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ORCIDIvan Chajda
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2020 – today
- 2023
[j81]Ivan Chajda, Helmut Länger
:
Operator residuation in orthomodular posets of finite height. Fuzzy Sets Syst. 467: 108589 (2023)- [j80]Ivan Chajda, Kadir Emir, Davide Fazio, Helmut Länger, Antonio Ledda, Jan Paseka:
An algebraic analysis of implication in non-distributive logics. J. Log. Comput. 33(1): 47-89 (2023) - [j79]Ivan Chajda, Miroslav Kolarík, Helmut Länger:
Orthomodular and Skew Orthomodular Posets. Symmetry 15(4): 810 (2023) - 2022
- [j78]Ivan Chajda, Helmut Länger:
The logic of orthomodular posets of finite height. Log. J. IGPL 30(1): 143-154 (2022) - [j77]Ivan Chajda, Davide Fazio, Helmut Länger, Antonio Ledda, Jan Paseka:
Algebraic Properties of Paraorthomodular Posets. Log. J. IGPL 30(5): 840-869 (2022) - [j76]Ivan Chajda, Helmut Länger:
Inexact Residuation in Effect Algebras. J. Multiple Valued Log. Soft Comput. 38(1-2): 57-79 (2022) - [j75]Ivan Chajda, Helmut Länger:
Semimodular λ-lattices. J. Multiple Valued Log. Soft Comput. 39(1): 79-96 (2022) - [j74]Ivan Chajda, Helmut Länger:
Sheffer operation in relational systems. Soft Comput. 26(1): 89-97 (2022) - [j73]Ivan Chajda, Helmut Länger:
Implication in finite posets with pseudocomplemented sections. Soft Comput. 26(13): 5945-5953 (2022) - [c4]Ivan Chajda, Helmut Länger, Jan Paseka:
Constructions of Kleene lattices. ISMVL 2022: 88-93 - 2021
- [j72]Ivan Chajda, Miroslav Kolarík, Helmut Länger:
Extensions of posets with an antitone involution to residuated structures. Fuzzy Sets Syst. 425: 169-175 (2021) - [j71]Ivan Chajda, Helmut Länger, Jan Paseka:
Sectionally Pseudocomplemented Posets. Order 38(3): 527-546 (2021) - [j70]Ivan Chajda, Helmut Länger:
Filters and congruences in sectionally pseudocomplemented lattices and posets. Soft Comput. 25(14): 8827-8837 (2021) - [j69]Ivan Chajda, Helmut Länger:
Consistent posets. Soft Comput. 25(15): 9765-9772 (2021) - [j68]Ivan Chajda, Helmut Länger:
Adjoint Operations in Twist-Products of Lattices. Symmetry 13(2): 253 (2021) - [j67]Ivan Chajda, Helmut Länger:
Algebras Describing Pseudocomplemented, Relatively Pseudocomplemented and Sectionally Pseudocomplemented Posets. Symmetry 13(5): 753 (2021) - 2020
- [j66]Ivan Chajda, Radomír Halas, Radko Mesiar:
On the decomposability of aggregation functions on direct products of posets. Fuzzy Sets Syst. 386: 25-35 (2020) - [j65]Ivan Chajda, Helmut Länger:
Residuation in lattice effect algebras. Fuzzy Sets Syst. 397: 168-178 (2020) - [j64]Ivan Chajda, Davide Fazio, Antonio Ledda:
The generalized orthomodularity property: configurations and pastings. J. Log. Comput. 30(5): 991-1022 (2020) - [j63]Ivan Chajda, Helmut Länger:
Sublattices and Δ-blocks of orthomodular posets. J. Log. Comput. 30(7): 1401-1423 (2020) - [j62]Ivan Chajda, Helmut Länger, Jan Paseka:
Algebraic Aspects of Relatively Pseudocomplemented Posets. Order 37(1): 1-29 (2020) - [j61]Ivan Chajda, Helmut Länger:
Left residuated lattices induced by lattices with a unary operation. Soft Comput. 24(2): 723-729 (2020) - [j60]Ivan Chajda, Davide Fazio:
On residuation in paraorthomodular lattices. Soft Comput. 24(14): 10295-10304 (2020) - [j59]Ivan Chajda, Radomír Halas, Helmut Länger:
The logic induced by effect algebras. Soft Comput. 24(19): 14275-14286 (2020)
2010 – 2019
- 2019
- [j58]Ivan Chajda, Helmut Länger, Jan Paseka:
The Logic of Lattice Effect Algebras Based on Induced Groupoids. J. Multiple Valued Log. Soft Comput. 33(3): 161-175 (2019) - [j57]Ivan Chajda, Davide Fazio, Antonio Ledda:
A semiring-like representation of lattice pseudoeffect algebras. Soft Comput. 23(5): 1465-1475 (2019) - [j56]Ivan Chajda, Helmut Länger:
The lattice of subspaces of a vector space over a finite field. Soft Comput. 23(10): 3261-3267 (2019) - [j55]Ivan Chajda, Radomír Halas, Helmut Länger:
Operations and structures derived from non-associative MV-algebras. Soft Comput. 23(12): 3935-3944 (2019) - [j54]Ivan Chajda, Helmut Länger:
Ideals and their complements in commutative semirings. Soft Comput. 23(14): 5385-5392 (2019) - [j53]Ivan Chajda, Miroslav Kolarík, Jan Paseka:
Evolution of objects and concepts. Soft Comput. 23(19): 9449-9458 (2019) - [j52]Ivan Chajda, Helmut Länger:
Left residuated operators induced by posets with a unary operation. Soft Comput. 23(22): 11351-11356 (2019) - 2018
- [j51]Ivan Chajda, Davide Fazio, Antonio Ledda:
On the structure theory of Łukasiewicz near semirings. Log. J. IGPL 26(1): 14-28 (2018) - [j50]Ivan Chajda, Jan Paseka:
The Poset-based Logics for the De Morgan Negation and Set Representation of Partial Dynamic De Morgan Algebras. J. Multiple Valued Log. Soft Comput. 31(3): 213-237 (2018) - [j49]Ivan Chajda, Helmut Länger, Jan Paseka:
Uniquely Complemented Posets. Order 35(3): 421-431 (2018) - [j48]Ivan Chajda, Helmut Länger:
Weakly Orthomodular and Dually Weakly Orthomodular Lattices. Order 35(3): 541-555 (2018) - [j47]Ivan Chajda, Miroslav Kolarík:
Reduced axioms for the propositional logics induced by basic algebras. Soft Comput. 22(4): 1203-1207 (2018) - [j46]Ivan Chajda:
A representation of residuated lattices satisfying the double negation law. Soft Comput. 22(6): 1773-1776 (2018) - [j45]Ivan Chajda, Helmut Länger:
When does a generalized Boolean quasiring become a Boolean ring? Soft Comput. 22(20): 6877-6879 (2018) - [i1]Ivan Chajda, Jan Paseka:
Dynamic logic assigned to automata. CoRR abs/1809.04456 (2018) - 2017
- [j44]Ivan Chajda, Jan Paseka:
De Morgan Algebras with Tense Operators. J. Multiple Valued Log. Soft Comput. 28(1): 29-45 (2017) - [j43]Ivan Chajda, Helmut Länger:
On the Structure of Pseudo-BCK Algebras. J. Multiple Valued Log. Soft Comput. 28(2-3): 179-188 (2017) - [j42]Ivan Chajda, Helmut Länger:
Coupled Right Orthosemirings Induced by Orthomodular Lattices. Order 34(1): 1-7 (2017) - [j41]Ivan Chajda, Helmut Länger:
Convex congruences. Soft Comput. 21(19): 5641-5645 (2017) - [c3]Ivan Chajda, Helmut Länger, Jan Paseka:
The Groupoid-Based Logic for Lattice Effect Algebras. ISMVL 2017: 230-235 - 2016
- [j40]Ivan Chajda, Jan Paseka:
Galois connections and tense operators on q-effect algebras. Fuzzy Sets Syst. 298: 56-68 (2016) - [j39]Ivan Chajda, Helmut Länger:
General coupled semirings of residuated lattices. Fuzzy Sets Syst. 303: 128-135 (2016) - [j38]Stefano Bonzio, Ivan Chajda, Antonio Ledda:
Representing quantum structures as near semirings. Log. J. IGPL 24(5): 719-742 (2016) - [j37]Ivan Chajda, Sándor Radeleczki:
Involutive right-residuated l-groupoids. Soft Comput. 20(1): 119-131 (2016) - [j36]Stefano Bonzio, Ivan Chajda, Antonio Ledda:
Orthogonal relational systems. Soft Comput. 20(11): 4403-4411 (2016) - [j35]Ivan Chajda, Helmut Länger:
On congruences of weak lattices. Soft Comput. 20(12): 4767-4771 (2016) - [c2]Ivan Chajda, Jan Paseka:
Set Representation of Partial Dynamic De Morgan Algebras. ISMVL 2016: 119-124 - 2015
- [j34]Ivan Chajda, Jan Paseka:
Tense operators in fuzzy logic. Fuzzy Sets Syst. 276: 100-113 (2015) - [j33]Ivan Chajda, Radomír Halas:
On varieties of basic algebras. Soft Comput. 19(2): 261-267 (2015) - [j32]Ivan Chajda, José Gil-Férez, Roberto Giuntini, Miroslav Kolarík, Antonio Ledda, Francesco Paoli:
On some properties of directoids. Soft Comput. 19(4): 955-964 (2015) - [j31]Ivan Chajda, Helmut Länger:
Commutative basic algebras and coupled near semirings. Soft Comput. 19(5): 1129-1134 (2015) - 2014
- [j30]Ivan Chajda, Miroslav Kolarík:
Every Skew Effect Algebra can be Extended into a Total Algebra. J. Multiple Valued Log. Soft Comput. 23(1-2): 53-72 (2014) - [j29]Ivan Chajda:
An algebraic axiomatization of orthogonal posets. Soft Comput. 18(1): 1-4 (2014) - [j28]Ivan Chajda:
Filters of implication reducts of basic algebras. Soft Comput. 18(5): 849-852 (2014) - 2013
- [j27]Ivan Chajda, Jan Krnávek:
Skew residuated lattices. Fuzzy Sets Syst. 222: 78-83 (2013) - [j26]Ivan Chajda, Miroslav Kolarík, Jan Krnávek:
Pseudo Basic Algebras. J. Multiple Valued Log. Soft Comput. 21(1-2): 113-129 (2013) - [j25]Ivan Chajda, Jan Kühr:
Ideals and congruences of basic algebras. Soft Comput. 17(3): 401-410 (2013) - [j24]Ivan Chajda:
A congruence modular variety that is neither congruence distributive nor 3-permutable. Soft Comput. 17(8): 1467-1469 (2013) - [c1]Ivan Chajda, Jan Paseka:
Tense Operators and Dynamic De Morgan Algebras. ISMVL 2013: 219-224 - 2012
- [j23]Ivan Chajda, Radomír Halas:
The variety of modular basic algebras generated by MV-chains and horizontal sums of three-element chain basic algebras. Inf. Sci. 199: 179-186 (2012) - [j22]Ivan Chajda, Helmut Länger:
Symmetric Differences on Posets with an Antitone Involution. Order 29(1): 215-225 (2012) - [j21]Ivan Chajda, Miroslav Kolarík:
Very true operators in effect algebras. Soft Comput. 16(7): 1213-1218 (2012) - [j20]Ivan Chajda, Helmut Länger:
A non-associative generalization of effect algebras. Soft Comput. 16(8): 1411-1414 (2012) - [j19]Ivan Chajda, Jan Paseka:
Dynamic effect algebras and their representations. Soft Comput. 16(10): 1733-1741 (2012) - 2011
- [j18]Young Bae Jun, Ivan Chajda, Hee Sik Kim, Eun Hwan Roh, Jianming Zhan, Afrodita Iorgulescu:
BCK-Algebras and Related Algebraic Systems. Int. J. Math. Math. Sci. 2011: 268683:1-268683:3 (2011) - [j17]Ivan Chajda, Radomír Halas, Hajime Machida:
Completeness of Order Algebras? J. Multiple Valued Log. Soft Comput. 17(1): 93-98 (2011) - [j16]Ivan Chajda, Miroslav Kolarík, Jan Kühr:
On Double Basic Algebras and Pseudo-effect Algebras. Order 28(3): 499-512 (2011) - [j15]Ivan Chajda, Miroslav Kolarík, Helmut Länger:
Polynomial permutations on bounded commutative directoids with an antitone involution. Soft Comput. 15(1): 183-186 (2011) - [j14]Ivan Chajda:
Hedges and successors in basic algebras. Soft Comput. 15(3): 613-618 (2011) - [j13]Ivan Chajda, Radomír Halas:
Effect algebras are conditionally residuated structures. Soft Comput. 15(7): 1383-1387 (2011) - 2010
- [j12]Ivan Chajda, Radek Halas, Ivo G. Rosenberg:
On the role of logical connectives for primality and functional completeness of algebras of logics. Inf. Sci. 180(8): 1345-1353 (2010) - [j11]Michal Botur, Ivan Chajda, Radomír Halas:
Are basic algebras residuated structures? Soft Comput. 14(3): 251-255 (2010)
2000 – 2009
- 2009
- [j10]Ivan Chajda, Jan Kühr:
A note on intervals of residuated l-groupoids. Fuzzy Sets Syst. 160(16): 2379-2386 (2009) - [j9]Ivan Chajda, Radomír Halas:
Functional Completeness of Weak Logics with the Strict Negation? J. Multiple Valued Log. Soft Comput. 15(1): 95-99 (2009) - [j8]Ivan Chajda:
Double Basic Algebras. Order 26(2): 149-162 (2009) - [j7]Ivan Chajda, Miroslav Kolarík:
Independence of axiom system of basic algebras. Soft Comput. 13(1): 41-43 (2009) - 2008
- [j6]Ivan Chajda, Radomír Halas, Helmut Länger:
Congruence kernels of orthomodular implication algebras. Discret. Math. 308(20): 4724-4733 (2008) - [j5]Ivan Chajda, Miroslav Kolarík:
Nearlattices. Discret. Math. 308(21): 4906-4913 (2008) - 2007
- [j4]Ivan Chajda:
Orthomodular semilattices. Discret. Math. 307(1): 115-118 (2007) - [j3]Ivan Chajda, Shelly L. Wismath:
Constructions on P-Choice Algebras. J. Multiple Valued Log. Soft Comput. 13(1-2): 115-126 (2007) - 2004
- [j2]Ivan Chajda, Radomír Halas:
Abbott Groupoids. J. Multiple Valued Log. Soft Comput. 10(4): 385-395 (2004) - 2000
- [j1]Ivan Chajda, Radek Halas, Alexander Georgievich Pinus, Ivo G. Rosenberg:
Duality of Normally Presented Varieties. Int. J. Algebra Comput. 10(5): 651-664 (2000)
Coauthor Index
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