JournalsjncgVol. 2, No. 1Volume 2, No. 1 (2008) Journal of Noncommutative Geometrypp. 1–51<var/>N</var>-homogeneous superalgebrasPhùng Hô HaiBenoît KriegkMartin Lorenzpp. 53–123Spectral action on noncommutative torusDriss EssouabriBruno IochumCyril LevyAndrzej Sitarzpp. 125–139Hopf algebra of non-commutative field theoryAdrian TanasăFabien Vignes-Tourneret