Notice: Only variables should be assigned by reference in /global/web-serveurs/dmtcs/htdocs/ojs-2.2.4/pages/search/SearchHandler.inc.php on line 131

Warning: Cannot modify header information - headers already sent by (output started at /global/web-serveurs/dmtcs/htdocs/ojs-2.2.4/pages/search/SearchHandler.inc.php:131) in /global/web-serveurs/dmtcs/htdocs/ojs-2.2.4/classes/template/TemplateManager.inc.php on line 240

Warning: Cannot modify header information - headers already sent by (output started at /global/web-serveurs/dmtcs/htdocs/ojs-2.2.4/pages/search/SearchHandler.inc.php:131) in /global/web-serveurs/dmtcs/htdocs/ojs-2.2.4/classes/template/TemplateManager.inc.php on line 243
Author Details

Author Details

Almeida, Jorge, Universidade do Porto, Portugal

  • Vol 12, No 4 (2010) - Special Issue on Automata: from Mathematics to Applications
    New decidable upper bound of the second level in the Straubing-Thérien concatenation hierarchy of star-free languages
    Abstract  PDF  PostScript


ISSN: 1365-8050