- In mathematics, the
Jacobsthal numbers are an
integer sequence named after the
German mathematician Ernst Jacobsthal. Like the
related Fibonacci numbers...
-
Jacobsthal is a surname.
Notable people with the
surname include:
Ernst Jacobsthal (1882–1965),
German mathematician Jacobsthal number, an
integer sequence...
- 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...
- mathematics,
Jacobsthal sums are
finite sums of
Legendre symbols related to
Gauss sums. They were
introduced by
Jacobsthal (1907). The
Jacobsthal sum is given...
-
Erich Jacobsthal (16
October 1882,
Berlin – 6
February 1965, Überlingen) was a
German mathematician, and
brother to the
archaeologist Paul
Jacobsthal. In...
- 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...
-
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...
- the
Fibonacci numbers,
Mersenne numbers, Pell numbers,
Lucas numbers,
Jacobsthal numbers, and a su****t of
Fermat numbers (see below).
Lucas sequences...
-
Jacobsthal in his 1944 book
Early Celtic Art. This
motif had been
previously termed the "fish-bladder" (German: Fischblasen) design.: 4
Jacobsthal wrote...
-
Early Celtic Art by Paul
Jacobsthal, The
Journal of
Roman Studies, Vol. 37,
Parts 1 and 2 (1947), pp. 191–198,
JSTOR Jacobsthal, Paul (1935), "Early Celtic...
