• São Paulo curricular mathematics material: Using option by teachers of a São Paulo municipality 

  Morelatti, Maria Raquel Miotto ; Ortega, Eliane Maria Vani ; Teixeira, Leny Rodrigues Martins ; Fürkotter, Monica; Fujita, Oscar Massaru ; Carvalho, Luiz Fernando ; Batista, Alex Ribeiro (Educacao and Realidade, 2019) [Artigo]

  This paper analyzes the material concerning the Mathematics Curriculum of the State of Sao Paulo, in force since 2008, and the perceptions of teachers regarding its use. It is a qualitative, analytical-descriptive research, ...

• FEMa: a finite element machine for fast learning 

  Pereira, Danilo R.; Piteri, Marco Antonio ; Souza, André N. ; Papa, João Paulo ; Adeli, Hojjat (Neural Computing and Applications, 2019) [Artigo]

  Machine learning has played an essential role in the past decades and has been in lockstep with the main advances in computer technology. Given the massive amount of data generated daily, there is a need for even faster ...

• Blank spots identification on plantations 

  Crulhas, Joao Pedro Rubira ; Artero, Almir Oliveira ; Piteri, Marco Antonio ; Silva, Francisco Assis Da; Pereira, Danillo Roberto; Eler, Danilo Medeiros ; Papa, João Paulo ; De Albuquerque, Victor Hugo C. (IEEE Latin America Transactions, 2018) [Artigo]

  This paper presents a proposal to make the identification of failures in plantations performing an automatic analysis of images collected by the UAVs. What is sought is to identify and measure the areas where the process ...

• Some existence results for variational inequalities with nonlocal fractional operators 

  Pimenta, Marcos Tadeu Oliveira ; Servadei, Raffaella (Nonlinear Analysis, Theory, Methods and Applications, 2019) [Artigo]

  In this paper we consider the following nonlocal fractional variational inequality u∈X0 s(Ω),u⩽ψa.e. in Ω,〈u,v−u〉X0 s(Ω)−λ〈u,v−u〉2⩾∫Ωfx,u(x),(−Δ)βu(x)(v(x)−u(x))dxaaaaaaaaaaaaaaaaaaaaaaaaaaaaafor anyv∈X0 s(Ω),v⩽ψa.e. in ...

• Ontologies to coordinate multiple views: Exploring document collections 

  Prates, Jorge Marques ; Garcia, Rogério Eduardo ; Eler, Danilo Medeiros (Proceedings of the 2014 International Conference on Artificial Intelligence, ICAI 2014 - WORLDCOMP 2014, 2014) [Trabalho apresentado em evento]

  Multiple views of data sets can provide assistance on discovering unforeseen associations among elements contained on these sets. Thus, users are able to explore data in distinct perspectives. Ontologies are formal ...

• Non-local Diffusion Equations Involving the Fractional p(·) -Laplacian 

  Hurtado, Elard J. (Journal of Dynamics and Differential Equations, 2019) [Artigo]

  In this paper we study a class of nonlinear quasi-linear diffusion equations involving the fractional p(·) -Laplacian with variable exponents, which is a fractional version of the nonhomogeneous p(·) -Laplace operator. The ...

• Existence of solution for a class of quasilinear elliptic problem without 2 -condition 

  Alves, Claudianor O.; Silva, Edcarlos D.; Pimenta, Marcos T. O. (Analysis and Applications, 2019) [Artigo]

  The existence and multiplicity of solutions for a class of quasilinear elliptic problems are established for the type - φu = f(u)in ω,u = 0 on ω, where ω N, N ≥ 2, is a smooth bounded domain. The nonlinear term f: → is a ...

• On the behavior of roots of trinomial equations 

  Botta, V. ; da Silva, J. V. (Acta Mathematica Hungarica, 2019) [Artigo]

  The main purpose of this paper is to investigate the distribution, simplicity and monotonicity of the roots of a class of trinomial equations that appears in certain financial mathematics problems. Furthermore, we show ...

• Quadratic three-dimensional differential systems having invariant planes with total multiplicity nine 

  Llibre, Jaume; Messias, Marcelo ; Reinol, Alisson C. (Rendiconti del Circolo Matematico di Palermo, 2018) [Artigo]

  In this paper we consider all the quadratic polynomial differential systems in R3 having exactly nine invariant planes taking into account their multiplicities. This is the maximum number of invariant planes that these ...

• Solving and classifying the solutions of the Yang-Baxter equation through a differential approach. Two-state systems 

  Vieira, R. S. (Journal of High Energy Physics, 2018) [Artigo]

  The formal derivatives of the Yang-Baxter equation with respect to its spectral parameters, evaluated at some fixed point of these parameters, provide us with two systems of differential equations. The derivatives of the ...

• MySQLite Sync: Middleware for stored data synchronization in mobile devices and DBMSs 

  Zaia, Guilherme Palmeira ; Messias Correia, Ronaldo Celso ; Garcia, Rogerio Eduardo ; Olivete Junior, Celso ; Ezzatti, P.; Delgado, A. (Proceedings Of The 2014 Xl Latin American Computing Conference (clei), 2014) [Trabalho apresentado em evento]

  Data synchronization is a process of establishing equivalence among two data collections. It is essential to distribute databases and several techniques have been implemented in Database Management Systems (DBMS), but it ...

• Normal and oblique drop impact of yield stress fluids with thixotropic effects 

  Oishi, Cassio M. ; Thompson, Roney L.; Martins, Fernando P. (Journal Of Fluid Mechanics, 2019) [Artigo]

  Normal and oblique drop impact on a solid surface is numerically analysed for yield stress fluids. A rich diversity of results are generated as a consequence of the exploration of the inertial, elastic, plastic and thixotropic ...

• DNS and LST stability analysis of Oldroyd-B fluid in a flow between two parallel plates 

  Brandi, A. C. ; Mendonca, M. T.; Souza, L. F. (Journal Of Non-newtonian Fluid Mechanics, 2019) [Artigo]

  Several flows of practical interest are of viscoelastic fluids and it is desirable to know if these flows are in a laminar or turbulent state. In this paper, the laminar-turbulent transition is studied in which the convection ...

• Application of the natural stress formulation for solving unsteady viscoelastic contraction flows 

  Evans, Jonathan D.; Franca, Hugo L. ; Oishi, Cassio M. (Journal Of Computational Physics, 2019) [Artigo]

  We present a numerical scheme for a previously unexploited formulation of the equations for unsteady viscoelastic flow. The formulation aligns the polymer stress along particle paths/streamlines, utilising the characteristic ...

• INVARIANTS OF THE TRACE MAP AND UNIFORM SPECTRAL PROPERTIES FOR DISCRETE STURMIAN DIRAC OPERATORS 

  Prado, Roberto A. ; Charao, Ruy C. (Osaka Journal Of Mathematics, 2019) [Artigo]

  We establish invariants for the trace map associated to a family of 1D discrete Dirac operators with Sturmian potentials. Using these invariants we prove that the operators have purely singular continuous spectrum of zero ...

• EXISTENCE AND MULTIPLICITY OF SOLUTIONS FOR NON-DEGENERATE KIRCHHOFF TYPE PROBLEM WITH NONLINEAR BOUNDARY CONDITION 

  Guimaraes, Mateus Balbino; Hurtado, Elard Juarez ; Rodrigues, Rodrigo Da Silva (Electronic Journal Of Differential Equations, 2019) [Artigo]

  We show the existence of solutions for nonlinear elliptic partial differential equations with Steklov nonlinear boundary conditions involving a Kirchhoff type operator. By using variational and topological methods, we prove ...

• Detecting multi-scale distance-based inconsistencies in cities through complex-networks 

  Spadon, Gabriel; Brandoli, Bruno; Eler, Danilo M. ; Rodrigues-, Jose F. (Journal Of Computational Science, 2019) [Artigo]

  We propose an algebraic tool-set and related algorithms to track access problems not obviously observed in urban environments represented as street mashes. Our tool-set assumes that points of interest must be promptly ...

• SIMULATORS OF GEOLOGICAL AND GEOMORPHOLOGICAL PROCESSES: CONTRIBUTIONS TO EDUCATION AND TRAINING IN GEOSCIENCES AND EARTH SCIENCES 

  Oliveira Pimenta, Joao Paulo de ; Moroz Caccia Gouveia, Isabel Cristina ; Messias Correia, Ronaldo Celso (Geosaberes, 2019) [Artigo]

  The teaching of Geography, especially in the area of Geomorphology, presupposes a capacity, on the part of the teacher, to make understandable several phenomena and processes that, often, are beyond the empirical knowledge ...

• Long-term Satellite Image Time Series for the Assessment of Land Use/Cover Change in the Brazilian Amazon Rainforest 

  Christovam, Luiz E. ; Galo, Maria L. B. T. ; Shimabukuro, Milton H. ; Tolentino, Franciele M. ; Coladello, Leandro F. ; Michel, U.; Schulz, K. (Earth Resources And Environmental Remote Sensing/gis Applications Ix, 2018) [Trabalho apresentado em evento]

  The regular acquisition of Earth Observations by remote sensing satellites provides long-term Satellite Image Time Series (SITS). Land surface spectral variability provides the capacity for the assessment of Land Use/Cover ...

• A Methodological Approach to Use Technological Support on Teaching and Learning Data Structures 

  Messias Correia, Ronaldo Celso ; Garcia, Rogerio Eduardo ; Olivete Junior, Celso ; Brandi, Analice Costacurta ; Cardim, Guilherme P. ; IEEE (2014 Ieee Frontiers In Education Conference (fie), 2014) [Trabalho apresentado em evento]

  The Data Structure discipline consists on studying data organization in computer memory, primary and secondary ones. Data structures are organized using conceptual and behavioral issues that require high degree of abstract ...

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