Search Results: Euler characteristic

Marie Jean Antoine Nicolas de Caritat, Marquis de Condorcet (1743-1794), also known as Nicolas de Condorcet, was a French philosopher, political theorist, and mathematician. His ideas, encompassing a wide range of topics from education to...

In the ancient Near East, there was a social standard by which men were ideally expected to behave. In the 21st century CE, expectations still exist, albeit in different forms. Normative masculinity through ancient Mesopotamia typically concerned...

A unique and fundamental aspect of ancient Judean society in both Israel and the Diaspora, the ancient synagogue represents an inclusive, localized form of worship that did not crystallize until the destruction of the Temple in 70 CE. In...

Greek pottery has four main types: Geometric, Corinthian, Athenian Black-figure, and Athenian red-figure pottery. Pottery vessels were made for everyday use such as the two-handled amphora for storage, the single-stem kylix cup for drinking...

Viking warfare, along with its key component of raiding, is inextricably connected with the expansion of Scandinavian influence along the North Atlantic and into the Mediterranean in the Viking Age (c. 790-1100 CE), where the Vikings' heavy...

Thor (Old Norse: Þórr) is the Norse god of thunder, the sky, and agriculture. He is the son of Odin, chief of the gods, and Odin's consort Jord (Earth) and husband of the fertility goddess Sif, who is the mother of his son Modi and daughter...

The Middle Kingdom (2040-1782 BCE) is considered ancient Egypt's Classical Age during which it produced some of its greatest works of art and literature. Scholars remain divided on which dynasties constitute the Middle Kingdom as some argue...

Art made by Scandinavians during the Viking Age (c. 790-1100 CE) mostly encompassed the decoration of functional objects made of wood, metal, stone, textile and other materials with relief carvings, engravings of animal shapes and abstract...

Sif is a fertility goddess in Norse mythology, wife of the thunder god Thor, best known for the story in which the trickster god Loki cuts her hair as a prank and is forced to replace it with a magical headpiece, leading to the creation of...

The French Republican calendar, also known as the French Revolutionary calendar, was created during the French Revolution (1789-1799) in an attempt to build a new society separate from the vestiges of the Ancien Régime. First implemented...