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Issue DateTitleAuthor(s)TypeAccess Type
15-May-2009Resorting to non euclidean plane geometries to develop deductive reasoning an onto-semiotic approachNeto, Teresa; Breda, Ana; Costa, Nilza; D. Godino, JuanconferenceObjectopenAccess
Oct-2007Quaternionic symmetry of linear dynamical systemsPereira, Ricardo; Vettori, PaoloconferenceObjectrestrictedAccess
Jul-2008Model reduction of linear dynamical systems with quaternionic symmetryPereira, Ricardo; Vettori, PaoloconferenceObjectrestrictedAccess
15-Nov-2009Four solutions of an inhomogeneous elliptic equation with critical exponent and singular termChen, Jianqing; Rocha, Eugénio M.articleopenAccess
2006Solving mathematical programs with complementarity constraints with nonlinear solversRodrigues, Helena Sofia; Monteiro, M. Teresa T.bookPartrestrictedAccess
Jul-2004Dynamical properties of quaternionic behavioral systemsPereira, Ricardo; Vettori, PaoloconferenceObjectopenAccess
Jun-2004Bibo-stability of quaternionic systemsPereira, Ricardo; Rocha, Paula; Vettori, PaoloconferenceObjectrestrictedAccess
Jul-2006Stability of quaternionic systems: a determinantal approachPereira, Ricardo; Rocha, PaulaconferenceObjectopenAccess
2004A stochastic approximation algorithm with step-size adaptationCruz, João Pedro Antunes Ferreira da; PlakhovarticlerestrictedAccess
2007Sign changes of error terms related to arithmetical functionsAlmeida, Paulo J.articleopenAccess
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