| Issue Date | Title | Author(s) | Type | Access Type |
| 2015 | An optimal control approach to Herglotz variational problems | Santos, S. P. S.; Martins, N.; Torres, D. F. M. | bookPart |  |
| 2005 | Bandwidth boosting in transimpedance amplifiers for optical LANs, using delayed feedback | Martins, N.; Barbosa, L.; Alves, L. N.; Aguiar, R.L. | conferenceObject | |
| 2009 | Calculus of variations on time scales with nabla derivatives | Martins, N.; Torres, D.F.M. | article | |
| May-2012 | Ecotoxicological effects of ciprofloxacin on freshwater species: data integration and derivation of toxicity thresholds for risk assessment | Martins, N.; Pereira, R.; Abrantes, N.; Pereira, J.; Gonçalves, F.; Marques, C. R. | article | |
| 2011 | Generalizing the variational theory on time scales to include the delta indefinite integral | Martins, N.; Torres, D.F.M. | article | |
| 2013 | Hahn's symmetric quantum variational calculus | Brito da Cruz, A. M. C.; Martins, N.; Torres, D. F. M. | article |  |
| 2012 | Higher-order infinite horizon variational problems in discrete quantum calculus | Martins, N.; Torres, D. F. M. | article | |
| Dec-2014 | Higher-order variational problems of Herglotz type | Santos, S. P. S.; Martins, N.; Torres, D. F. M. | article | |
| 2012 | Necessary optimality conditions for higher-order infinite horizon variational problems on time scales | Martins, N.; Torres, D. F. M. | article | |
| 2018 | Noether currents for higher-order variational problems of Herglotz type with time delay | Santos, S. P. S.; Martins, N.; Torres, D. F. M. | article | |
| 2010 | Noether's symmetry theorem for nabla problems of the calculus of variations | Martins, N.; Torres, D.F.M. | article | |
| 2018 | Preface of Special Issue on Optimization and Differential Equations | Choquet, C.; Martins, N.; Sidi Ammi, M.R.; Tilioua, M.; Torres, D.F.M. | article | |
| 2013 | Symmetric differentiation on time scales | Brito da Cruz, A. M. C.; Martins, N.; Torres, D. F. M. | article | |
| 2013 | A symmetric nörlund sum with application to inequalities | Cruz, A. M. C. Brito da; Martins, N.; Torres, D. F. M. | conferenceObject | |
| 2013 | A symmetric quantum calculus | Cruz, A. M. C. B. da; Martins, N.; Torres, D. F. M. | conferenceObject | |
| 2015 | The diamond integral on time scales | Brito da Cruz, A. M. C.; Martins, N.; Torres, D. F. M. | article | |
| 2011 | The second Euler-Lagrange equation of variational calculus on time scales | Bartosiewicz, Z.; Martins, N.; Torres, D.F.M. | article | |
| 2011 | Transversality conditions for infinite horizon variational problems on time scales | Malinowska, A.B.; Martins, N.; Torres, D.F.M. | article | |
| Sep-2015 | Variational problems of Herglotz type with time delay: DuBois-Reymond condition and Noether's first theorem | Santos, S. P. S.; Martins, N.; Torres, D. F. M. | article | |
| 1-May-2022 | Virtual test bench for the design of control strategies for water heaters | Quintã, André F.; Oliveira, Jonathan D.; Ferreira, Jorge A. F.; Costa, Vítor A. F.; Martins, N. | article | |