His most frequent collaborators include Hungarian mathematicians András Sárközy (62 papers) and András Hajnal (56 papers), and American mathematician Ralph Faudree (50 papers). Aveva dimostrato la sua vocazione matematica già a tre anni, riuscendo a calcolare, come amava egli stesso ricordare, 100 meno 250, e scoprendo in tal modo, senza alcun aiuto, i numeri negativi. An Erdős number describes a person's degree of separation from Erdős himself, based on their collaboration with him, or with another who has their own Erdős number.
Dopo il 1971 Erdős incominciò a far uso di anfetamine per poter lavorare meglio. 38-48. [6] He firmly believed mathematics to be a social activity, living an itinerant lifestyle with the sole purpose of writing mathematical papers with other mathematicians. [13], Erdős entered the University of Budapest at the age of 17. Erdős era una persona ossessionata dalla matematica e non desiderava soldi o fama. For other co-authors of Erdős, see the list of people with Erdős number 1 in List of people by Erdős number. The most familiar problem with an Erdős prize is likely the Collatz conjecture, also called the 3N + 1 problem. 25-30. and some have estimated that 90 percent of the world's active mathematicians have an Erdős number smaller than 8 (not surprising in light of the small world phenomenon). To give an oral exam to students was "to torture" them. Erdős era in grado di lavorare anche per 20 ore al giorno e ciò spesso metteva a dura prova la capacità di concentrazione dei padroni di casa, che non erano abituati a tali ritmi. Overall, his work leaned towards solving previously open problems, rather than developing or exploring new areas of mathematics. Matematico ungherese, nato a Budapest il 26 marzo 1913, morto a Varsavia il 20 settembre 1996.
Erdős' name contains the Hungarian letter "ő" ("o" with double acute accent), but is often incorrectly written as Erdos or Erdös either "by mistake or out of typographical necessity".[20]. [58][59] Collaboration distances will necessarily increase over long time scales, as mathematicians with low Erdős numbers die and become unavailable for collaboration. At this time, he began to develop the habit of traveling from campus to campus. Paul Erdős came from a Jewish family (the original family name being Engländer) although neither of his parents observed the Jewish religion.
I suoi diretti collaboratori hanno il numero di Erdős 1.
Hungary at the time was under the Warsaw Pact with the Soviet Union. Fin da bambino Erdős dimostrò un grande talento matematico, tanto da venire accettato dai matematici ungheresi come loro pari. [16] Except for some years in the 1950s, when he was not allowed to enter the United States based on the pretense that he was a Communist sympathizer, his life was a continuous series of going from one meeting or seminar to another. [14] In 1934, at the age of 21, he was awarded a doctorate in mathematics. Da questa enorme mole di collaborazioni è nata l'usanza scherzosa, probabilmente inventata dall'analista Casper Goffman nel 1969nel suo articolo And what is your Erdős number?, di definire il numero di Erdős di un matematico in questa maniera ricor… Paul Erdős, nato Erdős Pál (IPA: [ˈɛrdøːʃ paːl]; Budapest, 26 marzo 1913 – Varsavia, 20 settembre 1996), è stato un matematico ungherese. He earned enough in stipends from universities as a guest lecturer, and from various mathematical awards, to fund his travels and basic needs; money left over he used to fund cash prizes for proofs of "Erdős problems" (see below).
Events of 1996, Chicago 1997, p. 100. His colleague Alfréd Rényi said, "a mathematician is a machine for turning coffee into theorems",[22] and Erdős drank copious quantities (this quotation is often attributed incorrectly to Erdős,[23] but Erdős himself ascribed it to Rényi[24]). Paul Erdős (Budapest 26 di marzu 1913 - Varsavia 20 di sittèmmiru 1996), matimàticu unghirisi, marcau la storia di la matimàtica ntô XX Sèculu. L'attività scientifica di E. ha riguardato principalmente la teoria dei numeri e la matematica combinatoria.
Dai suoi contributi allo sviluppo della teoria di Ramsey e all'applicazione dei metodi probabilistici alla teoria stessa è nata una nuova branca dell'analisi combinatoria derivata in parte dalla teoria analitica dei numeri.
[12], Both of Erdős's parents were high school mathematics teachers, and Erdős received much of his early education from them.
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