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Deaths on December 20

Raoul Bott
2005Dec, 20

Raoul Bott

Raoul Bott, Hungarian-American mathematician and academic (b. 1923)
Raoul Bott (September 24, 1923 – December 20, 2005) was a Hungarian-American mathematician known for numerous basic contributions to geometry in its broad sense. He is best known for his Bott periodicity theorem, the Morse–Bott functions which he used in this context, and the Borel–Bott–Weil theorem.

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Events on 2005

  • 24Apr

    Pope Benedict XVI

    Cardinal Joseph Ratzinger is inaugurated as the 265th Pope of the Roman Catholic Church taking the name Pope Benedict XVI.
  • 25Apr

    European Union

    Bulgaria and Romania sign accession treaties to join the European Union.
  • 17Aug

    Israeli disengagement from Gaza

    The first forced evacuation of settlers, as part of Israeli disengagement from Gaza, starts.
  • 24Oct

    Effects of Hurricane Wilma in Florida

    Hurricane Wilma makes landfall in Florida resulting in 35 direct 26 indirect fatalities and causing $20.6B USD in damage.
  • 30Oct

    Bombing of Dresden in World War II

    The rebuilt Dresden Frauenkirche (destroyed in the firebombing of Dresden during World War II) is reconsecrated after a thirteen-year rebuilding project.