Timeline for Is a retract of a free object free?
Current License: CC BY-SA 3.0
16 events
| when toggle format | what | by | license | comment | |
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| Aug 10, 2023 at 4:29 | comment | added | Jonas Frey | @BenjaminSteinberg thanks for the reference! yes, that's exactly it | |
| Jul 19, 2023 at 20:52 | comment | added | Benjamin Steinberg | I don’t remember what book but apparently the result was first proved in Head, T. 1982. Expanded subalphabets in the theories of languages and semigroups. Intern. J. Comput. Math, 12: 113–123. | |
| Jul 19, 2023 at 4:37 | comment | added | Jonas Frey | hmm I had a look at the book you mention and couldn't find it ... thanks anyway! | |
| Jul 18, 2023 at 10:06 | comment | added | Benjamin Steinberg | @JonasFrey, this was over 11 years ago. I have no idea which book. If I had to make a guess I would day the theory of codes by Berstel, perrin, reutenauer | |
| Jul 18, 2023 at 4:42 | comment | added | Jonas Frey | That's great! Do you remember the precise reference for the automata theory book? | |
| Mar 16, 2012 at 22:07 | vote | accept | Victor | ||
| Mar 14, 2012 at 16:42 | vote | accept | Victor | ||
| Mar 16, 2012 at 22:07 | |||||
| Mar 10, 2012 at 18:46 | history | edited | Benjamin Steinberg | CC BY-SA 3.0 |
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| Mar 10, 2012 at 18:46 | comment | added | Benjamin Steinberg | @Vladimir, thanks! I should have read it more carefully. I will fix the entry. | |
| Mar 10, 2012 at 16:51 | comment | added | Vladimir Dotsenko | About your last paragraph (free associative case): as the beginning of Section 2.2 says, it is applicable in various non-associative case only, unfortunately. | |
| Mar 10, 2012 at 15:56 | history | edited | Benjamin Steinberg | CC BY-SA 3.0 |
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| Mar 10, 2012 at 3:51 | history | edited | Benjamin Steinberg | CC BY-SA 3.0 |
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| Mar 9, 2012 at 22:21 | vote | accept | Victor | ||
| Mar 11, 2012 at 2:13 | |||||
| Mar 9, 2012 at 20:44 | history | edited | Benjamin Steinberg | CC BY-SA 3.0 |
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| Mar 9, 2012 at 19:16 | history | edited | Benjamin Steinberg | CC BY-SA 3.0 |
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| Mar 9, 2012 at 18:42 | history | answered | Benjamin Steinberg | CC BY-SA 3.0 |