Azimuthal anchoring of nematic on undulated substrate: Elasticity versus memory R. Barberi, I. Dozov, M. Giocondo, M. Iovane, Ph. Martinot-Lagarde, D. Stoenescu, S. Tonchev and L. V. Tsonev Eur. Phys. J. B, 6 1 (1998) 83-91 Published online: 15 November 1998 DOI: 10.1007/s100510050529