119 search results - page 18 / 24 » A First-Order Isomorphism Theorem |
TCS
2008
13 years 7 months ago
2008
The Traverso-Swan theorem says that a reduced ring A is seminormal if and only if the natural homomorphism Pic A Pic A[X] is an isomorphism ([18, 17]). We give here all the detai...
JCT
2011
13 years 2 months ago
2011
Abstract. We generalize a theorem of Knuth relating the oriented spanning trees of a directed graph G and its directed line graph LG. The sandpile group is an abelian group associa...
CORR
2010
Springer
13 years 7 months ago
2010
Springer
This article studies the expressive power of finite automata recognizing sets of real numbers encoded in positional notation. We consider Muller automata as well as the restricted ...
BSL
2004
13 years 7 months ago
2004
This paper ties together much of the model theory of the last 50 years. Shelah's attempts to generalize the Morley theorem beyond first order logic led to the notion of excel...
GG
2004
Springer
14 years 25 days ago
2004
Springer
The concept of typed attributed graph transformation is most significant for modeling and meta modeling in software engineering and visual languages, but up to now there is no ade...