Sciweavers

1257 search results - page 54 / 252
» A generalization of Euler's constant
Sort
View
FSTTCS
2006
Springer
14 years 15 days ago
Fast Exponential Algorithms for Maximum r-Regular Induced Subgraph Problems
Given a graph G=(V, E) on n vertices, the MAXIMUM r-REGULAR INDUCED SUBGRAPH (M-r-RIS) problems ask for a maximum sized subset of vertices R V such that the induced subgraph on R,...
Sushmita Gupta, Venkatesh Raman, Saket Saurabh
CCS
2008
ACM
13 years 11 months ago
Authenticated hash tables
Hash tables are fundamental data structures that optimally answer membership queries. Suppose a client stores n elements in a hash table that is outsourced at a remote server so t...
Charalampos Papamanthou, Roberto Tamassia, Nikos T...
STOC
2006
ACM
125views Algorithms» more  STOC 2006»
14 years 9 months ago
On earthmover distance, metric labeling, and 0-extension
We study the fundamental classification problems 0-Extension and Metric Labeling. A generalization of Multiway Cut, 0-Extension is closely related to partitioning problems in grap...
Howard J. Karloff, Subhash Khot, Aranyak Mehta, Yu...
AAIM
2006
Springer
110views Algorithms» more  AAIM 2006»
14 years 2 months ago
Non-metric Multicommodity and Multilevel Facility Location
Abstract. We give logarithmic approximation algorithms for the nonmetric uncapacitated multicommodity and multilevel facility location problems. The former algorithms are optimal u...
Rudolf Fleischer, Jian Li, Shijun Tian, Hong Zhu
ESA
1998
Springer
145views Algorithms» more  ESA 1998»
14 years 1 months ago
Moving-Target TSP and Related Problems
Previous literature on the Traveling Salesman Problem (TSP) assumed that the sites to be visited are stationary. Motivated by practical applications, we introduce a time-dependent ...
Christopher S. Helvig, Gabriel Robins, Alexander Z...