Hopf Algebra of Building Sets. - Vladimir Grujic; Tanja Stojadinovic (Electron. J. Comb., 2012)

The e-positivity of some new classes of graphs. - Stefan Mitrovic; Tanja Stojadinovic (Discret. Math., 2025)

The Redei-Berge Hopf algebra of digraphs. - Vladimir Grujic; Tanja Stojadinovic (Period. Math. Hung., 2025)