-
Jacobsthal is a surname.
Notable people with the
surname include:
Ernst Jacobsthal (1882–1965),
German mathematician Jacobsthal number, an
integer sequence...
- In mathematics, the
Jacobsthal numbers are an
integer sequence named after the
German mathematician Ernst Jacobsthal. Like the
related Fibonacci numbers...
- Paul
Jacobsthal (23
February 1880 in
Berlin – 27
October 1957 in Oxford) was a
scholar of Gr**** vase
painting and
Celtic art. He
wrote his dissertation...
- prime, an
irregular prime, a
prime that is one more than a square, and a
Jacobsthal–Lucas number. Four-fold 257 is 1028,
which is the
prime index of the fifth...
-
Erich Jacobsthal (16
October 1882,
Berlin – 6
February 1965, Überlingen) was a
German mathematician, and
brother to the
archaeologist Paul
Jacobsthal. In...
- mathematics,
Jacobsthal sums are
finite sums of
Legendre symbols related to
Gauss sums. They were
introduced by
Jacobsthal (1907). The
Jacobsthal sum is given...
-
Hence χ(0) = 0, χ(1) = χ(2) = χ(4) = 1, and χ(3) = χ(5) = χ(6) = −1. The
Jacobsthal matrix Q for GF(q) is the q × q
matrix with rows and
columns indexed by...
- 2^{2^{n}}+1} with n = 2 {\displaystyle n=2} . On the
other hand, the
seventeenth Jacobsthal–Lucas
number — that is part of a
sequence which includes four
Fermat primes...
-
Gustav Jacobsthal - Der
Codex Montpellier.
Beschreibung und Untersuchung, only online: musiconn.publish,
retrieved 13
March 2021
Gustav Jacobsthal - Die...
- the
Fibonacci numbers,
Mersenne numbers, Pell numbers,
Lucas numbers,
Jacobsthal numbers, and a su****t of
Fermat numbers (see below).
Lucas sequences...
