Browsing by Author "f6f857f1-787f-4406-a381-7862566b2804"

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    • Using VAE for incomplete educational data 

      Escobar Montecino, Claudia Evelyn (Universidade Federal de São Carlos, UFSCar, Programa Interinstitucional de Pós-Graduação em Estatística - PIPGEs, Câmpus São Carlos, 13/03/0023)
      In Psychometrics, especially in educational assessments, incomplete databases are common. An individual may leave items unanswered in an assessment due to lack of time, forgetting the content involved, nervousness, or ...

    • Classificação das hipersuperfícies lorentzianas de R1n para Rn1+1 

      Escobar Montecino, Claudia Evelyn (Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Matemática - PPGM, Câmpus São Carlos, 16/12/2015)
      In this dissertation we present a result of classi cation of isometric hypersurfaces between Lorentz-Minkowski spaces due to L. K. Graves [5], which generalizes a classic theorem of Hartman and Nirenberg [7], where ...