- In mathematics,
specifically in
group theory, the
concept of a
semidirect product is a
generalization of a
direct product. It is
usually denoted with the...
-
Direct democracy or pure
democracy is a form of
democracy in
which the
electorate directly decides on
policy initiatives,
without elected representatives...
- (mathematics)
Direct product Cartesian product of sets
Direct product of
groups Semidirect product Product of
group subsets Wreath product Free
product Zappa–Szép...
-
automorphisms in a
uniform context. The
holomorph can be
described as a
semidirect product or as a
permutation group. If Aut ( G ) {\displaystyle \operatorname...
- Lie algebras), then g {\displaystyle {\mathfrak {g}}} is said to be a
semidirect product of i {\displaystyle {\mathfrak {i}}} and g / i {\displaystyle...
- n , F ) {\displaystyle \operatorname {GL} (n,F)} can be
written as a
semidirect product: GL ( n , F ) = SL ( n , F ) ⋊ F × {\displaystyle \operatorname...
- mean a
short exact sequence that right-splits (thus
corresponding to a
semidirect product) and some
people mean a
short exact sequence that left-splits...
- this is
written N ⊴ G {\displaystyle N\trianglelefteq G} . ⋉ ⋊ 1. Inner
semidirect product: if N and H are
subgroups of a
group G, such that N is a normal...
-
constructed from two subgroups. It is a
generalization of the
direct and
semidirect products. It is
named after Guido Zappa (1940) and Jenő Szép (1950) although...
- In
probability theory, a
Markov kernel (also
known as a
stochastic kernel or
probability kernel) is a map that in the
general theory of
Markov processes...
