publicações selecionadas artigo de revista A recursive construction of the regular exceptional graphs with least eigenvalue –2. Portugaliae Mathematica. 2014 artigo de conferência In search of a poset structure to the regular exceptional graphs 2013 The construction of the poset of regular execeptional graphs using equitable partitions 2013 The poset structure of the regular exceptional graphs 2013 documento The poset structure of the regular exceptional graphs. 2013