3333 search results - page 233 / 667 » New Invariants for Groups |
146
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AMC
2005
15 years 5 months ago
2005
Hwang and Chen recently proposed new multi-proxy multi-signature schemes that allow a group of authorized proxy signers to sign messages on behalf of a group of original signers. ...
110
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IJAC
2000
15 years 5 months ago
2000
We study the Dehn functions of amalgamations, introducing the notion of strongly undistorted subgroups. Using this, we give conditions under which taking an amalgamation does not i...
157
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ASIACRYPT
2010
Springer
15 years 4 months ago
2010
Springer
We construct non-interactive zero-knowledge arguments for circuit satisfiability with perfect completeness, perfect zero-knowledge and computational soundness. The non-interactive ...
170
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GROUP
2010
ACM
15 years 3 months ago
2010
ACM
We argue that the disruption associated with war can help develop a deeper theoretical and practical understanding of how Information and Communication Technologies (ICTs) enable ...
166
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COLING
2010
15 years 29 days ago
2010
We generalize the task of finding question paraphrases in a question repository to a novel formulation in which known questions are ranked based on their utility to a new, referen...