522 search results - page 4 / 105 » Necessary but Not Sufficient |
ECIS
2000
13 years 9 months ago
2000
Online payments in business-to-consumer electronic commerce are mainly made with credit cards. Fraud and chargebacks are a significant issue for merchants and payment card brands, ...
CPC
2004
13 years 7 months ago
2004
Using representation theory, we obtain a necessary and sufficient condition for a discrete
JAT
2008
13 years 7 months ago
2008
We first present necessary and sufficient conditions for a linear, binary, uniform, and stationary sub
ITA
2008
13 years 7 months ago
2008
The necessary and sufficient conditions are extracted for periodicity of bi-ideals. By the way two proper subclasses of uniformly recurrent words are introduced.
MST
2008
13 years 7 months ago
2008
Abstract The transformation protocol can allow two players to share an unconditionally secure secret key using a random deal of cards. A sufficient condition on the number of cards...