725 search results - page 1 / 145 » Descriptive Set Theory of Families of Small Sets |
BSL
2007
13 years 5 months ago
2007
This is a survey paper on the descriptive set theory of hereditary families of closed sets in Polish spaces. Most of the paper is devoted to ideals and σ-ideals of closed or compa...
ISMVL
2009
IEEE
13 years 11 months ago
2009
IEEE
Using concepts from rough set theory we investigate the existence of approximative descriptions of collections of objects that can be extracted from data sets, a problem of intere...
APAL
2010
13 years 2 months ago
2010
The (effective) Suslin-Kleene Theorem is obtained as a corollary of a standard proof of the classical Suslin Theorem, by noticing that it is mostly constructive and applying to it...
AML
2010
13 years 5 months ago
2010
When no single universal model for a set of structures exists at a given cardinal, then one may ask in which models of set theory does there exist a small family which embeds the r...
PREMI
2007
Springer
13 years 11 months ago
2007
Springer
Humans effortlessly classify and recognize complex patterns even if their attributes are imprecise and often inconsistent. It is not clear how the brain processes uncertain visual ...