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  • Notice: Array to string conversion in theme_biblio_tabular() (line 244 of /var/www/html/hacivat/ieweb/sites/all/modules/biblio/includes/biblio_theme.inc).
  • Notice: Array to string conversion in theme_biblio_tabular() (line 244 of /var/www/html/hacivat/ieweb/sites/all/modules/biblio/includes/biblio_theme.inc).
  • Notice: Array to string conversion in theme_biblio_tabular() (line 244 of /var/www/html/hacivat/ieweb/sites/all/modules/biblio/includes/biblio_theme.inc).
  • Notice: Array to string conversion in theme_biblio_tabular() (line 244 of /var/www/html/hacivat/ieweb/sites/all/modules/biblio/includes/biblio_theme.inc).
  • Notice: Array to string conversion in theme_biblio_tabular() (line 244 of /var/www/html/hacivat/ieweb/sites/all/modules/biblio/includes/biblio_theme.inc).
  • Notice: Array to string conversion in theme_biblio_tabular() (line 244 of /var/www/html/hacivat/ieweb/sites/all/modules/biblio/includes/biblio_theme.inc).
  • Notice: Array to string conversion in theme_biblio_tabular() (line 244 of /var/www/html/hacivat/ieweb/sites/all/modules/biblio/includes/biblio_theme.inc).
  • Notice: Array to string conversion in theme_biblio_tabular() (line 244 of /var/www/html/hacivat/ieweb/sites/all/modules/biblio/includes/biblio_theme.inc).
  • Notice: Array to string conversion in theme_biblio_tabular() (line 244 of /var/www/html/hacivat/ieweb/sites/all/modules/biblio/includes/biblio_theme.inc).
  • Notice: Array to string conversion in theme_biblio_tabular() (line 244 of /var/www/html/hacivat/ieweb/sites/all/modules/biblio/includes/biblio_theme.inc).
  • Notice: Array to string conversion in theme_biblio_tabular() (line 244 of /var/www/html/hacivat/ieweb/sites/all/modules/biblio/includes/biblio_theme.inc).
  • Notice: Array to string conversion in theme_biblio_tabular() (line 244 of /var/www/html/hacivat/ieweb/sites/all/modules/biblio/includes/biblio_theme.inc).
  • Notice: Array to string conversion in theme_biblio_tabular() (line 244 of /var/www/html/hacivat/ieweb/sites/all/modules/biblio/includes/biblio_theme.inc).
  • Notice: Array to string conversion in theme_biblio_tabular() (line 244 of /var/www/html/hacivat/ieweb/sites/all/modules/biblio/includes/biblio_theme.inc).
  • Notice: Array to string conversion in theme_biblio_tabular() (line 244 of /var/www/html/hacivat/ieweb/sites/all/modules/biblio/includes/biblio_theme.inc).
  • Notice: Array to string conversion in theme_biblio_tabular() (line 244 of /var/www/html/hacivat/ieweb/sites/all/modules/biblio/includes/biblio_theme.inc).
  • Notice: Array to string conversion in theme_biblio_tabular() (line 244 of /var/www/html/hacivat/ieweb/sites/all/modules/biblio/includes/biblio_theme.inc).
  • Notice: Array to string conversion in theme_biblio_tabular() (line 244 of /var/www/html/hacivat/ieweb/sites/all/modules/biblio/includes/biblio_theme.inc).
  • Notice: Array to string conversion in theme_biblio_tabular() (line 244 of /var/www/html/hacivat/ieweb/sites/all/modules/biblio/includes/biblio_theme.inc).
  • Notice: Array to string conversion in theme_biblio_tabular() (line 244 of /var/www/html/hacivat/ieweb/sites/all/modules/biblio/includes/biblio_theme.inc).
  • Notice: Array to string conversion in theme_biblio_tabular() (line 244 of /var/www/html/hacivat/ieweb/sites/all/modules/biblio/includes/biblio_theme.inc).
  • Notice: Array to string conversion in theme_biblio_tabular() (line 244 of /var/www/html/hacivat/ieweb/sites/all/modules/biblio/includes/biblio_theme.inc).
  • Notice: Array to string conversion in theme_biblio_tabular() (line 244 of /var/www/html/hacivat/ieweb/sites/all/modules/biblio/includes/biblio_theme.inc).
  • Notice: Array to string conversion in theme_biblio_tabular() (line 244 of /var/www/html/hacivat/ieweb/sites/all/modules/biblio/includes/biblio_theme.inc).
  • Notice: Array to string conversion in theme_biblio_tabular() (line 244 of /var/www/html/hacivat/ieweb/sites/all/modules/biblio/includes/biblio_theme.inc).
  • Notice: Array to string conversion in theme_biblio_tabular() (line 244 of /var/www/html/hacivat/ieweb/sites/all/modules/biblio/includes/biblio_theme.inc).

Approximation preserving reductions for set covering, vertex covering and independent set hierarchies under differential approximationa

TitleApproximation preserving reductions for set covering, vertex covering and independent set hierarchies under differential approximationa
Publication TypeJournal Article
AuthorsEkim, T., and V. Th Paschos