Spectra of general hypergraphs
  Here, we show a method to reconstruct connectivity hypermatrices of a general hypergraph (without any self loop or multiple edge) using tensor. We also study the different spectral properties of these hypermatrices and find that these properties are similar for graphs and uniform hypergraphs. The representation of a connectivity hypermatrix that is proposed here can be very useful for the further development in spectral hypergraph theory. 
Anirban Banerjee, Arnab Char and Bibhash Mondal
math.SP math.CO math.NA