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Há 3 dias · Random matrix. In probability theory and mathematical physics, a random matrix is a matrix -valued random variable —that is, a matrix in which some or all of its entries are sampled randomly from a probability distribution. Random matrix theory (RMT) is the study of properties of random matrices, often as they become large.
Há 1 dia · Stoke-on-Trent (often abbreviated to Stoke) is a city and unitary authority area in Staffordshire, England, with an area of 36 square miles (93 km 2 ). In 2021, the city had an estimated population of 258,400.
Há 1 dia · Guyana ( / ɡaɪˈɑːnə / ⓘ or / ɡaɪˈænə / ⓘ ghy-A (H)N-ə ), [11] [5] officially the Co-operative Republic of Guyana, [12] is a country on the northern coast of South America, part of the historic mainland British West Indies. Guyana is an indigenous word which means "Land of Many Waters". [13]
Há 1 dia · Polish People's Republic. / 52.217°N 21.033°E / 52.217; 21.033. The Polish People's Republic [a] was a country in Central Europe that existed from 1947 to 1989 as the predecessor of the modern-day Republic of Poland and a satellite state of the Soviet Union. From 1947 to 1952 it was known as the Republic of Poland, [b] and it was also ...
Há 2 dias · Nazi Germany, [h] officially known as the German Reich [i] and later the Greater German Reich, [j] is a term used to describe the German state between 1933 and 1945, when Adolf Hitler and the Nazi Party controlled the country, transforming it into a totalitarian dictatorship. The Third Reich, [k] meaning "Third Realm" or "Third Empire ...
Há 1 dia · royal .uk. The monarchy of the United Kingdom, commonly referred to as the British monarchy, is the form of government used by the United Kingdom by which a hereditary monarch reigns as the head of state, with their powers regulated by the British Constitution. The term may also refer to the role of the royal family within the UK's broader ...
Há 2 dias · The sovereign state of Estonia is a democratic unitary parliamentary republic, administratively subdivided into 15 maakond (counties). With a population of just around 1.4 million, it is one of the least populous members of the European Union, the Eurozone, the OECD, the Schengen Area, and NATO.
