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- New Sufficient Conditions to Ulam Stabilities for a Class of Higher Order Integro-Differential EquationsPublication . Simões, Alberto M.; Carapau, Fernando; Correia, PauloIn this work, we present suficient conditions in order to establish different types of Ulam stabilities for a class of higher order integro-differential equations. In particular, we consider a new kind of stability, the sigma-semi-Hyers-Ulam stability, which is in some sense between the Hyers-Ulam and the Hyers-Ulam-Rassias stabilities. These new suficient conditions result from the application of the Banach Fixed Point Theorem, and by applying a speci fic generalization of the Bielecki metric.
- VI Workshop on Computational Data Analysis and Numerical Methods: Book of AbstractsPublication . Simões, A. M.; Nunes, Célia; Inácio, Ilda; Grilo, Luis; Carapau, FernandoThis Workshop takes place at the University of Beira Interior, located in the beautiful city of Covilhã, Portugal. The host institution, as well as the Polytechnic Institute of Tomar and the University of Évora have committed themselves tothis challenge, hoping that the final result may exceed the expectations of the participants ,sponsors and organizers. [...]