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New bounds on the average information rate of secret-sharing schemes for graph-based weighted threshold access structures

✍ Scribed by Lu, Hui-Chuan; Fu, Hung-Lin


Book ID
120168508
Publisher
Elsevier Science
Year
2013
Tongue
English
Weight
1007 KB
Volume
240
Category
Article
ISSN
0020-0255

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Lower bounds on the information rate of
✍ Carles PadrΓ³; GermΓ‘n SΓ‘ez πŸ“‚ Article πŸ“… 2002 πŸ› Elsevier Science 🌐 English βš– 81 KB

We present some new lower bounds on the optimal information rate and on the optimal average information rate of secret sharing schemes with homogeneous access structure. These bounds are found by using some covering constructions and a new parameter, the k-degree of a participant, that is introduced