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IIWAS
2004
13 years 9 months ago
An Efficient Group Signature Based on the Discrete Logarithm Problem
Group signature schemes permit a group member signing on messages anonymously and unlinkably on behalf of a group. The anonymity can be revoked when arguments occurred. This paper...
Fuw-Yi Yang, Jinn-ke Jan
DM
2010
82views more  DM 2010»
13 years 7 months ago
The complexity of the weight problem for permutation and matrix groups
Given a metric d on a permutation group G, the corresponding weight problem is to decide whether there exists an element G such that d(, e) = k, for some given value k. Here we ...
Peter J. Cameron, Taoyang Wu
JASIS
1998
80views more  JASIS 1998»
13 years 7 months ago
A Distributed Representation Approach to Group Problem Solving
This article develops a theoretical framework of distributed representations to explore the representational properties in group problem solving. The basic principle of distribute...
Jiajie Zhang
CORR
2002
Springer
115views Education» more  CORR 2002»
13 years 7 months ago
Average-case complexity and decision problems in group theory
Abstract. We investigate the average-case complexity of decision problems for finitely generated groups, in particular the word and membership problems. Using our recent results on...
Ilya Kapovich, Alexei G. Myasnikov, Paul Schupp, V...
IJNSEC
2008
132views more  IJNSEC 2008»
13 years 7 months ago
An Authenticated Key Agreement Protocol Using Conjugacy Problem in Braid Groups
In this paper we propose an authenticated key agreement, which works in a braid group. We prove that our protocol meet the security attributes under the assumption that the Conjug...
Atul Chaturvedi, Sunder Lal