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Further work on the dimensions of coiling type polymer molecules has been carried out with an electronic digital computer using nonintersecting random walks as molecular models. A modified method has been devised which significantly reduces the serious attrition of samples. The procedure, applied to walks in the two-choice square lattice, consists of adding strides of four steps instead of adding single steps one by one. The strides are so chosen that a valid statistical sample can be attained while eliminating most of the attrition attributable to closures of four-membered rings. The method shows promise of being applicable to problems of a more general nature.
Wall et al. (Mon,) studied this question.