Viktor Bunyakovsky

Viktor Yakovlevich Bunyakovsky (Russian: Ви́ктор Я́ковлевич Буняко́вский, Ukrainian: Ві́ктор Я́кович Буняко́вський; 16 December [O.S. 4 December] 1804, Bar, Podolia Governorate, Russian Empire12 December [O.S. 30 November] 1889, St. Petersburg, Russian Empire) was a Russian mathematician, member and later vice president of the Petersburg Academy of Sciences.

Viktor Yakovlevich Bunyakovsky
Viktor Bunyakovsky in 1888
Born16 December [O.S. 4 December] 1804
Died12 December [O.S. 30 November] 1889
St. Petersburg, Russian Empire
Alma materÉcole Polytechnique
Known forCauchy–Schwarz inequality, Bunyakovsky conjecture, theoretical mechanics, probability theory, number theory, condensed matter physics, finances
Scientific career
FieldsMathematics, Physics, Finances
InstitutionsSt. Petersburg Academy of Sciences
Doctoral advisorAugustin Cauchy
Signature

Bunyakovsky was a mathematician, noted for his work in theoretical mechanics and number theory (see: Bunyakovsky conjecture), and is credited with an early discovery of the Cauchy–Schwarz inequality, proving it for the infinite dimensional case as well as for definite integrals of real-valued functions in 1859, many years prior to Hermann Schwarz's works on the subject.

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