Observations on the Complexity of Generating Quasi-Gray Codes
Observations on the Complexity of Generating Quasi-Gray Codes
复制标题
对生成准格雷码复杂性的观察
DOI:
10.1137/0207012
复制
发表时间:
1978
期刊:
影响因子:
--
通讯作者:
M. Fredman
中科院分区:
文献类型:
--
作者:
M. Fredman
The purpose of this paper is to develop a decision tree-like model for defining and measuring the on-line complexity of algorithms for generating combinatorial objects. For the purpose of illustration, we consider the problem of generating Gray codes and simple generalizations of Gray codes. We include some results pertaining to the generation of certain special codes and, in addition, we present a trade-off theorem. Our model is information theoretical and we emphasize two aspects of complexity; the amount of information that must be gathered and the amount of data structure update required to generate the successor to a given codeword.