2854 search results - page 220 / 571 » A Study of the Genus of a Group |
130
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IANDC
2007
15 years 6 months ago
2007
Visual cryptography schemes have been introduced in 1994 by Naor and Shamir. Their idea was to encode a secret image into n shadow images and to give exactly one such shadow image ...
142
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IJAC
2007
15 years 6 months ago
2007
In this paper we consider Property (FA) for lattices in SU(2, 1). First, we prove that SU(2, 1; O3) has Property (FA). We then prove that the arithmetic lattices in SU(2, 1) of se...
153
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CE
2005
15 years 6 months ago
2005
This study examined the influence of cognitive style, spatial orientation and computer expertise on hypertext navigation patterns and learning outcomes when participants interacte...
168
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JUCS
2007
15 years 6 months ago
2007
: For modeling real-life situations where not only the intensity of the relation existing between elements but also its polarity is important, we have proposed (see [Marcus and Tat...
182
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JUCS
2007
15 years 6 months ago
2007
: Collaborative learning environments require carefully crafted designs –both technical and social. This paper presents a model describing how to design socio-technical environme...