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» Saturated models of universal theories
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MLQ
2000
99views more  MLQ 2000»
13 years 7 months ago
The Essentially Equational Theory of Horn Classes
It is well known that the model categories of universal Horn theories are locally presentable, hence essentially algebraic [2]. In the special case of quasivarieties a direct tran...
Hans-E. Porst
CORR
2007
Springer
126views Education» more  CORR 2007»
13 years 7 months ago
Rethinking Information Theory for Mobile Ad Hoc Networks
The subject of this article is the long standing open problem of developing a general capacity theory for wireless networks, particularly a theory capable of describing the fundam...
Jeffrey G. Andrews, Nihar Jindal, Martin Haenggi, ...
DBPL
2007
Springer
102views Database» more  DBPL 2007»
14 years 1 months ago
A Theory of Stream Queries
Data streams are modeled as infinite or finite sequences of data elements coming from an arbitrary but fixed universe. The universe can have various built-in functions and predi...
Yuri Gurevich, Dirk Leinders, Jan Van den Bussche
AML
2008
84views more  AML 2008»
13 years 5 months ago
Model theory of the regularity and reflection schemes
Abstract. This paper develops the model theory of ordered structures that satisfy Keisler's regularity scheme, and its strengthening REF(L) (the reflection scheme) which is an...
Ali Enayat, Shahram Mohsenipour
ECOOP
2008
Springer
13 years 9 months ago
Extensible Universes for Object-Oriented Data Models
Abstract We present a datatype package that enables the shallow embedding technique to object-oriented specification and programming languages. This datatype package incrementally ...
Achim D. Brucker, Burkhart Wolff