ht: Pyotr Sergeyevich Novikov

His father was Prince Pyotr Sergeyevich Troubetzkoy ( 1760 – 1817 ).

* 1901 – Pyotr Novikov, Russian mathematician ( d. 1975 )

It was shown by Pyotr Novikov in 1955 that there exists a finitely generated ( in fact, a finitely presented ) group G such that the word problem for G is undecidable.

In 1968, Pyotr Novikov and Sergei Adian's supplied a negative solution to the bounded exponent problem for all odd exponents larger than 4381.

The breakthrough in Burnside's problem was achieved by Pyotr Novikov and Sergei Adian in 1968.

Extending this result, Pyotr Novikov and William Boone showed independently in the 1950s that the word problem for groups is not effectively solvable: there is no effective procedure that, given a word in a finitely presented group, will decide whether the element represented by the word is the identity element of the group.

1955: Pyotr Novikov showed that there exists a finitely presented group G such that the word problem for G is undecidable.

* Pyotr Novikov

His doctoral students included some of the most famous Soviet mathematicians: Pavel Aleksandrov, Nina Bari, Aleksandr Khinchin, Andrey Kolmogorov, Alexander Kronrod, Mikhail Lavrentyev, Alexey Lyapunov, Lazar Lyusternik, Pyotr Novikov, Lev Schnirelmann and Pavel Urysohn.

pt: Pyotr Novikov

# REDIRECT Pyotr Novikov

# REDIRECT Pyotr Novikov

* Pyotr Novikov ( 1957, mathematics, for proving the undecidability of the word problem for groups )

# REDIRECT Pyotr Novikov

Pyotr Arkadyevich Stolypin (; – ) served as Prime Minister and the leader of the third Duma, from 1906 to 1911.

Antonina Ivanovna Miliukova (; ) was the wife, and after 1893, the widow, of Russian composer Pyotr Ilyich Tchaikovsky.

Peter ( or Pyotr or Petr ) Berngardovich Struve (; pronounced ; January 26, 1870, Perm – February 22, 1944, Paris ) was a Russian political economist, philosopher and editor.

Pyotr Grigoryevich Bolotnikov (; born 8 March 1930 ) is a former Soviet athlete, one of the world's best stayers of the early 1960s, winner of 10, 000 m at the 1960 Summer Olympics.

Peter Veniaminovich Svidler (; Pyotr Veniaminovich Svidler, born June 17, 1976, in Leningrad ) is a Russian chess Grandmaster.

Nadezhda Filaretovna von Meck (; – ) was a Russian businesswoman, who is best known today for her artistic relationship with Pyotr Ilyich Tchaikovsky.

Pyotr Mironovich Masherov (; ;-October 4, 1980 ) was the first secretary of Belarusian committee of the Communist Party of Soviet Union and a communist leader of Soviet Belarus.

Pyotr Alexandrovich Chikhachyov, last name also spelled Chikhachev or Tchihatchev (; 23 December 1808 – 13 October 1890 ) was a Russian naturalist and geologist who was admitted into the Russian Academy of Sciences in 1876 as an honorary member.

Pyotr Timofeyevich Mstislavets ( Timofeyev ) (; ) was a Russian printer and Ivan Fedorov's associate in Moskow.

Pyotr Lavrovich Lavrov (; alias Mirtov (); ( June 2 ( June 14 N. S.

Pyotr Alexandrovich Blinov (; Pekshur village, Uvinsky District, Udmurtia-near Smolensk, January 7, 1942 ) was a Soviet Udmurt writer and journalist.

Pyotr Kuzmich Kozlov (; October 3, 1863, Dukhovshchina – September 26, 1935, Peterhof ) was a Russian and Soviet traveler and explorer who continued the studies of Nikolai Przhevalsky in Mongolia and Tibet.

Pyotr Nikolayevich Mamonov (; born 14 April 1951 ) is a Russian rock musician, songwriter and actor, former frontman of the Moscow band Zvuki Mu.

Pyotr or Petr Yakovlevich Chaadayev (; June 7 27, Old Style, 1794, Moscow – April 26 14, O. S., 1856, Moscow ) was a Russian philosopher.

Pyotr Ivanovich Sumin (; June 21, 1946 – January 6, 2011 ) was the governor of Chelyabinsk Oblast of Russia.

Pyotr Ivanovich Rachkovsky (; 1853 – 1910 ) was chief of Okhrana, the secret service in Imperial Russia.

* Pyotr Krasikov ( 15 March 1924 – 20 June 1933 )

* August 1 ( July 21 in Julian Calendar ) – Russo-Turkish War ( 1768 – 1774 ) – Battle of Kagul: Russian commander Pyotr Rumyantsev routs 150, 000 Turks.

* August 12 – Battle of Kunersdorf: Frederick the Great is rebuffed in bloody assaults on the combined Austro – Russian army of Pyotr Saltykov and Ernst von Laudon.

* Pyotr Dmitriyevich, Prince of Dmitrov ( 29 July 1385 – 10 August 1428 ).

It was chartered on August 19, 1780, after Pyotr Shuvalov had sold his rights to fell timber to English industrialists who built several sawmills there.

On August 12, 1759, near Kunersdorf ( Kunowice ), east of Frankfurt ( Oder ), 50, 900 Prussians were defeated by a combined allied army 59, 500 strong consisting of 41, 000 Russians and 18, 500 Austrians under Pyotr Saltykov.

* 25 August – Flying a Morane-Saulnier Type G monoplane, Imperial Russian Army pilot Pyotr N. Nesterov becomes the first pilot to down an enemy aircraft in aerial combat.

74, Pathétique is Pyotr Ilyich Tchaikovsky's final completed symphony, written between February and the end of August 1893.

Pyotr Ananyevich Krasikov () ( 5 October 1870 – 20 August 1939 ) was a functionary of the All-Union Communist Party ( bolsheviks ) and the Soviet Union.

General Pyotr Deynekin, the former deputy commander-in-chief of the Soviet Air Forces, became the first commander of the new organisation on 24 August 1991.

64 by Pyotr Ilyich Tchaikovsky was composed between May and August 1888 and was first performed in St Petersburg at the Hall of Nobility on November 6 of that year with Tchaikovsky conducting.

* The first ever successful loop, performed by Lieutenant Pyotr Nesterov of the Imperial Russian Air Service on 20 August 1913.

On the morning of 12 August 2000, as part of a naval exercise, Kursk was to fire two dummy torpedoes at Kirov-class battlecruiser Pyotr Velikiy, the flagship of the Northern Fleet.

On 12 August 1759 at the Battle of Kunersdorf, the Prussian Army of King Frederick II was destroyed by the united Russian and Austrian forces under Count Pyotr Saltykov.

Despite concerns that he might share the fate of his diplomat brother Pyotr Andreyevich Tolstoy, who was at that time thrown into Turkey's notorious prison Seven Towers, Ivan travelled to Azov and on the way back became ill and died in Cherkassk on August 25, 1713.

Count Pyotr Semyonovich Saltykov () ( 1697 – 1772 ) was a Russian statesman and a military figure, russian general-fieldmarshal ( 18 August 1759 ), son of Semyon Saltykov.