Guram Tsertsvadze

Muskhelishvili Institute of Computational Mathematics

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Alphabetical systems and the harmonic numerical intervals they generate.Kandelaki N., Tsertsvadze G.articleსაქართველოს ტექნიკური უნივერსიტეტის შრომები. საინფორმაციო და კომპიუტერული ტექნოლოგიები, მოდელირება, მართვა. თბილისი, 2011 არ აქვს არ აქვს არ აქვსGeorgianState Targeted Program
Theta congruent numbers for singular triangles.Kandelaki N., Tsertsvadze G.articleGESJ - Electronic Scientific Journal: "Computer Sciences and Telecommunications", 4(21), 2009არ აქვს არ აქვს არ აქვსEnglishState Targeted Program
Cryptanalysis of Georgian Asomtavruli alphabet.Kandelaki N., Tsertsvadze G.monographინტელექტი, თბილისი, 2005, 151 გვ.არ აქვს არ აქვს არ აქვსState Targeted Program
On the Probabilistic Model of the Cartesian Product of Canonically Conjugate Fuzzy Subsets. T.Davitashvili, G.Tsertsvadze, H.Meladzearticle13th International Conference on Computer Science and Information Technologies (CSIT'2021), Yerevan, Armenia, September 27 - October 1, 2021. IIAP NAS RA 2021, Proceedings, pp.124-130.არ აქვს ISBN 978-1-1339-5 არ აქვსEnglishState Targeted Program
About the Spectrum of the Eigenvalues of Color Operators in a Theory of Canonically Conjugate Fuzzy SubsetsMeladze, H., Tsertsvadze, G., Davitashvili, T.conference proceedings12th International Conference on Computer Science and Information Technologies, CSIT 2019, art. no. 8895164, pp. 101-104.არ აქვს ISBN: 9781728128580DOI: 10.1109/CSITechnol.2019.8895164EnglishState Targeted Program
New Chromo Theory of Canonically Conjugate Fuzzy Subset.Tamaz Gachechiladze, Hamlet Meladze, Guram Tsertsvadze, Magda Tsintsadze. conference proceedingsPublished by WSEAS Press / Proceedings of the 3rd WSEAS International Conference on COMPUTING and COMPUTATIONAL INTELLIGENCE (CI '09), Tbilisi, Georgia, June 26-28, 2009, pp.410-413არ აქვს ISSN: 1790-5117 არ აქვსEnglishState Targeted Program
ESTIMATION OF A DEGREE OF RISK OF BANKRUPTCY OF THE ENTERPRISES AND FIRMS ON THE BASIS OF FUZZY LOGICТ.Гачечиладзе, Т.Давиташвили, Г.Меладзе, Г.Церцвадзе. articleElectronic Scientific Journal: “Computer Sciences and Telecommunications”, 2007, #3(14).არ აქვს ISSN 1512-1232 არ აქვსRussianState Targeted Program
Fuzzy analysis (image construction) of the language structure on a finite set of insufficient dataCriado, F., Gachechiladze, T., Jorjiashvili, N., Mandjaparashvili, T., Meladze, H., Sirbiladze, G., Tsilossani, T., Tsertsvadze, G.articleTaylor & Francis / Journal of Quantitative Linguistics, 2004 / 11 (1-2), pp. 93-132.WoS IF 0.914 ISSN: 0929-6174 DOI: 10.1080/09296170512331383675EnglishGrant Project
Theory of connectivity and apportionment of representative activity chains in the problem of decision-making concerning earthquake possibilityCriado, F., Gachechiladze, T., Jorjiashvili, N., Khvedelidze, Z., Meladze, H., Sánchez, J.M., Sirbiladze, G., Tsertsvadze, G.articleTaylor & Francis / International Journal of General Systems, 2003 / 32 (2), pp. 103-121.WoS IF 1.671 ISSN: 0308-1079 DOI: 10.1080/0308107031000088083EnglishGrant Project
The bag model in language statisticsCriado, F., Gachechiladze, T., Meladze, H., Tsertsradze, G.articleELSEVIER / Information Sciences, 2002 / 147 (1-4), pp. 13-44.WoS IF 6.795 ISSN: 0020-0255 DOI: 10.1016/S0020-0255(02)00201-3EnglishGrant Project
Fuzzy models of language structuresTorralba, F.C., Gachechiladze, T., Meladze, H., Tsertsvadze, G.articleIEEE Xplore / IEEE Transactions on Fuzzy Systems, 2002 / 10 (4), pp. 421-435WoS IF 12.029 ISSN: 1063-6706 DOI: 10.1109/TFUZZ.2002.800655EnglishGrant Project

14th International Conference on Computer Science and Information Technologies (CSIT'2021)Yerevan, Armenia202127/09/2021-01/10/2021"The National Academy of Science of Armenia The Institute for Informatics and Automation Problems"T.Davitashvili, G.Tsertsvadze, H.Meladze, On the Probabilistic Model of the Cartesian Product of Canonically Conjugate Fuzzy Subsetsoral

In the present work the problems related to the construction of a probabilistic model of the Cartesian product of canonically conjugated fuzzy subsets is investigated. The case of the Cartesian product of two fuzzy subsets with commuting colors is considered in detail. It is shown that the model most fully reflects the special "additional" nature of the connection between two canonically conjugated colors in a form of the uncertainty principle for the corresponding dispersions.

"Proceedings, pp.124-130 https://csit.am/2021/"
12th International Conference on Computer Science and Information Technologies (CSIT'2019)Yerevan, Armenia201922/09/2019-28/09/2019"The National Academy of Science of Armenia The Institute for Informatics and Automation Problems"H.Meladze, G.Tsertsvadze, T.Davitashvili, About the Spectrum of Eigenvalues of Color Operators in a Theory of Canonically Conjugate Fuzzy Setsoral

In the present work is considered an approach, according to which canonically conjugate colors in the theory of fuzzy sets are related to the properties of information functions and noncommutative linear operators in Gilbert's space: each information state corresponds to the estimation of compatibility function, every color – to the operator. It is supposed that color, as some property (attribute), characterizing a condition of a system, can receive different values called by eigenvalues of this color. The cases of discrete and continuous spectrum of eigenvalues of color are considered. The example of calculation of conditional computable values of color is given.

https://csit.am/2019/proceedings/ITA/ITA3.pdf
The International Scientific Conference devoted to the 85th Anniversary of Academician I.V. Prangishvili «Information and Computer Technologies, Modelling, Control»Tbilisi, Georgia 201503/11/2015-05/11/2015Georgian Technical UniversityH.Meladze, M.Pkhovelishvili, G.Tsertsvadze, Verification of ptograms using clastersoral

ნაშრომში განხილულია გარკვეული კლასის გამოთვლითი ამოცანებისათვის სპეციალურად შექმნილი პროგრამების ვერიფიკაციის შესაძლებლობა Model checking-ის მეთოდის გამოყენებით პროგრამებში პარალელიზმის განსაკუთრებულობის გათვალისწინებით. პროგრამის სისწორის დამტკიცება განსხვავდება ტრადიციულისაგან და დაიყვანება არა მარტო ცალკეული განშტოების ვერიფიკაციაზე, არამედ განშტოებების ურთიერთმოქმედების ანალიზზე მათი პარალელური სტრუქტურის გათვალისწინებით.

The paper discusses the possibility of verifying programs for certain classes of computational tasks using the Model checking method, taking into account the specificity of parallelism in programs. The validation of the program differs from the traditional one and is reduced not only to the verification of individual branches, but also to the analysis of the interaction of branches by considering their parallel structure.

Proceedings, pp.558-559 http://ict-mc.gtu.ge/conference.pdf
International Conference SAIT 2011 “System Analysis and Information Technologies”Kyiv, Ukraine201123/05/2011-28/05/2011National Technical University of Ukraine “Igor Sikorsky Kyiv Polytechnic Institute”Davitashvili T.D., Meladze G.V., Tsertsvadze G.N., On the probabilistic model of the Cartesian product of canonically conjugate fuzzy subsetsoral

A conditional characteristic function of color and conditional computable values of color are considered. When calculating the compatibility function of the Cartesian product of two fuzzy canonically conjugate subsets, we will proceed from the corresponding characteristic function.

Cases of Cartesian product of two fuzzy subsets with both commuting and non-commuting colors are considered.

It is shown that from the probability model of the Cartesian product of two fuzzy subsets, a relation follows, establishing a relationship between the variances of canonically conjugate colors.

Proceedings, p.232 http://sait.kpi.ua/media/filer_public/14/fb/14fbc6d6-43dc-4be4-a41e-e237a780be39/sait2011ebook.pdf
XII International Conference on Science and Technology “System Analysis and Information Technologies”Kyiv, Ukraine201025/05/2010-29/05/2010National Technical University of Ukraine “Igor Sikorsky Kyiv Polytechnic Institute”Davitashvili T.D., Gachechiladze T.G., Meladze H.B., Tsertsvadze G. Analyses of opportunities of formal and natural languages in fuzzy environment and its application in information technology oral

The generalized information theory is constructed on the base of chromotheory of canonicaly conjugate fuzzy subsets. This allows us to process the objective and subjective information simultaneously and carry informational functions in the Hilbert space, where the colours will be presented as linear operator. Using this approaches we can establish the commutation conditions for operators that are corresponding to various colours, i. e. to receive the analogues of Heisenberg principle for knowledge presentation and construction of arithmetic of fuzzy numbers, which allows us development of fuzzy information processing methods and decision making algorithms.

On the base of canonically conjugate fuzzy subsets we construct the optimal arithmetic of canonically conjugate fuzzy real numbers, which allows consideration of the combined statistics (probabilistic and possibilistic) of natural language. Constructed formalism permits to investigate the quantitive aspects of the natural languages structures. Carrying out possibility analysis of language is a cardinal problem of quantitative descriptions

of language, that is very important from the point of view of creation of the future generations of computers, where communication of the consumer with a computer will occur

in a natural language.

http://sait.kpi.ua/media/filer_public/72/3f/723faf86-8454-403f-a92a-4c232bccd9c8/sait2010ebook.pdf
II-nd All–Russian Conference “Knowledge-Ontology-Theory” (KONT-09) Novosibirsk, Russia200920/10/2009-22/10/2009"Sobolev Institute of Mathematics, Russian Foundation for Basic Research, Association for Pattern Recognition and Image Analysis of the Russian Federation"T.Gachechiladze, H.Meladze, G.Tsertsvadze, N.Archvadze, T.Davitashvili. About a Theory of Canonically Conjugate Fuzzy Subsetsoral

The theory of canonically conjugate fuzzy subsets is presented. The Heizenberg’s principle’s analog principle is established. In Hilbert space the informational functions and joint membership functions are defined. In the work colour operators, Zadeh operators and corresponding commutativity relations are presented

" http://math.nsc.ru/conference/zont09/reports.html"
3rd WSEAS International Conference on COMPUTATIONAL INTELLIGENCE (CI '09) Tbilisi, Georgia200926/06/2009-28/06/2009"WSEAS Ivane Javakhishvili Tbilisi. State University"Tamaz Gachechiladze, Hamlet Meladze, Guram Tsertsvadze, Magda Tsintsadze. New Chromo Theory of Canonically Conjugate Fuzzy Subset. oral

The new chromo theory of canonically conjugate fuzzy subsets is presented. The Heisenberg’s principle’s analog principle is established. In Hilbert space the informational functions and joint membership functions are defined. In the work Zadeh operators, color operators and corresponding commutatively relations are presented.

Proceedings, pp.410-413
Scientific Conference “Computing 2008” dedicated to the 90th anniversary of Ivane Javakhishvili Tbilisi. State UniversityTbilisi, Georgia200819/10/2008Ivane Javakhishvili Tbilisi. State UniversityG.Gachechiladze, T.Gachechiladze, T.Davitashvili, H,Meladze, G.Tsertsvadze. Expertons for expert evaluationsoral

The experton theory is presented in a such form that permits to use it directly for decision making. The new form of experton theory is applied to scientific themes presented on the concurs. Each them is characterized by some attributes in 10 point system. The algorithm of decision making is presented by some rules of matrix transformations. Shortly the expertons algebraic properties are considered.

ISSN 0165-0114, Proceedings of the conference “Computing 2008”, pp.47-49
Scientific Conference “Computing 2008” dedicated to the 90th anniversary of Ivane Javakhishvili Tbilisi. State UniversityTbilisi, Georgia200819/10/2008Ivane Javakhishvili Tbilisi. State UniversityT.Gachechiladze, H.Meladze, G.Tsertsvadze, N.Archvadze, T.Davitashvili. New chromotheory of canonicaly conjugate fuzzy subsetsoral

The new chromotheory of canonicaly conjugate fuzzy subsets is presented. The Heizenberg’s principle’s analog principle is established. In Hilbert space the informational functions and joint membership functions are defined. In the work Zadeh operators, colour operators and corresponding commutativity relations are presented.  

ISSN 0165-0114, Proceedings of the conference “Computing 2008”, pp.56-58

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Torralba, F.C., Gachechiladze, T., Meladze, H., Tsertsvadze, G. Fuzzy models of language structures. IEEE Xplore / IEEE Transactions on Fuzzy Systems, 2002 / 10 (4), pp. 421-435.State Target Program

Statistical distribution of language structures reflect important regularities controlling informational and psycho-physiological processes, which accompany the generation of verbal language or printed texts. In this paper, fuzzy quantitative models of language statistics are constructed. The suggested models are based on the assumption about a super-position of two kinds of uncertainties: probabilistic and possibilistic. The realization of this super-position in statistical distributions is achieved by the splitting procedure of the probability measure. In this way, the fuzzy versions of generalized binomial, Fucks', and Zipf-Mandelbrot's distributions are constructed describing the probabilistic and possibilistic organization of language at any level: morphological, syntactic, or phonological.

https://ieeexplore.ieee.org/abstract/document/1022864
Tsertsvadze G., et all. Theory of connectivity and apportionment of representative activity chains in the problem of decision-making concerning earthquake possibility. International Journal of General Systems, Taylor & Francis, 2003, 32 (2)State Target Program

In this paper a short model to expedite the study of a subjective estimate by means of a qualitative fuzzy technique has been developed, and recommendations for decision-making regarding the three principal elements of earthquakes (time, place and magnitude) have been formulated. Likewise, the problem related to the investigation of the possibility of using Atkin's connectivity theory to deal with this subject has been studied.Such a theory gives suitable information for decision-making concerning earthquake possibility in the shape of representative activity chains (precursors), which cannot be obtained by other methods. The most important and general result of this paper is a better understanding of the interaction of geophysical processes. Naturally, the development and application of indiscreet mathematical methods in earthquake prediction require further investigation.

https://www.tandfonline.com/doi/abs/10.1080/0308107031000088083
Tsertsvadze G., et all. Fuzzy analysis (image construction) of the language structure on a finite set of insufficient data. Journal of Quantitative Linguistics, Taylor & Francis, 2004, 11 (1-2)State Target Program

Fuzzy logic and fuzzy theories were initially proposed to describe linguistic variables, i.e., to describe the meaning of words in natural language. Originally, Zadeh thought that the area of linguistic would be one of the major fields of application for this new formalism. Surprisingly, the main area of application is now control, and in comparison with control there are only a few application in the field of linguistic. In view of it, this work describes a new approach to the study of natural language. The paper is devoted to numerical modeling of fuzzy organization of various language structures by using fuzzy distributions which contains data about important regularities controlling informational and psycho-physiological processes which accompany the generation of verbal language or printed texts. These distributions are characterized by so called linguistic spectrum describing various distribution mechanisms of marked out language elements over their sequences. Models of such linear structures are based on the assumption about the superposition of two kind of uncertainties: probabilistic and possibilistic.

https://www.tandfonline.com/doi/abs/10.1080/09296170512331383675
Tsertsvadze G., et all. About the Spectrum of the Eigenvalues of Color Operators in a Theory of Canonically Conjugate Fuzzy Subsets. 12th International Conference on Computer Science and Information Technologies, 2019.State Target Program

In the present work is considered an approach, according to which canonically conjugate colors in the theory of fuzzy sets are related to the properties of information functions and non-commutative linear operators in Gilbert's space: each information state corresponds to the estimation of compatibility function, every color – to the operator. It is supposed that color, as some property (attribute), characterizing a condition of a system, can receive different values called by eigenvalues of this color. The cases of discrete and continuous spectrum of eigenvalues of color are considered. The example of calculation of conditional

computable values of color is given.

https://csit.am/2019/proceedings/ITA/ITA3.pdf

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