151 search results - page 22 / 31 » Optimal (2, n) visual cryptographic schemes |
STACS
2005
Springer
14 years 26 days ago
2005
Springer
Abstract. We develop for set cover games several general cost-sharing methods that are approximately budget-balanced, core, and/or group-strategyproof. We first study the cost sha...
ICALP
1998
Springer
13 years 11 months ago
1998
Springer
We investigate the problem of finding two nonempty disjoint subsets of a set of n positive integers, with the objective that the sums of the numbers in the two subsets be as close ...
FSTTCS
2004
Springer
14 years 23 days ago
2004
Springer
Abstract Abstract. In this paper we improve the analysis of approximation algorithms based on semidefinite programming for the maximum graph partitioning problems MAX-k-CUT, MAX-k...
ASIACRYPT
2003
Springer
14 years 18 days ago
2003
Springer
This paper investigates some modular powering functions suitable for cryptography. It is well known that the Rabin encryption function is a 4-to-1 mapping and breaking its one-wayn...
SODA
2008
ACM
13 years 8 months ago
2008
ACM
The Traveling Salesman Problem (TSP) is a canonical NP-complete problem which is known to be MAXSNP hard even on Euclidean metrics (of high dimensions) [40]. In order to circumven...