As of June 2025, International Journal "Notes on Intuitionistic Fuzzy Sets" has been assigned SJR = 0.258 and Scopus quartile Q3.
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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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21:50, 25 July 2012 NIFS-01-2-119-122.pdf (file) 809 KB Vassia Atanassova (talk | contribs) {{upload | description = Paper Issue:Remark on the tautologies of the intuitionistic fuzzy logics | author = Krassimir Atanassov | source = Notes on Intuitionistic Fuzzy Sets/01/2 | date = 1995 | license = | other-version = }} [[Categ 1
20:25, 25 July 2012 NIFS-18-1-25-36.pdf (file) 138 KB Vassia Atanassova (talk | contribs) {{upload | description = Paper Intuitionistic fuzzy completely weakly generalized continuous mappings | author = P. Rajarajeswari and R. Krishna Moorthy | source = 1
17:21, 24 July 2012 NIFS-01-2-130-131.pdf (file) 1.09 MB Vassia Atanassova (talk | contribs) {{upload | description = Issue:Linear programming with intuitionistic fuzzy objective | author = Toader Buhaescu | source = "Notes on IFS", Volume 1 (1995) Number 2, pages 130—131 | date = 1995 | 1
17:18, 24 July 2012 NIFS-01-2-093-103.pdf (file) 4.45 MB Vassia Atanassova (talk | contribs) {{upload | description = Issue:Orderings in the referential set induced by an intuitionistic fuzzy relation | author = Pedro Burillo Lopez, Humberto Bustince Sola | source = [[Notes on Intuitionistic Fuzzy Sets/01/2|"Notes on IFS", Volume 1
16:57, 24 July 2012 NIFS-01-2-087-092.pdf (file) 2.61 MB Vassia Atanassova (talk | contribs) {{upload | description = Issue:On the intuitionistic fuzzy relations | author = Pedro Burillo Lopez, Humberto Bustince Sola, Krassimir Atanassov | source = [[Notes on Intuitionistic Fuzzy Sets/01/2|"Notes on IFS", Volume 1 (1995) Numbe 1
16:56, 24 July 2012 NIFS-01-2-085-086.pdf (file) 938 KB Vassia Atanassova (talk | contribs) {{upload | description = Remarks on the intuitionistic fuzzy sets. Part 2 | author = Krassimir Atanassov, Darinka Stoyanova | source = [[Notes on Intuitionistic Fuzzy Sets/01/2|"Notes o 1
13:58, 21 July 2012 NIFS-18-1-48-56.pdf (file) 170 KB Vassia Atanassova (talk | contribs) {{upload | description = Paper Intuitionistic fuzzy linear optimization | author = R. Parvathi and C. Malathi | source = Notes on Intuitionistic Fuzzy Sets/18/1 | date = 2012 | license = 1
13:57, 21 July 2012 NIFS-18-1-37-47.pdf (file) 99 KB Vassia Atanassova (talk | contribs) {{upload | description = Paper [[Issue:A new similarity measure of intuitionistic fuzzy sets and its application to estimate the priority weights from intuitionistic preference relations|A new similarity measure of intuitionistic fuzzy sets and its appli 1
13:56, 21 July 2012 NIFS-18-1-19-24.pdf (file) 163 KB Vassia Atanassova (talk | contribs) {{upload | description = Paper Issue:Intuitionistic fuzzy completely weakly generalized continuous mappings | author = P. Rajarajeswari and R. Krishna Moorthy | source = Notes on Intuitionistic Fuzzy Sets/18/1 | date = 2012 | license 2
13:54, 21 July 2012 NIFS-18-1-05-18.pdf (file) 197 KB Vassia Atanassova (talk | contribs) {{upload | description = Paper [[Issue: Generalized intuitionistic fuzzy contra continuity|]] | author = E. Roja, M. K. Uma and R. Dhavaseelan | source = Notes on Intuitionistic Fuzzy Sets/18/1 | date = 2012 | license = | other-vers 1
13:05, 21 July 2012 NIFS-18-1-01-04.pdf (file) 124 KB Vassia Atanassova (talk | contribs) {{upload | description = Paper Issue:Properties of some operations defined over intuitionistic fuzzy sets | author = Rangasamy Parvathi, Beloslav Riečan]] and Krassimir Atanassov | source = Notes on Intuitionistic Fuzzy Sets/18/1 | d 1
15:11, 27 May 2012 Gn-test-im.gif (file) 2 KB Vassia Atanassova (talk | contribs)   1
14:42, 27 May 2012 Gn-test-1d.gif (file) 2 KB Vassia Atanassova (talk | contribs) Category:GN tests 1
14:42, 27 May 2012 Gn-test-1c.gif (file) 2 KB Vassia Atanassova (talk | contribs) Category:GN tests 1
14:42, 27 May 2012 Gn-test-1b.gif (file) 3 KB Vassia Atanassova (talk | contribs) Category:GN tests 1
14:41, 27 May 2012 Gn-test-1a.gif (file) 2 KB Vassia Atanassova (talk | contribs) Category:GN tests 1
11:06, 22 May 2012 On-IFS-Theory-2012-cover.jpg (file) 122 KB Vassia Atanassova (talk | contribs) {{upload | description = Cover of book "On Intuitionistic Fuzzy Sets Theory" by Krassimir Atanassov, Springer Physica-Verlag, 2012 | author = - | source = scan | date = 2012 | license = All rights reserved | other-version = }} [[Category:B 1
11:12, 17 March 2012 Fs.gif (file) 7 KB Galia (talk | contribs) source: http://www.doc.ic.ac.uk/~nd/surprise_96/journal/vol4/sbaa/report.fuzzysets.html 1
19:28, 28 February 2012 NIFS-17-4-39-44.pdf (file) 85 KB Vassia Atanassova (talk | contribs) {{upload | description = Classification of the students' intuitionistic fuzzy estimations by a 3-dimensional self organizing map | author 1
19:28, 28 February 2012 NIFS-17-4-29-38.pdf (file) 576 KB Vassia Atanassova (talk | contribs) {{upload | description = Intuitionistic fuzzy estimations of biological interactions | author = Hristo Aladjov | source = NIFS/17/4 | date = 2011 | license = | other-ve 1
19:27, 28 February 2012 NIFS-17-4-21-28.pdf (file) 174 KB Vassia Atanassova (talk | contribs) {{upload | description = Generalized nets with places having intuitionistic fuzzy capacities | author = Krassimir Atanassov, Vassia Atanassova, [[Panagiotis Chountas] 1
19:27, 28 February 2012 NIFS-17-4-16-20.pdf (file) 70 KB Vassia Atanassova (talk | contribs) {{upload | description = [[Issue:Generalized net model of the process of defining intuitionistic fuzzy estimation in petroleum recognition with neural networks|Generalized net model of the process of defining intuitionistic fuzzy estimation in petroleum 1
19:26, 28 February 2012 NIFS-17-4-11-15.pdf (file) 144 KB Vassia Atanassova (talk | contribs) {{upload | description = Automatic verification of properties of intuitionistic fuzzy connectives via Mathematica | author = Trifon Trifonov | source 1
19:25, 28 February 2012 NIFS-17-4-05-10.pdf (file) 152 KB Vassia Atanassova (talk | contribs) {{upload | description = The inclusion-exclusion principle for product operations on IF-events | author = Mária Kuková | source = NIFS/17/4 | date = 2011 | lice 1
19:20, 28 February 2012 NIFS-17-4-01-04.pdf (file) 120 KB Vassia Atanassova (talk | contribs) {{upload | description = Issue:On Zadeh's intuitionistic fuzzy subtraction | author = Beloslav Riečan and Krassimir Atanassov | source = NIFS/17/4 | date = 2011 | license = | other-version = }} Category:PDF files 1
22:41, 21 February 2012 NIFS-17-3-30-40.pdf (file) 433 KB Vassia Atanassova (talk | contribs) {{upload | description = Intuitionistic fuzzy contra semi-generalized continuous mappings | author = R. Santhi, K. Arun Prakash | source = Notes on Intuitionistic Fuzzy 1
22:17, 21 February 2012 NIFS-17-3-25-29.pdf (file) 142 KB Vassia Atanassova (talk | contribs)   1
22:08, 21 February 2012 NIFS-17-3-15-24.pdf (file) 179 KB Vassia Atanassova (talk | contribs) {{upload | description = On intuitionistic fuzzy ideals in Γ-near-rings | author = N. Palaniappan, P. S. Veerappan and D. Ezhilmaran | source = Notes on Intuitionistic Fuzzy Sets/17 1
22:02, 21 February 2012 NIFS-17-3-11-14.pdf (file) 127 KB Vassia Atanassova (talk | contribs) {{upload | description = Second Zadeh's intuitionistic fuzzy implication | author = Krassimir Atanassov | source = Notes on Intuitionistic Fuzzy Sets/17/3 | date = 2011 | license = | oth 1
22:02, 21 February 2012 NIFS-17-3-01-10.pdf (file) 112 KB Vassia Atanassova (talk | contribs) {{upload | description = Intuitionistic fuzzy sets: Some new results | author = Rajkumar Verma, Bhu Dev Sharma | source = Notes on Intuitionistic Fuzzy Sets/17/3 | date = 2011 | license = 1
09:55, 16 January 2012 16ICIFS-2012-CfP.pdf (file) 56 KB Vassia Atanassova (talk | contribs) {{upload | description = Call for Papers for the 16<sup>th</sup> Int. Conf. on IFS | author = Krassimir Atanassov | source = own work | date = 2012 | license = | other-version = }} 1
09:50, 16 January 2012 16ICIFS-2012-Registration-form.doc (file) 54 KB Vassia Atanassova (talk | contribs) {{upload | description = Registration form for the 16<sup>th</sup> Int. Conf. on IFS | author = | source = own work | date = 2012 | license = | other-version = }} 1
16:58, 2 January 2012 NIFS-17-2-44-51.pdf (file) 48 KB Vassia Atanassova (talk | contribs)   2
16:48, 2 January 2012 NIFS-17-2-68-74.pdf (file) 150 KB Vassia Atanassova (talk | contribs)   1
13:39, 2 January 2012 NIFS-17-2-82-96.pdf (file) 169 KB Vassia Atanassova (talk | contribs) {{upload | description = Intuitionistic fuzzy rw-closed sets and intuitionistic fuzzy rw-continuity | author = S. S. Thakur, Jyoti Pandey Bajpai | source = Not 1
13:39, 2 January 2012 NIFS-17-2-75-81.pdf (file) 135 KB Vassia Atanassova (talk | contribs) {{upload | description = Intuitionistic fuzzy estimation of the ant colony optimization starting points: Part 2 | author = Stefka Fidanova, [[Pencho Mar 1
13:38, 2 January 2012 NIFS-17-2-65-67.pdf (file) 117 KB Vassia Atanassova (talk | contribs) {{upload | description = On Łukasiewicz's intuitionistic fuzzy subtraction | author = Beloslav Riečan, Krassimir Atanassov | source = Notes on Intuitionistic Fuzzy Sets, Vol. 17, 2 1
13:37, 2 January 2012 NIFS-17-2-52-64.pdf (file) 205 KB Vassia Atanassova (talk | contribs) {{upload | description = Intuitionistic fuzzy optimization technique for the solution of an EOQ model | author = Susovan Chakrabortty, Madhumangal Pal, [[Pra 1
13:36, 2 January 2012 NIFS-17-2-35-43.pdf (file) 171 KB Vassia Atanassova (talk | contribs) {{upload | description = On α- and α*- separation axioms in intuitionistic fuzzy topological spaces | author = Rekha Srivastava, Amit Kumar Singh | sourc 1
13:36, 2 January 2012 NIFS-17-2-25-34.pdf (file) 210 KB Vassia Atanassova (talk | contribs) {{upload | description = Pearson's coefficient between intuitionistic fuzzy sets | author = Eulalia Szmidt, Janusz Kacprzyk, Paweł Bujnowski | source = Notes on Intuitionis 1
13:35, 2 January 2012 NIFS-17-2-17-24.pdf (file) 164 KB Vassia Atanassova (talk | contribs) {{upload | description = On intuitionistic fuzzy tree-interpretations by index matrices | author = Rangasamy Parvathi, Anthony Shannon, Panagiotis Chountas, [[Krassimi 1
13:34, 2 January 2012 NIFS-17-2-08-16.pdf (file) 151 KB Vassia Atanassova (talk | contribs) {{upload | description = On some two-parametric intuitionistic fuzzy implications | author = Piotr Dworniczak | source = Notes on Intuitionistic Fuzzy Sets, Vol. 17, 2011, No. 2, 8 1
13:34, 2 January 2012 NIFS-17-2-01-07.pdf (file) 153 KB Vassia Atanassova (talk | contribs) {{upload | description = On intuitionistic fuzzy multi-dimensional sets. Part 4 | author = Krassimir Atanassov, Eulalia Szmidt, Janusz Kacprzyk | source = Notes on Intuitionis 1
19:30, 24 November 2011 GN-models-in-medicine-cover.jpg (file) 660 KB Vassia Atanassova (talk | contribs) {{upload | description = Generalized Net Models in Medicine | author = Anthony Shannon, Joseph Sorsich and Krassimir Atanassov | source = "Prof. M. Drinov" Publishing House of the Bulgarian Academy of Sciences | date = 1996 | license 1
19:28, 24 November 2011 GN-models-in-neurology-cover.jpg (file) 503 KB Vassia Atanassova (talk | contribs)   2
19:18, 24 November 2011 GN-models-of-the-human-body-cover.jpg (file) 210 KB Vassia Atanassova (talk | contribs)   2
08:29, 19 October 2011 Gennete2010.zip (file) 619 KB Vassia Atanassova (talk | contribs) {{upload | description = Gennete 2010 | author = Hristo Aladjov | source = | date = 2010 | license = | other-version = }} 1
19:21, 5 October 2011 2011-BioMath-Angelova,Atanassov,Pencheva.pdf (file) 314 KB Vassia Atanassova (talk | contribs) {{upload | description = Paper "Purposeful Model Parameters Genesis in Simple Genetic Algorithms" | author = Maria Angelova, Krassimir Atanassov, Tania Pencheva | source = International Conference on Mathematical Methods and Models in Biosciences - BIO 1
19:18, 5 October 2011 2010-NMA-Angelova,Tzonkov,Pencheva.pdf (file) 117 KB Vassia Atanassova (talk | contribs) {{upload | description = Paper "Genetic Algorithms Based Parameter Identification of Yeast Fed-Batch Cultivation " | author = Maria Angelova, Stoyan Tzonkov, Tania Pencheva | source = 7th International Conference on Numerical Methods and Applications 1
08:33, 21 September 2011 2011-LSSC-Roeva.pdf (file) 286 KB Vassia Atanassova (talk | contribs) {{upload | description = Presentation of paper "A Hybrid Genetic Algorithm for Parameter Identification of Bioprocess Models" | author = Olympia Roeva | source = 8<sup>th</sup> International Conference on Large-Scale Scientific Computations - LSSC'2011 1
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