Javier Perez-Capdevila (born February 7, 1963) is a Cuban scientist, mathematician and professor, known for the introduction of the operation mixed mixtures of

fuzzy set In mathematics, fuzzy sets (a.k.a. uncertain sets) are sets whose elements have degrees of membership. Fuzzy sets were introduced independently by Lotfi A. Zadeh in 1965 as an extension of the classical notion of set. At the same time, defined a ...

s, among other theoretical contributions to

fuzzy mathematics Fuzzy mathematics is the branch of mathematics including fuzzy set theory and fuzzy logic that deals with partial inclusion of elements in a set on a spectrum, as opposed to simple binary "yes" or "no" (0 or 1) inclusion. It started in 1965 ...

, as well as to introduce a concept of labor competencies with a method to measure them.

Main scientific contributions

From the concept of index or

coefficient In mathematics, a coefficient is a multiplicative factor in some term of a polynomial, a series, or an expression; it is usually a number, but may be any expression (including variables such as , and ). When the coefficients are themselves var ...

of adequacy given by Jaume Gil Aluja in 1996, many draws in adequacy can occur. To solve it, Pérez Capdevila introduced the concepts of overweight in adaptation, fuzzy coefficient for equal adequacy coefficients and adjusted tiebreaker coefficient for equal adequacy coefficients, which he defines with precision, to unpack in an indefinite number of cases with equal adequacy coefficients, thus rounding out a

theory A theory is a rational type of abstract thinking about a phenomenon, or the results of such thinking. The process of contemplative and rational thinking is often associated with such processes as observational study or research. Theories may be s ...

about the suitability of candidates for a preset profile Built the operation of mixture of

s, where from elements of different nature new elements are obtained with their certain degrees of belonging. In the field of

applied mathematics Applied mathematics is the application of mathematical methods by different fields such as physics, engineering, medicine, biology, finance, business, computer science, and industry. Thus, applied mathematics is a combination of mathematical s ...

he has achieved important advances regarding the evaluation of the economical effects and control of the exotic invading

alien species An introduced species, alien species, exotic species, adventive species, immigrant species, foreign species, non-indigenous species, or non-native species is a species living outside its native distributional range, but which has arrived there ...

, and he has accomplished important theoretical contributions. He has contributed to the concepts of individual benefit of an exotic invading alien species, collective benefit of an exotic invading alien species, a priori cost-benefit analysis of an exotic invading alien species, a posteriori cost-benefit analysis of an exotic invading alien species, as well as a method to accomplish those analyses. In the organizational field, using the mixture of

s and the theoretical method of

analysis Analysis ( : analyses) is the process of breaking a complex topic or substance into smaller parts in order to gain a better understanding of it. The technique has been applied in the study of mathematics and logic since before Aristotle (38 ...

and

synthesis Synthesis or synthesize may refer to: Science Chemistry and biochemistry *Chemical synthesis, the execution of chemical reactions to form a more complex molecule from chemical precursors ** Organic synthesis, the chemical synthesis of organ ...

, studies the chronological definitions of competencies, and provides a new definition of these (Competence (organization)), which facilitates their measurement. Based on this scientific fact, Perez-Capdevila builds a work

algorithm In mathematics and computer science, an algorithm () is a finite sequence of rigorous instructions, typically used to solve a class of specific Computational problem, problems or to perform a computation. Algorithms are used as specificat ...

to measure competences from human perception and build maps (defining them), provides a classification of people based on the elements of their competences, provides a procedure to correlate competencies and salary, and builds a simulator that links competencies with productivity and quality of work. He created a method to determine the relationship between work competences and salaries, which evaluates the losses that can be generated due to the lack of competences (whether laboral or professional). In the same way he constructed a simulating device to relate competences with productivity of the work and quality of work. Criticizes the way in which the

SWOT analysis SWOT analysis (or SWOT matrix) is a strategic planning and strategic management technique used to help a person or organization identify Strengths, Weaknesses, Opportunities, and Threats related to business competition or project planning. It ...

(Strengths, Opportunities, Weaknesses and Threats) is carried out. According to Perez-Capdevila, the use of limited options to assess impacts, as well as equal weighting among all Strengths, Opportunities, Weaknesses or Threats. According to him, it is a model that does not fit reality. He proposed an alternative procedure to carry out this analysis, where he addresses the problem of inconsistency that could be generated in expert votes. He directed the first study of perception of science and technology that was carried out in

Cuba Cuba ( , ), officially the Republic of Cuba ( es, República de Cuba, links=no ), is an island country comprising the island of Cuba, as well as Isla de la Juventud and several minor archipelagos. Cuba is located where the northern Caribbea ...

, taking as a context the Guantanamo province where he resides, and stood out as a researcher in the first study of evaluation of

sustainability Specific definitions of sustainability are difficult to agree on and have varied in the literature and over time. The concept of sustainability can be used to guide decisions at the global, national, and individual levels (e.g. sustainable livi ...

in Cuba], in collaboration with several Cuban and

Spanish universities There are 76 universities in Spain, most of which are supported by state funding. 24 Spanish universities are private, of which 7 are affiliated with the Catholic Church. Former degrees were: *''Licenciatura'' or ''ingeniería'', can last four, fi ...

. Contributed two new concepts: return potential and

immigration Immigration is the international movement of people to a destination country of which they are not natives or where they do not possess citizenship in order to settle as permanent residents or naturalized citizens. Commuters, tourists, and ...

potential, whose application is intended for the repopulation process of the Cuban mountains. He has written several books and

scientific articles : ''For a broader class of literature, see Academic publishing.'' Scientific literature comprises scholarly publications that report original empirical and theoretical work in the natural and social sciences. Within an academic field, scient ...

among which "The Age of Knowledge", "Definition, measurement and maps of labor competencies" and "Science and technology from a popular point of view" stand out.

Awards and distinctions

* National Prize of the

Academy of Sciences of Cuba The Cuban Academy of Sciences (''Academia de Ciencias de Cuba'') is an official institution of the Cuban state, with headquarters in the National Capitol building in Havana. It is described as the oldest active national academy of sciences outside ...

, which is the highest Prize awarded by the

to Cuban scientists for relevant results with manifest impacts. *

Order (distinction) An order is a visible honour awarded by a sovereign state, monarch, dynastic house or organisation to a person, typically in recognition of individual merit, that often comes with distinctive insignia such as collars, medals, badges, and sashes ...

Carlos Juan Finlay Carlos Juan Finlay (December 3, 1833 – August 20, 1915) was a Cuban epidemiologist recognized as a pioneer in the research of yellow fever, determining that it was transmitted through mosquitoes ''Aedes aegypti''. Biography Early life and ...

": It is the greatest scientific recognition granted in Cuba. This award is conferred by the State Council of the Republic of Cuba to Cuban and foreign citizens in recognition of extraordinary merits for valuable contributions to the development of Natural or Social Sciences, to scientific or research activities that have contributed exceptionally to the progress of the sciences and for the benefit of humanity. * Commemorative Seal “Antonio Bachiller y Morales”: The highest award granted by the Cuban Society of Information Sciences for relevant contributions to Knowledge Management, both in the field of theory and in practice. * Honorary Seal "Forgers of the Future": Awarded by the National Presidency of the Technical Youth Brigades of Cuba in an exceptional way to outstanding personalities of science. * Distinction Juan Tomás Roig, for more than 30 years of services, in recognition to the merits reached like worker linked to the scientific chore in several branches of the economy and of the social life of the country. *

Honorary title (academic) Honorary titles (professor, reader, lecturer) in academia may be conferred on persons in recognition of contributions by a non-employee or by an employee beyond regular duties. This practice primarily exists in the UK and Germany, as well as in m ...

of Professor of the COMFENALCO Foundation of Colombia.

References

Notes

Sources

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{{DEFAULTSORT:Perez-Capdevila, Javier 1963 births Living people 20th-century Cuban mathematicians 21st-century Cuban mathematicians Business theorists Cuban economists