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  2. José Adem - Wikipedia

    en.wikipedia.org/wiki/José_Adem

    Born José Adem Chahín [1] in Tuxpan, Veracruz, (published his works as José Adem), Adem showed an interest in mathematics from an early age, and moved to Mexico City in 1941 to pursue a degree in engineering and mathematics. He obtained his B.S. in mathematics from the National Autonomous University of Mexico (UNAM) in 1949. [2]

  3. History of mathematics - Wikipedia

    en.wikipedia.org/wiki/History_of_mathematics

    These problems, spanning many areas of mathematics, formed a central focus for much of 20th-century mathematics. Today, 10 have been solved, 7 are partially solved, and 2 are still open. The remaining 4 are too loosely formulated to be stated as solved or not. [citation needed] A map illustrating the Four Color Theorem

  4. History of science and technology in Mexico - Wikipedia

    en.wikipedia.org/wiki/History_of_science_and...

    The Olmec, a Pre-Columbian civilization living in the tropical lowlands of south-central Mexico, calendar system required an advanced understanding of mathematics. The Olmec number system was based on 20 instead of decimal and used three symbols- a dot for one, a bar for five, and a shell-like symbol for zero.

  5. List of Mexican inventions and discoveries - Wikipedia

    en.wikipedia.org/wiki/List_of_Mexican_inventions...

    The development of mathematics by the Mexicans assisted them in making sense of the universe, cosmos, astronomy, architecture, and pre-Columbian calendars that were so essential in maintaining a connection between them and the gods and heavens. Abacus – The Aztec and Maya of Mesoamerica performed arithmetic operations using an abacus. It ...

  6. History of Mexico - Wikipedia

    en.wikipedia.org/wiki/History_of_Mexico

    Mexico has been a major transit and drug-producing nation: an estimated 90% of the cocaine smuggled into the United States every year passes through Mexico. [130] Fueled by the increasing demand for drugs in the United States, the country has become a major supplier of heroin, producer, and distributor of MDMA , and the largest foreign supplier ...

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  8. Tlatelolco (archaeological site) - Wikipedia

    en.wikipedia.org/wiki/Tlatelolco_(archaeological...

    [10] The team expects to locate at least 50 additional bodies. [9] The grave contained evidence both of Aztec rituals, such as offerings of incense and animal sacrifice, and Spanish elements, such as buttons and a bit of glass. [10] Salvador Guilliem, head of the site for the governmental archaeology institute, expressed his astonishment at the ...

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