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ACS
2010
13 years 7 months ago
TTF Triples in Functor Categories
We characterize the hereditary torsion pairs of finite type in the functor category of a ring R associated to tilting torsion pairs in the category of R-modules. Moreover, we deter...
Lidia Angeleri Hügel, Silvana Bazzoni
LATINCRYPT
2010
13 years 6 months ago
Fixed Argument Pairings
A common scenario in many pairing-based cryptographic protocols is that one argument in the pairing is fixed as a long term secret key or a constant parameter in the system. In th...
Craig Costello, Douglas Stebila
IJNSEC
2010
91views more  IJNSEC 2010»
13 years 2 months ago
An Improvement on a Three-party Password-based Key Exchange Protocol Using Weil Pairing
The three-party password-based key exchange protocols using Weil pairing proposed by Wen is vulnerable to impersonation attack. By introducing hard artificial intelligence problem...
Yong Zeng, Jianfeng Ma, Sang-Jae Moon
ENTCS
2007
91views more  ENTCS 2007»
13 years 7 months ago
A Cappable Almost Everywhere Dominating Computably Enumerable Degree
We show that there exists an almost everywhere (a.e.) dominating computably enumerable (c.e.) degree which is half of a minimal pair.
George Barmpalias, Antonio Montalbán
ADCM
2010
95views more  ADCM 2010»
13 years 7 months ago
Pairs of oblique duals in spaces of periodic functions
Abstract. We construct non-tight frames in finite-dimensional spaces consisting of periodic functions. In order for these frames to be useful in practice one needs to calculate a d...
Ole Christensen, Say Song Goh