Jensen

Johan Ludwig William Valdemar Jensen

Born: 8 May 1859 in Nakskov, Denmark
Died: 5 March 1925 in Copenhagen, Denmark

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Jensen was a self taught mathematician who never held an academic appointment. He worked for a telephone company.

He contributed to the Riemann Hypothesis, proving a theorem which he sent to Mittag-Leffler who published it in 1899. The theorem is important, but does not lead to a solution of the Riemann Hypothesis as Jensen had hoped.

He also studied infinite series, the Gamma function and inequalities for complex functions.

References elsewhere in this archive:

Tell me about Jensen's work on Fermat's last theorem

References:

  1. Dictionary of Scientific Biography
  2. G Polya, †ber die algebraisch- funktionentheoretischen Untersuchungen von J L W V Jensen, Mathematisk-fysiske Meddelelsev VII 17 (1927), 1-33. 
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JOC/EFR February 1996