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03E72 Fuzzy set theory (189 articles)

• Khastan, Alireza; Eskandari, Elham: Fuzzy clustering of fuzzy data considering the shape of the membership functions using a novel representation learning technique. (English). Kybernetika, vol. 61 (2025), issue 2, pp. 168-184
• Amirnia, Hadi; Khastan, Alireza: A generalization of the mean-square derivative for fuzzy stochastic processes and some properties. (English). Kybernetika, vol. 61 (2025), issue 1, pp. 79-108
• Li-zhi, Liang; Xue-ping, Wang: New results on additive generator pairs of overlap and grouping functions. (English). Kybernetika, vol. 61 (2025), issue 2, pp. 238-263
• Zhao, Hu; Jia, Li-Yan; Chen, Gui-Xiu: Convex $(L,M)$-fuzzy remote neighborhood operators. (English). Kybernetika, vol. 60 (2024), issue 2, pp. 150-171
• Xiu, Zhen-Yu; Zheng, Xu: A new approach to construct uninorms via uninorms on bounded lattices. (English). Kybernetika, vol. 60 (2024), issue 2, pp. 125-149
• Wu, Tao: New constructions of uni-nullnorms on certain classes of bounded lattices by closure (interior) operators. (English). Kybernetika, vol. 60 (2024), issue 5, pp. 624-651
• Paad, Akbar: New kinds of hybrid filters of EQ-algebras. (English). Mathematica Bohemica, vol. 149 (2024), issue 1, pp. 105-127
• Isaks, Reinis: Properties of quantum logic maps as fuzzy relations on a set of all symmetric and idempotent binary matrices. (English). Kybernetika, vol. 60 (2024), issue 5, pp. 682-689
• Zhang, Yi-Qun; Wang, Ya-Ming; Liu, Hua-Wen: Representation of uni-nullnorms and null-uninorms on bounded lattices. (English). Kybernetika, vol. 60 (2024), issue 1, pp. 76-89
• Li, Gang; Li, Zhenbo; Wang, Jing: Some results on the weak dominance relation between ordered weighted averaging operators and T-norms. (English). Kybernetika, vol. 60 (2024), issue 3, pp. 379-393
• Çayli, Gül Deniz: A characterization of uninorms on bounded lattices via closure and interior operators. (English). Kybernetika, vol. 59 (2023), issue 5, pp. 768-790
• Kon, Masamichi: Characterization of fuzzy order relation by fuzzy cone. (English). Kybernetika, vol. 58 (2022), issue 5, pp. 779-789
• Stepanović, Vanja; Tepavčević, Andreja: Fuzzy sets (in)equations with a complete codomain lattice. (English). Kybernetika, vol. 58 (2022), issue 2, pp. 145-162
• Sriraman, Ramalingam; Nedunchezhiyan, Asha: Global stability of Clifford-valued Takagi-Sugeno fuzzy neural networks with time-varying delays and impulses. (English). Kybernetika, vol. 58 (2022), issue 4, pp. 498-521
• Matusiewicz, Zofia: Minimizing and maximizing a linear objective function under a fuzzy $\max -\ast $ relational equation and an inequality constraint. (English). Kybernetika, vol. 58 (2022), issue 3, pp. 320-334
• Peng, Zuming: On the $T$-conditionality of $T$-power based implications. (English). Kybernetika, vol. 58 (2022), issue 1, pp. 43-63
• Aşıcı, Emel: On the construction of t-norms (t-conorms) by using interior (closure) operator on bounded lattices. (English). Kybernetika, vol. 58 (2022), issue 3, pp. 456-478
• Karaçal, Funda; Köroğlu, Tuncay: A principal topology obtained from uninorms. (English). Kybernetika, vol. 58 (2022), issue 6, pp. 863-882
• Pan, Deng; Zhou, Hongjun: Distributivity of ordinal sum implications over overlap and grouping functions. (English). Kybernetika, vol. 57 (2021), issue 4, pp. 647-670
• Karaçal, Funda; Ertuğrul, Ümit; Kesicioğlu, M. Nesibe: Generating methods for principal topologies on bounded lattices. (English). Kybernetika, vol. 57 (2021), issue 4, pp. 714-736
• Hua, Xiu-Juan; Zhang, Hua-Peng; Ouyang, Yao: Note on "construction of uninorms on bounded lattices". (English). Kybernetika, vol. 57 (2021), issue 2, pp. 372-382
• Aşıcı, Emel: On the constructions of t-norms and t-conorms on some special classes of bounded lattices. (English). Kybernetika, vol. 57 (2021), issue 2, pp. 352-371
• Aşıcı, Emel; Mesiar, Radko: On the direct product of uninorms on bounded lattices. (English). Kybernetika, vol. 57 (2021), issue 6, pp. 989-1004
• Su, Yong; Mesiar, Radko: Representation and construction of homogeneous and quasi-homogeneous $n$-ary aggregation functions. (English). Kybernetika, vol. 57 (2021), issue 6, pp. 958-969
• Yousefi, Amin; Mashinchi, Mashaallah; Mesiar, Radko: Some notes on the category of fuzzy implications on bounded lattices. (English). Kybernetika, vol. 57 (2021), issue 2, pp. 332-351
• Peng, Zuming: The study on semicopula based implications. (English). Kybernetika, vol. 56 (2020), issue 4, pp. 662-694
• Kesicioğlu, M. Nesibe: Construction methods for implications on bounded lattices. (English). Kybernetika, vol. 55 (2019), issue 4, pp. 641-667
• Ertuğrul, Ümit; Kesicioğlu, M. Nesibe; Karaçal, Funda: Construction methods for uni-nullnorms and null-uninorms on bounded lattice. (English). Kybernetika, vol. 55 (2019), issue 6, pp. 994-1015
• Karaçal, Funda; Ertuğrul, Ümit; Kesicioğlu, M. Nesibe: An extension method for t-norms on subintervals to t-norms on bounded lattices. (English). Kybernetika, vol. 55 (2019), issue 6, pp. 976-993
• Aşıcı, Emel: An extension of the ordering based on nullnorms. (English). Kybernetika, vol. 55 (2019), issue 2, pp. 217-232
• Liu, Hui; Zhao, Bin: Extensions of fuzzy connectives on ACDL. (English). Kybernetika, vol. 55 (2019), issue 3, pp. 472-494
• Su, Yong: Smooth implications on a finite chain. (English). Kybernetika, vol. 55 (2019), issue 4, pp. 668-674
• Çaylı, Gül Deniz: Some methods to obtain t-norms and t-conorms on bounded lattices. (English). Kybernetika, vol. 55 (2019), issue 2, pp. 273-294
• Kesicioğlu, M. Nesibe; Ertuğrul, Ü.; Karaçal, F.: Some notes on U-partial order. (English). Kybernetika, vol. 55 (2019), issue 3, pp. 518-530
• Li, Lifeng; Zhang, Jianke; Zhou, Chang: Sufficient conditions for a T-partial order obtained from triangular norms to be a lattice. (English). Kybernetika, vol. 55 (2019), issue 2, pp. 295-306
• Bica, Alexandru Mihai; Fechete, Dorina; Fechete, Ioan: Towards the properties of fuzzy multiplication for fuzzy numbers. (English). Kybernetika, vol. 55 (2019), issue 1, pp. 44-62
• Chleboun, Jan; Runcziková, Judita: Hydrological applications of a model-based approach to fuzzy set membership functions. (English). In: Chleboun, J., Kůs, P., Přikryl, P., Rozložník, M., Segeth, K., Šístek, J. and Vejchodský, T. (eds.): Programs and Algorithms of Numerical Mathematics. Proceedings of Seminar. Hejnice, June 24-29, 2018. Institute of Mathematics CAS, Prague, 2019. pp. 47-54
• Li, Gang: On a special class of left-continuous uninorms. (English). Kybernetika, vol. 54 (2018), issue 3, pp. 427-442
• Kesicioğlu, M. Nesibe: About the equivalence of nullnorms on bounded lattice. (English). Kybernetika, vol. 53 (2017), issue 5, pp. 877-891
• Çaylı, Gül Deniz; Karaçal, Funda: Construction of uninorms on bounded lattices. (English). Kybernetika, vol. 53 (2017), issue 3, pp. 394-417
• Pavlačka, Ondřej; Pavlačková, Martina; Hetfleiš, Vladislav: Fuzzy weighted average as a fuzzified aggregation operator and its properties. (English). Kybernetika, vol. 53 (2017), issue 1, pp. 137-160
• Díaz, Susana; Induráin, Esteban; Janiš, Vladimír; Llinares, Juan Vicente; Montes, Susana: Generalized convexities related to aggregation operators of fuzzy sets. (English). Kybernetika, vol. 53 (2017), issue 3, pp. 383-393
• Çaylı, Gül Deniz; Ertuğrul, Ümit; Köroğlu, Tuncay; Karaçal, Funda: Notes on locally internal uninorm on bounded lattices. (English). Kybernetika, vol. 53 (2017), issue 5, pp. 911-921
• Aşıcı, Emel; Karaçal, Funda: Incomparability with respect to the triangular order. (English). Kybernetika, vol. 52 (2016), issue 1, pp. 15-27
• Takáč, Zdenko: OWA operators for discrete gradual intervals: implications to fuzzy intervals and multi-expert decision making. (English). Kybernetika, vol. 52 (2016), issue 3, pp. 379-402
• Qin, Feng: Cauchy-like functional equation based on a class of uninorms. (English). Kybernetika, vol. 51 (2015), issue 4, pp. 678-698
• Jin, LeSheng; Kalina, Martin; Qian, Gang: Fuzzy orness measure and new orness axioms. (English). Kybernetika, vol. 51 (2015), issue 4, pp. 712-723
• Li, Gang; Liu, Hua-Wen; Fodor, János: On almost equitable uninorms. (English). Kybernetika, vol. 51 (2015), issue 4, pp. 699-711
• Su, Yong; Liu, Hua-Wen: Semi-t-operators on a finite totally ordered set. (English). Kybernetika, vol. 51 (2015), issue 4, pp. 667-677
• Kramosil, Ivan; Daniel, Milan: Several results on set-valued possibilistic distributions. (English). Kybernetika, vol. 51 (2015), issue 3, pp. 391-407
• Hudec, Miroslav; Vučetić, Miljan: Some issues of fuzzy querying in relational databases. (English). Kybernetika, vol. 51 (2015), issue 6, pp. 994-1022
• Inuiguchi, Masahiro: Calculations of graded ill-known sets. (English). Kybernetika, vol. 50 (2014), issue 2, pp. 216-233
• Baczyński, Michał; Szostok, Tomasz; Niemyska, Wanda: On a functional equation connected to the distributivity of fuzzy implications over triangular norms and conorms. (English). Kybernetika, vol. 50 (2014), issue 5, pp. 679-695
• Qiu, Dong; Lu, Chongxia; Deng, Shuai; Wang, Liang: On the hyperspace of bounded closed sets under a generalized Hausdorff stationary fuzzy metric. (English). Kybernetika, vol. 50 (2014), issue 5, pp. 758-773
• Georgescu, Irina: Risk aversion, prudence and mixed optimal saving models. (English). Kybernetika, vol. 50 (2014), issue 5, pp. 706-724
• Mareš, Milan; Mesiar, Radko: Information in vague data sources. (English). Kybernetika, vol. 49 (2013), issue 3, pp. 433-445
• Su, Yong; Wang, Zhudeng; Tang, Keming: Left and right semi-uninorms on a complete lattice. (English). Kybernetika, vol. 49 (2013), issue 6, pp. 948-961
• Amudhambigai, B.; Uma, M. K.; Roja, E.: $m^*$-fuzzy basically disconnected spaces in smooth fuzzy topological spaces. (English). Mathematica Bohemica, vol. 138 (2013), issue 1, pp. 1-13
• Takáč, Zdenko: On some properties of $\alpha $-planes of type-2 fuzzy sets. (English). Kybernetika, vol. 49 (2013), issue 1, pp. 149-163
• Abchir, Mohammed-Amine; Truck, Isis: Towards an extension of the 2-tuple linguistic model to deal with unbalanced linguistic term sets. (English). Kybernetika, vol. 49 (2013), issue 1, pp. 164-180
• Hliněná, Dana; Biba, Vladislav: Evaluating many valued modus ponens. (English). Kybernetika, vol. 48 (2012), issue 3, pp. 465-477
• Grigorenko, Olga: On the $L$-valued categories of $L$-$E$-ordered sets. (English). Kybernetika, vol. 48 (2012), issue 1, pp. 144-164
• Stupňanová, Andrea; Kolesárová, Anna: Associative $n$-dimensional copulas. (English). Kybernetika, vol. 47 (2011), issue 1, pp. 93-99
• Mareš, Milan: Information Measure for Vague Symbols. (English). Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica, vol. 50 (2011), issue 2, pp. 89-94
• Malinowski, Marek T.; Michta, Mariusz: Stochastic fuzzy differential equations with an application. (English). Kybernetika, vol. 47 (2011), issue 1, pp. 123-143
• Karaçal, Funda; Kesicioğlu, M. Nesibe: A T-partial order obtained from T-norms. (English). Kybernetika, vol. 47 (2011), issue 2, pp. 300-314
• Agahi, Hamzeh; Mesiar, Radko; Ouyang, Yao: Further development of Chebyshev type inequalities for Sugeno integrals and T-(S-)evaluators. (English). Kybernetika, vol. 46 (2010), issue 1, pp. 83-95
• Solovyov, Sergey A.: On fuzzification of the notion of quantaloid. (English). Kybernetika, vol. 46 (2010), issue 6, pp. 1025-1048
• Mesiar, Radko; Sarkoci, Peter: Open problems posed at the tenth International conference on fuzzy set theory and applications (FSTA 2010, Liptovský Ján, Slovakia). (English). Kybernetika, vol. 46 (2010), issue 4, pp. 585-599
• Lebedinska, Julija: $T$-extension as a method of construction of a generalized aggregation operator. (English). Kybernetika, vol. 46 (2010), issue 6, pp. 1078-1097
• Devi, D. Anitha; Roja, E.; Uma, M. K.: Contra $G_\delta$-continuity in smooth fuzzy topological spaces. (English). Mathematica Bohemica, vol. 134 (2009), issue 3, pp. 285-300
• Hong, Dug Hun: A note about operations like $T_W$ (the weakest $t$-norm) based addition on fuzzy intervals. (English). Kybernetika, vol. 45 (2009), issue 3, pp. 541-547
• Hong, Dug Hun: The stability of parameter estimation of fuzzy variables. (English). Kybernetika, vol. 45 (2009), issue 3, pp. 529-540
• Mareš, Milan; Vlach, Milan: Disjointness of fuzzy coalitions. (English). Kybernetika, vol. 44 (2008), issue 3, pp. 416-429
• Uma, M. K.; Roja, E.; Balasubramanian, G.: Tietze extension theorem for pairwise ordered fuzzy extremally disconnected spaces. (English). Mathematica Bohemica, vol. 133 (2008), issue 4, pp. 341-349
• Roja, E.; Uma, M. K.; Balasubramanian, G.: Urysohn’s lemma, gluing lemma and contraction$^*$ mapping theorem for fuzzy metric spaces. (English). Mathematica Bohemica, vol. 133 (2008), issue 2, pp. 179-185
• Močkoř, Jiří: Extensional subobjects in categories of $\Omega$-fuzzy sets. (English). Czechoslovak Mathematical Journal, vol. 57 (2007), issue 2, pp. 631-645
• Mareš, Milan: Fuzzy data in statistics. (English). Kybernetika, vol. 43 (2007), issue 4, pp. 491-502
• Wu, Hsien-Chung: Fuzzy-valued integrals based on a constructive methodology. (English). Applications of Mathematics, vol. 52 (2007), issue 1, pp. 1-23
• Roja, Elango; Uma, Mallasamudram Kuppusamy; Balasubramanian, Ganesan: $G_\delta$-separation axioms in ordered fuzzy topological spaces. (English). Kybernetika, vol. 43 (2007), issue 1, pp. 103-111
• Sobera, Jolanta: Mixed pseudo-associativities of Bandler-Kohout compositions of relations. (English). Kybernetika, vol. 43 (2007), issue 2, pp. 143-156
• Hassan, Qutaiba Ead: On some kinds of fuzzy connected spaces. (English). Applications of Mathematics, vol. 52 (2007), issue 4, pp. 353-361
• Drygaś, Paweł: On the structure of continuous uninorms. (English). Kybernetika, vol. 43 (2007), issue 2, pp. 183-196
• Drewniak, Józef; Dudziak, Urszula: Preservation of properties of fuzzy relations during aggregation processes. (English). Kybernetika, vol. 43 (2007), issue 2, pp. 115-132
• Drewniak, Józef; Pȩkala, Barbara: Properties of fuzzy relations powers. (English). Kybernetika, vol. 43 (2007), issue 2, pp. 133-142
• Butkiewicz, Bohdan: Some properties of $B$-operations. (English). Kybernetika, vol. 43 (2007), issue 2, pp. 197-208
• Baczyński, Michał; Klement, Erich Peter; Mesiar, Radko: Special issue: Editorial [Papers from 8th International Conference on Fuzzy Sets - Theory and Applications, FSTA 2006]. (English). Kybernetika, vol. 43 (2007), issue 2, pp. 113-114
• Baczyński, Michał; Jayaram, Balasubramaniam: Yager’s classes of fuzzy implications: some properties and intersections. (English). Kybernetika, vol. 43 (2007), issue 2, pp. 157-182
• Pradera, Ana; Trillas, Enric: Aggregation operators from the ancient NC and EM point of view. (English). Kybernetika, vol. 42 (2006), issue 3, pp. 243-260
• Demirci, Mustafa: Aggregation operators on partially ordered sets and their categorical foundations. (English). Kybernetika, vol. 42 (2006), issue 3, pp. 261-277
• Maes, Koen C.; De Baets, Bernard: A contour view on uninorm properties. (English). Kybernetika, vol. 42 (2006), issue 3, pp. 303-318
• Rückschlossová, Tatiana; Rückschloss, Roman: Homogeneous aggregation operators. (English). Kybernetika, vol. 42 (2006), issue 3, pp. 279-286
• Mišík, Ladislav; Tóth, János T.: On asymptotic behaviour of universal fuzzy measures. (English). Kybernetika, vol. 42 (2006), issue 3, pp. 379-388
• Mesiar, Radko; Klement, Erich Peter: Open problems posed at the eighth international conference on fuzzy set theory and applications. (English). Kybernetika, vol. 42 (2006), issue 2, pp. 225-235
• Struk, Peter; Stupňanová, Andrea: $S$-measures, $T$-measures and distinguished classes of fuzzy measures. (English). Kybernetika, vol. 42 (2006), issue 3, pp. 367-378
• Durante, Fabrizio; Quesada-Molina, José; Sempi, Carlo: Semicopulas: characterizations and applicability. (English). Kybernetika, vol. 42 (2006), issue 3, pp. 287-302
• Kiseliova, Tatiana: A theoretical comparison of disco and CADIAG-II-like systems for medical diagnoses. (English). Kybernetika, vol. 42 (2006), issue 6, pp. 723-748
• Drewniak, Józef; Dudziak, Urszula: Aggregations preserving classes of fuzzy relations. (English). Kybernetika, vol. 41 (2005), issue 3, pp. [265]-284
• Kramosil, Ivan: Approximations of lattice-valued possibilistic measures. (English). Kybernetika, vol. 41 (2005), issue 2, pp. [177]-204
• Stupňanová, Andrea: The cancellation law for pseudo-convolution. (English). Kybernetika, vol. 41 (2005), issue 3, pp. [285]-296
• Valášková, Ľubica; Struk, Peter: Classes of fuzzy measures and distortion. (English). Kybernetika, vol. 41 (2005), issue 2, pp. [205]-212
• Drygaś, Paweł: Discussion of the structure of uninorms. (English). Kybernetika, vol. 41 (2005), issue 2, pp. [213]-226
• Šešelja, Branimir; Tepavčević, Andreja: Equivalent fuzzy sets. (English). Kybernetika, vol. 41 (2005), issue 2, pp. [115]-128
• Holeňa, Martin: Extraction of fuzzy logic rules from data by means of artificial neural networks. (English). Kybernetika, vol. 41 (2005), issue 3, pp. [297]-314
• Stouti, Abdelkader: Fixed points theorems of non-expanding fuzzy multifunctions. (English). Archivum Mathematicum, vol. 41 (2005), issue 1, pp. 117-122
• Bednář, Josef: Fuzzy distances. (English). Kybernetika, vol. 41 (2005), issue 3, pp. [375]-388
• Kroupa, Tomáš: Many-dimensional observables on Łukasiewicz tribe: constructions, conditioning and conditional independence. (English). Kybernetika, vol. 41 (2005), issue 4, pp. [451]-468
• Šabo, Michal; Strežo, Peter: On reverses of some binary operators. (English). Kybernetika, vol. 41 (2005), issue 4, pp. [435]-450
• Mareš, Milan; Mesiar, Radko: Special Issue: Editorial [Selected papers from 7th FSTA Conference, 2004]. (English). Kybernetika, vol. 41 (2005), issue 2, pp. [113]-114
• Janssens, Saskia; De Baets, Bernard; De Meyer, Hans: Bell-type inequalities for parametric families of triangular norms. (English). Kybernetika, vol. 40 (2004), issue 1, pp. [89]-106
• Močkoř, Jiří: Complete subobjects of fuzzy sets over $MV$-algebras. (English). Czechoslovak Mathematical Journal, vol. 54 (2004), issue 2, pp. 379-392
• Gómez, Daniel; Montero, Javier: A discussion on aggregation operators. (English). Kybernetika, vol. 40 (2004), issue 1, pp. [107]-120
• Stouti, Abdelkader: A fuzzy version of Tarski's fixpoint theorem. (English). Archivum Mathematicum, vol. 40 (2004), issue 3, pp. 273-279
• Kalina, Martin: Nearness relations in linear spaces. (English). Kybernetika, vol. 40 (2004), issue 4, pp. [441]-458
• Tsiporkova, Elena; Boeva, Veselka: Nonparametric recursive aggregation process. (English). Kybernetika, vol. 40 (2004), issue 1, pp. [51]-70
• Hong, Dug Hun: On types of fuzzy numbers under addition. (English). Kybernetika, vol. 40 (2004), issue 4, pp. [469]-476
• Miranda, Pedro; Grabisch, Michel: $p$-symmetric bi-capacities. (English). Kybernetika, vol. 40 (2004), issue 4, pp. [421]-440
• Calvo, Tomasa; Mesiar, Radko: Special Issue: Guest editorial [Summer School on Aggregation Operators, Related Techniques and Their Applications AGOP'2003]. (English). Kybernetika, vol. 40 (2004), issue 1, pp. [1]-2
• Díaz, Susana; Montes, Susana; De Baets, Bernard: Transitive decomposition of fuzzy preference relations: the case of nilpotent minimum. (English). Kybernetika, vol. 40 (2004), issue 1, pp. [71]-88
• Hong, Dug Hun: An additive decomposition of fuzzy numbers. (English). Kybernetika, vol. 39 (2003), issue 3, pp. [289]-294
• Mareš, Milan; Vlach, Milan: Alternative model of fuzzy NTU coalitional game. (English). Kybernetika, vol. 39 (2003), issue 3, pp. [265]-274
• Stouti, Abdelkader: Fixed points of fuzzy monotone multifunctions. (English). Archivum Mathematicum, vol. 39 (2003), issue 3, pp. 209-212
• Saminger, Susanne; Mesiar, Radko: A general approach to decomposable bi-capacities. (English). Kybernetika, vol. 39 (2003), issue 5, pp. [631]-642
• Chleboun, Jan: On fuzzy input data and the worst scenario method. (English). Applications of Mathematics, vol. 48 (2003), issue 6, pp. 487-496
• Hong, Dug Hun: $T$-equivalences generated by shape function on the real line. (English). Kybernetika, vol. 39 (2003), issue 3, pp. [281]-288
• Vivona, Doretta; Divari, Maria: Aggregation operators and fuzzy measures on hypographs. (English). Kybernetika, vol. 38 (2002), issue 3, pp. [245]-257
• Mareš, Milan: Coalitional fuzzy preferences. (English). Kybernetika, vol. 38 (2002), issue 3, pp. [339]-352
• Mareš, Milan; Mesiar, Radko: Dual meaning of verbal quantities. (English). Kybernetika, vol. 38 (2002), issue 6, pp. [709]-716
• Sarkoci, Peter; Šabo, Michal: Information boundedness principle in fuzzy inference process. (English). Kybernetika, vol. 38 (2002), issue 3, pp. [327]-338
• Klement, Erich Peter; Mesiar, Radko; Pap, Endre: Invariant copulas. (English). Kybernetika, vol. 38 (2002), issue 3, pp. [275]-286
• Kolesárová, Anna: Möbius fitting aggregation operators. (English). Kybernetika, vol. 38 (2002), issue 3, pp. [259]-273
• Jun, Young Bae; Roh, Eun Hwan; Kim, Hee Sik: On fuzzy $B$-algebras. (English). Czechoslovak Mathematical Journal, vol. 52 (2002), issue 2, pp. 375-384
• Bartušek, Tomáš; Navara, Mirko: Program for generating fuzzy logical operations and its use in mathematical proofs. (English). Kybernetika, vol. 38 (2002), issue 3, pp. [235]-244
• Kolesárová, Anna; Vivona, Doretta: Entropy of $T$-sums and $T$-products of $L$-$R$ fuzzy numbers. (English). Kybernetika, vol. 37 (2001), issue 2, pp. [127]-145
• Lupiáñez, Francisco Gallego: On Michálek's fuzzy topological spaces. (English). Kybernetika, vol. 37 (2001), issue 2, pp. [159]-163
• Thangaraj, G.; Balasubramanian, G.: On somewhat fuzzy semicontinuous functions. (English). Kybernetika, vol. 37 (2001), issue 2, pp. [165]-170
• Balasubramaniam, P.; Sankar, S. Murali: The variational principle of fixed point theorems in certain fuzzy topological spaces. (English). Kybernetika, vol. 37 (2001), issue 2, pp. [147]-158
• Klement, Erich Peter; Mesiar, Radko; Pap, Endre: Generated triangular norms. (English). Kybernetika, vol. 36 (2000), issue 3, pp. [363]-377
• Liu, Mingxue: A representation theorem for probabilistic metric spaces in general. (English). Czechoslovak Mathematical Journal, vol. 50 (2000), issue 3, pp. 551-554
• Andrejková, Gabriela: The similarity of two strings of fuzzy sets. (English). Kybernetika, vol. 36 (2000), issue 6, pp. [671]-687
• Marková-Stupňanová, Andrea: $T$-law of large numbers for fuzzy numbers. (English). Kybernetika, vol. 36 (2000), issue 3, pp. [379]-388
• Beg, Ismat: Fixed points of fuzzy monotone maps. (English). Archivum Mathematicum, vol. 35 (1999), issue 2, pp. 141-144
• Lupiañez, Francisco Gallego: Proto-metrizable fuzzy topological spaces. (English). Kybernetika, vol. 35 (1999), issue 2, pp. [209]-213
• Lupiáñez, Francisco Gallego: Finite-to-one fuzzy maps and fuzzy perfect maps. (English). Kybernetika, vol. 34 (1998), issue 2, pp. [163]-169
• Jun, Young Bae; Neggers, J.; Kim, Hee Sik: On $L$-fuzzy ideals in semirings. I. (English). Czechoslovak Mathematical Journal, vol. 48 (1998), issue 4, pp. 669-675
• Močkoř, Jiří: General fuzzy decision systems. (English). Acta Mathematica et Informatica Universitatis Ostraviensis, vol. 5 (1997), issue 1, pp. 81-95
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