Results 31 to 40 of about 1,929,870 (338)
A survey on difference hierarchies of regular languages [PDF]
Difference hierarchies were originally introduced by Hausdorff and they play an important role in descriptive set theory. In this survey paper, we study difference hierarchies of regular languages.
Olivier Carton +2 more
doaj +1 more source
Martin's conjecture, arithmetic equivalence, and countable Borel equivalence relations [PDF]
There is a fascinating interplay and overlap between recursion theory and descriptive set theory. A particularly beautiful source of such interaction has been Martin's conjecture on Turing invariant functions.
Marks, Andrew +2 more
core +4 more sources
The Status of Normative Propositions in the Theory of Scientific Change
The scope of the Theory of Scientific Change (TSC) encompasses any and all changes that occur in a given scientific mosaic, the set of all methods employed and theories accepted at a given time by a given scientific community.
Zoe Sebastien
doaj +1 more source
One of the most effective and impressive approaches to tackle uncertainty is the theory of bipolar complex fuzzy set (BCFS). The theory of BCFS modified the theory of fuzzy set (FS), bipolar FS (BFS), and complex FS.
Tahir Mahmood +2 more
doaj +1 more source
An Application for Descriptive Nearness: Iris Recognition
Near Set Theory has various applications in the literature. In this paper, using the concept descriptive nearness, we show how to perform iris recognition. This process has a few algorithms given via Mathematica Script Language.
Polat Kadirhan
doaj +1 more source
Social representation of spiritual surgeries in Umbanda: culture, religion and contributions of nursing theory [PDF]
Objective: to analyze the social representation of spiritual surgeries in Umbanda for Bantu-Amerindian ritual mediums and their contributions to the cross-cultural care proposed by Madeleine Leininger.
Juliana de Lima Brandão +7 more
doaj +1 more source
The Ramsey property implies no mad families [PDF]
We show that if all collections of infinite subsets of $\N$ have the Ramsey property, then there are no infinite maximal almost disjoint (mad) families. This solves a long-standing problem going back to Mathias \cite{mathias}.
Schrittesser, David, Törnquist, Asger
core +2 more sources
The descriptive set theory of C$^*$-algebra invariants [PDF]
We establish the Borel computability of various C$^*$-algebra invariants, including the Elliott invariant and the Cuntz semigroup. As applications we deduce that AF algebras are classifiable by countable structures, and that a conjecture of Winter and ...
I. Farah +2 more
semanticscholar +1 more source
Creating the advertising idea from the view of social learning theory [PDF]
:The research deals with the study of building the advertising idea in light of the concepts of social learning theory so that it can be applied in advertising design.
Rasha Zahran +2 more
doaj +1 more source

