List of Notations
In some cases a page number is given where the term is first used or defined.
Number Systems
N the natural numbers
No the natural numbers with 0
Z the integers
Q the rational numbers
Q+ the non-negative rational numbers
R the real numbers
C the complex numbers
Urn the group of m-th roots of unity
Z(pOO) the group of all pn_th roots of 1, for n = 1,2, ...
Z/(n) or Zin the integers mod n 27
U(n) the group of units mod n 221
Fq the field of q elements 224
Zp the p-adic integers 315
Qp = Zp[p-lj the p-adic numbers 315
Set Theory
o the empty set xi, 1
IXI cardinal of the set X 2
Y'(X) power set (set of all subsets) of X 6
x\Y complement of Y in X xi
yX set of all mappings from X to Y 5
~o aleph-null, the cardinal of N 2
453
In some cases a page number is given where the term is first used or defined.
Number Systems
N the natural numbers
No the natural numbers with 0
Z the integers
Q the rational numbers
Q+ the non-negative rational numbers
R the real numbers
C the complex numbers
Urn the group of m-th roots of unity
Z(pOO) the group of all pn_th roots of 1, for n = 1,2, ...
Z/(n) or Zin the integers mod n 27
U(n) the group of units mod n 221
Fq the field of q elements 224
Zp the p-adic integers 315
Qp = Zp[p-lj the p-adic numbers 315
Set Theory
o the empty set xi, 1
IXI cardinal of the set X 2
Y'(X) power set (set of all subsets) of X 6
x\Y complement of Y in X xi
yX set of all mappings from X to Y 5
~o aleph-null, the cardinal of N 2
453
