1559 search results - page 35 / 312 » Some Group Theory Problems |
106
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TCC
2004
Springer
15 years 4 months ago
2004
Springer
We consider the problem of threshold secret sharing in groups with hierarchical structure. In such settings, the secret is shared among a group of participants that is partitioned ...
107
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IJAC
2011
14 years 2 months ago
2011
We summarize the main known results involving subword reversing, a method of semigroup theory for constructing van Kampen diagrams by referring to a preferred direction. In good ca...
ICALT
2008
IEEE
15 years 5 months ago
2008
IEEE
Collaboration has long been considered an effective approach to learning. However, forming optimal groups can be a time consuming and complex task. Different approaches have been ...
IGPL
2008
14 years 10 months ago
2008
We propose here an extension of Rice's Theorem to first-order logic, proven by totally elementary means. If P is any property defined over the collection of all first-order t...
JSYML
2000
14 years 11 months ago
2000
The notion of a D-ring, generalizing that of a differential or a difference ring, is introduced. Quantifier elimination and a version of the AxKochen-Ershov principle is proven for...