Facets, weak facets, and extreme functions of the Gomory–Johnson infinite group problem
Facets, weak facets, and extreme functions of the Gomory–Johnson infinite group problem
复制标题
Gomory-Johnson 无限群问题的面、弱面和极限函数
DOI:
10.1007/s10107-020-01477-2
复制
发表时间:
2021
影响因子:
2.7
通讯作者:
Zhou, Yuan
中科院分区:
文献类型:
--
作者:
Köppe, Matthias;Zhou, Yuan
We investigate three competing notions that generalize the notion of a facet of finite-dimensional polyhedra to the infinite-dimensional Gomory–Johnson model. These notions were known to coincide for continuous piecewise linear functions with rational breakpoints. We show that two of the notions, extreme functions and facets, coincide for the case of continuous piecewise linear functions, removing the hypothesis regarding rational breakpoints. We prove an if-and-only-if version of the Gomory–Johnson Facet Theorem. Finally, we separate the three notions using discontinuous examples.
登录
查看更多内容
影响因子:
1.7
作者:
Santanu S. Dey;Jean
通讯作者:
Jean
DOI:
--
发表时间:
2016
期刊:
Conference on Integer Programming and Combinatorial Optimization
影响因子:
--
作者:
A. Basu;M. Conforti;M. D. Summa;Joseph Paat
通讯作者:
Joseph Paat
DOI:
--
发表时间:
2015
期刊:
4OR
影响因子:
--
作者:
A. Basu;R. Hildebrand;M. Köppe
通讯作者:
M. Köppe
DOI:
--
发表时间:
2010
期刊:
50 Years of Integer Programming
影响因子:
--
作者:
Jean;Santanu S. Dey
通讯作者:
Santanu S. Dey
DOI:
--
发表时间:
2007
期刊:
影响因子:
--
作者:
Santanu S. Dey
通讯作者:
Santanu S. Dey