selected publications chapter A project of speech input and output in an e-commerce application 2002 conference paper Modelling academic dropout in computer engineering using arti cial neural networks. 141-150. 2021 Computing ODE symmetries from a variational point of view. 152-154. 2008 Uma forma bidimensional que maximiza a resistência aerodinâmica newtoniana. 153-157. 2008 A Maple interface for computing variational symmetries in optimal control. 153. 2006 Computation of conservation laws in optimal control. 389-394. 2005 Divisão silábica automática do texto escrito e falado 2000 Multivox: conversor texto fala para português. 88-98. 1998 document A double parabola with retroreflection properties 2009 Reflection of parallel rays by a two-dimensional body of nearly maximal resistance 2009 Computing ODE symmetries as abnormal variational symmetries 2008 Automatic computation of conservation laws in the calculus of variations and optimal control 2006 journal article Prediction of academic dropout in a higher education institution using data mining. Procedia Computer Science. 2020 Spinning rough disc moving in a rarefied medium. Proceedings of the Royal SocIETy A: Mathematical, Physical and Engineering Sciences. 2033-2055. 2010 Computing ODE symmetries as abnormal variational symmetries. e138-e146. 2009 On the two-dimensional rotational body of maximal Newtonian resistance. Journal of Mathematical Sciences. 811-819. 2009 Two-dimensional body of maximum mean resistance. 37-52. 2009 Problems of maximal mean resistance on the plane. Nonlinearity. 2271-2287. 2007 Symbolic computation of variational symmetries in optimal control. Control and Cybernetics. 831-849. 2006 Automatic computation of conservation laws in the calculus of variations and optimal control. Computational Methods in Applied Mathematics. 387-409. 2005 Computação algébrica no cálculo das variações: determinação de simetrias e leis de conservação. Tendências em Matemática Aplicada e Computacional TEMA (São Carlos). 81-90. 2005 Smarandache sequences: explorations and discoveries with a computer algebra system. 5-22. 2004 A project of speech input and output in an e-commerce application. 415-425. 2002 Divisão silábica automática do texto escrito e falado. 65-74. 2000 report Bodies of maximal aerodynamic resistance on the plane 2007 Uma forma bidimensional que maximiza a resistência aerodinâmica newtoniana 2007 Scientific computation of conservation laws in the calculus of variations and optimal control 2005 Computação algébrica no cálculo das variações: determinação de simetrias e leis de conservação 2004 Smarandache sequences: explorations and discoveries with a computer algebra system 2003 thesis Computação de simetrias variacionais e optimização da resistência aerodinâmica newtoniana 2008 Codificação de fala por modelos variáveis no tempo 1996
co-principal investigator on Scattering of billiards and applications to aerodynamics of rarefied media awarded by Fundação para a Ciência e Tecnologia 2011 - 2013
