Co-spectra of joint spectra of structures
Authors: Alexandra Soskova, Ivan Soskov
We introduce and study the notion of joint spectrum of finitely many abstract structures.
A characterization of the lower bounds of the elements of the joint spectrum is
obtained.
Annotation in PDF format:
(PDF document
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(PDF document
19Kb)
Keywords: enumeration reducibility, enumeration jump, enumeration degrees, forcing
2000 MSC:
03D30

