• Existing Structures Evaluation According to Previous and Present Building Codes 

      Pontón Álvarez, Wigberto (Polytechnic University of Puerto Rico, 2018)
      Over 95% of the structures in service in Puerto Rico were designed by derogated codes. All major hospitals, bridges, many schools and government structures were designed with the 1997 Puerto Rico Building Code and ...
    • The generalized cross-product of vectors 

      Deschapelles, Bernardo (Polytechnic University of Puerto Rico, 1993-12)
      The meaning of the scalar product of two vectors can be easily extended to a space of n dimensions. Similar generalization, related to the cross-product of vectors with more than three components, has not been formulated ...