例句與造句

1. A correspondence between transformation semigroups and semigroup actions is described below.
2. If we restrict it to faithful semigroup actions, it has nice properties.
3. Any transformation semigroup can be turned into a semigroup action by the following construction.
4. A transformation semigroup of a set has a tautological semigroup action on that set.
5. Furthermore, since a monoid is a semigroup, one can consider semigroup actions of monoids.
6. It's difficult to find semigroup action in a sentence. 用semigroup action造句挺難的
7. For any transformation semigroup S of X, define a semigroup action T of S on X as T ( s, x ) = s ( x ) for s \ in S, x \ in X.
8. Measurable sets invariant mod 0 under a flow or a semigroup action form the "'invariant subalgebra "'of ?, and the corresponding measure-preserving dynamical system is ergodic if the invariant subalgebra is the trivial " ? "-algebra consisting of the sets of measure 0 and their complements in " X ".