330 search results - page 10 / 66 » On the Notion of Pseudo-Free Groups |
IJAC
2000
14 years 9 months ago
2000
We study the Dehn functions of amalgamations, introducing the notion of strongly undistorted subgroups. Using this, we give conditions under which taking an amalgamation does not i...
JSC
2010
14 years 4 months ago
2010
For a field k with an automorphism and a derivation , we introduce the notion of liouvillian solutions of linear difference-differential systems {(Y ) = AY, (Y ) = BY } over k an...
ICALP
2005
Springer
15 years 3 months ago
2005
Springer
We introduce the notion of hierarchical group signatures. This is a proper generalization of group signatures, which allows multiple group managers organized in a tree with the si...
EUSFLAT
2003
14 years 11 months ago
2003
This paper concerns the theory of intuitionistic fuzzy sets according to Atanassov. If triangular norms, especially nonstrict Archimedean ones, are used, we propose a revision and...
JSYML
2008
14 years 9 months ago
2008
In this paper a method for the replacement, in formulas, of strong quantifiers by functions is introduced that can be considered as an alternative to Skolemization in the setting ...