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AMC
2005
14 years 9 months ago
2005
A multisignature scheme for specified group of verifiers needs a group of signers' cooperation to sign a message to a specified group of verifiers that must cooperate to check...
JSC
2007
14 years 9 months ago
2007
Geometric constructions applied to a rational action of an algebraic group lead to a new algorithm for computing rational invariants. A finite generating set of invariants appear...
PKC
2012
Springer
12 years 12 months ago
2012
Springer
We identify a potential weakness in the standard security model for dynamic group signatures which appears to have been overlooked previously. More specifically, we highlight tha...
APAL
2006
14 years 9 months ago
2006
We consider the possible cardinalities of the following three cardinal invariants which are related to the permutation group on the set of natural numbers: ag := the least cardina...
INTERACT
2003
14 years 11 months ago
2003
: The British HCI Group (BHCIG) is the UK national organisation for all those working in the field of human-computer interaction. It encourages active membership and devolved decis...