Search results
Results From The WOW.Com Content Network
A four-colored map of the states of the United States (ignoring lakes and oceans) In mathematics, the four color theorem, or the four color map theorem, states that no more than four colors are required to color the regions of any map so that no two adjacent regions have the same color. Adjacent means that two regions share a common boundary of ...
Media type. Paper. " The Geographical Pivot of History " is an article submitted by Halford John Mackinder in 1904 to the Royal Geographical Society that advances his heartland theory. [1][2][3] In this article, Mackinder extended the scope of geopolitical analysis to encompass the entire globe. He defined Afro-Eurasia as the "world island" and ...
A Five-Color Map. The five color theorem is a result from graph theory that given a plane separated into regions, such as a political map of the countries of the world, the regions may be colored using no more than five colors in such a way that no two adjacent regions receive the same color. The five color theorem is implied by the stronger ...
The Inglehart–Welzel cultural map of the world is a scatter plot created by political scientists Ronald Inglehart and Christian Welzel based on the World Values Survey and European Values Survey. [1] It depicts closely linked cultural values that vary between societies in two predominant dimensions: traditional versus secular-rational values ...
Two-level game theory is a political model, derived from game theory, that illustrates the domestic-international interactions between states. It was originally, introduced in 1988 by Robert D. Putnam , in his publication "Diplomacy and Domestic Politics: The Logic of Two-Level Games".
Sinistral transform. Plate tectonics (from Latin tectonicus, from Ancient Greek τεκτονικός (tektonikós) 'pertaining to building') is the scientific theory that Earth 's lithosphere comprises a number of large tectonic plates, which have been slowly moving since 3–4 billion years ago. The model builds on the concept of continental ...
Antonio Snider-Pellegrini (1802–1885) was a French geographer and geologist who theorized about the possibility of continental drift, anticipating Wegener's theories concerning Pangaea by several decades. In 1858, Snider-Pellegrini published his book, La Création et ses mystères dévoilés ("The Creation and its Mysteries Unveiled").
Worldbuilding. Worldbuilding is the process of constructing an imaginary world or setting, sometimes associated with a fictional universe. [1] Developing the world with coherent qualities such as a history, geography, culture and ecology is a key task for many science fiction or fantasy writers. [2] Worldbuilding often involves the creation of ...