Fixed languages and the adult languages of ol schemest ^†

†This research was supported by Grant MCS-8003348 of the National Science Foundation of the United States of America.

Abstract

The fixed language of an endomorphism of a free monoid is shown to be method that provides a concide description of the basis of the fixed language. A supplementary disscussion shown that the adult language of an OL scheme is free and provides a simple listing procedure for the basis element.

Keywords:

• Lindenmayer systems L systems
• semigroups
• schemes
• fixed languages
• adult languages

C.R. Categories:

• 5.14
• 5.17

†This research was supported by Grant MCS-8003348 of the National Science Foundation of the United States of America.

†This research was supported by Grant MCS-8003348 of the National Science Foundation of the United States of America.

Notes

†This research was supported by Grant MCS-8003348 of the National Science Foundation of the United States of America.