The psectrum Spec(A) of a sentence A is, roughly, the set of those a for which A has a threshold function at or near p=n-a. Examples are given of A with infinite spectra and with spectra of order type Ωi for arbitrary i.
- AMS subject classification (1980): 05C35
ASJC Scopus subject areas
- Discrete Mathematics and Combinatorics
- Computational Mathematics