QUAESTIONES MATHEMATICAE, cilt.33, sa.4, ss.457-476, 2010 (SCI-Expanded)
In this paper the author lays the foundation for a theory of quasi-di-uniformities on textures, giving descriptions in terms of direlations, dual dicovers and quasi-pseudo dimetrics. The category of quasi-di-uniformities and uniformly bicontinuous difunctions is also introduced.