Browsing by Author Martins, N.

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Showing results 1 to 19 of 19
Issue DateTitleAuthor(s)TypeAccess Type
2015An optimal control approach to Herglotz variational problemsSantos, S. P. S.; Martins, N.; Torres, D. F. M.bookPartrestrictedAccess
2005Bandwidth boosting in transimpedance amplifiers for optical LANs, using delayed feedbackMartins, N.; Barbosa, L.; Alves, L. N.; Aguiar, R.L.conferenceObjectrestrictedAccess
2009Calculus of variations on time scales with nabla derivativesMartins, N.; Torres, D.F.M.articlerestrictedAccess
May-2012Ecotoxicological effects of ciprofloxacin on freshwater species: data integration and derivation of toxicity thresholds for risk assessmentMartins, N.; Pereira, R.; Abrantes, N.; Pereira, J.; Gonçalves, F.; Marques, C. R.articlerestrictedAccess
2011Generalizing the variational theory on time scales to include the delta indefinite integralMartins, N.; Torres, D.F.M.articlerestrictedAccess
2013Hahn's symmetric quantum variational calculusBrito da Cruz, A. M. C.; Martins, N.; Torres, D. F. M.articleopenAccess
2012Higher-order infinite horizon variational problems in discrete quantum calculusMartins, N.; Torres, D. F. M.articlerestrictedAccess
Dec-2014Higher-order variational problems of Herglotz typeSantos, S. P. S.; Martins, N.; Torres, D. F. M.articleopenAccess
2012Necessary optimality conditions for higher-order infinite horizon variational problems on time scalesMartins, N.; Torres, D. F. M.articlerestrictedAccess
2018Noether currents for higher-order variational problems of Herglotz type with time delaySantos, S. P. S.; Martins, N.; Torres, D. F. M.articlerestrictedAccess
2010Noether's symmetry theorem for nabla problems of the calculus of variationsMartins, N.; Torres, D.F.M.articlerestrictedAccess
2018Preface of Special Issue on Optimization and Differential EquationsChoquet, C.; Martins, N.; Sidi Ammi, M.R.; Tilioua, M.; Torres, D.F.M.articleopenAccess
2013Symmetric differentiation on time scalesBrito da Cruz, A. M. C.; Martins, N.; Torres, D. F. M.articlerestrictedAccess
2013A symmetric nörlund sum with application to inequalitiesCruz, A. M. C. Brito da; Martins, N.; Torres, D. F. M.conferenceObjectrestrictedAccess
2013A symmetric quantum calculusCruz, A. M. C. B. da; Martins, N.; Torres, D. F. M.conferenceObjectrestrictedAccess
2015The diamond integral on time scalesBrito da Cruz, A. M. C.; Martins, N.; Torres, D. F. M.articlerestrictedAccess
2011The second Euler-Lagrange equation of variational calculus on time scalesBartosiewicz, Z.; Martins, N.; Torres, D.F.M.articlerestrictedAccess
2011Transversality conditions for infinite horizon variational problems on time scalesMalinowska, A.B.; Martins, N.; Torres, D.F.M.articlerestrictedAccess
Sep-2015Variational problems of Herglotz type with time delay: DuBois-Reymond condition and Noether's first theoremSantos, S. P. S.; Martins, N.; Torres, D. F. M.articlerestrictedAccess