2014.
Chajda I., Länger H.
Orthomodular posets can be organized as conditionally residuated structures.
Acta Universitatis Palackianae Olomucensis, Facultas Rerum Naturalium, Mathematica.
2014.
Sambasiva Rao M., Chajda I.
Quasicomplemented C-Algebras.
Asian-European Journal of Mathematics.
2014.
Chajda I., Švrček F.
Sublattices corresponding to very true operators in commutative basic algebras.
Discussiones Mathematicae. General Algebra and Applications.
2014.
Chajda I., Länger H.
Tense operators in spaces of numerical events.
International Journal of Theoretical Physics.
2014.
Chajda I.
The role of Halaš identity in orthomodular lattices.
Acta Universitatis Palackianae Olomucensis, Facultas Rerum Naturalium, Mathematica.
2014.
Chajda I., Kolařík M.
Variety of orthomodular posets.
Miskolc Mathematical Notes.
2014.
Chajda I.
A congruence modular variety that is neither congruence distributive nor 3-permutable.
Soft Computing: a fusion of foundations, methodologies and applications.
2013.
Chajda I., Kolařík M., Länger H.
Algebras assigned to ternary relations.
Miskolc Mathematical Notes.
2013.
Chajda I., Kühr J.
Finitely generated varieties of distributive effect algebras.
Algebra Universalis.
2013.
Chajda I., Länger H.
Groupoids associated to relational systems.
Mathematica Bohemica.
2013.
Chajda I., Kühr J.
Ideals and congruences of basic algebras.
Soft Computing: a fusion of foundations, methodologies and applications.
2013.
Chajda I., Czédli G., Halaš R.
Independent joins of tolerance factorable varieties.
Algebra Universalis.
2013.
Paseka J., Chajda I., Quiang L.
On Realization of Partially Ordered Abelian Groups.
International Journal of Theoretical Physics.
2013.
Chajda I., Kolařík M., Krňávek J.
Pseudo basic algebras.
Journal of Multiple-Valued Logic and Soft Computing.
2013.
Chajda I., Krňávek J.
Skew residuated lattices.
Fuzzy Sets and Systems.
2013.
Chajda I., Länger H.
Spaces of abstract events.
International Journal of Theoretical Physics.
2013.
Chajda I., Švrček F.
The rings which can be recovered by means of the difference.
Acta Universitatis Palackianae Olomucensis, Facultas Rerum Naturalium, Mathematica.
2013.
Chajda I., Czédli G., Halaš R., Lipparini P.
Tolerances as images of congruences in varieties defined by linear identities.
Algebra Universalis.
2013.
Chajda I., Länger H.
Weak Lattices.
Italian Journal of Pure and Applied Mathematics.
2013.
Chajda I., Kühr J.
A generalization of effect algebras and ortholattices.
Mathematica Slovaca.
2012.
Chajda I., Länger H.
A non-associative generalization of effect algebras.
Soft Computing: a fusion of foundations, methodologies and applications.
2012.
Chajda I.
A representation of weak effect algebras.
Mathematica Slovaca.
2012.
Chajda I., Krňávek J., Länger H.
Congruences on directoids.
Acta Scientiarum Mathematicarum.
2012.
Chajda I., Kolařík M.
Dynamic effect algebras.
Mathematica Slovaca.
2012.
Chajda I., Paseka J.
Dynamic effect algebras and their representations.
Soft Computing: a fusion of foundations, methodologies and applications.
2012.
Chajda I.
Jak vypočítat číslo pí.
Matematika - fyzika - informatika.
2012.
Chajda I.
Lukasiewiczova logika a logické paradoxy.
Matematika - fyzika - informatika.
2012.
Chajda I., Krňávek J.
MP-closed subsets in basic algebras.
Asian-European Journal of Mathematics.
2012.
Chajda I.
Pseudocomplemented and Stone Posets.
Acta Universitatis Palackianae Olomucensis, Facultas Rerum Naturalium, Mathematica.
2012.
Chajda I., Länger H.
Ring-like algebras associated with symmetric difference.
Miskolc Mathematical Notes.
2012.
Chajda I., Länger H.
Symmetric difference on posets with an antitone involution.
Order.
2012.
CHAJDA I., ŠVRČEK F.
THE RINGS WHICH ARE BOOLEAN.
Discussiones Mathematicae. General Algebra and Applications.
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., Kolařík M.
Very true operators in effect algebras.
Soft Computing: a fusion of foundations, methodologies and applications.
2012.
CHAJDA I.
Algebraic axiomatization of tense intutionistic logic.
Central European Journal of Mathematics (print).
2011.
Jun YB., Chajda I., Kim HS., Roh EH., Zhan J., Iorgulescu A.
BCK-algebras and Related Algebraic Systems.
International Journal of Mathematics and Mathematical Sciences.
2011.
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.
CHAJDA I.
Hedges and successors in basic algebras.
Soft Computing: a fusion of foundations, methodologies and applications.
2011.
Chajda I.
Hedges ans successors in basic algebras.
Soft Computing: a fusion of foundations, methodologies and applications.
2011.
CHAJDA I.
O trisekci úhlu.
Matematika - fyzika - informatika.
2011.
CHAJDA I., KOLAŘÍK M., KÜHR J.
On double basic algebras and pseudo-effect algebras.
Order.
2011.
Chajda I., Kolařík M., Länger H.
Polynomial permutations on bounded commutative directoids with an antitone involution.
Soft Computing: a fusion of foundations, methodologies and applications.
2011.
CHAJDA I.
Polynomially representable semirings.
Demonstratio Mathematica.
2011.
CHAJDA I., KOLAŘÍK M., ŠVRČEK F.
Properties of relatively pseudocomplemented directoids.
Mathematica Bohemica.
2011.
BOTUR M., CHAJDA I., HALAŠ R., KOLAŘÍK M.
Tense Operators on Basic Algebras.
International Journal of Theoretical Physics.
2011.
CHAJDA I.
Teoretické meze výpočetní techniky.
Jemná mechanika a optika.
2011.
BOTUR M., CHAJDA I.
There exist subdirectly irreducible commutative basic algebras of an arbitrary infinite cardinality which are not MV-algebras.
Algebra Universalis.
2011.
Halaš R., Botur M., Chajda I.
Are basic algebras residuated structures?
Soft Computing: a fusion of foundations, methodologies and applications.
2010.
Botur M., Chajda I., Halaš R.
Are basic algebras residuated structures?
Soft Computing: a fusion of foundations, methodologies and applications.
2010.
Chajda I.
Congruences on semilattices with section antitone involutions.
Discussiones Mathematicae. General Algebra and Applications.
2010.
Chajda I.
Effect-like algebras induced by means of basic algebras.
Mathematica Slovaca.
2010.
Švrček F., Chajda I., Kolařík M.
Implication and equivalential reducts of basic algebras.
Acta Universitatis Palackianae Olomucensis, Facultas Rerum Naturalium, Mathematica.
2010.
Chajda I., Kolařík M.
Interval basic algebras.
Novi Sad Journal of Mathematics.
2010.
Chajda I., Kühr J.
Intervals of effect algebras and pseudo-effect algebras.
Mathematica Slovaca.
2010.
Chajda I., Halaš R., Rosenberg I.
On the role of logical connectives for primality and functional completeness.
Information Sciences.
2010.
Chajda I.
Použití jisté algebraické metody při šifrování.
Matematika - fyzika - informatika.
2010.
Chajda I., Kühr J.
Pseudo-effect algebras as total algebras.
International Journal of Theoretical Physics.
2010.
Chajda I., Länger H.
Quotients and homomorphisms of relational systems.
Acta Universitatis Palackianae Olomucensis, Facultas Rerum Naturalium, Mathematica.
2010.
Chajda I.
Skew difference algebra.
Kyungpook Mathematical Journal.
2010.
Chajda I., Länger H.
A Cayley theorem for algebras with binary and nullary operations.
Acta Scientiarum Mathematicarum.
2009.
Chajda I., Länger H.
A Cayley theorem for distributive lattices.
Algebra Universalis.
2009.
Chajda I.
A characterization of commutative basic algebras.
Mathematica Bohemica.
2009.
Chajda I., Kühr J.
A note on intervals of residuated l-groupoids.
Fuzzy Sets and Systems.
2009.
Chajda I., Kolařík M.
Basic pseudorings.
Acta Universitatis Palackianae Olomucensis, Facultas Rerum Naturalium, Mathematica.
2009.
Chajda I.
Conjugated algebras.
Acta Universitatis Palackianae Olomucensis, Facultas Rerum Naturalium, Mathematica.
2009.
Chajda I.
Double basic algebras.
Order.
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.
Horizontal sums of basic algebras.
Discussiones Mathematicae. General Algebra and Applications.
2009.
Chajda I., Länger H.
Horizontal sums of bounded lattices.
Mathematica Panonica.
2009.
Chajda I., Kolařík M.
Independence of axiom systém of basic algebras.
Soft Computing: a fusion of foundations, methodologies and applications.
2009.
Chajda I., Halaš R., Kühr J.
Many valued quantum algebras.
Algebra Universalis.
2009.
Chajda I., Länger H.
Quantifiers on lattices with an antitone involution.
Demonstratio Mathematica.
2009.
Chajda I.
Relatively pseudo-complemented directoids.
Commentationes Mathematicae Universitatis Carolinae.
2009.
Chajda I., Kolařík M.
Remarks on pseudo-MV-algebras.
Discussiones Mathematicae. General Algebra and Applications.
2009.
CHAJDA I., Eigenthaler G.
Two constructions of DeMorgan quasirings.
Discussiones Mathematicae. General Algebra 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.
Chajda I., Kolařík M.
A common approach to directoids with an antitone involution and D-quasirings.
Discussiones Mathematicae. General Algebra and Applications.
2008.
Chajda I., Länger H.
Bounded lattices with antitone involution the complemented elements of which form a sublattice.
Journal of Algebra and Discrete Structures.
2008.
Chajda I., Kolařík M., Radeleczki S.
Commutative directoids with sectionally antitone bijection.
Discussiones Mathematicae. General Algebra and Applications.
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.
Chajda I.
Difference posets as commutative directoids with sectional antitone involutions.
Mathematica Slovaca.
2008.
Chajda I.
Discriminator Order Algebras.
Acta Universitatis Palackianae Olomucensis, Facultas Rerum Naturalium, Mathematica.
2008.
Halaš R., Chajda I.
Distributive implication groupoids.
Central European Journal of Mathematics (online).
2008.
Chajda I.
Homomorphisms of directed posets.
Asian-European Journal of Mathematics.
2008.
Chajda I., Länger H., Kolařík M.
Characterizations of posets via weak states.
Demonstratio Mathematica.
2008.
Chajda I., Kühr J.
Join-semilattices whose sections are residuated po-monoids.
Czechoslovak Mathematical Journal.
2008.
Chajda I., Länger H.
Minimal bounded lattices with an antitone involution the complemented elements of which do not form a sublattice.
Discussiones Mathematicae. General Algebra and Applications.
2008.
Chajda I., Kolařík M.
Monadic Basis Algebras.
Acta Universitatis Palackianae Olomucensis, Facultas Rerum Naturalium, Mathematica.
2008.
Chajda I., Kolařík M.
Nearlattices.
Discrete Mathematics.
2008.
Chajda I.
Pseudocomplemented directoids.
Commentationes Mathematicae Universitatis Carolinae.
2008.
Chajda I.
The axioms for implication in orthologic.
Czechoslovak Mathematical Journal.
2008.
Halaš R., Chajda I.
Varieties of lattice effect algebras generated by four-element members.
Acta Scientiarum Mathematicarum.
2008.
Chajda I., Chen W., Wismath SL.
2-normalization of lattices.
Czechoslovak Mathematical Journal.
2008.
Chajda I., Länger H.
A common generalization of ortholattices and boolean quasirings.
Demonstratio Mathematica.
2007.
Chajda I., Denecke K., Wismath S.
A Characterization of P- Compatible Varieties.
Algebra Colloquium.
2007.
Chajda I., Kühr J.
A non-associative generalization of MV-algebras.
Mathematica Slovaca.
2007.
Chajda I.
Algebra with restricted cardinalities of kongruence classes.
Novi Sad Journal of Mathematics.
2007.
Chajda I., Kühr J.
Algebraic structures derived from BCK-algebras.
Miskolc Mathematical Notes.
2007.
Chajda I.
Commutative directoids with sectional involutions.
Discussiones Mathematicae.
2007.
Chajda I., Wismath S.
Constructions on P-choice algebras.
Journal of Multiple-Valued Logic and Soft Computing.
2007.
Chajda I., Kolařík M.
Directoids with an antitone involution.
Commentationes Mathematicae Universitatis Carolinae.
2007.
Chajda I., Kolařík M.
Directoids with sectionally antitone involutions and skew MV-algebras.
Mathematica Bohemica.
2007.
Chajda I., Halaš R.
Distributive implication groupoids.
Central European Journal of Mathematics (online).
2007.
Chajda I., Emanovský P.
Emanovský: Algebras derived from sectionally involuted lattices.
Italian Journal of Pure and Applied Mathematics.
2007.
Chajda I., Länger H.
Generalizations of implication algebras.
Sitzungsberichte und Anzeiger Mathematisch-naturwissenschaftliche Klasse, Abt II.
2007.
Chajda I., Kolařík M.
Ideals, congruences and annihilators on nearlattices.
Acta Universitatis Palackianae Olomucensis, Facultas Rerum Naturalium, Mathematica.
2007.
Chajda I., Halaš R., Länger H.
Kongruence kernels of orthoimplication algebra.
Acta Mathematica Universitatis Comenianae.
2007.
Chajda I., Emanovský P., Kolařík M.
MV- Like algebra associated to λ-ortholattices.
Demonstratio Mathematica.
2007.
Chajda I., Kolařík M.
Near λ-lattices.
Kyungpook Mathematical Journal.
2007.
Chajda I.
Orthomodular semilattices.
Discrete Mathematics.
2007.
Chajda I.
Ring-like structures derived from λ-lattices with antitone involutions.
Mathematica Bohemica.
2007.
Chajda I., Eigenthaler G..
Semilattices with sectional mappings.
Discussiones Mathematicae.
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.
Chajda I., Kolařík M.
A decomposition of homomorphic images of nearlattices.
Acta Universitatis Palackianae Olomucensis, Facultas Rerum Naturalium, Mathematica.
2006.
Chajda I., Kühr J.
A note on interval MV-algebras.
Mathematica Slovaca.
2006.
Chajda I., Vychodil V.
A note on residuated lattices with globalization.
International Journal of Pure and Applied Mathematics.
2006.
Chajda I.
Directoids with sectionally switching involutions.
Acta Universitatis Palackianae Olomucensis, Facultas Rerum Naturalium, Mathematica.
2006.
Chajda I., Wismath S.
Externalization of lattices.
Demonstratio Mathematica.
2006.
Chajda I., Kühr J.
GMV-algebras and meet-semilattices with sectionally antitone permutations.
Mathematica Slovaca.
2006.
Chajda I., Länger H.
Hereditary generalized Boolean quasirings, MV-algebras and de Morgan algebras.
Contributions to General Algebra.
2006.
Chajda I.
Implication algebras.
Discussiones Mathematicae.
2006.
Chajda I., Länger H.
SAI-lattices and ringoids.
Demonstratio Mathematica.
2006.
Chajda I., Emanovský P.
Sectional switching mappings in semilattices.
Mathematical Notes.
2006.
Chajda I., Emanovský P., Halaš R.
Weak fuzzy implication algebra and induced structures.
Demonstratio Mathematica.
2006.
Chajda I., Šešelja B., Tepavčević A.
A note on triangular schemes for weak congruences.
Czechoslovak Mathematical Journal.
2005.
Chajda I., Halaš R.
An implication in orthologic.
International Journal of Theoretical Physics.
2005.
Chajda I., Radeleczki S.
Congruence schemes and their applications.
Commentationes Mathematicae Universitatis Carolinae.
2005.
Chajda I., Halaš R., Kühr J.
Distributive lattices with sectionally antitone involutions.
Acta Scientiarum Mathematicarum.
2005.
Chajda I., Länger H.
Modifications of MV-algebras corresponding to strong ortholattices.
Demonstratio Mathematica.
2005.
Chajda I., Halaš R., Kühr J., Vanžurová A.
Normalization of MV-algebras.
Mathematica Bohemica.
2005.
Chajda I., Hošková Š.
A factorization of quasiorder hypergroups.
Commentationes Mathematicae Universitatis Carolinae.
2004.
Chajda I.
A groupoid characterization of Boolean algebras.
Discussiones Mathematicae. General Algebra and Applications.
2004.
Chajda I., Länger H.
A note on congruence uniformity for single algebras.
Demonstratio Mathematica.
2004.
Chajda I., Halaš R.
Abbott groupoids.
Journal of Multiple-Valued Logic and Soft Computing.
2004.
Chajda I., Emanovský P.
Bounded lattices with antitone involutions and properties of MV-algebras.
Discussiones Mathematicae. General Algebra and Applications.
2004.
Chajda I.
Class preserving mappings of equivalence systems.
Acta Universitatis Palackianae Olomucensis, Facultas Rerum Naturalium, Mathematica.
2004.
Chajda I.
Congruences in transitive relational systems.
Miskolc Mathematical Notes.
2004.
Chajda I., Halaš R., Kühr J.
Implication in MV-algebras.
Algebra Universalis.
2004.
Chajda I., Dorfer G., Länger H.
Local versions of some congruence properties in single agebras.
Acta Universitatis Palackianae Olomucensis, Facultas Rerum Naturalium, Mathematica.
2004.
Chajda I., Halaš R.
On schemes for congruence distributivity.
Central European Journal of Mathematics (online).
2004.
Chajda I., Länger H.
Orthorings.
Discussiones Mathematicae. General Algebra and Applications.
2004.
Chajda I., Emanovský P.
Representable difference algebras.
Kyungpook Mathematical Journal.
2004.
Chajda I., Länger H., Maczynski M.
Ring-like structures corresponding to generalized orthomodular lattices.
Mathematica Slovaca.
2004.
Chajda I., Halaš R., Länger H.
Simple axioms for orthomodular implication algebras.
International Journal of Theoretical Physics.
2004.
Chajda I., Horváth E.
A scheme for congruence semidistributivity.
Discussiones Mathematicae. General Algebra and Applications.
2003.
Chajda I.
An extension of relative pseudocomplementation to non-distributive lattices.
Acta Scientiarum Mathematicarum.
2003.
Chajda I., Zedník J..
Distributivity and modularity of lattices of quasiorders.
Acta Universitatis Palackianae Olomucensis, Facultas Rerum Naturalium, Mathematica.
2003.
Chajda I.
Generalized deductive systems in subregular varietes.
Mathematica Bohemica.
2003.
Chajda I.
Lattices and semilattices having an antitone involution in every upper interval.
Commentationes Mathematicae Universitatis Carolinae.
2003.
Chajda I., Radeleczki S..
On varietes defined by pseudocomplemented nondistributive lattices.
Publicationes Mathematicae.
2003.
Chajda I., Halaš R.
Sectionally pseudocomplemented lattices and semilattices.
Advances in Algebra.
2003.
Chajda I.
Ternary deductive systems.
Demonstratio Mathematica.
2003.
Chajda I.
The condition under which a pre-logic becomes an implication algebra.
Kyungpook Mathematical Journal.
2003.
Chajda I., Czédli G.., Horváth E.K..
The shifting lemma and shifting lattice identities.
Algebra Universalis.
2003.
Chajda I., Czédli G., Horváth E.
Trapezoid lemma and congruence distributivity.
Mathematica Slovaca.
2003.
Chajda I., Eigenthaler G..
Varietes of g-coherent algebras.
Italian Journal of Pure and Applied Mathematics.
2003.
Chajda I., Radeleczki S..
0-conditions and tolerance schemes.
Acta Mathematica Universitatis Comenianae.
2003.
Chajda I., Länger H..
A note on normal varietes of monounary algebras.
Czechoslovak Mathematical Journal.
2002.
Chajda I., Horváth E.K..
A triangular scheme for congruence distributivity.
Acta Scientiarum Mathematicarum.
2002.
Chajda I., Halaš R.
Algebraic properties of pre-logics.
Mathematica Slovaca.
2002.
Chajda I.
Distributivity of lattices of binary relations.
Mathematica Bohemica.
2002.
Chajda I., Halaš R.
Order algebras.
Demonstratio Mathematica.
2002.
Chajda I., Länger H..
Restricted congruence regularity of algebras.
Acta Mathematica Universitatis Comenianae.
2002.
Chajda I.
Semilattices with an involution.
Kyungpook Mathematical Journal.
2002.
Chajda I.
Semiregularity of congruences implies congruence modularity at 0.
Czechoslovak Mathematical Journal.
2002.
Chajda I.
A Common Generalization of Permutability and 0-permutability.
Acta Universitatis Palackianae Olomucensis, Facultas Rerum Naturalium, Mathematica.
2001.
CHAJDA I.
A note on the triangular scheme.
In . (Eds.)
East-West Journal of Mathematics.
2001.
Chajda I., Länger H.
A simple Basic of Ideal Terms of Brouwerian Semilattices.
Acta Universitatis Palackianae Olomucensis, Facultas Rerum Naturalium, Mathematica.
2001.
Chajda I., Rachůnek J.
Annihilators in normal autometrized algebras.
Czechoslovak Mathematical Journal.
2001.
Chajda I., Eigenthaler G.
Balanced congruences.
Discussiones Mathematicae.
2001.
Chajda I., Länger H.
Congruence classes in Brouwerian semilattices.
Discussiones Mathematicae.
2001.
Chajda I., Länger H.
Hypersubstitutions in orthomodular lattices.
Discussiones Mathematicae.
2001.
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.
Chajda I., Eigenthaler G.
Some modifications of congruence permutability and dually congruence regular varieties.
Discussiones Mathematicae.
2001.
Chajda I., Bělohlávek R.
The block extension property.
Italian Journal of Pure and Applied Mathematics.
2001.
Chajda I.
Varieties which are Locally Regular and Permutable at 0.
Acta Universitatis Palackianae Olomucensis, Facultas Rerum Naturalium, Mathematica.
2001.
Chajda I.
A note on congruence kernels in ortholattices.
Mathematica Bohemica.
2000.
Chajda I., Eigenthaler G.
Congruence classes determining congruence kernels.
Anzeiger. Mathematisch-naturwissenschaftliche Klasse Abt. II.
2000.
Chajda I.
Congruence kernels in weakly regular varieties.
Southeast Asian Bulletin of Mathematics.
2000.
CHAJDA I., Zedník J.
Determined congruence classes in Brouwerian semilattices.
East-West Journal of Mathematics.
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., Eigenthaler G.
Dually regular varietes.
Contributions to General Algebra.
2000.
Chajda I., Langer H.
Homomorphism and isomorphism theorems for choicealgebras.
Contributions to General Algebra.
2000.
Chajda I.
Characterizing binary discriminator algebras.
Mathematica Bohemica.
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.
Chajda I.
Modifications of Csákány's theorem.
Discussiones Mathematicae. General Algebra and Applications.
2000.
Chajda I., Bělohlávek R.
Relative deductive systems and congruence classes.
Multiple Valued Logic.
2000.
Chajda I., Morávková Z.
Relatively complemented ordered sets.
Discussiones Mathematicae.
2000.
Chajda I., Langer H.
Ring-like operations in pseudocomplemented semilattices.
Discussiones Mathematicae. General Algebra and Applications.
2000.
Chajda I.
Uniformity of congruences in coherent varieties.
Mathematica Bohemica.
2000.
Chajda I., Halaš R., Pinus A. S..
Algebraic duality of constant algebras.
Czechoslovak Mathematical Journal.
1999.
Chajda I., Graczynska E.
Algebras presented by normal identities.
Acta Universitatis Palackianae Olomucensis, Facultas Rerum Naturalium, Mathematica.
1999.
Chajda I.
Algebras satisfying certain quasiorder identities.
Acta Universitatis Palackianae Olomucensis, Facultas Rerum Naturalium, Mathematica.
1999.
Bělohlávek R., Chajda I.
Congruence classes in regular varieties.
Acta Mathematica Universitatis Comenianae.
1999.
Bělohlávek R., Chajda I.
Congruence classes in regular varieties.
Acta Mathematica Universitatis Comenianae.
1999.
Chajda I.
Congruence conditions connected with distributivity at 0.
Acta Universita M.Belii, Mathem.
1999.
Chajda I., Halaš R.
Congruences and Ideals in Hilbert Algebras.
Kyungpook Mathematical Journal.
1999.
Chajda I.
Conguence conditions connected with distributivity at 0.
Acta Universitatis M. Belii, Mathematica.
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.
Chajda I., Pinus A., Denisov A.
Lattices of quasiorders on universal algebras.
Czechoslovak Mathematical Journal.
1999.
Chajda I., Pinus A., Denisov A.
Lattices of quasiorders on universal algebras.
Czechoslovak Mathematical Journal.
1999.
Chajda I.
Locally coherent algebras.
Acta Universitatis Palackianae Olomucensis, Facultas Rerum Naturalium, Mathematica.
1999.
Chajda I.
O n-permutabilnich a distributivnich v nule varietach.
Acta Mathematica Universitatis Comenianae.
1999.
Chajda I.
On n-permutable and distributive at 0 varieties.
Acta Mathematica Universitatis Comenianae.
1999.
Chajda I., Eigenthaler G.
A note on Orthopseudorings and Boolean Quasirings.
Sitzungsberichte Math. Naturwiss. Klasse Abt. II, Mathem, Physical Techn. Wiss. II.
1998.
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.
Congruence identities and their local versions.
Applications of Mathematics.
1998.
Chajda I., Halaš R., Zedník J.
Filters and annihilators in implication algebras.
Acta Universitatis Palackianae Olomucensis, Facultas Rerum Naturalium, Mathematica.
1998.
Chajda I.
Ideals in permutable and 0-regular varieties.
Discussiones Mathematicae.
1998.
Chajda I., Šešelja B., Tepavčevič A.
Lattices of compatible relations satysfying a set of formulas.
Algebra Universalis.
1998.
Chajda I.
Locally regular varieties.
Acta Scientiarum Mathematicarum.
1998.
Chajda I., Šešelja B., Tepavčevič A.
Weak Kongruences in algebras having restricted similarity types.
Discussiones Mathematicae.
1998.
PŘÍSPĚVEK VE SBORNÍKU
Chajda I., Länger H., Paseka J.
Constructions of Kleene lattices.
2022 IEEE 52ND INTERNATIONAL SYMPOSIUM ON MULTIPLE-VALUED LOGIC (ISMVL 2022).
2022.
Chajda I., Länger H., Paseka J.
The Groupoid-Based Logic for Lattice Effect Algebras.
Proceedings of The International Symposium on Multiple-Valued Logic.
2017.
Chajda I., Paseka J.
Set Representation of Partial Dynamic De Morgan Algebras.
In . (Eds.)
2016 IEEE 46th International Symposium on Multiple-Valued Logic ISMVL 2016.
2016.
Chajda I., Kühr J.
Basic algebras.
In Machida H. (Eds.)
RIMS Kokyuroku.
2013.
Chajda I., Paseka J.
Tense Operators and Dynamic De Morgan algebras.
2013 IEEE 43rd International Symposium on Multiple-valued Logic (ISMVL 2013).
2013.
CHAJDA I.
Basic algebras and their applications, an overview.
In . (Eds.)
Contributions to General Algebra 20.
2011.
CHAJDA I., ŠVRČEK F.
Lattice-like structures derived from rings.
In . (Eds.)
Contributions to general algebra 20.
2011.
Chajda I., Eigenthaler G.
A polynomial representation pf bounded lattices with an antitone involution.
In . (Eds.)
Contributions to General Algebra 19.
2010.
Chajda I., Länger H.
Genomorphisms of monounary algebras.
In . (Eds.)
Contributions to General Algebra 19.
2010.
Chajda I., Kolařík M.
Direct decompositions of basic algebras and their idempotent modifications.
Acta Universitatis Matthiae Belii.
2009.
Chajda I., Länger H.
A characterization of horizontal sums of Boolean rings.
Contributions to General Algebra.
2007.
Chajda I., Eigenthaler G.
DeMorgan quasirings.
Contributions to General Algebra.
2007.
Chajda I., Eigenthaler G.
Bi-quasirings induced by lattices.
Contributions to General Algebra.
2005.
Chajda I., Halaš R.
Annihilators in universal algebra.
Contributions to General Algebra.
2004.
Chajda I.
Deductive systems in universal algebra.
Contributions to General Algebra.
2004.
Chajda I., Eigenthaler G., Länger H.
Determined congruence classes.
Contributions to General Algebra.
2004.
Chajda I., Eigenthaler G.
Consistent algebras.
Contributions to general algebra.
2001.
Chajda I., Droste M., Eigenthaler G., Müller WB., Pöschel R.
Contributions to general algebra.
Contributions to general algebra.
2001.
Chajda I., Länger H.
Ideals in locally regular and permutable at 0 varieties.
Contributions to general algebra.
2001.
Chajda I.
Ternary deductive systems.
Algebra and Model Theory (Novosibirsk).
2001.
Chajda I., Denecke K., Halaš R.
Algebras induced by hypersubstitutions.
General algebra and discrete mathematics.
2000.
Bělohlávek R., Chajda I.
An intermediate property between local permutability and permutability.
59th Workshop on General Algebra.
2000.
Chajda I., Eigenthaler G. G.
A remark of kongruence kernels in complemented lattices and pseudocomplemented semilattices.
Contribution to General algebra 11.
1999.
Chajda I., Eigenthaler G.
A remark of kongruence kernels in complemented lattices and pseudocomplemented semilattices.
Contribution to General algebra.
1999.
Chajda I., Eigenthaler G.
A remark on congruence kernels in complemented lattices and pseudocomplemental semilattices.
Conrtibutions to General Algebra.
1999.
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.
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
Paseka J., Chajda I.
Algebraic Approach to Tense Operators.
2015.
Botur M., Chajda I., Halaš R., Kühr J., Paseka J.
Algebraic Methods in Quantum Logic.
2014.
Chajda I.
Vybrané kapitoly z algbery.
2014.
Chajda I.
Algebry formalizujicí výrokové logiky.
2013.
Chajda I.
Úvod do matematické teorie systémů a jejich aplikací.
2013.
CHAJDA I., Länger H.
Directoids. An algebraic approach to ordered sets.
2011.
Chajda I., Halaš R., Kühr J.
Semilattice Structures.
Semilattice Structures.
2007.
Chajda I., Eigenthaler G., Länger H.
Congruence classes in universal algebra.
Research and exposition in Mathematics.
2003.
Chajda I., Glazek K.
A Basic Course on General Algebra.
A Basic Course on General Algebra.
2000.
Chajda I., Halaš R.
Cvičení z algebry.
Cvičení z algebry.
1999.
KAPITOLA V KNIZE
Chajda I., Länger H.
Implication in Weakly and Dually Weakly Orthomodular Lattices.
Algebraic Perspectives on Substructural Logics.
2021.
Chajda I., Länger H., Paseka J.
Residuated Operators and Dedekind–MacNeille Completion.
Algebraic Perspectives on Substructural Logics.
2021.
Chajda I., Eigenthaler G.
On Boolean subrings of rings.
In Fontana M., Frisch S., Glaz S. (Eds.)
Commutative Algebra.
2014.
Chajda I., Halaš R.
Deductive systems and Galois connections.
Galois Connections and Applications.
2004.
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., Denecke K., Eigenthaler G., Goldstern M., Müller W. B., Pöschel R.
Contributions to General Algebra.
Contributions to Genaral Algebra.
2004.
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.