A surname from German.

A surname

(computing) A computer that implements the von Neumann architecture. / (science fiction) Any machine that is capable of self-replication.

(quantum mechanics) The entropy of a quantum state. If the state is expressed as a quantum density matrix 𝜌, then this entropy can be expressed mathematically as S=-tr(𝜌 log 𝜌) where tr is the trace operator and the logarithm is natural.

(science fiction) A von Neumann machine, or machine capable of self-replication, that is sent on interstellar voyages to investigate or terraform.

plural of von Neumann machine

plural of von Neumann probe

(computing) A computer architecture that uses the same buses to access both program instructions and data to be operated on.

plural of von Neumann architecture