one-parameter semigroup

one-parameter semigroup

[¦wən pə¦ram·əd·ər ′sem·i‚grüp]
(mathematics)
A semigroup with which there is associated a bijective mapping from the positive real numbers onto the semigroup.
References in periodicals archive ?
Nagel, One-parameter semigroups for linear evolution equations, Grad.
Taking into account the relation between two-parameter (nonlinear) semi-flows and one-parameter semigroups (see the example above) we consider in the next a three-parameter (nonlinear) semiflow to approach and extend some well-known theorems given in the case of two-parameter evolution families.