Denos C. Gazis
EJOR
The conditions for rotational invariance of a Born-von Karman lattice model are re-examined. It is found that the Born-Huang conditions for rotational invariance are necessary but not sufficient. Some additional conditions are obtained which, together with the Born-Huang conditions, constitute a set of necessary and sufficient conditions. © 1966 The American Physical Society.
Denos C. Gazis
EJOR
Denos C. Gazis, Richard F. Wallis
Surface Science
Denos C. Gazis, Richard F. Wallis
Surface Science
Chiu Liu, Robert Herman, et al.
Transportation Research Part A: Policy and Practice