Notes on Intuitionistic Fuzzy Sets/32

Notes on Intuitionistic Fuzzy Sets, Volume 32 (2026).

Number 1

Number Title Author(s) Pages 1 Invariant intuitionistic fuzzy observables Katarína Čunderlíková 1–14 2 Multi-dimensional modal topological structures, extended intuitionistic fuzzy index matrices and multi-person multi-criteria decision making procedures Krassimir Atanassov 15–29 3 A modifying operator for temporal intuitionistic fuzzy index matrices with an application to autonomous self-managing databases Veselina Bureva and Krassimir Atanassov 30–39 4 A variety of functions concerning intuitionistic fuzzy M-clopen sets in intuitionistic fuzzy topological spaces G. Saravanakumar and K. A. Venkatesan 40–50 5 Operators on circular interval-valued intuitionistic fuzzy sets P. Gajalaxmi, D. Jayanthi and M. Priyadharshini 51–67 6 Rational divergence measures on intuitionistic fuzzy sets Vladimír Kobza 68–87

Number 2

Number Title Author(s) Pages 1 Intuitionistic fuzzy group subalgebras Poonam Kumar Sharma 89–104 2 New implication deviation and entropy measures in intuitionistic fuzzy sets Ria Rejal Sharma, Santanu Acharjee, Mihir Kumar Chakraborty 105–132 3 Research on intuitionistic fuzzy implications. Part 5 Nora Angelova, Janusz Kacprzyk, Krassimir Atanassov, Vassia Atanassova 133–143 4 An intuitionistic fuzzy framework for human health risk assessment incorporating Monte Carlo uncertainty analysis Toncho Ivanov Boyukov, Stefka Fidanova 144–162 5 Effects of fuzzy and advanced fuzzy sets in mammogram image clustering Tamalika Chaira, Rita Chhikara 163–175 6 Incorporating hesitation in intuitionistic fuzzy slack based measure efficiency with an application to MGNREGA Meena Yadav, Shiv Prasad Yadav 176–191

Number 3

This issue contains part of the selected papers from the Proceedings of the 29^th International Conference on Intuitionistic Fuzzy Sets, 6 November 2026, Sofia, Bulgaria / online.

Number Title Author(s) Pages 1 All modern AI needs is intuitionistic fuzzy Vladik Kreinovich, Olga Kosheleva, Victor Timchenko, Yuriy Kondratenko 193–202 2 On intuitionistic fuzzy numbers and compact intervals El Houssine Bouzid, Bouchra Ben Amma, Said Melliani, Lalla Saadia Chadli 203–212 3 Generalized (T,ST) intuitionistic fuzzy anti-ideals on semigroups Emine Funda Okumuş, Sultan Yamak 213–230 4 Intuitionistic fuzzy topological operators via controlled sets Sinem Tarsuslu (Yılmaz), Gökhan Çuvalcıoğlu 231–244 5 About the sum of intuitionistic fuzzy observables Katarína Čunderlíková 245–257 6 Calibrated circular and elliptical regions for intuitionistic fuzzy assessments: A methodological benchmark of geometry coverage and boundary effects Panagiotis Chountas, Georgy Urumov 258–279 7 Intuitionistic fuzzy modal operators in an entropy-weighted TOPSIS framework Gökhan Çuvalcıoğlu, Sinem Tarsuslu (Yılmaz) 280–295 8 Algebraic structures of circular intuitionistic fuzzy triples: Monoids, multi-unitary groups, and lattice properties Velichka Traneva, Stoyan Tranev, Krassimir Atanassov 296–308 9 A short note on a possible ranking of intuitionistic fuzzy alternatives Kristina Zhivkova, Peter Vassilev, Lyudmila Todorova 309–314 10 Living on the perimeter: A new directional operation on intuitionistic fuzzy sets Krassimir Atanassov, Vassia Atanassova 315–324 11 Extending OnlineGN with evaluation of intuitionistic fuzzy predicates Angel Dimitriev 325–332

This volume and issues of Int. Journal "Notes on Intuitionistic Fuzzy Sets" is published with the financial support of the Bulgarian National Science Fund, Grant Ref. No. KP-06-NP7-1/2025.

Bulgarian National Science Fund bears no liability for the content of the published materials.