3333 search results - page 113 / 667 » New Invariants for Groups |
JMLR
2010
13 years 4 months ago
2010
We introduce a new method -- the group Dantzig selector -- for high dimensional sparse regression with group structure, which has a convincing theory about why utilizing the group...
CRYPTO
2004
Springer
14 years 3 months ago
2004
Springer
ded abstract of this paper is to appear in Advances in Cryptology—CRYPTO 2004, Springer-Verlag. We construct a short group signature scheme. Signatures in our scheme are approxi...
ICIAR
2004
Springer
14 years 3 months ago
2004
Springer
This paper presents a novel computational visual grouping method, termed pulling, pushing and grouping, or PPG for short. Visual grouping is formulated as a functional optimisation...
CRYPTO
2001
Springer
14 years 2 months ago
2001
Springer
Recently the braid groups were introduced as a new source for cryptography. The group operations are performed efficiently and the features are quite different from those of other...
CCS
1998
ACM
14 years 2 months ago
1998
ACM
Many modern computing environments involve dynamic peer groups. Distributed simulation, multi-user games, conferencing and replicated servers are just a few examples. Given the op...