Notes on Intuitionistic Fuzzy Sets/14

*	The volume contains the Proceedings of the 12^th International Conference on Intuitionistic Fuzzy Sets, held on 17-18 May 2008 in Sofia, Bulgaria (Numbers 1 and 2).
**	The volume contains the Proceedings of the 4^th International Workshop on Intuitionistic Fuzzy Sets, held on 13 October 2008 in Banska Bystrica (Number 4).

Number 1 *

Number	Title	Author(s)	Pages
1	Intuitionistic fuzzy sets and fuzzy sets depending on Q-norms	Peter Vassilev, Mladen Vassilev-Missana	1—6
2	On intuitionistic fuzzy negations and intuitionistic fuzzy extended modal operators. Part 1	Chris Hinde, Krassimir Atanassov	7—11
3	On some properties of one Cartesian product over intuitionistic fuzzy sets	Velin Andonov	12—19
4	Inequalities with intuitionistic fuzzy topological and Gokhan Çuvalcioğlu's operators	Boriana Doycheva	20—22
5	IF nearness	Vladimír Janiš	23—26
6	The most general form of one type of intuitionistic fuzzy modal operators. Part 2	Krassimir Atanassov	27—32
7	Operation ÷ over intuitionistic fuzzy sets	Anton Cholakov	33—37
8	Trapezoidal approximations of intuitionistic fuzzy numbers expressed by value, ambiguity, width and weighted expected value	Adrian Ban	38—47
9	Ranking intuitionistic fuzzy alternatives	Eulalia Szmidt, Janusz Kacprzyk	48—56
10	Inequalities with intuitionistic fuzzy modal and topological operators	Hristo Inkiov	57—58

Number	Title	Author(s)	Pages
1	Role of fuzzy and intuitionistic fuzzy contrast intensification operators in enhancing images	Parvathi Rangasamy, Jayanthi Kuppannan, Krassimir Atanassov, Georgi Gluhchev	59—66
2	An application of intuitionistic fuzzy information for handwritten Arabic word recognition	Leila Baccour, Slim Kanoun, Volker Maergner, Mohamed Adel Alimi	67—72
3	Determining the specificity, sensitivity, positive and negative predictive values in intuitionistic fuzzy logic	Ludmila Todorova	73—79
4	Multifactor method of teaching quality estimation at universities with intuitionistic fuzzy evaluation	Maria Hristova, Evdokia Sotirova	80—83
5	A method for ordering of university subjects using intuitionistic fuzzy evaluation	Anthony Shannon, Beloslav Riečan, Evdokia Sotirova, Krassimir Atanassov, Maciej Krawczak, Peter Georgiev, Roumen Nikolov, Sotir Sotirov, Taekyun Kim	84—87
6	Determining intuitionistic fuzzy index for overall employees' performance based on objectives and KPIs	Pavel Tcheshmedjiev, Peter Vassilev	88—90
7	Bacillus colonies recognition using intuitionistic fuzzy sets	Vahid Khatibi, Gh. A. Montazer	91—99
8	Four extended level operators of membership/non-membership over intuitionistic fuzzy sets	Tsvetan Vassilev	100—107
9	Generalized net model of the auto ferry traffic	Vasil Bobev, Sotir Sotirov	108—112

Number	Title	Author(s)	Pages
1	Four equalities connected with intuitionistic fuzzy sets	Tsvetan Vasilev	1—4
2	A study on intuitionistic L-fuzzy subrings	N. Palaniappan, K. Arjunan, M. Palanivelrajan	5—10
3	Intuitionistic M-fuzzy sub-bigroup and its bi-level M-sub-bigroups	N. Palaniappan, R. Muthuraj, P. Sundararajan	11—16
4	On properties of some IFS operators and operations	Qiongsun Liu, Cui Ma, Xiandong Zhou	17—24
5	Extended level operators over intuitionistic fuzzy sets	Krassimir Atanassov	25—28

Number	Title	Author(s)	Pages
1	A new proof of the existence of joint M-observable	Petra Mazureková	1—5
2	Some properties of two operations over intuitionistic fuzzy sets	Beloslav Riečan, Krassimir Atanassov	6—10
3	Weak law of large numbers in P-probability theory	Karol Samuelčik	11—14
4	On intuitionistic fuzzy negations and intuitionistic fuzzy level operators	Krassimir Atanassov	15—19
5	Generalized net model of process of the European Awareness Scenario Workshop Method with intuitionistic fuzzy estimations	Sotir Sotirov, Evdokia Sotirova, Yanislav Zhelev, Maria Zheleva	20—26
6	Generalized net model of the Ro-Ro traffic with intuitionistic fuzzy estimation	Sotir Sotirov, Vasil Bobev	27—33
7	Intuitionistic fuzzy extensions to the Information Technology Infrastructure Library Configuration Management Database	Ivaylo Ivanov, Boyan Kolev	34—40