Recent Submissions

  • Fuzzy interval optimal control problem

    Campos, José Renato Autor UNESP; Assunção, Edvaldo Autor UNESP; Silva, Geraldo Nunes Autor UNESP; Lodwick, Weldon Alexander; Teixeira, Marcelo Carvalho Minhoto Autor UNESP; Maqui-Huamán, Gino Gustavo Autor UNESP (Fuzzy Sets and Systems, 2019) [Artigo]
    This paper proposes the discrete-time fuzzy interval optimal control problem via single-level constrained fuzzy arithmetic. Fuzzy interval functions are established and allow us to evaluate the dynamics of the fuzzy interval ...
  • Necessary conditions for continuous-time optimization under the Mangasarian–Fromovitz constraint qualification

    do Monte, Moisés Rodrigues Cirilo Autor UNESP; de Oliveira, Valeriano Antunes Autor UNESP (Optimization, 2019) [Artigo]
    In this paper, a Mangasarian–Fromovitz-type regularity condition is presented with the purpose of obtaining first order necessary optimality conditions for continuous-time nonlinear programming problems with both equality ...
  • Complementary romanovski-routh polynomials: From orthogonal polynomials on the unit circle to coulomb wave functions

    Martínez-Finkelshtein, A.; Silva Ribeiro, L. L. Autor UNESP; Sri Ranga, A. Autor UNESP; Tyaglov, M. (Proceedings of the American Mathematical Society, 2019) [Artigo]
    We consider properties and applications of a sequence of polynomials Known as complementary RomanovsKi-Routh polynomials (CRR polynomials for short). These polynomials, which follow from the RomanovsKi-Routh polynomials ...
  • Quadrature rules from a R I I type recurrence relation and associated quadrature rules on the unit circle

    Bracciali, Cleonice F. Autor UNESP; Pereira, Junior A. Autor UNESP; Ranga, A. Sri Autor UNESP (Numerical Algorithms, 2019) [Artigo]
    We consider the theoretical and numerical aspects of the quadrature rules associated with a sequence of polynomials generated by a special R II recurrence relation. We also look into some methods for generating the nodes ...
  • Sufficient Optimality Conditions for Optimal Control Problems with State Constraints

    Antunes de Oliveira, Valeriano Autor UNESP; Nunes Silva, Geraldo Autor UNESP (Numerical Functional Analysis and Optimization, 2019) [Artigo]
    It is well-known in optimal control theory that the maximum principle, in general, furnishes only necessary optimality conditions for an admissible process to be an optimal one. It is also well-known that if a process ...
  • Face recognition using local mapped pattern and genetic algorithms

    Silva, E. M. Autor UNESP; Boaventura, M. Autor UNESP; Boaventura, I. A.G. Autor UNESP; Contreras, R. C. (ACM International Conference Proceeding Series, 2018) [Trabalho apresentado em evento]
    Facial recognition is one of the most used biometric technologies in automated systems which ensure a person’s identity for authorizes access and monitoring. The acceptance of face use has several advantages over other ...
  • R II type recurrence, generalized eigenvalue problem and orthogonal polynomials on the unit circle

    Ismail, M. E.H.; Sri Ranga, A. Autor UNESP (Linear Algebra and Its Applications, 2019) [Artigo]
    We consider a sequence of polynomials {P n } n≥0 satisfying a special R II type recurrence relation where the zeros of P n are simple and lie on the real line. It turns out that the polynomial P n , for any n≥2, is the ...

    Bueno, Atila Madureira Autor UNESP; Tusset, Angelo Marcelo; Martins dos Santos, Joao Paulo; Tsuchida, Masayoshi Autor UNESP; Balthazar, Jose Manuel Autor UNESP; ASME (Proceedings Of The Asme International Design Engineering Technical Conferences And Computers And Information In Engineering Conference, 2013, Vol 8, 2014) [Trabalho apresentado em evento]
    The dynamical behavior of an electromechanical pendulum system is analyzed by means of the classical perturbation theory. A frequency response model of the system is obtained, and the number of unstable poles are determined ...
  • Zeros of Dirichlet polynomials via a density criterion

    Oliveira, Willian D. Autor UNESP (Journal Of Number Theory, 2019) [Artigo]
    We obtain a necessary and sufficient condition in order that a semi-plane of the form R(s) > r, r is an element of R, is free of zeros of a given Dirichlet polynomial. The result may be considered a natural generalisation ...

    Lun, Yen Chi Autor UNESP (Proceedings Of The American Mathematical Society, 2019) [Artigo]
    We prove some results concerning the behaviour of zeros of families of paraorthogonal polynomials on the unit circle. We establish an interlacing property of the zeros of some functions related to the paraorthogonal ...
  • Sign regularity of Maclaurin coefficients of functions in the Laguerre-Polya class

    Dimitrov, Dimitar K. Autor UNESP; Oliveira, Willian D. Autor UNESP (Journal D Analyse Mathematique, 2019) [Artigo]
    We prove that the signs of the Maclaurin coefficients of a wide class of entire functions that belong to the Laguerre-Polya class possess a regular behaviour.
  • Gauss-type integral inequalities for interval and fuzzy-interval-valued functions

    Costa, T. M.; Silva, G. N. Autor UNESP; Chalco-Cano, Y.; Roman-Flores, H. (Computational & Applied Mathematics, 2019) [Artigo]
    This study presents new Gauss's inequalities for interval and fuzzy-interval-valued functions using the Aumann's and Kaleva's improper integrals. The inequality for interval-valued functions is based on the Kulisch-Miranker ...
  • Order Relations, Convexities, and Jensen's Integral Inequalities in Interval and Fuzzy Spaces

    Costa, Tiago Mendonca da; Chalco-Cano, Yurilev; Barros, Laecio Carvalho de; Silva, Geraldo Nunes Autor UNESP; Barreto, G. A.; Coelho, R. (Fuzzy Information Processing, Nafips 2018, 2018) [Trabalho apresentado em evento]
    This study presents new interval and fuzzy versions of the Jensen's integral inequality, which extend the classical Jensen's integral inequality for real-valued functions, using Aumann and Kaleva integrals. The inequalities ...
  • Julia sets for Fibonacci endomorphisms of (2)

    Bonnot, S.; Carvalho, A. de; Messaoudi, A. Autor UNESP (Dynamical Systems-an International Journal, 2018) [Artigo]
    We study the dynamics of the family f(c)(x, y)= (xy + c, x) of endomorphisms of , where c is a real parameter. We investigate several topological properties of the forward and backward filled Julia sets. Then, through the ...
  • Process flexibility and the chaining principle in lot sizing problems

    Fiorotto, Diego Jacinto; Jans, Raf; Araujo, Silvio Alexandre de Autor UNESP (International Journal Of Production Economics, 2018) [Artigo]
    We analyse the value of process flexibility in the context of a short-term deterministic lot sizing problem with backlogging, where several types of products can be made on several alternative resources. It may be very ...
  • A Full Rank Condition for Continuous-Time Optimization Problems with Equality and Inequality Constraints

    Monte, M.r.c.; Oliveira, V.a. De (TEMA (São Carlos), 2019) [Artigo]
    ABSTRACT First and second order necessary optimality conditions of the Karush-Kuhn-Tucker type are established for continuous-time optimization problems with equality and inequality constraints. A full rank type regularity ...
  • A new approach to linear interval differential equations as a first step toward solving fuzzy differential

    da Costa, Tiago M.; Chalco-Cano, Yurilev; Lodwick, Weldon A.; Silva, Geraldo N. Autor UNESP (Fuzzy Sets and Systems, 2018) [Artigo]
    This study uses a concept of interval differentiability, which was recently introduced, to formulate interval initial value problems involving linear interval differential equations. Differently from the approaches that ...
  • Preface

    da Silva Neto, Antônio José; Santiago, Orestes Llanes; Silva, Geraldo Nunes Autor UNESP (Mathematical Modeling and Computational Intelligence in Engineering Applications, 2016) [Editorial]
  • Mathematical modeling and computational intelligence in engineering applications

    da Silva Neto, Antônio José; Santiago, Orestes Llanes; Silva, Geraldo Nunes Autor UNESP (Mathematical Modeling and Computational Intelligence in Engineering Applications, 2016) [Livro]
    This book brings together a rich selection of studies in mathematical modeling and computational intelligence, with application in several fields of engineering, like automation, biomedical, chemical, civil, electrical, ...
  • The integrated lot sizing and cutting stock problem with saw cycle constraints applied to furniture production

    Vanzela, Matheus Autor UNESP; Melega, Gislaine Mara Autor UNESP; Rangel, Socorro Autor UNESP; Araujo, Silvio Alexandre de Autor UNESP (Computers and Operations Research, 2017) [Artigo]
    The integrated lot sizing and cutting stock problem is studied in the context of furniture production. The goal is to capture the interdependencies between the determination of the lot size and of the cutting process in ...

View more