Error message

  • Notice: Undefined variable: _SESSION in dial_widget_pr_publication_action() (line 140 of /var/www/html/drupal-7.54/sites/all/modules/dial/dial_widget/dial_widget_pr/dial_widget_pr.module).
  • Warning: array_key_exists() expects parameter 2 to be array, null given in dial_widget_pr_publication_action() (line 140 of /var/www/html/drupal-7.54/sites/all/modules/dial/dial_widget/dial_widget_pr/dial_widget_pr.module).

The Geometry of Black's single peakedness and related conditions

Bibliographic reference Saari, Donald G. ; Valognes, Fabrice. The Geometry of Black's single peakedness and related conditions. In: Journal of Mathematical Economics, vol. 32, p. 429-456 (1999)
Permanent URL