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| Issue Date | Title | Author(s) | Type | Access Type |
| 2005 | Algebraic tools for the study of quaternionic behavioral systems | Pereira, Ricardo; Rocha, Paula; Vettori, Paolo | article |  |
| 2020 | A behavioral approach to estimation in nD systems | Pereira, Ricardo; Rocha, Paula | article | |
| Jun-2021 | A behavioral approach to estimation in the presence of disturbances | Pereira, Ricardo; Rocha, Paula; Ntogramatzidis, Lorenzo | article | |
| Jun-2004 | Bibo-stability of quaternionic systems | Pereira, Ricardo; Rocha, Paula; Vettori, Paolo | conferenceObject |  |
| Mar-2013 | Characterizations of global reachability of 2D structured systems | Pereira, Ricardo; Simões, Rita; Rocha, Paula | article | |
| 2017 | Conditioned invariance and detectability subspaces in the behavioral approach | Pereira, Ricardo; Rocha, Paula | conferenceObject | |
| Jul-2004 | Dynamical properties of quaternionic behavioral systems | Pereira, Ricardo; Vettori, Paolo | conferenceObject | |
| 2011 | Effects of binary mixtures on the life traits of Daphnia magna | Pavlaki, Maria D.; Pereira, Ricardo; Loureiro, Susana; Soares, Amadeu M. V. M. | article | |
| 2022 | Feasible initial conditions for 2D discrete state-space systems | Pereira, Ricardo; Rocha, Paula | article | |
| 2023 | Feasible-reachability of 1D and 2D state-space systems* | Pereira, Ricardo; Rocha, Paula | article | |
| Sep-2010 | Global reachability of 2D structured systems | Pereira, Ricardo; Rocha, Paula; Simões, Rita | conferenceObject | |
| 4-Sep-2016 | MDP periodically time-varying convolutional codes | Pereira, Ricardo; Malonek, Paula Rocha; Napp, Diego | bookPart | |
| Sep-2018 | Metals(loids) targeting fish eyes and brain in a contaminated estuary - uncovering neurosensory (un)susceptibility through bioaccumulation, antioxidant and morphometric profiles | Pereira, Ricardo; Leite, Eduarda; Raimundo, Joana; Guilherme, Sofia; Puga, Sónia; Pinto-Ribeiro, Filipa; Santos, Maria Ana; Canário, João; Almeida, Armando; Pacheco, Mário; Pereira, Patrícia | article | |
| Jul-2008 | Model reduction of linear dynamical systems with quaternionic symmetry | Pereira, Ricardo; Vettori, Paolo | conferenceObject | |
| 2022 | A new insight on state-trimness and minimal state-space realizations of input-output behaviors | Pereira, Ricardo; Rocha, Paula | bookPart | |
| 2020 | A note on controlled invariance for behavioral nD systems | Pereira, Ricardo; Rocha, Paula | bookPart | |
| 2008 | On the determinant of quaternionic polynomial matrices and its application to system stability | Pereira, Ricardo; Rocha, Paula | article | |
| 2011 | On the global reachability of structured 2D state space systems | Pereira, Ricardo; Rocha, Paula; Simões, Rita | bookPart | |
| Jul-2012 | On the stability of linear fractional difference systems | Vettori, Paolo; Pereira, Ricardo | conferenceObject | |
| Jul-2018 | On the state space realization of 2D (2,2)-periodic image behaviors | Aleixo, José Carlos; Napp, Diego; Pereira, Ricardo; Pinto, Raquel; Rocha, Paula | conferenceObject | |