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Conditional Renyi Entropies

Title
Conditional Renyi Entropies
Type
Article in International Scientific Journal
Year
2012
Authors
teixeira, a
(Author)
Other
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matos, a
(Author)
Other
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Journal
Vol. 58 No. 4
Pages: 4273-4277
ISSN: 0018-9448
Publisher: IEEE
Other information
Authenticus ID: P-002-8KE
Abstract (EN): There is no generally accepted definition of conditional Renyi entropy. The (unconditional) Renyi entropy depends on a parameter alpha, which for the case of min-entropy takes the value infinity. Even for this particular case, there are several proposals for the definition of conditional entropy. This paper describes three general definitions of conditional Renyi entropy that were found or suggested in the literature. Their properties are studied and their values, as a function of alpha, are compared. The particular case of min-entropy is widely used in cryptography as a security parameter; this case is studied in some detail.
Language: English
Type (Professor's evaluation): Scientific
Contact: andreiasofia@ncc.up.pt; acm@dcc.fc.up.pt; lfa@dcc.fc.up.pt
No. of pages: 5
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