The collapsibility of hexagon 2-complexes with the 12-property. Lazăr, Ioana-Claudia — 2011 Analele Ştiinţifice ale Universităţii “Ovidius" Constanţa. Seria: Matematică
Cubical 2-complexes with the 8-property admit a strongly convex metric. Andrica, Dorin; Lazar, Ioana-Claudia — 2010 Acta Universitatis Apulensis. Mathematics - Informatics
Hexagonal 2-complexes have a strongly convex metric. Andrica, Dorin; Lazăr, Ioana-Claudia — 2011 Analele Ştiinţifice ale Universităţii “Ovidius" Constanţa. Seria: Matematică