Sachertorte Sachertorte Sachertorte () is a specific type of chocolate cake, or torte, invented by Austrian Franz Sacher in 1832 for Prince Wenzel von Metternich in Vienna, Austria. It is one of the most famous Viennese culinary specialties. December 5th is National Sachertorte Day in the United States. Recipes similar to that of the Sachertorte appeared as early as the 18th century, one instance being in the 1718 cookbook of Conrad Hagger, another individual represented in Gartler-Hickmann's 1749 "Tried and True Viennese Cookbook" ("Wienerisches bewährtes Kochbuch"). In 1832, Prince Wenzel von Metternich charged his personal chef with creating a special dessert
Fair cake-cutting achieved by giving all the vanilla and 4/9 of the chocolate to George (for a value of 6.66), and the other 5/9 of the chocolate to Alice (for a value of 5). In symbols: The proportionality criterion can be generalized to situations in which the rights of the people are not equal. For example, in proportional cake-cutting with different entitlements, the cake belongs to shareholders such that one of them holds 20% and the other holds 80% of the cake. This leads to the criterion of "weighted proportionality" (WPR): Where the "w" are weights that sum up to 1. Another