A deterministic strongly polynomial algorithm for matrix scaling and approximate permanents

被引:76
|
作者
Linial, N [1 ]
Samorodnitsky, A
Wigderson, A
机构
[1] Hebrew Univ Jerusalem, Sch Engn & Comp Sci, IL-91904 Jerusalem, Israel
[2] Inst Adv Study, Sch Math, Princeton, NJ 08540 USA
[3] Inst Adv Study, Sch Math, Princeton, NJ 08540 USA
关键词
D O I
10.1007/s004930070007
中图分类号
O1 [数学];
学科分类号
0701 ; 070101 ;
摘要
We present a deterministic strongly polynomial algorithm that computes the permanent of a, nonnegative nxn matrix to within a multiplicative factor of e(n). To this end we develop the first strongly polynomial-time algorithm for matrix scaling - an important nonlinear optimization problem with many applications. Our work suggests a simple new (slow) polynomial time decision algorithm for bipartite perfect matching, conceptually different from classical approaches.
引用
收藏
页码:545 / 568
页数:24
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