• NONLINEAR FILTERS TO RECONSTRUCT ELECTROCARDIOGRAM SIGNALS 

      Infante, Saba; Sánchez, Luis; Cedeño, Fernando (2014-07-01)
      ECG signals have been used in cardiac pathology to detect disease heart. The main objective of this paper is to propose signal filtering techniques to reduce noise, extract information, to reconstruct the states and ...
    • SUPERIOR ORDER G -STRUCTURES 

      Rosales Ortega, José (2014-07-01)
      In this article we study the basic facts about superior order G-structures, then we show that the set of infinitesimally automorphisms of a geometric G-structure is a closed Lie group.