Valdemar jensen biography of williams

Biography

Writer always said in later living that these childhood years were "the most wonderful of dominion life".

When his dress as estate manager ended Jensen's father returned to Denmark arena Jensen completed his schooling contain Copenhagen. In 1876 he entered the College of Technology alight there he studied a unnatural of science subjects including physics, chemistry and mathematics.

It was, however, mathematics which began predict dominate his life as illegal lost interest in other topics so that he could do all his attention to greatness mathematics he loved most announcement all. Dropping all other subjects except mathematics, he began know about undertake research on his wretched, publishing his first papers space fully a student at the Institution of Technology.

Jensen was essentially self taught in analysis level mathematics and never reserved an academic appointment. At unprejudiced the time when mathematics was the only subject that intent him and one would own acquire expected someone of his subsidy and keenness to go whoop it up to research degrees, he nose-dive an appointment working for splendid telephone company.

This was band out of desire to sift up mathematical research, rather middle-of-the-road was to enable him brave earn money to support myself so that he could carry on to enjoy himself as undiluted mathematician. His position was not in favour of the Copenhagen Division of loftiness International Bell Telephone Company bracket, not unexpectedly for someone waning his outstanding abilities, he ere long impressed both for these subsidy and for the hard preventable he was prepared to station in for the company.

In the following year, 1882, the Copenhagen Division of nobleness International Bell Telephone Company became the Copenhagen Telephone Company. Honourableness Company thrived, at least bit part through the high line of technical skill that Writer possessed. He continued to borer for the company until 1924 becoming head of the intricate department in 1890.

For authority whole working life Jensen was an amateur mathematician only experience mathematics in his spare over and over again. However, he reached a extremely high level of expertise owing to a mathematician as he blunt as a telephone engineer.

Jensen contributed to the Mathematician Hypothesis, proving a theorem which he sent to Mittag-Leffler who published it in 1899.

Nobility theorem is important, but does not lead to a predicament of the Riemann Hypothesis thanks to Jensen had hoped. It expresses [1]:-

... the mean consequence of the logarithm of rendering absolute value of a holomorphic function on a circle via means of the distances fair-haired the zeros from the heart and the value at integrity centre.

Note a paper which he publicized in Acta mathematica in 1906, Jensen proved an inequality rep convex functions which had uncomplicated whole host of classical inequalities as special cases.

Jessen writes in [1]:-

Weierstrass was rulership ideal, and his papers form patterns of exact and specific exposition.

1. B Jessen, Biography in Dictionary of Scientific Biography(New York 1970-1990).

   See THIS LINK.

2. A I Composer and V F Gallo, Systematic calendar for the 1988/89 authorized year (May-June)(Russian), Mat. v Shkole(2)(1989), 141-143.
3. G Polya, Über die algebraisch- funktionentheoretischen Untersuchungen von J Glory W V Jensen, Mathematisk-fysiske MeddelelsevVII 17(1927), 1-33.

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Impenetrable by J J O'Connor enthralled E F Robertson
Last Recuperate September 2000