Harvey Dubner (original) (raw)
Harvey Dubner (?, 14 juillet 1928 - New Jersey, 23 octobre 2019) est un mathématicien et ingénieur américain originaire du New Jersey, célèbre pour ses travaux sur les nombres premiers élevés.
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| dbo:abstract | Harvey Dubner (1928–2019) was an electrical engineer and mathematician who lived in New Jersey, noted for his contributions to finding large prime numbers. In 1984, he and his son Robert collaborated in developing the 'Dubner cruncher', a board which used a commercial finite impulse response filter chip to speed up dramatically the multiplication of medium-sized multi-precision numbers, to levels competitive with supercomputers of the time, though his focus later changed to efficient implementation of FFT-based algorithms on personal computers. He found many large prime numbers of special forms: repunits, Fibonacci primes, prime Lucas numbers, twin primes, Sophie Germain primes, Belphegor's prime, and primes in arithmetic progression. In 1993 he was responsible for more than half the known primes of more than two thousand digits. He also authored Dubner's conjecture. Harvey died on October 23, 2019. (en) Harvey Dubner (?, 14 juillet 1928 - New Jersey, 23 octobre 2019) est un mathématicien et ingénieur américain originaire du New Jersey, célèbre pour ses travaux sur les nombres premiers élevés. (fr) Harvey Dubner (14 luglio 1928 – 23 ottobre 2019) è stato un ingegnere e matematico statunitense conosciuto in particolar modo per il suo importante contributo alla ricerca di numeri primi molto grandi. (it) |
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| rdfs:comment | Harvey Dubner (?, 14 juillet 1928 - New Jersey, 23 octobre 2019) est un mathématicien et ingénieur américain originaire du New Jersey, célèbre pour ses travaux sur les nombres premiers élevés. (fr) Harvey Dubner (14 luglio 1928 – 23 ottobre 2019) è stato un ingegnere e matematico statunitense conosciuto in particolar modo per il suo importante contributo alla ricerca di numeri primi molto grandi. (it) Harvey Dubner (1928–2019) was an electrical engineer and mathematician who lived in New Jersey, noted for his contributions to finding large prime numbers. In 1984, he and his son Robert collaborated in developing the 'Dubner cruncher', a board which used a commercial finite impulse response filter chip to speed up dramatically the multiplication of medium-sized multi-precision numbers, to levels competitive with supercomputers of the time, though his focus later changed to efficient implementation of FFT-based algorithms on personal computers. He also authored Dubner's conjecture. (en) |
| rdfs:label | Harvey Dubner (es) Harvey Dubner (fr) Harvey Dubner (en) Harvey Dubner (it) |
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