Title
On the Bisection Width and Expansion of Butterfly Networks
Abstract
This paper proves tight bounds on the bisection width and expansion of butterfly networks with and without wraparound. Previously it was known that the bisection width of an n-input butterfly with wraparound is n. We show that without wraparound, the bisection width is 2(驴2 - 1)n + o(n)驴 .82n. This result is surprising because it contradicts the prior "folklore" belief that the bisection width is n in both cases. We also show that for every set A of k nodes in a butterfly with wraparound there are at least (4 + o(1))k/log k edges from A to A, provided that k = o(n).
Year
DOI
Venue
1998
10.1007/s00224-001-1026-2
Theory of Computing Systems
Keywords
DocType
Volume
Output Node,Output Port,Input Port,Input Node,Total Unit
Conference
34
Issue
ISSN
ISBN
6
1433-0490
0-8186-8404-6
Citations 
PageRank 
References 
9
0.61
17
Authors
5
Name
Order
Citations
PageRank
Claudson F. Bornstein111010.93
Ami Litman224049.78
Bruce M. Maggs33592368.31
Ramesh K. Sitaraman41928141.68
Tal Yatzkar590.61