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ISAAC
2009
Springer
93views Algorithms» more  ISAAC 2009»
16 years 15 days ago
Computing Multidimensional Persistence
Abstract. The theory of multidimensional persistence captures the topology of a multifiltration – a multiparameter family of increasing spaces. Multifiltrations arise naturally...
Gunnar Carlsson, Gurjeet Singh, Afra Zomorodian
ICALP
1999
Springer
15 years 10 months ago
Average-Case Complexity of Shellsort
We demonstrate an ⍀( pn1ϩ1/p) lower bound on the average-case running time (uniform distribution) of p-pass Shellsort. This is the first nontrivial general lower bound for avera...
Tao Jiang, Ming Li, Paul M. B. Vitányi
JDA
2008
88views more  JDA 2008»
15 years 6 months ago
Combinatorial 5/6-approximation of Max Cut in graphs of maximum degree 3
The best approximation algorithm for Max Cut in graphs of maximum degree 3 uses semidefinite programming, has approximation ratio 0.9326, and its running time is (n3.5 log n) ; bu...
Cristina Bazgan, Zsolt Tuza
IJCAI
1993
15 years 7 months ago
A Tractable Class of Abduction Problems
literal: Let p be a proposition. Then p and -p are literals. clause: A clause is a disjunction of literals. Horn Clause: A Horn Clause is a clause in which there is at most one po...
Kave Eshghi
197
Voted
TSMC
2008
125views more  TSMC 2008»
15 years 5 months ago
A Satisficing Approach to Aircraft Conflict Resolution
Future generations of air traffic management systems may give appropriately equipped aircraft the freedom to change flight paths in real time. This would require a conflict avoidan...
James K. Archibald, Jared C. Hill, N. A. Jepsen, W...