Notes on Intuitionistic Fuzzy Sets/15

*	The volume contains the Proceedings of the 13^th International Conference on Intuitionistic Fuzzy Sets, held on 9-10 May 2009 in Sofia, Bulgaria (Numbers 1 and 2).
**	The volume contains the Proceedings of the 5^th International Workshop on Intuitionistic Fuzzy Sets, held on 19 October 2009 in Banska Bystrica (Number 4).

Number 1 *

Number	Title	Author(s)	Pages
1	A note on the Hausdorff distance between Atanassov's intuitionistic fuzzy sets	Eulalia Szmidt, Janusz Kacprzyk	1—12
2	A method to obtain trapezoidal approximations of intuitionistic fuzzy numbers from trapezoidal approximations of fuzzy sets	Adrian Ban, Lucian Coroianu	13—25
3	Theorem for equivalence of the two most general intuitionistic fuzzy modal operators	Krassimir Atanassov	26—31
4	On some properties of intuitionistic fuzzy negation ¬_@	Lilija Atanassova	32—35
5	Ergodic theorem on B-structures	Lenka Lašová, Magdaléna Renčová	36—41
6	A note on properties of temporal intuitionistic fuzzy sets	Parvathi Rangasamy, S. P. Geetha	42—48

Number	Title	Author(s)	Pages
1	A framework for a prototype of an intuitionistic fuzzy expert system	Diana Boyadzhieva	1—9
2	Fault tree analysis in an intuitionistic fuzzy configuration management database	Boyan Kolev, Ivaylo Ivanov	10—17
3	Generalized net model of the intuitionistic fuzzy feed forward neural network	Krassimir Atanassov, Sotir Sotirov, Maciej Krawczak	18—23
4	Intuitionistic fuzzy detection of signal availability in multipath wireless channels	Dimitar Valchev, Sotir Sotirov	24—29
5	On intuitionistic fuzzy trees	Panagiotis Chountas, Mohammedsharaf Alzebdi, Anthony Shannon, Krassimir Atanassov	30—32
6	Neural network for defining intuitionistic fuzzy sets in e-learning	Sotir Sotirov, Evdokia Sotirova, Daniela Orozova	33—36

Number	Title	Author(s)	Pages
1	Intuitionistic fuzzy filters of ordered semigroups	Muhammad Shabir, Asghar Khan	1—13
2	The homomorphism and anti-homomorphism of lower level subgroups of an intuitionistic antifuzzy subgroup	N. Palaniappan, K. Arjunan, M. S. Anitha	14—19
3	Remark on operation "subtraction" over intuitionistic fuzzy sets	Krassimir Atanassov	20—24
4	On the intuitionistic Q-fuzzy ideals of near-rings	Okram Ratnabala Devi	25—32

Number	Title	Author(s)	Pages
1	Symmetry between true, false and uncertain: An explanation	Eulalia Szmidt, Vladik Kreinovich	1—8
2	On intuitionistic fuzzy subtraction, related to intuitionistic fuzzy negation ¬₁₁	Beloslav Riečan, Diana Boyadzhieva, Krassimir Atanassov	9—14
3	On intuitionistic fuzzy subtraction, related to intuitionistic fuzzy negation ¬₄	Beloslav Riečan, Magdaléna Renčová, Krassimir Atanassov	15—18
4	The generalized modal operator F ^p_α,β over p-intuitionistic fuzzy sets	Peter Vassilev	19—24
5	A note on a geometric interpretation of the intuitionistic fuzzy set operators P_α,β and Q_α,β	Ludmila Todorova, Peter Vassilev	25—29
6	On intuitionistic fuzzy subtraction, generated by an implication from Kleene-Dienes type	Lilija Atanassova	30—32
7	A new similarity measure and new distances for intuitionistic fuzzy sets	Eulalia Szmidt, Janusz Kacprzyk, Radoslav Tzvetkov	33—39
8	Generalized net model of process of the European awareness scenario workshop method with intuitionistic fuzzy estimation	Sotir Sotirov, Evdokia Sotirova, Yanislav Zhelev, Maria Zheleva	40—44
9	Intuitionistic fuzzy logic in generalized net model of an advisory system for yeast cultivation on-line control	Tania Pencheva	45—51
10	On intuitionistic fuzzy trees and their index matrix interpretation	Panagiotis Chountas, Anthony Shannon, Parvathi Rangasamy, Krassimir Atanassov	52—56