Separation for dot-depth two
The dot-depth hierarchy of Brzozowski and Cohen classifies the star-free languages of finite words. By a theorem of McNaughton and Papert, these are also the first-order definable languages. The dot-depth rose to prominence following the work of Thomas, who proved an exact correspondence with the qu...
Main Authors: | , |
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Format: | Article |
Language: | English |
Published: |
Logical Methods in Computer Science e.V.
2021-09-01
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Series: | Logical Methods in Computer Science |
Subjects: | |
Online Access: | https://lmcs.episciences.org/5649/pdf |