Open Call for Papers: 29th International Conference on Intuitionistic Fuzzy Sets • 6–7 November 2026 • Sofia, Bulgaria / Online
NEW EXTENDED deadline for submissions: 15 AUGUST 2026.

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22:36, 31 December 2014 NIFS-20-4-01-06.pdf (file) 134 KB Vassia Atanassova (talk | contribs) {{upload | description = [[Issue:Some properties of operations conjunction and disjunction from Łukasiewicz type over intuitionistic fuzzy sets. Part 2|Some properties of operations conjunction and disjunction from Łukasiewicz type over intuitionistic 1
13:02, 30 November 2014 19-ICIFS-2015-CFP.pdf (file) 71 KB Vassia Atanassova (talk | contribs) {{upload | description = First call for papers for ICIFS'2015 | author = V. Atanassova | source = own work | date = 2014 | license = | other-version = }} Category:PDF files 1
19:14, 29 November 2014 NIFS-20-3-72-83.pdf (file) 854 KB Vassia Atanassova (talk | contribs) {{upload | description = Generalized net model of a social network with intuitionistic fuzzy estimation |author = Stanislav Andreev, Krassimir Atanassov and S 1
19:13, 29 November 2014 NIFS-20-3-84.pdf (file) 44 KB Vassia Atanassova (talk | contribs) {{upload | description = Book review of ''Index Matrices: Towards an Augmented Matrix Calculus'' |author = -- | source = Notes on Intuitionistic Fuzzy Sets/20/3 | date = 2014 | license = | other-version = }} 1
17:36, 24 November 2014 NIFS-20-3-65-71.pdf (file) 254 KB Vassia Atanassova (talk | contribs) {{upload | description = [[Issue:Intuitionistic fuzzy estimations of establishing secure File Transfer Protocol connection with Transport Layer Security|Intuitionistic fuzzy estimations of establishing secure File Transfer Protocol connection with Transp 1
13:08, 24 November 2014 NIFS-20-3-42-52.pdf (file) 184 KB Vassia Atanassova (talk | contribs) {{upload | description = Common fixed point theorems in ϵ-chainable intuitionistic fuzzy metric spaces |author = M. Jeyaraman, N. Nagarajan and [[Saurabh 1
12:49, 24 November 2014 NIFS-20-3-34-41.pdf (file) 193 KB Vassia Atanassova (talk | contribs) {{upload | description = On extension principle for intuitionistic fuzzy sets | author = Evgeniy Marinov | source = Notes on Intuitionistic Fuzzy Sets/20/3 | date = 2014 | license 1
11:39, 24 November 2014 NIFS-20-3-53-64.pdf (file) 283 KB Vassia Atanassova (talk | contribs) {{upload | description = Hesitant intuitionistic fuzzy linguistic term sets |author = Ismat Beg and Tabasam Rashid | source = Notes on Intuitionistic Fuzzy Sets/20/3 | date = 201 1
11:35, 24 November 2014 NIFS-20-3-13-33.pdf (file) 274 KB Vassia Atanassova (talk | contribs) {{upload | description = Inverse and direct systems in the category of intuitionistic fuzzy submodules |author = Çiğdem Gündüz (Aras) and Bijan Davvaz 1
11:34, 24 November 2014 NIFS-20-3-06-12.pdf (file) 399 KB Vassia Atanassova (talk | contribs) {{upload | description = On intuitionistic fuzzy β-supra open set and intuitionistic fuzzy β-supra continuous functions |author = [[M. Parimala] 1
11:28, 24 November 2014 NIFS-20-3-01-05.pdf (file) 134 KB Vassia Atanassova (talk | contribs) {{upload | description = [[Issue:Some properties of operations conjunction and disjunction from Łukasiewicz type over intuitionistic fuzzy sets. Part 1|Some properties of operations conjunction and disjunction from Łukasiewicz type over intuitionistic 1
10:44, 15 November 2014 Springer-SCI-573-cover-2.jpg (file) 13 KB Vassia Atanassova (talk | contribs) {{upload | description = Book cover of Index Matrices: Towards an Augmented Matrix Calculus | author = Krassimir Atanassov | source = Springer | date = 2014 | license = All rights reserve | other-version = }} Category:Book covers 1
10:41, 15 November 2014 Springer-SCI-573-cover-1.jpg (file) 34 KB Vassia Atanassova (talk | contribs) {{upload | description = Book cover of Index Matrices: Towards an Augmented Matrix Calculus | author = Krassimir Atanassov | source = Springer | date = 2014 | license = All rights reserve | other-version = }} Category:Book covers 1
10:39, 15 November 2014 Springer-SCI-573-cover.jpg (file) 1.17 MB Vassia Atanassova (talk | contribs) {{upload | description = Book cover of Index Matrices: Towards an Augmented Matrix Calculus | author = | source = Springer | date = 2014 | license = All rights reserve | other-version = }} Category:Book covers 1
17:10, 28 October 2014 GN-1992.pdf (file) 13.13 MB Vassia Atanassova (talk | contribs) {{upload | description = Обобщени мрежи | author = Красимир Атанасов | source = Изд. Понтика Принт | date = 1992 | license = | other-version = }} Category:PDF files 1
09:44, 19 September 2014 NIFS-20-1-09-19.pdf (file) 208 KB Vassia Atanassova (talk | contribs) Corrected 3
23:19, 8 September 2014 NIFS-20-1-40-44.pdf (file) 149 KB Vassia Atanassova (talk | contribs)   2
23:16, 8 September 2014 NIFS-20-1-45-54.pdf (file) 184 KB Vassia Atanassova (talk | contribs)   2
23:14, 8 September 2014 NIFS-20-1-01-08.pdf (file) 157 KB Vassia Atanassova (talk | contribs)   2
23:08, 8 September 2014 NIFS-20-1-63-78.pdf (file) 264 KB Vassia Atanassova (talk | contribs) {{upload | description = Intuitionistic fuzzy goal geometric programming problem |author = Payel Ghosh and Tapan Kumar Roy | source = Notes on Intuitionistic Fuzzy Sets/20/1 1
23:08, 8 September 2014 NIFS-20-1-55-62.pdf (file) 222 KB Vassia Atanassova (talk | contribs) {{upload | description = Intuitionistic fuzzy histograms in grid-based clustering |author = Veselina Bureva | source = Notes on Intuitionistic Fuzzy Sets/20/1 | date = 2014 | 1
23:07, 8 September 2014 NIFS-20-1-20-39.pdf (file) 221 KB Vassia Atanassova (talk | contribs) {{upload | description = Extended intuitionistic fuzzy graphs |author = Krassimir Atanassov | source = Notes on Intuitionistic Fuzzy Sets/20/1 | date = 2014 | license = | other-version = }} 1
22:41, 25 May 2014 NIFS-20-2-109-118.pdf (file) 230 KB Velin S. Andonov (talk | contribs)   5
10:26, 9 May 2014 NIFS-20-2-43-51.pdf (file) 166 KB Peter Vassilev (talk | contribs)   1
09:22, 9 May 2014 NIFS-20-2-37-42.pdf (file) 167 KB Peter Vassilev (talk | contribs)   1
08:57, 9 May 2014 NIFS-20-2-31-36.pdf (file) 156 KB Peter Vassilev (talk | contribs)   1
16:37, 8 May 2014 NIFS-20-2-27-30.pdf (file) 132 KB Peter Vassilev (talk | contribs)   1
16:30, 8 May 2014 NIFS-20-2-23-26.pdf (file) 121 KB Peter Vassilev (talk | contribs)   1
16:10, 8 May 2014 NIFS-20-2-16-22.pdf (file) 130 KB Peter Vassilev (talk | contribs)   1
16:01, 8 May 2014 NIFS-20-2-01-05.pdf (file) 96 KB Peter Vassilev (talk | contribs)   1
15:57, 8 May 2014 NIFS-20-2-06-15.pdf (file) 188 KB Peter Vassilev (talk | contribs)   1
15:56, 8 May 2014 NIFS-20-2-119-125.pdf (file) 332 KB Velin S. Andonov (talk | contribs)   1
15:56, 8 May 2014 NIFS-20-2-100-108.pdf (file) 280 KB Velin S. Andonov (talk | contribs)   1
15:55, 8 May 2014 NIFS-20-2-094-099.pdf (file) 144 KB Velin S. Andonov (talk | contribs)   1
15:55, 8 May 2014 NIFS-20-2-085-093.pdf (file) 237 KB Velin S. Andonov (talk | contribs)   1
15:55, 8 May 2014 NIFS-20-2-075-084.pdf (file) 231 KB Velin S. Andonov (talk | contribs)   1
15:54, 8 May 2014 NIFS-20-2-069-074.pdf (file) 147 KB Velin S. Andonov (talk | contribs)   1
15:54, 8 May 2014 NIFS-20-2-060-068.pdf (file) 173 KB Velin S. Andonov (talk | contribs)   1
15:54, 8 May 2014 NIFS-20-2-052-059.pdf (file) 184 KB Velin S. Andonov (talk | contribs)   1
15:53, 8 May 2014 NIFS-20-2-043-051.pdf (file) 166 KB Velin S. Andonov (talk | contribs)   1
15:52, 8 May 2014 NIFS-20-2-037-042.pdf (file) 167 KB Velin S. Andonov (talk | contribs)   1
15:52, 8 May 2014 NIFS-20-2-031-036.pdf (file) 156 KB Velin S. Andonov (talk | contribs)   1
15:51, 8 May 2014 NIFS-20-2-027-030.pdf (file) 132 KB Velin S. Andonov (talk | contribs)   1
15:51, 8 May 2014 NIFS-20-2-023-026.pdf (file) 121 KB Velin S. Andonov (talk | contribs)   1
15:49, 8 May 2014 NIFS-20-2-016-022.pdf (file) 130 KB Velin S. Andonov (talk | contribs)   1
15:48, 8 May 2014 NIFS-20-2-006-015.pdf (file) 188 KB Velin S. Andonov (talk | contribs)   1
15:45, 8 May 2014 NIFS-20-2-01-15.pdf (file) 96 KB Peter Vassilev (talk | contribs)   1
12:02, 7 March 2014 Gennete-2006.rar (file) 532 KB Vassia Atanassova (talk | contribs) {{upload | description = Gennete, v. 2006 | author = | source = | date = | license = | other-version = }} Category:RAR files 1
18:47, 4 February 2014 NIFS-19-4-27-41.pdf (file) 202 KB Vassia Atanassova (talk | contribs) *index* matrices 2
14:49, 4 February 2014 NIFS-19-4-60-68.pdf (file) 170 KB Vassia Atanassova (talk | contribs) {{upload | description = Intuitionistic fuzzy optimization: Usage of hesitation index |authors = Arindam Garai and Tapan Kumar Roy | source = [[Notes on Intuitionistic Fuzzy 1
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