• Nonreal eigenvalues for second order differential operators on networks with circuits 

      Lubary Martínez, José Antonio; Solà-Morales Rubió, Joan de (2001)
      Article
      Accés obert
    • On the time decay in phase-lag thermoelasticity with two temperatures 

      Magaña Nieto, Antonio; Miranville, Alain; Quintanilla de Latorre, Ramón (AMER INST MATHEMATICAL SCIENCES-AIMS, 2019-09-12)
      Article
      Accés obert
      The aim of this paper is to study the time decay of the solutions for two models of the one-dimensional phase-lag thermoelasticity with two temperatures. The first one is obtained when the heat flux vector and the inductive ...
    • Spectral analysis of Dirac operators on domains 

      Gallegos Saliner, Jose Maria (Universitat Politècnica de Catalunya, 2020-10)
      Projecte Final de Màster Oficial
      Accés obert
      Relativistic models in quantum mechanics have attracted a lot of attention in recent years, for instance, because of their applications to the study of graphene. In this work, we review the main tools to formulate confining ...
    • Spectral gap of generalized MIT bag models 

      Duran Lamiel, Joaquim (Universitat Politècnica de Catalunya, 2024-01-24)
      Projecte Final de Màster Oficial
      Accés obert
      Realitzat a/amb:   Centre de Recerca Matemàtica
      We study some spectral properties of generalized MIT bag models. These are a family of Dirac operators $\{H_\tau\}_{\tau \in \mathbb R\cup \{-\infty, +\infty\}}$ used in the field of relativistic quantum mechanics to model ...