Photo of Manuel D. Ortigueira
  • Portugal

Accepting PhD Students

  • 2104 Citations
  • 23 h-Index
1984 …2019

Research output per year

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Research Output at NOVA

2018

Novel polarization index evaluation formula and fractional-order dynamics in electric motor insulation resistance

Gonzalez, E. A., Petráš, I. & Ortigueira, M. D., 26 Jun 2018, In : Fractional Calculus and Applied Analysis. 21, 3, p. 613-627 15 p.

Research output: Contribution to journalArticle

Open Access
1 Citation (Scopus)

On fractional vectorial calculus

Ortigueira, M. D. & Machado, J. T., 1 Aug 2018, In : Bulletin of the Polish Academy of Sciences: Technical Sciences. 66, 4, p. 389-402 14 p.

Research output: Contribution to journalArticle

Open Access
6 Citations (Scopus)

Operational method for the solution of ordinary differential equations using Hermite series

Bengochea, G., Verde–star, L. & Ortigueira, M., 1 Jan 2018, In : Mathematical Communications. 23, 2, p. 279-293 15 p.

Research output: Contribution to journalArticle

Open Access
File
1 Citation (Scopus)
2 Downloads (Pure)

Operational Solution to the Nonlinear Klein-Gordon Equation

Bengochea, G., Verde-Star, L. & Ortigueira, M., 1 Jan 2018, In : Communications in Theoretical Physics. 69, 5, p. 506-512 7 p.

Research output: Contribution to journalArticle

Open Access
File
2 Downloads (Pure)

Reducing bias in fractional order impedance estimation for lung function evaluation

Copot, D., De Keyser, R., Derom, E., Ortigueira, M. & Ionescu, C. M., 1 Jan 2018, In : Biomedical Signal Processing and Control. 39, p. 74-80 7 p.

Research output: Contribution to journalArticle

14 Citations (Scopus)
2019

Fractional derivatives: The perspective of system theory

Ortigueira, M. D. & Machado, J. T., 5 Feb 2019, In : Mathematics. 7, 2, 150.

Research output: Contribution to journalArticle

Open Access
File
13 Citations (Scopus)

On the Numerical Computation of the Mittag-Leffler Function

Ortigueira, M. D., Lopes, A. M. & Tenreiro Machado, J., Oct 2019, In : International Journal of Nonlinear Sciences and Numerical Simulation. 20, 6, p. 725-736

Research output: Contribution to journalArticle

1 Citation (Scopus)

The failure of certain fractional calculus operators in two physical models

Ortigueira, M. D., Martynyuk, V., Fedula, M. & Machado, J. T., 24 Apr 2019, In : Fractional Calculus and Applied Analysis. 22, 2, p. 255-270 16 p.

Research output: Contribution to journalReview article

11 Citations (Scopus)
4 Citations (Scopus)

Variable order fractional systems

Ortigueira, M. D., Valério, D. & Machado, J. T., 15 Jun 2019, In : Communications In Nonlinear Science And Numerical Simulation. 71, p. 231-243 13 p.

Research output: Contribution to journalArticle

20 Citations (Scopus)