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Open Call for Papers: 29th International Conference on Intuitionistic Fuzzy Sets • 6–7 November 2026 • Sofia, Bulgaria / Online
Deadline for submissions: 10 May 2026.

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Date Name Thumbnail Size Description Versions
11:34, 19 February 2011 NIFS-16-4-17-25.pdf (file) 202 KB {{upload | description = Issue:Conditional probability on the Kôpka D-posets | author = Ivana Hollá, Karol Samuelčik | source = Notes on Intuitionistic Fuzzy Sets/16/4 | date = 2010 | license = | other-version = }} [[Category:P 1
11:33, 19 February 2011 NIFS-16-4-09-11.pdf (file) 138 KB {{upload | description = Issue:The Inclusion-Exclusion Principle on some algebraic structures | author = Jana Kelemenová, Mária Kuková | source = Notes on Intuitionistic Fuzzy Sets/16/4 | date = 2010 | license = | other-version 1
11:32, 19 February 2011 NIFS-16-4-05-08.pdf (file) 137 KB {{upload | description = Issue:The Inclusion-Exclusion principle for IF-events | author = Karol Samuelčik, Jana Kelemenová | source = Notes on Intuitionistic Fuzzy Sets/16/4 | date = 2010 | license = | other-version = }} [[Categ 1
11:31, 19 February 2011 NIFS-16-4-01-04.pdf (file) 125 KB {{upload | description = Issue:Operation division by n over intuitionistic fuzzy sets | author = Beloslav Riečan, Krassimir Atanassov | source = Notes on Intuitionistic Fuzzy Sets/16/4 | date = 2010 | license = | other-version = 1
17:14, 1 February 2011 Modprofix-seminar-GA-20110120.ppt (file) 621 KB {{upload | description = Presentation on "Application of genetic algorithms when solving optimizational problems with fermentational processes" | author = Olympia Roeva | source = own work | date = 20 January 2011 | license = | other-version = 1
17:32, 23 January 2011 NIFS-16-3.rar (file) 832 KB {{upload | description = Full contents of Notes on Intuitionistic Fuzzy Sets, Vol. 16, No. 3 | author = - | source = NIFS/16/3 | date = 2010 | license = | other-version = }} Category:PDF files 1
17:30, 23 January 2011 NIFS-16-2.rar (file) 859 KB {{upload | description = Full contents of Notes on Intuitionistic Fuzzy Sets, Vol. 16, No. 2 | author = - | source = NIFS/16/2 | date = 2010 | license = | other-version = }} Category:PDF files 1
13:42, 23 January 2011 NIFS-16-2-50-56.pdf (file) 158 KB {{upload | description = [[Issue:Generalized net model of process of the administration servicing in a digital university with intuitionistic fuzzy estimations|Generalized net model of process of the administration servicing in a digital university with 1
13:41, 23 January 2011 NIFS-16-2-39-49.pdf (file) 147 KB {{upload | description = Domination in intuitionistic fuzzy graphs | author = G. Thamizhendhi, Rangasamy Parvathi | source = NIFS/16/2 | date = 2010 | license = | other-version = }} 1
13:41, 23 January 2011 NIFS-16-2-35-38.pdf (file) 130 KB {{upload | description = On the new intuitionistic fuzzy operator x<sub>a,b,c,d,e,f</sub> | author = Krassimir Atanassov | source = NIFS/16/2 | date = 2010 | license = | other 1
13:27, 23 January 2011 NIFS-16-2-31-34.pdf (file) 143 KB {{upload | description = [[Issue:Four modal forms of intuitionistic fuzzy implication →@ and two related intuitionistic fuzzy negations. Part 1|Four modal forms of intuitionistic fuzzy implication →<sub>@</sub> and two related intuitionistic fuzzy ne 1
23:02, 13 January 2011 GN-2transitions.png (file) 17 KB {{upload | description = Simple illustration of a GN net with two transitions. | author = Vassia Atanassova | source = own work | date = 2011-01-13 | license = | other-version = }} Category:Images 1
22:50, 13 January 2011 GN-transition-1x2.png (file) 7 KB {{upload | description = Simple illustration of a GN transition with one input and two output places. | author = Vassia Atanassova | source = own work | date = 2011-01-13 | license = | other-version = }} Category:Images 1
21:07, 13 January 2011 NIFS-16-2-22-30.pdf (file) 63 KB {{upload | description = Issue:On some issues related to the distances between the Atanassov intuitionistic fuzzy sets are described on universe with weights | author = Radoslav Tcvetkov, Eulalia Szmidt, Janusz Kacprzyk | source = [[NI 1
20:39, 13 January 2011 NIFS-16-2-16-21.pdf (file) 138 KB {{upload | description = Issue:Equalities with intuitionistic fuzzy subtractions and negations | author = Krassimir Atanassov, Magdaléna Renčová | source = NIFS/16/2 | date = 2010 | license = | other-version = }} [[Category:PD 1
20:34, 13 January 2011 NIFS-16-2-12-15.pdf (file) 71 KB {{upload | description = A note on the extended modal operator G<sub>α,β</sub> | author = Peter Vassilev | source = NIFS/16/2 | date = 2010 | license = | other-version = }} [[Catego 1
20:32, 13 January 2011 NIFS-16-2-01-11.pdf (file) 119 KB {{upload | description = Issue:On some measures of information and knowledge for intuitionistic fuzzy sets | author = Eulalia Szmidt, Janusz Kacprzyk | source = NIFS/16/2 | date = 2010 | license = | other-version = }} [[Category: 1
17:51, 13 January 2011 IFSA-EUSFLAT-2009-1882-1886.pdf (file) 154 KB {{upload | description = Issue:Notes on Q-probabilities on intuitionistic fuzzy events, Proceedings of the Joint 2009 International Fuzzy Systems Association World Congress and 2009 European Society of Fuzzy Logic and Technology Conference, Lisbon, 1
17:50, 13 January 2011 IFSA-EUSFLAT-2009-1416-1421.pdf (file) 138 KB {{upload | description = Issue:Analysis of similarity measures for Atanassov's intuitionistic fuzzy sets, Proceedings of the Joint 2009 International Fuzzy Systems Association World Congress and 2009 European Society of Fuzzy Logic and Technology Co 1
17:50, 13 January 2011 IFSA-EUSFLAT-2009-0478-0482.pdf (file) 168 KB {{upload | description = Issue:Generalized Atanassov’s intuitionistic fuzzy index. Construction method, Proceedings of the Joint 2009 International Fuzzy Systems Association World Congress and 2009 European Society of Fuzzy Logic and Technology Co 1
17:47, 13 January 2011 IFSA-EUSFLAT-2009-0184-0188.pdf (file) 118 KB {{upload | description = Issue:Non-conjunctive and non-disjunctive uninorms in Atanassov’s intuitionistic fuzzy set theory, Proceedings of the Joint 2009 International Fuzzy Systems Association World Congress and 2009 European Society of Fuzzy Log 1
15:42, 11 January 2011 FNTS-2010-Atanassova.pdf (file) 280 KB {{upload | description = Уики технологии в помощ на науката. Примерът с Ifigenia.org | author = Vassia Atanassova | source = Youth session of the Federation of Scientific-Technical Unions, Bulgaria, 10-11 May 2 1
15:40, 11 January 2011 NMA-2010-Atanassova,Atanassov.pdf (file) 164 KB {{upload | description = Ant Colony Optimization Approach to Tokens' Movement within Generalized Nets | author = Vassia Atanassova, Krassimir Atanassov | source = NMA 2010 | date = 2010 | license = | other-version = }} [[Category:PDF files 1
15:34, 11 January 2011 EUROSIM-2010-Dobrinkova,Vassileva.pdf (file) 265 KB {{upload | description = General Description of WRF-Fire Model Applicable to Bulgarian Forest Fire Data | author = Nina Dobrinkova, Mariana Vassileva | source = EUROSIM 2010 | date = 2010 | license = | other-version = }} Category:PDF files 1
14:15, 8 January 2011 NIFS-16-3-40-41.pdf (file) 97 KB {{upload | description = [[Issue: Remark on equalities between intuitionistic fuzzy sets|]] | author = Krassimir Atanassov | source = Notes on Intuitionistic Fuzzy Sets/16/3 | date = 2010 | license = | other-version = }} [[Category:PDF fil 1
14:15, 8 January 2011 NIFS-16-3-28-39.pdf (file) 223 KB {{upload | description = Issue:Intuitionistic fuzzy generalized semi-pre closed mappings | author = R. Santhi, D. Jayanthi | source = Notes on Intuitionistic Fuzzy Sets/16/3 | date = 2010 | license = | other-version = }} [[Categor 1
14:14, 8 January 2011 NIFS-16-3-22-27.pdf (file) 161 KB {{upload | description = Issue:(α,β)-cut of intuitionistic fuzzy ideals | author = Dhiren Kumar Basnet | source = Notes on Intuitionistic Fuzzy Sets/16/3 | date = 2010 | license = | other-version = }} Category:PDF files 1
14:14, 8 January 2011 NIFS-16-3-01-21.pdf (file) 274 KB {{upload | description = Issue:Continuity of intuitionistic fuzzy proper functions on intuitionistic smooth fuzzy topological spaces | author = Rajakumar Roopkumar, C. Kalaivani | source = Notes on Intuitionistic Fuzzy Sets/16/3 | dat 1
01:43, 9 November 2010 IssuesIFSGN-8-036-039.pdf (file) 56 KB {{upload | description = Cantor's norms for intuitionistic fuzzy sets | author = Krassimir Atanassov | source = Issues in Intuitionistic Fuzzy Sets and Generalized Nets, Vol. 8, 2010, Warsaw, pp. 36-39 | date = 2010 | license = | other-version = 1
01:40, 9 November 2010 IssuesIFSGN-8-050-057.pdf (file) 148 KB {{upload | description = Determining intuitionistic fuzzy degree of overlapping of computation and communication in parallel applications using generalized nets | author = Pavel Tcheshmedjiev, Peter Vassilev | source = Issues in Intuitionistic Fuzzy Se 1
01:37, 9 November 2010 IssuesIFSGN-8-024-029.pdf (file) 100 KB {{upload | description = New ways for altering the intuitionistic fuzzy experts' estimations | author = Krassimir Atanassov | source = Issues in Intuitionistic Fuzzy Sets and Generalized Nets, Vol. 8, 2010, Warsaw, pp. 24-29 | date = 2010 | license 1
01:37, 9 November 2010 IssuesIFSGN-8-008-018.pdf (file) 265 KB {{upload | description = Spatial interpretation of operators over intuitionistic fuzzy sets | author = Lyudmila Todorova, Peter Vassilev, Eulalia Szmidt, Stefan Hadjitodorov, | source = Issues in Intuitionistic Fuzzy Sets and Generalized Nets, Vol. 8, 1
01:35, 9 November 2010 IssuesIFSGN-8-001-007.pdf (file) 122 KB {{upload | description = On two topological operators over intuitionistic fuzzy sets | author = Krassimir Atanassov | source = Issues in Intuitionistic Fuzzy Sets and Generalized Nets, Vol. 8, 2010, Warsaw, pp. 1-7 | date = 2010 | license = | othe 1
01:29, 9 November 2010 DFSIFSGNRT-2010-177-184-Shannon,Rangasamy,Atanassov,Chountas.pdf (file) 8.13 MB {{upload | description = On intuitionistic fuzzy trees | author = Anthony Shannon, Parvathi Rangasamy, Krassimir Atanassov, Panagiotis Chountas | source = Developments in Fuzzy Sets, Intuitionistic Fuzzy Sets, Generalized Nets and Related Topics, Vol. 1
00:20, 9 November 2010 NIFS-16-3-42-44.pdf (file) 130 KB {{upload | description = Issue:On intuitionistic fuzzy level operators | author = Beloslav Riečan, Krassimir Atanassov | source = Notes on Intuitionistic Fuzzy Sets/16/3 | date = 2010 | license = | other-version = }} [[Category: 1
00:12, 9 November 2010 ASCM-20-4-569-574-Peter-Vassilev.pdf (file) 230 KB {{upload | description = Issue:On reassessment of expert evaluations in the case of intuitionistic fuzziness | author = Peter Vassilev | source = Advanced Studies on Contemporary Mathematics | date = October 2010 | license = | other-version = 1
00:11, 9 November 2010 ASCM-20-4-569-574-Peter-Vassilev-scanned.pdf (file) 8.56 MB {{upload | description = Issue:On reassessment of expert evaluations in the case of intuitionistic fuzziness | author = Peter Vassilev | source = Advanced Studies on Contemporary Mathematics | date = October 2010 | license = | other-version = 1
20:33, 1 August 2010 NIFS-05-3-06-10.pdf (file) 179 KB {{upload | description = Issue:An idea for an intuitionistic fuzzy approach to decision making | author = Cecilia Temponi, Anthony Shannon, Krassimir Atanassov, Adrian Ban | source = Notes on Intuitionistic Fuzzy Sets/05/3 | date = 1999 | l 1
18:24, 1 August 2010 NIFS-05-3-31-34.pdf (file) 184 KB {{upload | description = Issue:Measures of contradiction for intuitionistic fuzzy sets and for fuzzy classifications | author = Jiri Georg Sustal | source = Notes on Intuitionistic Fuzzy Sets/05/3 | date = 1999 | license = | other-version 1
15:11, 1 August 2010 NIFS-05-3-29-30.pdf (file) 65 KB {{upload | description = Issue:Intuitionistic fuzzy extension principle | author = Mariana Stoeva | source = Notes on Intuitionistic Fuzzy Sets/05/3 | date = 1999 | license = | other-version = }} Category:PDF files 1
13:57, 1 August 2010 NIFS-05-3-01-05.pdf (file) 263 KB {{upload | description = Issue:Fuzzy multifunctions in intuitionistic fuzzy topological spaces | author = Oya Bedre Özbakir, Doğan Çoker | source = Notes on Intuitionistic Fuzzy Sets/05/3 | date = 1999 | license = | other-version = }} 1
15:56, 22 July 2010 FNTS-2010-Vassia-Atanassova-statia.pdf (file) 280 KB {{upload | description = УИКИ ТЕХНОЛОГИИ В ПОМОЩ НА НАУКАТА. ПРИМЕРЪТ С IFIGENIA.ORG | author = Вася Атанасова | source = own work | date = 2010 | license = | other-version = }} [[Category:PDF fil 1
15:47, 22 July 2010 8NMNPS2010-award.jpg (file) 493 KB Category:Images 1
15:26, 22 July 2010 EUSFLAT-2005-461-466.pdf (file) 267 KB {{upload | description = Issue:A new measure of entropy and its connection with a similarity measure for intuitionistic fuzzy sets, PProceedings of the Joint 4th Conference of the European Society for Fuzzy Logic and Technology and the 11th Rencontr 1
15:24, 22 July 2010 EUSFLAT-2005-455-460.pdf (file) 283 KB {{upload | description = Issue:Self-contradiction degrees in intuitionistic fuzzy sets, PProceedings of the Joint 4th Conference of the European Society for Fuzzy Logic and Technology and the 11th Rencontres Francophones sur la Logique Floue et ses 1
11:29, 19 July 2010 NIFS-08-2-37-41.pdf (file) 94 KB {{upload | description = Refutability of physical theories: A new approach | author = Azary Polikarov, Krassimir Atanassov | source = Notes on Intuitionistic Fuzzy Sets/08/2 | date = 200 1
17:34, 18 July 2010 IFSTool-graph.png (file) 24 KB {{upload | description = IFSTool - Drawing the graph of the relation "smaller or equal" | author = Dimitar Dimitrov | source = own work | date = 2010 | license = | other-version = }} Category:IFSTool screenshots 1
17:31, 18 July 2010 IFSTool-remove-duplicates.png (file) 31 KB {{upload | description = IFSTool - Removal of duplicates | author = Dimitar Dimitrov | source = own work | date = 2010 | license = | other-version = }} Category:IFSTool screenshots 1
17:28, 18 July 2010 IFSTool-check-axioms.png (file) 35 KB {{upload | description = IFSTool - Check of axioms | author = Dimitar Dimitrov | source = own work | date = 2010 | license = | other-version = }} Category:IFSTool screenshots 1
17:21, 18 July 2010 IFSTool-home-screen.png (file) 22 KB {{upload | description = Home screen of IFSTool | author = Dimitar Dimitrov | source = own work | date = 2010 | license = | other-version = }} Category:IFSTool screenshots 1
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